WO2017114284A1 - 一种终端的切换方法和控制器、终端、基站以及*** - Google Patents

一种终端的切换方法和控制器、终端、基站以及*** Download PDF

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Publication number
WO2017114284A1
WO2017114284A1 PCT/CN2016/111507 CN2016111507W WO2017114284A1 WO 2017114284 A1 WO2017114284 A1 WO 2017114284A1 CN 2016111507 W CN2016111507 W CN 2016111507W WO 2017114284 A1 WO2017114284 A1 WO 2017114284A1
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Prior art keywords
base station
terminal
controller
measurement
sent
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PCT/CN2016/111507
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English (en)
French (fr)
Inventor
黄亚达
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP16881073.7A priority Critical patent/EP3389308A4/en
Priority to JP2018534745A priority patent/JP6587752B2/ja
Publication of WO2017114284A1 publication Critical patent/WO2017114284A1/zh
Priority to US16/024,430 priority patent/US10638390B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/02—Buffering or recovering information during reselection ; Modification of the traffic flow during hand-off
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/34—Reselection control
    • H04W36/38—Reselection control by fixed network equipment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/02—Buffering or recovering information during reselection ; Modification of the traffic flow during hand-off
    • H04W36/026—Multicasting of data during hand-off
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/12—Access point controller devices

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a terminal handover method, a controller, a terminal, a base station, and a system.
  • MIMO Multiple Name Multiple Output
  • ultra-dense network deployment A large number of MIMO antennas refer to the use of a large number of antennas at the base station, and the performance of MIMO can easily lead to system capacity saturation due to space limitations.
  • the deployment cost of micro base stations in ultra-dense networks is smaller than that of macro base stations, and the best connection can be achieved through intelligent switching. At a long distance, only the micro base station needs to be deployed, instead of deploying a macro base station with many antennas.
  • the micro base station supports multiple radio technologies at the same time, but the handover performance of the micro base station is not as good as that of the macro base station, especially in the mobile network where the macro base station and the micro base station are deployed together, and the mobility of the user equipment (English name: User Equipment, English abbreviation: UE) Management is more complicated.
  • the handover performance of the micro base station is not as good as that of the macro base station, especially in the mobile network where the macro base station and the micro base station are deployed together, and the mobility of the user equipment (English name: User Equipment, English abbreviation: UE) Management is more complicated.
  • UE User Equipment
  • the control plane can be divided into five processes: measurement process, measurement reporting, handover preparation, handover command, and handover completion.
  • the handover command and the handover completion the terminal air interface is switched from the source base station to the new target base station, and the air interface data transmission is interrupted. Therefore, it is necessary to perform handover optimization to reduce the control plane handover delay and the interruption of the user plane data.
  • the completion of the handover needs to complete the foregoing five processes on the control plane, and in the handover command and the handover completion process, the terminal disconnects the source cell connection from the target cell, so the data transmission is interrupted during this process. .
  • a handover optimization method is to adopt a pre-handover method. Compared with the foregoing normal handover, a handover preparation process is performed on a possible target cell before handover. After the actual measurement report triggers the handover, the handover preparation process may not be performed. The source cell directly sends the handover command of the pre-prepared handover cell to the terminal. Therefore, the control plane delay is shortened during the handover process, but the terminal still needs to disconnect the source cell and then connect to the target cell, so the data transmission is interrupted during the handover. Still exist.
  • the network initiated handover process is changed to the terminal initiated handover process, so in the control plane process, when the terminal decides When the handover is performed, the handover process is completed by the terminal directly switching to the target cell prepared in advance. Since the user plane data needs to be forwarded from the source cell to the target cell, there is also a data interruption in this method. Only after the terminal handover is completed, the target cell requests the data stream to be forwarded to the source cell or the data forwarding node, and the data is interrupted until the data flows. It is restored after being sent to the target cell.
  • the following handover optimization method exists in the prior art: a multi-connection is established through a terminal and multiple cells, and when the terminal accesses the target cell, the connection with the source cell is not disconnected first. Therefore, the terminal can continue to communicate with the source cell before completing the connection with the target cell, until the subsequent data is gradually transmitted to the target cell, and the problem of data interruption can be completely eliminated by the method.
  • the terminal still needs to identify the target cell as early as possible, and adds it to the multi-connection cell set through signaling, and needs to continue the set. Updates are made to allow multiple connected cells to be used for multi-connection transmission at any time.
  • a high-density cell is deployed, there may be several or even dozens of cells around the terminal. Therefore, this prior art has a problem that the cell management and maintenance cost is relatively high.
  • the frequent cell addition and deletion process does not cause dropped calls, but it has a great influence on the effective transmission rate. From the user's point of view, the signal is always good, but the transmission rate is suddenly large and small, and the data transmission efficiency is very low.
  • the embodiment of the invention provides a method for switching a terminal, a controller, a terminal, a base station and a system, which are used for completing handover of the terminal without interruption of data transmission, and the data transmission efficiency is high.
  • the embodiment of the present invention provides the following technical solutions:
  • an embodiment of the present invention provides a method for switching a terminal, including:
  • the controller sends the wireless identifier and the control channel resource of the terminal configured by the controller to the terminal;
  • the controller When the terminal is in the coverage area of the first base station, the controller sends the wireless identifier of the terminal and the control channel resource to the first base station;
  • the controller Determining, by the controller, that the terminal is in a coverage area of the second base station, and then the controller sends the radio identifier of the terminal and the control channel resource to the second base station, so as to pass the control channel resource. Control signaling respectively sent from the first base station and the second base station is received by the terminal.
  • the controller allocates terminal identifiers and control channel resources that the terminal can use at the first base station and the second base station to which the terminal is switched, and controls the terminal when the terminal is in the coverage area of the first base station.
  • the device sends the radio identifier and the control channel resource that are configured to the terminal to the first base station, and the controller determines that the terminal is in the coverage area of the second base station, and the controller sends the radio identifier and the control channel resource that are configured to the terminal to the second base station.
  • the terminal when the terminal moves between the base stations such as the first base station and the second base station, the terminal can always use the wireless identity and control channel resources configured by the controller, without re-configuring, and can save reconfiguration signaling, and the terminal is in the second
  • the data transmission in the process of switching from one base station to the second base station is not interrupted, and the data transmission efficiency is high.
  • the controller by using the controller, the wireless identifier of the terminal configured by the controller and the control channel resource,
  • the terminal initially accesses the base station, and the terminal can forward the wireless identifier and the control channel resource of the terminal, and the terminal acquires the wireless identifier and the control channel resource of the terminal by using the initially accessed base station.
  • the terminal moves between the base stations such as the first base station and the second base station, the terminal can always use the wireless identity and control channel resources configured by the controller, without re-configuration, and the reconfiguration signaling can be saved.
  • the controller determines that the terminal is in a coverage area of the second base station, including:
  • the controller receives a measurement report from the terminal forwarded by the base station, where the measurement report from the terminal is that the terminal performs channel measurement according to the measurement configuration information provided by the controller, and the terminal determines the When the wireless signal measurement between the second base station and the terminal meets the preset first channel condition, the controller sends, according to the measurement report sent by the terminal, the terminal is determined to be in the second base station. Coverage area; or,
  • a first measurement report sent by the base station where the first measurement report sent by the base station is that the base station determines, according to the measurement result sent by the terminal, a wireless signal between the base station and the terminal.
  • the measurement result that is sent when the measurement quantity meets the preset second channel condition, and the measurement result sent by the terminal is generated after the terminal performs channel measurement according to the measurement configuration information provided by the controller, and the controller is configured according to the base station.
  • the transmitted measurement report determines that the terminal is in a coverage area of the second base station; or
  • the controller receives the measurement result sent by the base station, and the measurement result sent by the base station is generated after the base station performs channel measurement on the position tracking signal sent by the terminal, and the controller sends the signal according to the base station.
  • the measurement result determines that the wireless signal measurement quantity between the second base station and the terminal meets a preset third channel condition, and the controller determines that the terminal is in a coverage area of the second base station; or
  • the controller receives a second measurement report sent by the base station, and the second measurement report sent by the base station is that the base station performs channel measurement on the location tracking signal sent by the terminal, and determines the base station and the terminal.
  • the controller sends the radio channel measurement quantity to the preset fourth channel condition, and the controller determines, according to the measurement report sent by the base station, that the terminal is in the coverage area of the second base station;
  • the base station is: the first base station and/or the second base station.
  • the controller may determine that the terminal is in the coverage area of the second base station in a plurality of feasible manners.
  • the terminal may send the measurement report generated by the terminal to the controller through the base station.
  • the measurement report generated by the base station may be sent by the base station to the controller.
  • the controller determines that the terminal is in the coverage area of the second base station according to the foregoing measurement report, or the controller may determine that the terminal is in the coverage area of the second base station.
  • the method further includes:
  • the controller receives data transmission status information sent by the gateway, where the data transmission status information includes at least one of the following: a data transmission status between the gateway and the first base station, Determining a data transmission status between the gateway and the second base station;
  • the controller determines that the data transmission status between the gateway and the first base station does not meet the preset transmission condition, the controller sends a teardown instruction to the gateway or the first base station, where The gateway or the first base station tears down a transmission channel between the gateway and the first base station.
  • the controller sends a channel removal command to the gateway or the first base station, and the gateway or the first base station removes the transmission channel between the gateway and the first base station, and the data is improved by removing the idle transmission channel. Transmission efficiency.
  • control function of the controller is Said first base station performs; or,
  • the control function of the controller is performed by the first base station, and when the terminal is in the coverage area of the second base station, by the second The base station performs the control functions of the controller.
  • the controller may be implemented in multiple manners, and may be implemented by the first base station, and the controller may also be implemented in a distributed manner, and the first base station and the first base station may be implemented as the terminal continuously moves.
  • the two base stations respectively perform the control functions of the controller, and the deployment of the controller is very flexible.
  • the embodiment of the present invention further provides a method for switching a terminal, including:
  • the terminal Receiving, by the terminal, the control signaling sent by the base station according to the control channel resource, where the base station is: the first base station and/or the second base station;
  • the terminal transmits data on the shared channel according to the control signaling, where the shared channel is a transport channel configured between the base station and the terminal.
  • the controller allocates, for the terminal, the terminal identifier and the control channel resource that the terminal can use in the first base station and the second base station to which the terminal is switched.
  • the controller determines that the terminal is in the coverage area of the second base station, and the controller sends the wireless identity and control channel resources allocated to the terminal to the second base station.
  • the terminal when the terminal moves between the base stations such as the first base station and the second base station, the terminal can always use the wireless identity and control channel resources configured by the controller, without re-configuring, and can save reconfiguration signaling, and the terminal is in the second One base station switches to the second The data transmission in the process of the base station is not interrupted, and the data transmission efficiency is high.
  • the method further includes:
  • the terminal performs channel measurement according to the measurement configuration information provided by the controller, and determines, according to the generated measurement result, whether the wireless signal measurement quantity between the second base station and the terminal satisfies a preset first channel condition, when When the wireless signal measurement quantity between the second base station and the terminal meets a preset first channel condition, the terminal sends a measurement report to the controller by using the base station; or
  • the terminal performs channel measurement according to the measurement configuration information provided by the controller, and sends the measurement result generated by the terminal to the base station;
  • the terminal transmits a location tracking signal according to signal configuration information provided by the controller.
  • the controller may determine that the terminal is in the coverage area of the second base station in a plurality of feasible manners.
  • the terminal may send the measurement report generated by the terminal to the controller through the base station.
  • the measurement report generated by the base station may be sent by the base station to the controller.
  • the controller determines that the terminal is in the coverage area of the second base station according to the foregoing measurement report, or the controller may determine that the terminal is in the coverage area of the second base station.
  • the terminal transmits data on the shared channel according to the control signaling, including:
  • the terminal sends uplink data to the first base station and/or the second base station on the shared channel.
  • the terminal may perform data transmission by the first base station and the second base station, where the data transmission may refer to uplink transmission and downlink transmission, and the data transmission efficiency may be improved.
  • control function of the controller is performed by the first base station;
  • the control function of the controller is performed by the first base station, and when the terminal is in the coverage area of the second base station, by the second The base station performs the control functions of the controller.
  • the controller may be implemented in multiple manners, and may be implemented by the first base station, and the controller may also be implemented in a distributed manner, and the first base station and the first base station may be implemented as the terminal continuously moves.
  • the two base stations respectively perform the control functions of the controller, and the deployment of the controller is very flexible.
  • the embodiment of the present invention further provides a method for switching a terminal, including:
  • the base station Receiving, by the base station, a wireless identifier of the terminal and a control channel resource configured by the controller, where the base station is: the first base station and/or the second base station;
  • the base station sends control signaling to the terminal by using the control channel resource
  • the base station transmits data through a shared channel between the base station and the terminal.
  • the controller allocates, for the terminal, the terminal identifier and the control channel resource that the terminal can use in the first base station and the second base station to which the terminal is switched.
  • the controller determines that the terminal is in the coverage area of the second base station, and the controller sends the wireless identity and control channel resources allocated to the terminal to the second base station.
  • the terminal when the terminal moves between the base stations such as the first base station and the second base station, the terminal can always use the wireless identity and control channel resources configured by the controller, without re-configuring, and can save reconfiguration signaling, and the terminal is in the second
  • the data transmission in the process of switching from one base station to the second base station is not interrupted, and the data transmission efficiency is high.
  • the method further includes:
  • the base station receives the measurement result sent by the terminal, and the measurement result sent by the terminal is generated after the terminal performs channel measurement according to the measurement configuration information provided by the controller, and the base station determines, according to the measurement result, Sending a measurement report to the controller when the wireless signal measurement between the base station and the terminal satisfies a preset second channel condition; or
  • the base station performs channel measurement on the location tracking signal sent by the terminal to generate a measurement result, and sends the measurement result generated by the base station to the controller;
  • the base station performs channel measurement on the location tracking signal sent by the terminal, and the base station determines that the wireless channel measurement quantity between the base station and the terminal satisfies a preset fourth channel condition, the base station The controller sends the measurement report generated by the base station.
  • the controller may determine that the terminal is in the coverage area of the second base station in multiple feasible manners.
  • the terminal may pass the measurement report generated by the terminal.
  • the base station sends the measurement report to the controller, and the base station sends the measurement report generated by itself to the controller.
  • the controller determines that the terminal is in the coverage area of the second base station according to the foregoing measurement report, or the controller may determine that the terminal is in the first The coverage area of the two base stations.
  • the method further includes:
  • the base station When the base station is the first base station, performing, by the first base station, a control function of the controller; or
  • control function of the controller is performed by the first base station, and when the terminal is in a coverage area of the second base station, the first base station And transmitting, to the second base station, a control function move instruction, where the control function move instruction includes: a configuration context of the terminal.
  • the controller may be implemented in multiple manners, and may be implemented by the first base station, and the controller may also be implemented in a distributed manner, and the first base station and the first base station may be implemented as the terminal continuously moves.
  • the two base stations respectively perform the control functions of the controller, and the deployment of the controller is very flexible.
  • the embodiment of the present invention further provides a controller, including: a transceiver module and a terminal location determining module, where
  • the transceiver module is configured to send a wireless identifier and a control channel resource of the terminal configured by the controller to the terminal; when the terminal is in a coverage area of the first base station, the wireless identifier and the terminal of the terminal are Transmitting control channel resources to the first base station;
  • the terminal location determining module is configured to determine that the terminal is in a coverage area of the second base station
  • the transceiver module is further configured to send the wireless identifier of the terminal and the control channel resource to the second base station, so as to pass the control channel resource, from the first base station and the second base station The separately sent control signaling is received by the terminal.
  • the controller allocates terminal identifiers and control channel resources that the terminal can use at the first base station and the second base station to which the terminal is switched, and controls the terminal when the terminal is in the coverage area of the first base station.
  • the device sends the radio identifier and the control channel resource that are configured to the terminal to the first base station, and the controller determines that the terminal is in the coverage area of the second base station, and the controller sends the radio identifier and the control channel resource that are configured to the terminal to the second base station.
  • the terminal when the terminal moves between the base stations such as the first base station and the second base station, the terminal can always use the wireless identity and control channel resources configured by the controller, without re-configuring, and can save reconfiguration signaling, and the terminal is in the second One base station switches to the second The data transmission in the process of the base station is not interrupted, and the data transmission efficiency is high.
  • the transceiver module is configured to send the radio identifier of the terminal and the control channel resource to a base station that is initially accessed by the terminal. And transmitting, by the base station that is initially accessed, the wireless identifier of the terminal and the control channel resource to the terminal.
  • the terminal initially accesses the base station, and the terminal can forward the wireless identifier and the control channel resource of the terminal, and the terminal acquires the wireless identifier and the control channel resource of the terminal by using the initially accessed base station.
  • the terminal moves between the base stations such as the first base station and the second base station, the terminal can always use the wireless identity and control channel resources configured by the controller, without re-configuration, and the reconfiguration signaling can be saved.
  • the transceiver module is further configured to receive a measurement report from the terminal that is forwarded by the base station, where the measurement report from the terminal is the terminal Performing channel measurement according to the measurement configuration information provided by the controller, and determining, by the terminal, that the wireless signal measurement quantity between the second base station and the terminal meets a preset first channel condition, the terminal sends
  • the terminal location determining module is configured to determine, according to the measurement report sent by the terminal, that the terminal is in a coverage area of the second base station; or
  • the transceiver module is further configured to receive a first measurement report sent by the base station, where the first measurement report sent by the base station is that the base station determines, according to the measurement result sent by the terminal, the base station and the terminal
  • the wireless signal measurement amount is transmitted when the preset second channel condition is met, and the measurement result sent by the terminal is generated by the terminal performing channel measurement according to the measurement configuration information provided by the controller, where the terminal location is a determining module, configured to determine, according to the measurement report sent by the base station, that the terminal is in a coverage area of the second base station; or
  • the transceiver module is further configured to receive a measurement result sent by the base station, where the measurement result sent by the base station is generated after the base station performs channel measurement on a position tracking signal sent by the terminal, where the terminal location determining module is configured. Specifically, it is determined that, according to the measurement result sent by the base station, that the wireless signal measurement quantity between the second base station and the terminal meets a preset third channel condition, the controller determines that the terminal is in the The coverage area of the second base station; or,
  • the transceiver module is further configured to receive a second measurement report sent by the base station, where the second measurement report sent by the base station is that the base station performs channel measurement on a position tracking signal sent by the terminal, and determines the base station.
  • the wireless channel measurement amount with the terminal satisfies a preset fourth channel condition
  • the terminal location determining module is configured to determine, according to the measurement report sent by the base station, that the terminal is in a coverage area of the second base station;
  • the base station is: the first base station and/or the second base station.
  • the controller may determine that the terminal is in the coverage area of the second base station in a plurality of feasible manners.
  • the terminal may send the measurement report generated by the terminal to the controller through the base station.
  • the measurement report generated by the base station may be sent by the base station to the controller.
  • the controller determines that the terminal is in the coverage area of the second base station according to the foregoing measurement report, or the controller may determine that the terminal is in the coverage area of the second base station.
  • the transceiver module is further configured to receive data transmission status information that is sent by the gateway, where the data transmission status information includes at least one of the following information. : a data transmission status between the gateway and the first base station, a data transmission status between the gateway and the second base station; when the controller determines between the gateway and the first base station Sending a teardown command to the gateway or the first base station when the data transmission state does not meet the preset transmission condition, and the gateway or the first base station removes between the gateway and the first base station Transmission channel.
  • the controller sends a channel removal command to the gateway or the first base station, and the gateway or the first base station removes the transmission channel between the gateway and the first base station, and the data is improved by removing the idle transmission channel. Transmission efficiency.
  • control function of the controller is Said first base station performs; or,
  • the control function of the controller is performed by the first base station, and when the terminal is in the coverage area of the second base station, by the second The base station performs the control functions of the controller.
  • the controller may be implemented in multiple manners, and may be implemented by the first base station, and the controller may also be implemented in a distributed manner, and the first base station and the first base station may be implemented as the terminal continuously moves.
  • the two base stations respectively perform the control functions of the controller, and the deployment of the controller is very flexible.
  • the embodiment of the present invention further provides a terminal, including: a transceiver module and a data transmission module, where
  • the transceiver module is configured to receive, by the controller, a wireless identifier of the terminal and the controller configuration a control channel resource; receiving control signaling sent by the base station according to the control channel resource, where the base station is: a first base station and/or a second base station;
  • the data transmission module is configured to transmit data on a shared channel according to the control signaling, where the shared channel is a transport channel configured between the base station and the terminal.
  • the controller allocates, for the terminal, the terminal identifier and the control channel resource that the terminal can use in the first base station and the second base station to which the terminal is switched.
  • the controller determines that the terminal is in the coverage area of the second base station, and the controller sends the wireless identity and control channel resources allocated to the terminal to the second base station.
  • the terminal when the terminal moves between the base stations such as the first base station and the second base station, the terminal can always use the wireless identity and control channel resources configured by the controller, without re-configuring, and can save reconfiguration signaling, and the terminal is in the second
  • the data transmission in the process of switching from one base station to the second base station is not interrupted, and the data transmission efficiency is high.
  • the terminal further includes: a measurement processing module, where
  • the measurement processing module is configured to perform channel measurement according to the measurement configuration information provided by the controller, and determine, according to the generated measurement result, whether the wireless signal measurement quantity between the second base station and the terminal satisfies a preset a channel condition, the transceiver module is further configured to send, by the base station, a measurement to the controller when a wireless signal measurement quantity between the second base station and the terminal meets a preset first channel condition Report; or,
  • the measurement processing module is configured to perform channel measurement according to the measurement configuration information provided by the controller, where the transceiver module is further configured to send the measurement result generated by the terminal to the base station; or
  • the transceiver module is further configured to send a location tracking signal according to the signal configuration information provided by the controller.
  • the controller may determine that the terminal is in the coverage area of the second base station in a plurality of feasible manners.
  • the terminal may send the measurement report generated by the terminal to the controller through the base station.
  • the measurement report generated by the base station may be sent by the base station to the controller.
  • the controller determines that the terminal is in the coverage area of the second base station according to the foregoing measurement report, or the controller may determine that the terminal is in the coverage area of the second base station.
  • the data transmission module is specifically configured to receive, by using the first base station and/or the second base station, the shared channel Downlink data; and/or transmitting uplink data to the first base station and/or the second base station on the shared channel.
  • the terminal may perform data transmission by the first base station and the second base station, where the data transmission may refer to uplink transmission and downlink transmission, and the data transmission efficiency may be improved.
  • control function of the controller is performed by the first base station;
  • the control function of the controller is performed by the first base station, and when the terminal is in the coverage area of the second base station, by the second The base station performs the control functions of the controller.
  • the controller may be implemented in multiple manners, and may be implemented by the first base station, and the controller may also be implemented in a distributed manner, and the first base station and the first base station may be implemented as the terminal continuously moves.
  • the two base stations respectively perform the control functions of the controller, and the deployment of the controller is very flexible.
  • the embodiment of the present invention further provides a base station, where the base station is specifically a first base station and/or a second base station, where the base station includes: a transceiver module and a data transmission module, where
  • the transceiver module is configured to receive, by the controller, a wireless identifier of the terminal and a control channel resource configured by the controller, and send the control signaling to the terminal by using the control channel resource;
  • the data transmission module is configured to transmit data by using a shared channel between the base station and the terminal.
  • the controller allocates, for the terminal, the terminal identifier and the control channel resource that the terminal can use in the first base station and the second base station to which the terminal is switched.
  • the controller determines that the terminal is in the coverage area of the second base station, and the controller sends the wireless identity and control channel resources allocated to the terminal to the second base station.
  • the terminal when the terminal moves between the base stations such as the first base station and the second base station, the terminal can always use the wireless identity and control channel resources configured by the controller, without re-configuring, and can save reconfiguration signaling, and the terminal is in the second
  • the data transmission in the process of switching from one base station to the second base station is not interrupted, and the data transmission efficiency is high.
  • the base station further includes: a channel measurement module and a determining module, where
  • the transceiver module is further configured to receive a measurement report sent by the terminal, and send the measurement by the terminal.
  • the quantity report is that the terminal performs channel measurement according to measurement configuration information provided by the controller, and determines that the wireless signal measurement quantity between the second base station and the terminal satisfies a preset first channel condition. Transmitting and forwarding the measurement report sent by the terminal to the controller; or
  • the transceiver module is further configured to receive a measurement result sent by the terminal, where the measurement result sent by the terminal is generated after the terminal performs channel measurement according to the measurement configuration information provided by the controller, and the determining module, And determining, according to the measurement result, that the wireless signal measurement quantity between the base station and the terminal meets a preset second channel condition, where the transceiver module is further configured to send a measurement report to the controller; or ,
  • the channel measurement module is configured to perform channel measurement on the location tracking signal sent by the terminal to generate a measurement result, where the transceiver module is further configured to send the measurement result generated by the base station to the controller;
  • the channel measurement module is further configured to perform channel measurement on a location tracking signal sent by the terminal, where the determining module is further configured to determine that a wireless channel measurement quantity between the base station and the terminal meets a preset The fourth channel condition, the transceiver module is further configured to send the measurement report generated by the base station to the controller.
  • the controller may determine that the terminal is in the coverage area of the second base station in a plurality of feasible manners.
  • the terminal may send the measurement report generated by the terminal to the controller through the base station.
  • the measurement report generated by the base station may be sent by the base station to the controller.
  • the controller determines that the terminal is in the coverage area of the second base station according to the foregoing measurement report, or the controller may determine that the terminal is in the coverage area of the second base station.
  • control function of the controller is performed by the first base station, and when the terminal is in a coverage area of the second base station, the first base station And transmitting, to the second base station, a control function move instruction, where the control function move instruction includes: a configuration context of the terminal.
  • the controller may be implemented in multiple manners, and may be implemented by the first base station, and the controller may also be implemented in a distributed manner, and the first base station and the first base station may be implemented as the terminal continuously moves.
  • the two base stations respectively perform the control functions of the controller, and the deployment of the controller is very flexible.
  • the embodiment of the present invention further provides a controller, including: a receiver, a transmitter, a processor, and a memory, where
  • the processor is configured to perform the handover method of the terminal described in the foregoing first aspect and various possible implementation manners.
  • the controller allocates terminal identifiers and control channel resources that the terminal can use at the first base station and the second base station to which the terminal is switched, and controls the terminal when the terminal is in the coverage area of the first base station.
  • the device sends the radio identifier and the control channel resource that are configured to the terminal to the first base station, and the controller determines that the terminal is in the coverage area of the second base station, and the controller sends the radio identifier and the control channel resource that are configured to the terminal to the second base station.
  • the terminal when the terminal moves between the base stations such as the first base station and the second base station, the terminal can always use the wireless identity and control channel resources configured by the controller, without re-configuring, and can save reconfiguration signaling, and the terminal is in the second
  • the data transmission in the process of switching from one base station to the second base station is not interrupted, and the data transmission efficiency is high.
  • an embodiment of the present invention further provides a terminal, including: a receiver, a transmitter, a processor, and a memory, where
  • the processor is configured to perform the handover method of the terminal described in the foregoing second aspect and various possible implementation manners.
  • the controller allocates, for the terminal, the terminal identifier and the control channel resource that the terminal can use in the first base station and the second base station to which the terminal is switched.
  • the controller determines that the terminal is in the coverage area of the second base station, and the controller sends the wireless identity and control channel resources allocated to the terminal to the second base station.
  • the terminal when the terminal moves between the base stations such as the first base station and the second base station, the terminal can always use the wireless identity and control channel resources configured by the controller, without re-configuring, and can save reconfiguration signaling, and the terminal is in the second
  • the data transmission in the process of switching from one base station to the second base station is not interrupted, and the data transmission efficiency is high.
  • the embodiment of the present invention further provides a base station, including: a receiver, a transmitter, a processor, and a memory, where
  • the processor is configured to perform the handover method of the terminal described in the foregoing third aspect and various possible implementation manners.
  • the controller allocates, to the terminal, the terminal that the terminal switches to at the first base station and the terminal.
  • the terminal identifier and the control channel resource that can be used by the second base station.
  • the controller sends the wireless identifier and the control channel resource configured to the terminal to the first base station, and the controller determines that the terminal is located.
  • the coverage area of the second base station the controller sends the wireless identity and control channel resources configured to the terminal to the second base station.
  • the terminal when the terminal moves between the base stations such as the first base station and the second base station, the terminal can always use the wireless identity and control channel resources configured by the controller, without re-configuring, and can save reconfiguration signaling, and the terminal is in the second
  • the data transmission in the process of switching from one base station to the second base station is not interrupted, and the data transmission efficiency is high.
  • an embodiment of the present invention further provides a system chip for terminal handover, including: a communication interface, a bus, a processor, and a memory, where the chip interacts with the outside through a communication interface, and the communication interface passes through a bus and The processor is in communication with a memory, the memory storing source code required for the terminal switching method, wherein
  • the processor is configured to invoke the code stored by the memory to perform the handover method of the terminal executed by the controller in the foregoing first aspect and various possible implementation manners.
  • an embodiment of the present invention further provides a system chip for terminal handover, including: a communication interface, a bus, a processor, and a memory, where the chip interacts with the outside through a communication interface, and the communication interface passes through the bus. Communicating with the processor and the memory, the memory storing source code required for the terminal switching method, wherein
  • the processor is configured to invoke the code stored by the memory to perform the handover method of the terminal executed by the terminal in the foregoing second aspect and various possible implementation manners.
  • an embodiment of the present invention further provides a system chip for terminal handover, including: a communication interface, a bus, a processor, and a memory, where the chip interacts with an external through a communication interface, and the communication interface passes through a bus. Communicating with the processor and the memory, the memory storing source code required for the terminal switching method, wherein
  • the processor is configured to invoke the code stored by the memory to perform a handover method of a terminal performed by a base station in the foregoing third aspect and various possible implementation manners.
  • the embodiment of the present invention further provides a computer program for performing the handover method of the terminal described in the foregoing first aspect and various possible implementation manners.
  • the embodiment of the present invention further provides a computer program for performing the handover method of the terminal described in the foregoing second aspect and various possible implementation manners.
  • the embodiment of the present invention further provides a computer program for performing the handover method of the terminal described in the foregoing third aspect and various possible implementation manners.
  • the embodiment of the present invention further provides a switching system for a terminal, comprising: the controller according to any one of the preceding aspects, the terminal according to any one of the foregoing fifth aspects, such as The base station according to any one of the preceding aspects, wherein the base station is: a first base station and/or a second base station
  • the embodiment of the present invention further provides a switching system for a terminal, comprising: the controller according to any one of the preceding clauses, the terminal according to any one of the foregoing eighth aspects, such as The base station according to any one of the preceding aspects, wherein the base station is: a first base station and/or a second base station.
  • FIG. 1 is a schematic structural diagram of a deployment architecture of a method for switching a terminal according to an embodiment of the present disclosure
  • FIG. 1 is a schematic diagram of another deployment architecture of a method for switching a terminal according to an embodiment of the present invention
  • FIG. 2 is a schematic block diagram of a method for switching a terminal according to an embodiment of the present invention
  • FIG. 3 is a schematic block diagram showing another method for switching a terminal according to an embodiment of the present invention.
  • FIG. 4 is a schematic block diagram showing another method for switching a terminal according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of an application scenario of a method for switching a terminal according to an embodiment of the present disclosure
  • FIG. 5-b is a schematic diagram of an application scenario of another method for switching a terminal according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a controller according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of another terminal according to an embodiment of the present disclosure.
  • FIG. 8-a is a schematic structural diagram of a base station according to an embodiment of the present disclosure.
  • FIG. 8-b is a schematic structural diagram of another base station according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram of another controller according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic structural diagram of another terminal according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic structural diagram of another base station according to an embodiment of the present disclosure.
  • FIG. 12 is a schematic structural diagram of another controller according to an embodiment of the present disclosure.
  • FIG. 13 is a schematic structural diagram of another terminal according to an embodiment of the present disclosure.
  • FIG. 14 is a schematic structural diagram of another base station according to an embodiment of the present disclosure.
  • FIG. 15 is a schematic structural diagram of a structure of a handover system of a terminal according to an embodiment of the present invention.
  • the embodiment of the invention provides a method for switching a terminal, a controller, a terminal, a base station and a system, which are used for completing handover of the terminal without interruption of data transmission, and the data transmission efficiency is high.
  • the handover method of the terminal provided by the embodiment of the present invention is mainly applied to a wireless communication system, including but not limited to an LTE system, a high-end long-term evolution (English term: Long Term Evolution-Advanced, LTE-A) system, and a wireless local area network.
  • a wireless communication system including but not limited to an LTE system, a high-end long-term evolution (English term: Long Term Evolution-Advanced, LTE-A) system, and a wireless local area network.
  • the base station provided by the embodiment of the present invention may be a second generation mobile communication (English name: 2G) base station, a third generation mobile communication (English name: 3G) base station, and a base station in an LTE system (English name: Evolved NodeB, English abbreviation) : eNB), home evolved base station (English name: Home evolved Node B, English abbreviation: HeNB), relay (English name: Relay), femto (English name: Femto) base station, Pico (English name: Pico) base station, access point in WIFI system (English name: Access Point, English abbreviation: AP), base station in 5G system.
  • 2G second generation mobile communication
  • 3G Third generation mobile communication
  • the terminal provided by the embodiment of the present invention is specifically a user equipment (English name: User Equipment, English abbreviation: UE), a client terminal device (English name: Customer Premise Equipment, English abbreviation: CPE), and a station in the WIFI system (English name: Station, English abbreviation: STA) and 5G terminal.
  • UE User Equipment
  • CPE Customer Premise Equipment
  • STA Station, English abbreviation: STA
  • FIG. 1 is a deployment manner of a handover method of a terminal according to an embodiment of the present invention.
  • FIG. 1 is a schematic diagram of another deployment architecture of a handover method of a terminal according to an embodiment of the present invention.
  • Figure 1 -a and Figure 1 -b show two typical deployment scenarios provided by the embodiment of the present invention.
  • a small base station is deployed under the coverage of a macro base station, and the terminal can be located between small base stations. Moving, at the same time, can receive the wireless signal of the macro base station.
  • the terminal directly communicates with the macro base station, and the macro base station directly sends control signaling to the terminal for configuring the radio resource parameters of the terminal.
  • the terminal and the plurality of small base stations establish a data connection, the terminal transmits and receives data through the data connection, and the macro base station and the small base station are connected through an interface.
  • FIG. 1-b and FIG. 1-a The difference between FIG. 1-b and FIG. 1-a is whether there is macro base station coverage.
  • control signaling and data connection are performed through the small base station.
  • the transmission can be sent by one or several small base stations.
  • the control signaling is managed and generated by a centralized controller and connected to multiple small base stations.
  • the control function of the centralized controller in Figure 1-a may be a macro base station. As part of the centralized controller, it can be set in the macro base station to implement a centralized controller through the control function of the macro base station.
  • the centralized controller in Figure 1-b is a separate controller. It should be noted that neither the gateway is shown in FIG. 1-a and FIG. 1-b. In the embodiment of the present invention, the gateway may be connected to the controller.
  • a method for switching a terminal according to an embodiment of the present invention is described in detail from the controller side, and the controller may perform the following steps:
  • the controller sends the wireless identifier and the control channel resource of the terminal configured by the controller to the terminal.
  • the terminal initially accesses the mobile network, for example, the terminal accesses the network through the air interface, and accesses the mobile network after the process of authentication, service request, and the like.
  • the controller allocates a resource pool to the terminal, and the resource pool includes one of the following contents: wireless identification information of the terminal, control channel resources, and the control channel.
  • Resources can be packaged Including: downlink control channel and / or signal resources, uplink control channel and / or signal resources.
  • the resource pool configured by the controller for the terminal may further include: cell configuration information.
  • the controller may configure cell configuration information of a plurality of base stations in the vicinity of the terminal.
  • the resource pool allocated by the controller for the terminal is valid in multiple base stations in the vicinity of the terminal, that is, the controller configures the resource pool information for the terminal, so the terminal It is not necessary to distinguish between the first base station or the second base station, and the terminal can use the resource pool configured by the controller.
  • the controller of step 201 sends the radio identifier and the control channel resource of the terminal configured by the controller to the terminal, and the method includes the following steps: the controller sends the radio identifier and the control channel resource of the terminal to the terminal.
  • the base station that accesses sends the wireless identity and control channel resources of the terminal to the terminal by the initially accessed base station.
  • the controller After the terminal initially accesses the mobile network, the controller sends the wireless identifier and the control channel resource of the terminal to the base station that the terminal initially accesses, and then the initially accessed base station sends the wireless identifier and the control channel resource of the terminal to the terminal.
  • the base station that the terminal initially accesses may be the first base station, or may be another base station where the terminal is located before the coverage area of the first base station. The specific implementation manner is not limited.
  • the wireless identity and control channel resources configured by the controller for the terminal are already configured to the terminal when the terminal initially accesses the mobile network, and when the terminal moves between multiple base stations or between cells
  • the resource pool includes the foregoing wireless identity and control channel resources without re-configuration, so that reconfiguration signaling can be saved, so that the terminal moves from one base station to another base station or from the base station.
  • a cell moves to another cell, it does not need to wait for a new configuration, and may be transparent or non-aware to the terminal.
  • the base station initially accessed by the terminal sends the wireless identity and control channel resources of the terminal to the terminal, regardless of whether No matter which base station the terminal switches to, there is no need to re-configure the resource pool.
  • the controller sends the wireless identifier of the terminal and the control channel resource to the first base station.
  • the controller when the terminal moves to the coverage area of the first base station, the controller sends the wireless identity and control channel resources configured by the controller and sent to the terminal to the first base station. For example, the controller acquires the wireless identity and control channel resources of the terminal allocated to the first base station from the resource pool and transmits to the first base station.
  • the controller and the gateway are connected, and the controller can obtain the transmission configuration information of the gateway.
  • the transmission configuration information may include: an Internet Protocol (English name: Internet Protocol) address of the gateway and a gateway.
  • the controller may further send the transmission configuration information of the gateway to the first base station, and the gateway and the first base station may establish a transmission channel between the gateway and the first base station, where the gateway and the first base station establish a transmission channel.
  • the process can refer to the prior art and will not be described here.
  • a transmission channel is established between the gateway and the first base station, and the first base station acquires the wireless identifier and the control channel resource of the terminal allocated by the controller, and the first base station may send the terminal to the terminal by using the foregoing control channel resource.
  • Control signaling which may be scheduling information of the shared channel, to instruct the terminal to transmit data on the shared channel.
  • the controller determines that the terminal is in a coverage area of the second base station, and then the controller sends the wireless identifier and the control channel resource of the terminal to the second base station, so as to be respectively sent from the first base station and the second base station by using control channel resources. Control signaling is received by the terminal.
  • the terminal can communicate with the gateway through the first base station, and the terminal can receive downlink data from the gateway by using the first base station, and the terminal can also send uplink data to the gateway by using the first base station. .
  • the terminal may move in the process of communicating with the gateway, for example, the terminal moves from the first base station to the second base station.
  • the controller first determines that the terminal enters the coverage area of the second base station. And then the controller sends the wireless identity and control channel resources configured by the controller and sent to the terminal to the second base station.
  • the controller acquires the wireless identity and control channel resources of the terminal allocated to the second base station from the resource pool and transmits to the first base station.
  • the control channel resources respectively sent by the controller to the first base station and the second base station are not conflicting, for example, the controller sends the first base station and the first
  • the control channel resources of the two base stations may be frequency division multiplexed.
  • the controller and the gateway establish a connection
  • the controller may acquire the transmission configuration information of the gateway
  • the controller may further send the transmission configuration information of the gateway to the second base station
  • the gateway and the second The base station can establish a transmission channel between the gateway and the second base station.
  • the process of establishing a transmission channel between the gateway and the second base station can be referred to the prior art, and details are not described herein again.
  • a transmission channel is established between the gateway and the second base station, and the second base station acquires control channel resources allocated by the controller, and the second base station may send control signaling to the terminal by using the control channel resource, where the control is performed.
  • the signaling may be scheduling information of the shared channel to instruct the terminal to transmit data on the shared channel.
  • the terminal moves from the first base station to the second base station, and since the terminal has received the wireless identity and control channel resources of the terminal from the controller at the initial access, the terminal The first base station moves to the second base station is non-aware, the controller can determine whether the terminal enters the coverage area of the second base station, and after the terminal enters the coverage area of the second base station, the controller can also trigger the gateway to establish the gateway and A transmission channel between the second base station, after the transmission channel is established, the terminal and the gateway can communicate with each other through the second base station.
  • the controller may be a single control device in the mobile network, and the controller is connected with the first base station and the second base station.
  • the controller may be deployed in FIG. 1-a.
  • the macro base station shown, or the controller can be the controller shown in Figure 1-b.
  • the control function of the controller may be performed by the first base station, that is, the wireless identity and control channel resources of the terminal may be transmitted by the first base station.
  • the controller may be a distributed controller, that is, the distributed controller may be deployed on the first base station or the second base station, specifically, when the terminal is in the coverage of the first base station.
  • the control function of the controller is performed by the first base station, and when the terminal is in the coverage area of the second base station, the control function of the controller is performed by the second base station.
  • the first base station may send a controller movement instruction to the second base station, where the controller movement instruction includes: a configuration context of the terminal.
  • the configuration context of the terminal may include: wireless identification information of the terminal and wireless configuration information of the terminal.
  • the configuration context of the terminal may be flexibly configured according to requirements in different implementation manners, which is not limited herein.
  • the second base station is a base station other than the first base station in a preset range of the location of the terminal, for example, the second base station may be a neighbor base station near the first base station, and second.
  • the base station may also be a surrounding base station determined according to the location of the terminal. Since the terminal always moves from the first base station where the terminal is located to the neighboring base station of the first base station when moving, the controller initially accesses the network at the terminal. When the configuration information of all the base stations to which the terminal may be handed over and the control channel resources that may be used by the base station are all configured to the terminal, the terminal can obtain the configuration of all the base stations near the location where the terminal is located and the resources used. Even if the terminal moves, switching from one base station to another, the terminal does not need to regain control channel resources.
  • the controller in the foregoing step 203 determines that the terminal is in the coverage area of the second base station, and may include the following steps:
  • the controller receives the measurement report from the terminal forwarded by the base station, and the measurement report from the terminal is that the terminal performs channel measurement according to the measurement configuration information provided by the controller, and the terminal determines the first When the measurement of the wireless signal between the two base stations and the terminal meets the preset first channel condition, the controller determines that the terminal is in the coverage area of the second base station according to the measurement report sent by the terminal; or
  • the controller receives the first measurement report sent by the base station, and the first measurement report sent by the base station is sent by the base station according to the measurement result sent by the terminal, and determines that the wireless signal measurement quantity between the base station and the terminal meets the preset second channel condition.
  • the measurement result sent by the terminal is generated after the terminal performs channel measurement according to the measurement configuration information provided by the controller, and the controller determines, according to the measurement report sent by the base station, that the terminal is in the coverage area of the second base station; or
  • the controller receives the measurement result sent by the base station, and the measurement result sent by the base station is generated by the base station performing channel measurement on the position tracking signal sent by the terminal, and the controller determines, according to the measurement result sent by the base station, between the second base station and the terminal.
  • the wireless signal measurement quantity satisfies a preset third channel condition, and the controller determines that the terminal is in a coverage area of the second base station; or
  • the controller receives the second measurement report sent by the base station, and the second measurement report sent by the base station is performed by the base station to perform channel measurement on the location tracking signal sent by the terminal, and determines that the wireless channel measurement quantity between the base station and the terminal satisfies the preset number.
  • the controller determines, according to the measurement report sent by the base station, that the terminal is in the coverage area of the second base station;
  • the base station is: a first base station and/or a second base station.
  • step A1, step A2, step A3, and step A4 determines that the terminal is in the coverage area of the second base station will be described in detail.
  • step A1 the controller provides measurement configuration information, and the terminal may perform channel measurement according to the measurement configuration information, and then the terminal determines a wireless signal measurement quantity between the second base station and the terminal, and determines between the second base station and the terminal. Whether the wireless signal measurement quantity satisfies a preset first channel condition, and when the first channel condition is met, the terminal sends a measurement report to the base station (ie, the first base station and/or the second base station), where the measurement report may specifically be: The quality indicator (English name: Channel Quality Indicator, CQI) measures the information, and the base station forwards the received measurement report to the controller.
  • the controller can determine that the terminal is in the coverage area of the second base station according to the measurement report sent by the terminal.
  • the specific configuration of the first channel condition can be implemented in combination with a specific application scenario, which is not limited herein.
  • step A2 the controller provides measurement configuration information, and the terminal may perform channel measurement according to the measurement configuration information, and then the terminal sends the measurement result to the base station (for example, may be the first base station and/or the second base station), and the base station receives the terminal.
  • the base station After transmitting the measurement result, the base station can The wireless signal measurement quantity is judged to determine whether the wireless signal measurement quantity between the base station and the terminal satisfies a preset second channel condition, for example, the first base station can measure the wireless signal between the first base station and the terminal. Judging, the second base station may also determine the wireless signal measurement amount between the second base station and the terminal.
  • the base station When the second channel condition is met, the base station sends a measurement report to the controller, and the controller may determine, according to the measurement report sent by the base station, that the terminal is in the coverage area of the second base station.
  • the specific configuration of the second channel condition can be implemented in combination with a specific application scenario, which is not limited herein.
  • the terminal sends a location tracking signal, which may be: a sounding reference signal (English name: Sounding Reference Signal, English abbreviation: SRS) or a discovery (English name: Discovery) signal.
  • the base station may perform channel measurement on the location tracking signal sent by the terminal and generate a measurement result, and then the base station sends the measurement result to the controller, and the controller determines the wireless signal measurement quantity between the second base station and the terminal according to the measurement result generated by the base station, Determining whether the wireless signal measurement quantity between the second base station and the terminal satisfies a preset third channel condition, and when the third channel condition is met, the controller determines that the terminal is in the coverage area of the second base station.
  • the specific configuration of the third channel condition can be implemented in combination with a specific application scenario, which is not limited herein.
  • step A4 the terminal sends a location tracking signal
  • the base station may perform channel measurement on the location tracking signal sent by the terminal and generate a measurement result
  • the base station determines the wireless signal measurement quantity between the base station and the terminal according to the measurement result, and determines that Whether the wireless signal measurement quantity between the base station and the terminal satisfies a preset fourth channel condition, for example, the first base station may determine the wireless signal measurement quantity between the first base station and the terminal, and the second base station may also The wireless signal measurement quantity between the two base stations and the terminal is judged.
  • the base station When the fourth channel condition is met, the base station sends a measurement report to the controller, and the controller may determine, according to the measurement report sent by the base station, that the terminal is in the coverage area of the second base station.
  • the specific configuration of the fourth channel condition can be implemented in combination with a specific application scenario, which is not limited herein.
  • the method for switching a terminal provided by the present invention may further include the following steps:
  • the controller receives data transmission status information sent by the gateway, where the data transmission status information includes at least one of the following: a data transmission status between the gateway and the first base station, and a data transmission status between the gateway and the second base station;
  • the controller determines that the data transmission status between the gateway and the first base station does not meet the preset transmission condition, the controller sends a teardown instruction to the gateway or the first base station, and the gateway or the first base station removes the gateway and the first base station.
  • the gateway and the terminal may simultaneously perform data transmission by using the first base station and the second base station.
  • the gateway may also report data transmission status information to the controller, where the data transmission status information may indicate current traffic and data transmission. Rate, data buffer size, etc., the controller can determine, according to the data transmission status information, which link data transmission status does not meet the preset transmission condition, for example, after the terminal switches from the first base station to the second base station, the terminal passes The amount of data transmission between the first base station and the gateway is reduced or there is no data transmission.
  • the controller goes to the gateway or The first base station sends a channel teardown command, and the gateway or the first base station removes the transmission channel between the gateway and the first base station, and the data transmission efficiency can be improved by removing the idle transmission channel.
  • the controller configures the wireless identifier and the control channel of the terminal, and then the controller sends the configured wireless identifier and the control channel of the terminal to the terminal.
  • the controller sends the radio identifier and the control channel resource of the terminal to the first base station, and the controller determines that the terminal is in the coverage area of the second base station, and then the controller sends the radio identifier and the control channel resource of the terminal to the second base station, so as to pass Control channel resources, control signaling respectively sent from the first base station and the second base station are received by the terminal.
  • the controller allocates, for the terminal, the terminal identifier and the control channel resource that the terminal can use in the first base station and the second base station to which the terminal is switched.
  • the controller determines that the terminal is in the coverage area of the second base station, and the controller sends the wireless identity and control channel resources allocated to the terminal to the second base station.
  • the terminal when the terminal moves between the base stations such as the first base station and the second base station, the terminal can always use the wireless identity and control channel resources configured by the controller, without re-configuring, and can save reconfiguration signaling, and the terminal is in the second
  • the data transmission in the process of switching from one base station to the second base station is not interrupted, and the data transmission efficiency is high.
  • the foregoing embodiment introduces the handover method of the terminal provided by the embodiment of the present invention from the controller side.
  • the method for switching the terminal provided by the embodiment of the present invention is introduced from the terminal side.
  • the terminal provided by the embodiment of the present invention is provided.
  • the switching method can include the following steps:
  • the terminal receives the wireless identification information of the terminal and the control channel resource configured by the controller from the controller.
  • the controller may allocate a resource pool to the terminal, and the controller sends the terminal to the terminal.
  • the wireless identification information of the terminal and the control channel resource configured by the controller may be a temporary identifier of the radio network of the terminal (English name: Cell Radio Network Temporary Identifier, CRNTI), and may be other identifiers of the terminal, which is not limited herein.
  • the controller may be a single control device in the mobile network, and the controller is connected with the first base station and the second base station.
  • the controller may be deployed in FIG. 1-a.
  • the macro base station shown, or the controller can be the controller shown in Figure 1-b.
  • the control function of the controller may be performed by the first base station, that is, the wireless identity and control channel resources of the terminal may be transmitted by the first base station.
  • the controller may be a distributed controller, that is, the distributed controller may be deployed on the first base station or the second base station, specifically, when the terminal is in the coverage of the first base station.
  • the control function of the controller is performed by the first base station, and when the terminal is in the coverage area of the second base station, the control function of the controller is performed by the second base station.
  • the first base station may send a controller movement instruction to the second base station, where the controller movement instruction includes: a configuration context of the terminal.
  • the configuration context of the terminal may include: wireless identification information of the terminal and wireless configuration information of the terminal.
  • the configuration context of the terminal may be flexibly configured according to requirements in different implementation manners, which is not limited herein.
  • the method for switching a terminal provided by the present invention may further include the following steps:
  • the C1 the terminal performs channel measurement according to the measurement configuration information provided by the controller, and determines, according to the generated measurement result, whether the wireless signal measurement quantity between the second base station and the terminal satisfies a preset first channel condition, when the second base station and the terminal When the amount of wireless signal measurement meets the preset first channel condition, the terminal sends a measurement report to the controller through the base station; or
  • the terminal performs channel measurement according to the measurement configuration information provided by the controller, and sends the measurement result generated by the terminal to the base station;
  • the terminal sends a position tracking signal according to the signal configuration information provided by the controller.
  • step C1 the controller provides measurement configuration information, and the terminal may perform the measurement according to the measurement.
  • the information is used for channel measurement, and then the terminal judges the wireless signal measurement quantity between the second base station and the terminal, and determines whether the wireless signal measurement quantity between the second base station and the terminal satisfies the preset first channel condition, when satisfied In the first channel condition, the terminal sends a measurement report to the base station (ie, the first base station and/or the second base station), where the measurement report may be: CQI measurement information, and the base station forwards the received measurement report to the controller.
  • the base station ie, the first base station and/or the second base station
  • step C2 the controller provides measurement configuration information, the terminal may perform channel measurement according to the measurement configuration information, and then the terminal transmits the measurement result to the base station (for example, may be the first base station and/or the second base station).
  • the base station for example, may be the first base station and/or the second base station.
  • the controller provides the signal configuration information, and the terminal may send the location tracking signal, where the location tracking signal may be: an SRS or a Discovery number.
  • the terminal receives, according to the control channel resource, a control signal sent by the base station, where the base station is: the first base station and/or the second base station.
  • the gateway when the terminal is in the coverage area of the first base station, the gateway establishes a transmission channel between the gateway and the first base station.
  • the controller determines that the terminal enters the After the coverage area of the two base stations, the gateway can establish a transmission channel between the gateway and the second base station.
  • Both the first base station and the second base station can use the control channel resources allocated by the controller from the resource pool to send control signaling, and only need to ensure that the control channel resources used by the two base stations do not conflict, and implement two base stations to the terminal.
  • the controllers assigned to the first base station and the second base station may be different control channel resources, so there is no conflict of control channel resources.
  • the subsequent step 303 is performed.
  • the terminal transmits data on the shared channel according to the control signaling, where the shared channel is a transport channel configured between the base station and the terminal.
  • the terminal may obtain the scheduling information of the shared channel between the base station and the terminal from the base station according to the control signaling, and the terminal may use the shared channel between the base station and the terminal for data transmission.
  • the terminal transmits data on the shared channel according to the control signaling in step 303, and specifically includes the following steps:
  • the terminal receives downlink data sent by the first base station and/or the second base station on the shared channel; and/or,
  • the terminal sends uplink data to the first base station and/or the second base station on the shared channel.
  • the transmission data in the embodiment of the present invention may refer to that the terminal receives downlink data, and the terminal Transmitting at least one of the uplink data, the specific implementation depends on which base station sends the control signaling and the resource scheduling indicated by the control signaling.
  • the controller allocates terminal identifiers and control channel resources that the terminal can use in the first base station and the second base station to which the terminal is switched, when the terminal is in the first
  • the controller sends the radio identifier and the control channel resource that are configured to the terminal to the first base station, and the controller determines that the terminal is in the coverage area of the second base station, and the controller configures the wireless identifier and the control channel to the terminal.
  • the resources are also sent to the second base station.
  • the terminal when the terminal moves between the base stations such as the first base station and the second base station, the terminal can always use the wireless identity and control channel resources configured by the controller, without re-configuring, and can save reconfiguration signaling, and the terminal is in the second
  • the data transmission in the process of switching from one base station to the second base station is not interrupted, and the data transmission efficiency is high.
  • the foregoing embodiment introduces the handover method of the terminal provided by the embodiment of the present invention from the controller side and the terminal side, and then introduces the handover method of the terminal provided by the embodiment of the present invention from the base station side where the terminal is located, as shown in FIG.
  • the method for switching a terminal provided by the embodiment of the invention may include the following steps:
  • the base station receives, by the controller, a wireless identifier of the terminal and a control channel resource configured by the controller, where the base station is: the first base station and/or the second base station.
  • the controller may allocate a resource pool to the terminal, and the controller sends the wireless identification information of the terminal and the control channel resource that the controller configures to the terminal.
  • the controller may send the wireless identity information of the terminal and the control channel resource configured by the controller to the first base station.
  • the controller may send the wireless identity information of the terminal and the control channel resource configured by the controller to the second base station.
  • the controller and the gateway are connected, and the controller can obtain the transmission configuration information of the gateway.
  • the transmission configuration information may include: an IP address of the gateway and tunnel information of the gateway, and the controller sends the transmission configuration information of the gateway to the first base station.
  • the gateway can establish a transmission channel between the gateway and the first base station.
  • the process of establishing a transmission channel by the gateway can refer to the prior art, and details are not described herein again.
  • the controller may also send the transmission configuration information of the gateway to the second base station, and the gateway may establish a transmission channel between the gateway and the second base station.
  • the method for switching a terminal provided by the present invention may further include the following steps:
  • the base station receives the measurement report sent by the terminal, and the measurement report sent by the terminal is the terminal according to the control.
  • the measurement configuration information provided by the device performs channel measurement and determines that the wireless signal measurement quantity between the second base station and the terminal satisfies the preset first channel condition, and forwards the measurement report sent by the terminal to the controller; or
  • the base station receives the measurement result sent by the terminal, and the measurement result sent by the terminal is generated after the terminal performs channel measurement according to the measurement configuration information provided by the controller, and the base station determines, according to the measurement result, that the wireless signal measurement quantity between the base station and the terminal satisfies the pre- Sending a measurement report to the controller when the second channel condition is set; or
  • the base station performs channel measurement on the position tracking signal sent by the terminal, generates a measurement result, and sends the measurement result generated by the base station to the controller; or
  • the base station performs channel measurement on the location tracking signal sent by the terminal, and when the base station determines that the wireless channel measurement quantity between the base station and the terminal satisfies the preset fourth channel condition, the base station sends the measurement report generated by the base station to the controller.
  • step E1 step E2, step E3, and step E4 determines that the terminal is in the coverage area of the second base station will be described in detail.
  • step E1 the controller provides measurement configuration information, and the terminal may perform channel measurement according to the measurement configuration information, and then the terminal determines the wireless signal measurement quantity between the second base station and the terminal, and determines between the second base station and the terminal. Whether the wireless signal measurement quantity satisfies a preset first channel condition, and when the first channel condition is met, the terminal sends a measurement report to the base station (ie, the first base station and/or the second base station), and the base station receives the received measurement report again. Forward to the controller.
  • the base station ie, the first base station and/or the second base station
  • the controller provides measurement configuration information, and the terminal may perform channel measurement according to the measurement configuration information, and then the terminal sends the measurement result to the base station (for example, may be the first base station and/or the second base station), and the base station receives the terminal.
  • the base station may determine the wireless signal measurement quantity between the base station and the terminal, and determine whether the wireless signal measurement quantity between the base station and the terminal satisfies a preset second channel condition, for example, the first base station may The wireless signal measurement quantity between the first base station and the terminal is determined, and the second base station may also determine the wireless signal measurement quantity between the second base station and the terminal.
  • the base station transmits a measurement report to the controller when the second channel condition is met.
  • step E3 the terminal sends a location tracking signal, and the base station may perform channel measurement on the location tracking signal sent by the terminal and generate a measurement result, and then the base station sends the measurement result to the controller.
  • the specific configuration of the third channel condition can be implemented in combination with a specific application scenario, which is not limited herein.
  • step E4 the terminal sends a location tracking signal, and the base station can track the location sent by the terminal.
  • the signal performs channel measurement and generates a measurement result, and then the base station determines a wireless signal measurement quantity between the base station and the terminal according to the measurement result, and determines whether the wireless signal measurement quantity between the base station and the terminal satisfies a preset fourth channel.
  • the first base station may determine the wireless signal measurement quantity between the first base station and the terminal, and the second base station may also determine the wireless signal measurement quantity between the second base station and the terminal.
  • the base station transmits a measurement report to the controller when the fourth channel condition is met.
  • the specific configuration of the fourth channel condition can be implemented in combination with a specific application scenario, which is not limited herein.
  • the base station sends control signaling to the terminal by using control channel resources.
  • the base station may send control signaling to the terminal by using the control channel resource, where the control signaling may be scheduling information of the shared channel, Instruct the terminal to transmit data on the shared channel.
  • the base station transmits data by using a shared channel between the base station and the terminal.
  • the base station and the terminal are configured to have a shared channel, where the shared channel is used to transmit data, and the data to be transmitted in the embodiment of the present invention may be at least one of receiving downlink data and transmitting uplink data by the terminal. Implementation depends on the control signaling sent by the base station.
  • the control function of the controller when the base station is the first base station, the control function of the controller is performed by the first base station; or when the terminal is in the coverage area of the first base station, the control of the controller is performed by the first base station.
  • the function when the terminal is in the coverage area of the second base station, the first base station sends a control function movement instruction to the second base station, where the control function movement instruction includes: a configuration context of the terminal.
  • the controller may be a single control device in the mobile network, and the controller is connected with the first base station and the second base station.
  • the controller may be deployed in FIG. 1-a.
  • the macro base station shown, or the controller can be the controller shown in Figure 1-b.
  • the control function of the controller may be performed by the first base station, that is, the wireless identity and control channel resources of the terminal may be transmitted by the first base station.
  • the controller may be a distributed controller, that is, the distributed controller may be deployed on the first base station or the second base station, specifically, when the terminal is in the coverage of the first base station.
  • the control function of the controller is performed by the first base station, and when the terminal is in the coverage area of the second base station, the control function of the controller is performed by the second base station.
  • the first base station may send a controller movement instruction to the second base station, where the controller movement instruction includes: a configuration context of the terminal.
  • the configuration of the terminal The text may include: the wireless identification information of the terminal and the wireless configuration information of the terminal.
  • the configuration context of the terminal may be flexibly configured according to requirements in different implementation manners, which is not limited herein.
  • the controller allocates terminal identifiers and control channel resources that the terminal can use in the first base station and the second base station to which the terminal is switched, when the terminal is in the first
  • the controller sends the radio identifier and the control channel resource that are configured to the terminal to the first base station, and the controller determines that the terminal is in the coverage area of the second base station, and the controller configures the wireless identifier and the control channel to the terminal.
  • the resources are also sent to the second base station.
  • the terminal when the terminal moves between the base stations such as the first base station and the second base station, the terminal can always use the wireless identity and control channel resources configured by the controller, without re-configuring, and can save reconfiguration signaling, and the terminal is in the second
  • the data transmission in the process of switching from one base station to the second base station is not interrupted, and the data transmission efficiency is high.
  • FIG. 5 is a schematic diagram of two application scenarios of a method for switching a terminal according to an embodiment of the present invention.
  • the terminal is specifically the UE
  • the first base station is specifically the user plane node 1 (English name: UP node1)
  • the second base station is specifically the user plane node 2 (English name: UP node2)
  • the gateway is specifically a user plane gateway (English name: User Plane Gateway, English abbreviation: UP GW).
  • the terminal can access the network through any wireless access node, and the terminal is located under the small base station in Figure 1-a.
  • the network accesses the network through the air interface, and after the process of authentication, service request, etc., the following steps are performed:
  • the controller sends user plane node configuration information to the UP node 1.
  • the controller sends a radio resource control (English full name: Radio Resource Control, English abbreviation: RRC) reconfiguration command to the UE.
  • a radio resource control English full name: Radio Resource Control, English abbreviation: RRC
  • the UPGW sends the downlink data to the UPnode1, and the UPnode1 sends the enhanced physical downlink control channel (English full name: Enhanced Physical Downlink Control Channel, EPDCCH) or the physical downlink shared channel (English full name: Physical Downlink Shared Channel, English abbreviation: PDSCH).
  • EPDCCH Enhanced Physical Downlink Control Channel
  • PDSCH Physical Downlink Shared Channel
  • the controller determines, by using at least one of the following three mobility criteria, that the UE enters the UPnode2.
  • the coverage area mainly has the following three implementation methods:
  • ALT1 the measurement report sent by the UE to the controller.
  • ALT2 and UPnode1 send measurement reports to the controller.
  • ALT3 and UPnode2 send measurement reports to the controller.
  • the controller allocates control channel resources from the resource pool to the UPnode1.
  • the controller allocates control channel resources from the resource pool to the UPnode2.
  • the controller sends a data flow allocation request to the UPGW.
  • the UPGW divides the data stream into two parts. One part is sent to the UE through UPnode1, and the other part is sent to the UE through UPnode2.
  • the UPGW sends data transmission status information to the controller.
  • the controller sends a user plane node removal instruction to the UPnode1.
  • the UPnode1 sends a data return command to the UPGW.
  • the resource is allocated by the controller to use a resource pool that is valid in a plurality of base stations or in a plurality of cells. Therefore, when the terminal moves between these base stations or between cells, a resource pool can always be used without re-configuration, so that reconfiguration signaling can be saved, so that the terminal moves from one base station to another or from one cell to In another cell, there is no need to wait for the configuration of the new cell to the terminal, and it may be transparent or non-aware to the terminal.
  • the same or similar common configuration can be used because the small base stations are deployed in the same area.
  • these configurations can be managed by the controller, as shown in Figure 1-
  • the macro base station can broadcast the common configuration information of the small base station, so the terminal can obtain the configuration of the small base station in the macro base station, and the terminal can obtain the common configuration information common to the multiple small base stations from the macro station, for different
  • the configuration information may be broadcast by the cell under the small base station or broadcasted by the macro station.
  • the terminal may distinguish different common configuration information by using the identification information of the small base station or the cell.
  • the controller does not have wireless transmission capability, the public air interface of each base station needs to be uniformly used for common configuration of the small base station. Multiple base stations can synchronize the air interface and use the same cell identifier.
  • a plurality of base stations synchronize the common configuration information of the small base station.
  • the terminal can obtain configuration information from any small base station or a cell under the small base station.
  • the controller configures the terminal's wireless identity information, such as the C-RNTI, to allocate a resource pool to the terminal by using a dedicated signaling configuration, such as an RRC configuration message, where the downlink control channel resource in the resource pool may be EPDCCH resource, which may also include uplink control
  • the channel resource for example, an Enhanced Physical Uplink Control Channel (English abbreviation: EPUCCH)
  • the resource pool may further include: an uplink and downlink shared data channel configuration, such as a time-frequency resource location.
  • the controller sends the terminal to the terminal through the air interface.
  • the small base station accessed by the terminal or the small base station near the terminal is sent to the terminal.
  • the controller also notifies the above configuration to the small base station where the terminal is currently located, and can also notify some small base stations around it.
  • the small base station that is, the UP node 1 sends the downlink control signaling to the terminal through the downlink control channel resource in the resource pool, for example, the scheduling information of the downlink or uplink shared data channel is sent for indication.
  • the terminal receives or transmits data on a shared data channel.
  • the controller determines that the terminal enters the coverage area of the UP node 2 by:
  • Option 1 The terminal determines that the wireless signal measurement from the UP node 2 meets the semaphore threshold according to the measurement report configured by the controller. If the wireless signal measurement of the UP node 2 is greater than the wireless signal measurement of the UP node 1 by 3 dB, the terminal reports the measurement result. The controller is notified that, for the scenario described in FIG. 1-b, the measurement report is forwarded by the small base station Up node1 to the controller.
  • the UP node 1 may notify the controller through the inter-base station interface according to the CQI measurement information reported by the terminal, or the CQI measurement information of the terminal to the UP node 2 is greater than the channel quality threshold.
  • the terminal may send CQI measurement information in the uplink control channel resource, and the UP node 1 and the UP node 2 listen and receive.
  • the UP node 2 determines, according to the SRS or Discovery signal sent by the terminal, that when the terminal approaches the UP node 2, the UP node 2 notifies the controller through the inter-base station interface.
  • the controller may control the designated UP node to detect some terminals. For example, the controller may indicate that the base station adjacent to the base station where the terminal is currently located performs terminal detection.
  • the controller can determine whether the terminal enters the coverage area of the UP node 2 by using the foregoing manner, and whether the data can be transmitted through the UP node 2.
  • the controller allocates the downlink control channel resources in the resource pool dedicated to the terminal to the UP node 1 and the UP node 2 respectively.
  • the downlink control channel resource in the resource pool can be divided into two parts, one for UP node1 and one for UP node2, so as to prevent the two UP nodes from colliding when a terminal is scheduled at the same time.
  • the configuration information can be notified to the UP node through the inter-base station interface, and the user plane is notified, and part of the data is offloaded to the UP node 2, so that the UP node 2 and the user plane gateway can communicate with each other, in the notification letter.
  • the information of the UP node 2 can be carried in the information, such as the IP address and tunnel information.
  • the configuration information sent to the UP node carries the transmission configuration information of the user plane gateway, so that a transmission channel is established between the UP node and the user plane gateway.
  • the controller can manage multiple resource pools dedicated to the terminal. If the number of the UP nodes is increased, the number of resources in the dedicated resource pool can be increased.
  • the terminal when receiving the resource pool, the terminal can simultaneously receive scheduling information from multiple UP nodes and transmit the multiple UP nodes.
  • the multiple UP nodes can share the same UE-related configuration information, so the UE does not need to distinguish the control information received by different UP nodes.
  • the terminal transmits data between multiple UP nodes and user plane gateways.
  • the user plane gateway can distribute data traffic between different links according to the flow control information.
  • the user plane gateway can also exchange data transmission status information with the controller.
  • the controller can notify the user that the gateway removes the link, and the data that has not been transmitted by the UP node is returned to the user plane gateway.
  • the user plane gateway and the controller may be separate nodes or the same node.
  • the interface between the user plane gateway and the controller is an internal interface, which is an internal implementation.
  • the terminal is specifically a UE
  • the first base station is specifically a UP node 1
  • the second base station is specifically a UP node 2
  • the gateway is specifically an UP GW, as shown in Figure 5-a.
  • the controller is specifically a distributed controller scenario, and the controller can be deployed on any small base station.
  • the controller is located on the initially accessed small base station UPnode1.
  • the terminal can access the network through any wireless access node, and the terminal passes after the cell under the small base station or the cell under the macro base station in FIG. 1-a or the cell under the small base station in FIG. 1-b.
  • After the air interface is connected to the network, after the process of authentication, service request, etc., perform the following steps:
  • the UP node 1 sends an RRC reconfiguration command to the UE.
  • P02 and UPGW send downlink data to UPnode1, and UPnode1 transmits EPDCCH or PDSCH to the UE.
  • P03 and UP node1 determine that the UE enters the coverage area of the UPnode 2 by using at least one of the following three mobility criteria, and the following three implementation manners are mainly implemented:
  • ALT1 the measurement report sent by the UE to UP node1.
  • ALT2 and UPnode1 generate measurement reports themselves.
  • ALT3 and UPnode2 send measurement reports to UP node1.
  • P04 and UPnode1 allocate control channel resources from the resource pool to UPnode2.
  • P05 and UPnode2 send confirmation information to UPnode1.
  • UPnode1 sends a data stream allocation request to the UPGW.
  • P07 and UPGW divide the data stream into two parts, one part is sent to the UE through UPnode1, and the other part is sent to the UE through UPnode2.
  • P09 and UPnode1 send controller move instructions to UPnode2.
  • P10 and UPnode2 send a controller mobile response to UPnode1.
  • the UPnode1 configures an RRC configuration message for the terminal, and the wireless identity information of the terminal, such as the C-RNTI, allocates a resource pool to the terminal, and the downlink control channel resource in the resource pool may be an EPDCCH resource.
  • the pool may also include an uplink control channel resource, such as an EPUCCH.
  • the resource pool may further include: an uplink and downlink shared data channel configuration, such as a time-frequency resource location, and the controller sends the terminal to the terminal through an air interface.
  • the macro base station transmits
  • FIG. 1-b the small base station accessed by the terminal or the small base station near the terminal is sent to the terminal.
  • UPnode1 as a controller can obtain the resource pool configuration of the terminal from the resource management node.
  • the resource management node management scope is similar to the controller in Figure 5-a.
  • UPnode1 can determine that the terminal has entered the coverage area of UPnode2, as shown in Figure 5-b.
  • Option 1 The terminal determines that the wireless signal measurement from UPnode2 meets the semaphore threshold according to the measurement report configured by the controller. If the wireless signal measurement of UPnode2 is greater than the wireless signal measurement of UPnode1 by 3dB, the terminal reports the measurement report to the controller. , that is, UPnode1.
  • UPnode1 may notify the controller through the inter-base station interface according to the CQI measurement information reported by the terminal, or the CQI information of the terminal to the UPnode2 is greater than the channel quality threshold.
  • the terminal may send CQI measurement information in the uplink control channel resource, and the UPnode1 listens and receives.
  • UPnode2 sends an SRS or Discovery signal in the uplink control channel resource according to the uplink signal sent by the terminal, and determines that when the terminal approaches the UPnode2, the UPnode2 notifies the controller through the inter-base station interface.
  • the controller can control the specified UPnode to detect some terminals. For example, the controller can indicate the base station adjacent to the base station where the terminal is currently located to perform terminal detection.
  • the UPnode1 can detect the terminal through the adjacent UPnode, and notify the message that the feature information of the uplink signal of the terminal, such as the sequence information of the uplink signal or the identification information.
  • UPnode1 determines whether the terminal enters the coverage area of UPnode2 by using the above method. Whether it can be transferred through UPnode2.
  • UPnode1 is allocated to UPnode1 and UPnode2 by resources in the resource pool dedicated to the above terminal. For example, the resource pool can be divided into two parts, one for UPnode1 and one for UPnode2, so that when two UPnodes simultaneously schedule one terminal, the control channel conflicts.
  • the configuration information can be notified to the UPnode through the inter-base station interface. At the same time, UPnode1 notifies the user side gateway to distribute part of the data to UPnode2.
  • the notification information can carry the transmission configuration information of UPnode2, such as IP address and tunnel information.
  • the configuration information sent to the UPnode carries the transmission configuration information of the user plane gateway, so that a transmission channel is established between the UPnode and the user plane gateway.
  • the controller can manage multiple resource pools dedicated to the shared terminal of the UPnode. If the number of the UPnodes is increased, the number of the downlink control channel resources of the resource pool can be increased. Therefore, when receiving the resource pool, the terminal can simultaneously receive scheduling information from multiple UPnodes and transmit the multiple UPnodes.
  • the multiple UPnodes can share the same UE-related configuration information, so the UE does not need to distinguish between different UPnode reception control information.
  • the terminal transmits data between multiple UPnodes and user plane gateways.
  • the user plane gateway can distribute data traffic between different links according to the flow control information.
  • the user plane gateway can also exchange data transmission status information with the controller. When a link has no data for a long time or when the mobility terminal removes the coverage area of the UPnode, the controller can notify the user that the gateway removes the link, and the data that the UPnode has not transmitted is returned to the user plane gateway.
  • Figure 5-b The difference between Figure 5-b and Figure 5-a is that the controller function on the UPnode can be moved.
  • UPnode1 can initiate a controller movement process to UPnode2 and send the configuration context of the terminal to UPnode2. And release the use of the terminal resource pool.
  • UPnode2 After the controller moves to UPnode2, UPnode2 starts to process the movement of the terminal, and the configuration context of the terminal can be deleted in UPnode1.
  • the improved handover scheme in the embodiment of the present invention can achieve smooth handover of terminals, loosely couple between nodes, reduce requirements for transmission bearers between nodes, and avoid joint scheduling or joint transmission. Coupling inter-cell collaboration for deployment in a wide range of scenarios.
  • a controller 600 may include: a transceiver module 601 and a terminal location determining module 602, where
  • the transceiver module 601 is configured to send a wireless identifier and a control channel resource of the terminal configured by the controller to the terminal; when the terminal is in a coverage area of the first base station, the wireless identifier of the terminal is Transmitting the control channel resource to the first base station;
  • the terminal location determining module 602 is configured to determine that the terminal is in a coverage area of the second base station
  • the transceiver module 601 is further configured to send the radio identifier of the terminal and the control channel resource to the second base station, so as to respectively send control signals from the first base station and the second base station by using control channel resources. The order is received by the terminal.
  • the transceiver module 601 is specifically configured to send the wireless identifier of the terminal and the control channel resource to a base station initially accessed by the terminal, by using the initially accessed base station. Transmitting the wireless identity of the terminal and the control channel resource to the terminal.
  • the transceiver module 601 is further configured to receive a measurement report from the terminal forwarded by the base station, where the measurement report from the terminal is a measurement configuration provided by the terminal according to the controller.
  • the terminal position determining module 602 when the terminal performs the channel measurement and determines, by the terminal, that the wireless signal measurement quantity between the second base station and the terminal meets the preset first channel condition, Specifically, determining, according to the measurement report sent by the terminal, that the terminal is in a coverage area of the second base station; or
  • the transceiver module 601 is further configured to receive a first measurement report sent by the base station, where the first measurement report sent by the base station is that the base station determines, according to the measurement result sent by the terminal, the base station and the terminal.
  • the wireless signal measurement quantity is sent when the preset second channel condition is met, and the measurement result sent by the terminal is generated by the terminal performing channel measurement according to the measurement configuration information provided by the controller, and the terminal is generated.
  • the location determining module 602 is configured to determine, according to the measurement report sent by the base station, that the terminal is in a coverage area of the second base station; or
  • the transceiver module 601 is further configured to receive a measurement result sent by the base station, where the base station sends The measurement result is generated by the base station performing channel measurement on the location tracking signal sent by the terminal, where the terminal location determining module 602 is specifically configured to determine, according to the measurement result generated by the base station, the second base station and The wireless signal measurement quantity between the terminals satisfies a preset third channel condition, and the controller determines that the terminal is in a coverage area of the second base station; or
  • the transceiver module 601 is further configured to receive a second measurement report sent by the base station, where the second measurement report sent by the base station is performed by the base station to perform channel measurement on a position tracking signal sent by the terminal, and determine the
  • the terminal location determining module 602 is configured to determine, according to the measurement report sent by the base station, that the terminal is in the foregoing, when the wireless channel measurement quantity between the base station and the terminal meets a preset fourth channel condition. a coverage area of the second base station;
  • the base station is: the first base station and/or the second base station.
  • the transceiver module 601 is further configured to receive data transmission status information sent by the gateway, where the data transmission status information includes at least one of the following information: the gateway and the first a data transmission status between the base stations, a data transmission status between the gateway and the second base station; when the controller determines that a data transmission status between the gateway and the first base station does not meet a preset And transmitting a teardown instruction to the gateway or the first base station, and removing, by the gateway or the first base station, a transmission channel between the gateway and the first base station.
  • control function of the controller 600 is performed by the first base station; or
  • the control function of the controller is performed by the first base station, and when the terminal is in the coverage area of the second base station, by the second The base station performs the control functions of the controller.
  • a terminal 700 may include: a transceiver module 701 and a data transmission module 702, where
  • the transceiver module 701 is configured to receive, by the controller, a wireless identifier of the terminal and a control channel resource configured by the controller, and receive control signaling sent by the base station according to the control channel resource, where the base station is: a first base station and/or a second base station;
  • the data transmission module 702 is configured to transmit data on a shared channel according to the control signaling, where the shared channel is a transport channel configured between the base station and the terminal.
  • the terminal 700 further includes: a measurement processing module 703, where
  • the measurement processing module 703 is configured to perform channel measurement according to the measurement configuration information provided by the controller, and determine, according to the generated measurement result, whether the wireless signal measurement quantity between the second base station and the terminal satisfies a preset The first channel condition, the transceiver module 701 is further configured to: when the wireless signal measurement quantity between the second base station and the terminal meets a preset first channel condition, pass the base station to the controller Send a measurement report; or,
  • the measurement processing module 702 is configured to perform channel measurement according to the measurement configuration information provided by the controller, where the transceiver module 701 is further configured to send the measurement result generated by the terminal to the base station; or
  • the transceiver module 701 is further configured to send a location tracking signal according to the signal configuration information provided by the controller.
  • the data transmission module 702 is specifically configured to receive downlink data sent by the first base station and/or the second base station on the shared channel; and/or And transmitting uplink data to the first base station and/or the second base station on the shared channel.
  • control function of the controller is performed by the first base station; or
  • the control function of the controller is performed by the first base station, and when the terminal is in the coverage area of the second base station, by the second The base station performs the control functions of the controller.
  • a base station 800 is provided in the embodiment of the present invention.
  • the base station 800 is specifically a first base station and/or a second base station.
  • the base station 800 includes: a transceiver module 801 and a data transmission module 802. ,among them,
  • the transceiver module 801 is configured to receive, by the controller, a wireless identifier of the terminal and a control channel resource configured by the controller, and send the control signaling to the terminal by using the control channel resource;
  • the data transmission module 802 is configured to transmit data by using a shared channel between the base station and the terminal.
  • the base station 800 further includes: a channel measurement module 803 and a determination module 804, where
  • the transceiver module 801 is further configured to receive a measurement report sent by the terminal, where the measurement report sent by the terminal is that the terminal performs channel measurement according to the measurement configuration information provided by the controller, and determines the second base station. The amount of wireless signal measurement with the terminal satisfies a preset first channel And transmitting, by the terminal, the measurement report sent by the terminal to the controller; or
  • the transceiver module 801 is further configured to receive a measurement result sent by the terminal, where the measurement result sent by the terminal is generated after the terminal performs channel measurement according to the measurement configuration information provided by the controller, where the determining module is 804, configured to determine, according to the measurement result, that the wireless signal measurement quantity between the base station and the terminal meets a preset second channel condition, where the transceiver module 801 is further configured to send a measurement to the controller. Report; or,
  • the channel measurement module 803 is configured to perform channel measurement on the location tracking signal sent by the terminal to generate a measurement result, where the transceiver module 801 is further configured to send the measurement result generated by the base station to the controller; or ,
  • the channel measurement module 803 is further configured to perform channel measurement on the location tracking signal sent by the terminal, where the determining module 804 is further configured to determine that the wireless channel measurement quantity between the base station and the terminal meets a pre- The fourth channel condition, the transceiver module 801 is further configured to send the measurement report generated by the base station to the controller.
  • the control function of the controller is performed by the first base station
  • control function of the controller is performed by the first base station, and when the terminal is in a coverage area of the second base station, the first base station And transmitting, to the second base station, a control function move instruction, where the control function move instruction includes: a configuration context of the terminal.
  • the embodiment of the present invention further provides a computer storage medium, wherein the computer storage medium stores a program, and the program executes some or all of the steps described in the foregoing method embodiments.
  • the controller 900 includes:
  • the receiver 901, the transmitter 902, the processor 903, and the memory 904 (wherein the number of the processors 903 in the controller 900 may be one or more, and one processor in FIG. 9 is taken as an example).
  • the receiver 901, the transmitter 902, the processor 903, and the memory 904 may be connected by a bus or other means, wherein the bus connection is taken as an example in FIG.
  • Memory 904 can include read only memory and random access memory and provides instructions and data to processor 903. A portion of the memory 904 may also include a non-volatile random access memory (English) Full name: Non-Volatile Random Access Memory, English abbreviation: NVRAM).
  • the memory 904 stores operating systems and operational instructions, executable modules or data structures, or a subset thereof, or an extended set thereof, wherein the operational instructions can include various operational instructions for implementing various operations.
  • the operating system can include a variety of system programs for implementing various basic services and handling hardware-based tasks.
  • the processor 903 controls the operation of the controller.
  • the processor 903 can also be referred to as a central processing unit (English name: Central Processing Unit, English abbreviation: CPU).
  • CPU Central Processing Unit
  • each component of the controller is coupled together by a bus system.
  • the bus system may include a power bus, a control bus, and a status signal bus in addition to the data bus.
  • the various buses are referred to as bus systems in the figures.
  • the method disclosed in the foregoing embodiments of the present invention may be applied to the processor 903 or implemented by the processor 903.
  • the processor 903 can be an integrated circuit chip with signal processing capabilities.
  • each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 903 or an instruction in a form of software.
  • the processor 903 can be a general-purpose processor, a digital signal processor (English name: digital signal processing, English abbreviation: DSP), an application-specific integrated circuit (English name: Application Specific Integrated Circuit, English abbreviation: ASIC), ready-made programmable Gate array (English name: Field-Programmable Gate Array, English abbreviation: FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP digital signal processor
  • ASIC Application Specific Integrated Circuit
  • FPGA ready-made programmable Gate array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present invention may be implemented or carried out.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present invention may be directly implemented by the hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in memory 904, and processor 903 reads the information in memory 904 and, in conjunction with its hardware, performs the steps of the above method.
  • the receiver 901 can be configured to receive input digital or character information, and to generate signal inputs related to related settings and function control of the controller, the transmitter 902 can include a display device such as a display screen, and the transmitter 902 can be used to output digital signals through an external interface. Or character information.
  • the processor 903 is configured to perform the foregoing method for switching the terminal executed by the controller. For details, refer to the description of the foregoing embodiment. In detail, the processor 903 is configured to perform the following steps:
  • the controller Determining that the terminal is in a coverage area of the second base station, and then the controller sends the radio identifier of the terminal and the control channel resource to the second base station, so as to pass the control channel resource, from the Control signaling respectively sent by the first base station and the second base station is received by the terminal.
  • the controller allocates terminal identifiers and control channel resources that the terminal can use at the first base station and the second base station to which the terminal is switched, and controls the terminal when the terminal is in the coverage area of the first base station.
  • the device sends the radio identifier and the control channel resource that are configured to the terminal to the first base station, and the controller determines that the terminal is in the coverage area of the second base station, and the controller sends the radio identifier and the control channel resource that are configured to the terminal to the second base station.
  • the terminal when the terminal moves between the base stations such as the first base station and the second base station, the terminal can always use the wireless identity and control channel resources configured by the controller, without re-configuring, and can save reconfiguration signaling, and the terminal is in the second
  • the data transmission in the process of switching from one base station to the second base station is not interrupted, and the data transmission efficiency is high.
  • the processor 903 is specifically configured to perform the following steps:
  • the terminal initially accesses the base station, and the terminal can forward the wireless identifier and the control channel resource of the terminal, and the terminal acquires the wireless identifier and the control channel resource of the terminal by using the initially accessed base station.
  • the terminal moves between the base stations such as the first base station and the second base station, the terminal can always use the wireless identity and control channel resources configured by the controller, without re-configuration, and the reconfiguration signaling can be saved.
  • the processor 903 is specifically configured to perform the following steps:
  • the terminal Receiving, by the base station, a measurement report from the terminal, where the measurement report from the terminal is that the terminal performs channel measurement according to the measurement configuration information provided by the controller, and the terminal determines the second base station and the When the wireless signal measurement between the terminals meets the preset first channel condition, the terminal sends, according to the measurement report sent by the terminal, determining that the terminal is in the coverage area of the second base station; or
  • the first measurement report sent by the base station is that the base station determines, according to the measurement result sent by the terminal, that the wireless signal measurement quantity between the base station and the terminal meets a pre-
  • the measurement result sent by the terminal is generated after the terminal performs channel measurement according to the measurement configuration information provided by the controller, and the terminal is determined according to the measurement report sent by the base station. In the coverage area of the second base station; or,
  • the measurement result sent by the base station is generated by the base station performing channel measurement on the position tracking signal sent by the terminal, and determining the second according to the measurement result sent by the base station
  • the wireless signal measurement between the base station and the terminal satisfies a preset third channel condition, and determines that the terminal is in a coverage area of the second base station; or
  • Receiving a second measurement report sent by the base station where the second measurement report sent by the base station is that the base station performs channel measurement on a location tracking signal sent by the terminal, and determines a wireless connection between the base station and the terminal. And transmitting, when the channel measurement quantity meets the preset fourth channel condition, determining, according to the measurement report sent by the base station, that the terminal is in a coverage area of the second base station;
  • the base station is: the first base station and/or the second base station.
  • the controller may determine that the terminal is in the coverage area of the second base station in a plurality of feasible manners.
  • the terminal may send the measurement report generated by the terminal to the controller through the base station.
  • the measurement report generated by the base station may be sent by the base station to the controller.
  • the controller determines that the terminal is in the coverage area of the second base station according to the foregoing measurement report, or the controller may determine that the terminal is in the coverage area of the second base station.
  • the processor 903 is further configured to perform the following steps:
  • the gateway Receiving data transmission status information sent by the gateway, where the data transmission status information includes at least one of the following: a data transmission status between the gateway and the first base station, the gateway, and the second base station Data transfer status
  • the controller determines that the data transmission status between the gateway and the first base station does not meet the preset transmission condition, sending a teardown instruction to the gateway or the first base station, by the gateway or the The first base station removes a transmission channel between the gateway and the first base station.
  • the controller sends a channel removal command to the gateway or the first base station, and the gateway or the first base station removes the transmission channel between the gateway and the first base station, and the data is improved by removing the idle transmission channel. Transmission efficiency.
  • control function of the controller is performed by the first base station; or,
  • the control function of the controller is performed by the first base station, and when the terminal is in the coverage area of the second base station, by the second The base station performs the control functions of the controller.
  • the controller may be implemented in multiple manners, and may be implemented by the first base station, and the controller may also be implemented in a distributed manner, and the first base station and the first base station may be implemented as the terminal continuously moves.
  • the two base stations respectively perform the control functions of the controller, and the deployment of the controller is very flexible.
  • the terminal 1000 includes:
  • the receiver 1001, the transmitter 1002, the processor 1003, and the memory 1004 (wherein the number of the processors 1003 in the terminal 1000 may be one or more, and one processor in FIG. 10 is taken as an example).
  • the receiver 1001, the transmitter 1002, the processor 1003, and the memory 1004 may be connected by a bus or other means, wherein FIG. 10 is exemplified by a bus connection.
  • the memory 1004 can include read only memory and random access memory and provides instructions and data to the processor 1003. A portion of the memory 1004 may also include an NVRAM.
  • the memory 1004 stores operating systems and operational instructions, executable modules or data structures, or a subset thereof, or an extended set thereof, wherein the operational instructions can include various operational instructions for implementing various operations.
  • the operating system can include a variety of system programs for implementing various basic services and handling hardware-based tasks.
  • the processor 1003 controls the operation of the terminal, and the processor 1003 may also be referred to as a CPU.
  • each component of the terminal is coupled together by a bus system.
  • the bus system may include a power bus, a control bus, and a status signal bus in addition to the data bus.
  • the various buses are referred to as bus systems in the figures.
  • the method disclosed in the foregoing embodiments of the present invention may be applied to the processor 1003 or implemented by the processor 1003.
  • the processor 1003 can be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 1003 or an instruction in a form of software.
  • the processor 1003 described above may be a general purpose processor, DSP, ASIC, FPGA or other programmable logic device, discrete gate or transistor logic device, discrete hardware component.
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present invention may be implemented or carried out.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present invention may be directly implemented by the hardware decoding processor, or performed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 1004, and the processor 1003 reads the information in the memory 1004 and completes the steps of the above method in combination with its hardware.
  • the processor 1003 is configured to perform a handover method of a terminal performed by a terminal in the foregoing embodiment.
  • the processor 1003 is configured to perform the following steps:
  • the base station is: a first base station and/or a second base station;
  • the shared channel is a transport channel configured between the base station and the terminal.
  • the controller allocates, for the terminal, the terminal identifier and the control channel resource that the terminal can use in the first base station and the second base station to which the terminal is switched.
  • the controller determines that the terminal is in the coverage area of the second base station, and the controller sends the wireless identity and control channel resources allocated to the terminal to the second base station.
  • the terminal when the terminal moves between the base stations such as the first base station and the second base station, the terminal can always use the wireless identity and control channel resources configured by the controller, without re-configuring, and can save reconfiguration signaling, and the terminal is in the second
  • the data transmission in the process of switching from one base station to the second base station is not interrupted, and the data transmission efficiency is high.
  • the processor 1003 is further configured to perform the following steps:
  • the measurement report is sent to the controller by the base station;
  • a position tracking signal is transmitted according to signal configuration information provided by the controller.
  • the controller may determine that the terminal is in the second manner by using various feasible manners.
  • the coverage area of the base station in the above feasible manner, the terminal may send the measurement report generated by the terminal to the controller through the base station, or the base station may send the measurement report generated by the base station to the controller, and the controller determines according to the measurement report.
  • the terminal is in the coverage area of the second base station, or the controller may determine that the terminal is in the coverage area of the second base station.
  • the processor 1003 is specifically configured to perform the following steps:
  • the terminal may perform data transmission by the first base station and the second base station, where the data transmission may refer to uplink transmission and downlink transmission, and the data transmission efficiency may be improved.
  • control function of the controller is performed by the first base station; or
  • the control function of the controller is performed by the first base station, and when the terminal is in the coverage area of the second base station, by the second The base station performs the control functions of the controller.
  • the controller may be implemented in multiple manners, and may be implemented by the first base station, and the controller may also be implemented in a distributed manner, and the first base station and the first base station may be implemented as the terminal continuously moves.
  • the two base stations respectively perform the control functions of the controller, and the deployment of the controller is very flexible.
  • the base station 1100 includes:
  • the receiver 1101, the transmitter 1102, the processor 1103, and the memory 1104 (wherein the number of processors 1103 in the base station 1100 may be one or more, and one processor in FIG. 11 is taken as an example).
  • the receiver 1101, the transmitter 1102, the processor 1103, and the memory 1104 may be connected by a bus or other means, wherein the bus connection is taken as an example in FIG.
  • Memory 1104 can include read only memory and random access memory and provides instructions and data to processor 1103. A portion of the memory 1104 can also include an NVRAM.
  • the memory 1104 stores operating systems and operational instructions, executable modules or data structures, or a subset thereof, or an extended set thereof, wherein the operational instructions can include various operational instructions for implementing various operations.
  • the operating system can include a variety of system programs for implementing various basic services and handling hardware-based tasks.
  • the processor 1103 controls the operation of the base station, and the processor 1103 may also be referred to as a CPU. Specific should In use, the components of the base station are coupled together by a bus system.
  • the bus system may include a power bus, a control bus, and a status signal bus in addition to the data bus. However, for the sake of clarity, the various buses are referred to as bus systems in the figures.
  • the method disclosed in the foregoing embodiment of the present invention may be applied to the processor 1103 or implemented by the processor 1103.
  • the processor 1103 can be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above method may be completed by an integrated logic circuit of hardware in the processor 1103 or an instruction in a form of software.
  • the processor 1103 described above may be a general purpose processor, DSP, ASIC, FPGA or other programmable logic device, discrete gate or transistor logic device, discrete hardware component.
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present invention may be implemented or carried out.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present invention may be directly implemented by the hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 1104, and the processor 1103 reads the information in the memory 1104 and performs the steps of the above method in combination with its hardware.
  • the processor 1103 is configured to perform a handover method of a terminal performed by a base station in the foregoing embodiment. Specifically, the processor 1103 is configured to perform the following steps:
  • a wireless identifier of the terminal and a control channel resource configured by the controller, where the base station is: a first base station and/or a second base station;
  • Data is transmitted through a shared channel between the base station and the terminal.
  • the controller allocates, for the terminal, the terminal identifier and the control channel resource that the terminal can use in the first base station and the second base station to which the terminal is switched.
  • the controller determines that the terminal is in the coverage area of the second base station, and the controller sends the wireless identity and control channel resources allocated to the terminal to the second base station.
  • the terminal when the terminal moves between the base stations such as the first base station and the second base station, the terminal can always use the wireless identity and control channel resources configured by the controller, without re-configuring, and can save reconfiguration signaling, and the terminal is in the second
  • the data transmission in the process of switching from one base station to the second base station is not interrupted, and the data transmission efficiency is high.
  • the processor 1103 is further configured to perform the following steps:
  • the measurement report sent by the terminal is that the terminal performs channel measurement according to the measurement configuration information provided by the controller, and determines a wireless signal between the second base station and the terminal.
  • the terminal sends the measurement report sent by the terminal to the controller;
  • the measurement result sent by the terminal is generated by the terminal performing channel measurement according to the measurement configuration information provided by the controller, and determining, according to the measurement result, the base station and the Sending a measurement report to the controller when the wireless signal measurement between the terminals satisfies the preset second channel condition; or
  • the controller may determine that the terminal is in the coverage area of the second base station in a plurality of feasible manners.
  • the terminal may send the measurement report generated by the terminal to the controller through the base station.
  • the measurement report generated by the base station may be sent by the base station to the controller.
  • the controller determines that the terminal is in the coverage area of the second base station according to the foregoing measurement report, or the controller may determine that the terminal is in the coverage area of the second base station.
  • the processor 1103 is further configured to perform the following steps:
  • the base station When the base station is the first base station, performing, by the first base station, a control function of the controller; or
  • control function of the controller is performed by the first base station, and when the terminal is in a coverage area of the second base station, the first base station And transmitting, to the second base station, a control function move instruction, where the control function move instruction includes: a configuration context of the terminal.
  • the controller may be implemented in multiple manners, and may be implemented by the first base station, and the controller may also be implemented in a distributed manner, and the first base station and the first base station may be implemented as the terminal continuously moves.
  • the two base stations respectively perform the control functions of the controller, and the deployment of the controller is very flexible.
  • an embodiment of the present invention further provides a system chip for terminal handover. 1200, comprising: a communication interface 1201, a bus 1202, a processor 1203 and a memory 1204, the chip 1200 interacting with the outside through a communication interface 1201, the communication interface 1201 communicating with the processor 1203 and the memory 1204 via a bus 1202
  • the memory 1204 stores the source program code required by the terminal switching method, where
  • the processor 1203 is configured to invoke the code stored in the memory 1204 to perform the foregoing method for switching the terminal executed by the controller. For details, refer to the description of the foregoing embodiment.
  • an embodiment of the present invention further provides a system chip 1300 for terminal handover, including: a communication interface 1301 , a bus 1302 , a processor 1303 , and a memory 1304 .
  • the chip 1300 passes through the communication interface 1301 .
  • the communication interface 1301 is in communication with the processor 1303 and the memory 1304 via a bus 1302, and the memory 1304 stores source code required for the terminal switching method, wherein
  • the processor 1303 is configured to invoke the code stored in the memory 1304 to perform the foregoing method for switching the terminal executed by the terminal. For details, refer to the description of the foregoing embodiment.
  • an embodiment of the present invention further provides a system chip 1400 for terminal handover, including: a communication interface 1401 , a bus 1402 , a processor 1403 , and a memory 1404 .
  • the chip 1400 passes through the communication interface 1401 .
  • the communication interface 1401 is in communication with the processor 1403 and the memory 1404 via a bus 1402, the memory 1404 storing source code required for the terminal switching method, wherein
  • the processor 1403 is configured to invoke the code stored in the memory 1404, and perform the foregoing method for switching the terminal performed by the base station. For details, refer to the description of the foregoing embodiment.
  • the embodiment of the present invention further provides a computer program for performing the foregoing method for switching a terminal executed by a controller. For details, refer to the description of the foregoing embodiment.
  • the embodiment of the present invention further provides a computer program for performing the foregoing method for switching a terminal executed by a terminal. For details, refer to the description of the foregoing embodiment.
  • the embodiment of the present invention further provides a computer program for performing the foregoing handover method of a terminal performed by a base station, as described in detail in the foregoing embodiments.
  • the embodiment of the present invention further provides a handover system 1500 for a terminal, including: a controller 1501 as described above, a terminal 1502 as described above, and a base station 1503 as described above, the base station is: first Base station and/or second base station.
  • the controller 1501 may be the controller shown in FIG. 6, and the terminal 1502 may be the terminal 700 shown in FIG. 7-a and FIG. 7-b.
  • 1503 may be base station 800 shown in FIG.
  • the controller 1501 may be the controller 900 shown in FIG. 9, the terminal 1502 may be the terminal 1000 shown in FIG. 10, and the base station 1503 may be the base station 1100 shown in FIG. See the description of the previous embodiment for details.
  • the device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be Physical units can be located in one place or distributed to multiple network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • the connection relationship between the modules indicates that there is a communication connection between them, and specifically, one or more communication buses or signal lines can be realized.
  • the present invention can be implemented by means of software plus necessary general hardware, and of course, dedicated hardware, dedicated CPU, dedicated memory, dedicated memory, Special components and so on.
  • functions performed by computer programs can be easily implemented with the corresponding hardware, and the specific hardware structure used to implement the same function can be various, such as analog circuits, digital circuits, or dedicated circuits. Circuits, etc.
  • software program implementation is a better implementation in more cases.
  • the technical solution of the present invention which is essential or contributes to the prior art, can be embodied in the form of a software product stored in a readable storage medium, such as a floppy disk of a computer.
  • U disk mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or optical disk, etc., including a number of instructions to make a computer device (may be A personal computer, server, or network device, etc.) performs the methods described in various embodiments of the present invention.
  • a computer device may be A personal computer, server, or network device, etc.

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Abstract

本发明实施例公开了一种终端的切换方法和控制器、终端、基站以及***，用于在数据传输不中断的情况下完成终端的切换，且数据传输效率很高。本发明实施例提供一种终端的切换方法，包括：控制器将所述控制器配置的终端的无线标识和控制信道资源发送给所述终端；当所述终端处于第一基站的覆盖区域时，所述控制器将所述终端的无线标识和所述控制信道资源发送给所述第一基站；所述控制器确定所述终端处于第二基站的覆盖区域，然后所述控制器将所述终端的无线标识和所述控制信道资源发送给所述第二基站，以便于通过所述控制信道资源，从所述第一基站和所述第二基站分别发出的控制信令被所述终端接收到。

Description

一种终端的切换方法和控制器、终端、基站以及***
本申请要求于2015年12月31日提交中国专利局、申请号为201511029928.3、发明名称为“一种终端的切换方法和控制器、终端、基站以及***”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及通信技术领域，尤其涉及一种终端的切换方法和控制器、终端、基站以及***。
背景技术
在未来无线网络中，有两种方式可实现高吞吐量，一种是使用大量的多输入多输出(英文全称：Multiple Input Multiple Output，英文名称：MIMO)天线，另一种是超密集网络部署。大量的MIMO天线是指在基站上使用大量的天线，MIMO的性能由于空间的限制会容易导致***容量饱和。超密集网络中微基站的部署成本比宏基站小，通过智能切换可以达到最好的连接。在远距离地方，只需要部署微基站即可，而不用部署有着很多天线的宏基站。微基站同时支持多种无线技术，但是微基站的切换性能不如宏基站，尤其在宏基站和微基站混合部署的移动网络中，用户设备(英文名称：User Equipment，英文简称：UE)的移动性管理更加复杂。
在这种混合部署的移动网络中，移动网络规模庞大且复杂，小区切换在设备移动性管理和性能分析中显得越来越重要。如今随着移动网络的发展，业务种类多样化，用户设备的移动复杂性的增加，致使原来的小区切换机制不再能很好的适应复杂的网络环境。
在长期演进(英文全称：Long Term Evolution，英文简称：LTE)***的切换过程中，在控制面可分为5个过程：测量过程、测量上报、切换准备、切换命令和切换完成。其中切换命令和切换完成这两个过程中由于终端空口从源基站切换到新的目标基站会中断空口数据的传输，因此有必要进行切换优化，以减少控制面切换时延和用户面数据的中断。在上述的切换过程中，完成切换需要在控制面完成前述5个过程，而在切换命令和切换完成过程中，终端会断开源小区连接和目标小区进行连接，因此在此过程中数据传输会中断。
现有技术中存在如下几种切换优化的方法用于减少控制面切换时延和用户面数据的中断。一种切换优化方法是采用预切换的方法，与前述的正常切换相比，在切换之前对可能的目标小区先进行切换预准备过程，在实际测量报告触发切换后，可以不再进行切换准备过程，由源小区直接将预准备的切换小区的切换命令直接发送给终端，因此切换过程中控制面时延会缩短，但终端仍然需要先断开源小区再连接目标小区，因此切换过程中数据传输中断依然存在。
为了进一步缩短切换过程，现有技术中还存在如下的切换优化方法：在基于预切换的方法的基础上，由网络发起切换过程转变为终端发起切换过程，因此在控制面过程中，当终端判决进行切换时，由终端直接和预先准备好的目标小区进行切换来完成切换过程。由于用户面数据需要从源小区转发到目标小区，因此这种方法也会存在数据中断，只有在终端切换完成后，由目标小区向源小区或者数据转发节点请求数据流转发，数据中断直到数据流转发到目标小区后才得以恢复。
为了克服上述方法存在的数据中断问题，现有技术中还存在如下的切换优化方法：通过终端和多个小区建立多连接，终端在接入目标小区时，并不先断开和源小区的连接，因此终端在完成和目标小区的连接前还可以继续和源小区进行通讯，直到后续数据逐渐转到目标小区发送为止，理论上通过该方法可以完全消除数据中断的问题。
但是在上述的切换优化方案中，建立多连接的方法虽然可以避免数据的中断，但是终端仍然需要尽早的识别目标小区，并通过信令添加到多连接小区集合中，并需要持续的对该集合进行更新，以备多个连接小区随时可能用于多连接传输。在高密度小区部署时，终端周围可能同时存在几个乃至数十个小区，因此这种现有技术存在小区管理维护成本比较高的问题。另外频繁的进行小区添加删除过程虽然不会导致掉话，但是对有效传输速率影响很大，从用户角度看，信号一直很好，但是传输速率忽大忽小，数据传输效率很低。
发明内容
本发明实施例提供了一种终端的切换方法和控制器、终端、基站以及***，用于在数据传输不中断的情况下完成终端的切换，且数据传输效率很高。
为解决上述技术问题，本发明实施例提供以下技术方案：
第一方面，本发明实施例提供一种终端的切换方法，包括：
控制器将所述控制器配置的终端的无线标识和控制信道资源发送给所述终端；
当所述终端处于第一基站的覆盖区域时，所述控制器将所述终端的无线标识和所述控制信道资源发送给所述第一基站；
所述控制器确定所述终端处于第二基站的覆盖区域，然后所述控制器将所述终端的无线标识和所述控制信道资源发送给所述第二基站，以便于通过所述控制信道资源，从所述第一基站和所述第二基站分别发出的控制信令被所述终端接收到。
在本发明实施例中，控制器为终端分配该终端在第一基站和该终端切换到的第二基站都可以使用的终端标识和控制信道资源，当终端处于第一基站的覆盖区域时，控制器将配置给终端的无线标识和控制信道资源同样发送给第一基站，控制器确定终端处于第二基站的覆盖区域，控制器将配置给终端的无线标识和控制信道资源同样发送给第二基站。因此终端在第一基站和第二基站等这些基站间移动时，终端可以始终使用控制器配置的无线标识和控制信道资源，而不需要重新进行配置，可以节省重配置信令，终端在从第一基站切换到第二基站的过程中数据传输不会中断，数据传输效率很高。
结合第一方面，在第一方面的第一种可能的实现方式中，所述控制器将所述控制器配置的终端的无线标识和所述控制信道资源发送给所述终端，包括：
所述控制器将所述终端的无线标识和所述控制信道资源发送给所述终端初始接入的基站，由所述初始接入的基站将所述终端的无线标识和所述控制信道资源发送给所述终端。
在本发明实施例中，终端初始接入基站可以为终端转发终端的无线标识和控制信道资源，终端通过初始接入的基站获取到终端的无线标识和控制信道资源。终端在第一基站和第二基站等这些基站间移动时，终端可以始终使用控制器配置的无线标识和控制信道资源，而不需要重新进行配置，可以节省重配置信令。
结合第一方面，在第一方面的第二种可能的实现方式中，所述控制器确定所述终端处于第二基站的覆盖区域，包括：
所述控制器接收基站转发的来自于终端的测量报告，所述来自于终端的测量报告是所述终端按照所述控制器提供的测量配置信息进行信道测量并由所述终端判断出所述第二基站与所述终端之间的无线信号测量量满足预置的第一信道条件时所述终端发送的，所述控制器根据所述终端发送的测量报告确定所述终端处于所述第二基站的覆盖区域；或，
所述控制器接收所述基站发送的第一测量报告，所述基站发送的第一测量报告是所述基站根据所述终端发送的测量结果判断出所述基站与所述终端之间的无线信号测量量满足预置的第二信道条件时发送的，所述终端发送的测量结果是所述终端按照所述控制器提供的测量配置信息进行信道测量后生成的，所述控制器根据所述基站发送的测量报告确定所述终端处于所述第二基站的覆盖区域；或，
所述控制器接收所述基站发送的测量结果，所述基站发送的测量结果是所述基站对所述终端发送的位置跟踪信号进行信道测量后生成的，所述控制器根据所述基站发送的测量结果判断出所述第二基站与所述终端之间的无线信号测量量满足预置的第三信道条件，所述控制器确定所述终端处于所述第二基站的覆盖区域；或，
所述控制器接收所述基站发送的第二测量报告，所述基站发送的第二测量报告是所述基站对所述终端发送的位置跟踪信号进行信道测量并判断出所述基站与所述终端之间的无线信道测量量满足预置的第四信道条件时发送的，所述控制器根据所述基站发送的测量报告确定所述终端处于所述第二基站的覆盖区域；
其中，所述基站是：所述第一基站和/或所述第二基站。
在本发明实施例中，控制器可以通过多种可行的方式来确定终端处于第二基站的覆盖区域，在上述可行的方式中，可以终端将自己生成的测量报告通过基站发送给控制器，也可以由基站将自己生成的测量报告发送给控制器，控制器根据上述测量报告来确定终端处于第二基站的覆盖区域，或者也可以由控制器自行判断出终端处于第二基站的覆盖区域。
结合第一方面，在第一方面的第三种可能的实现方式中，所述方法还包括：
所述控制器接收网关发送的数据传输状态信息，所述数据传输状态信息包括如下信息中的至少一种：所述网关和所述第一基站之间的数据传输状态、所 述网关和所述第二基站之间的数据传输状态；
当所述控制器确定所述网关和所述第一基站之间的数据传输状态不符合预置的传输条件时，所述控制器向所述网关或所述第一基站发送拆除指令，由所述网关或所述第一基站拆除所述网关和所述第一基站之间的传输通道。
在本发明实施例中，控制器向网关或第一基站发送通道拆除指令，由网关或第一基站拆除网关和第一基站之间的传输通道，通过将闲置的传输通道拆除，可以提高数据的传输效率。
结合第一方面或第一方面的第一种可能或第二种可能或第三种可能的实现方式，在第一方面的第四种可能的实现方式中，所述控制器的控制功能由所述第一基站执行；或，
当所述终端处于所述第一基站的覆盖区域时，由所述第一基站执行所述控制器的控制功能，当所述终端处于所述第二基站的覆盖区域时，由所述第二基站执行所述控制器的控制功能。
在本发明实施例中，控制器可以有多种实现方式，可以由第一基站来实现，控制器也可以通过分布式的方式来实现，随着终端的不断移动，可以由第一基站和第二基站分别来执行控制器的控制功能，控制器的部署实现很灵活。
第二方面，本发明实施例还提供一种终端的切换方法，包括：
所述终端从控制器接收所述终端的无线标识和所述控制器配置的控制信道资源；
所述终端根据所述控制信道资源接收基站发送的控制信令，其中，所述基站是：第一基站和/或第二基站；
所述终端根据所述控制信令在共享信道上传输数据，所述共享信道为所述基站和所述终端之间配置的传输信道。
本发明实施例中控制器为终端分配该终端在第一基站和该终端切换到的第二基站都可以使用的终端标识和控制信道资源，当终端处于第一基站的覆盖区域时，控制器将配置给终端的无线标识和控制信道资源同样发送给第一基站，控制器确定终端处于第二基站的覆盖区域，控制器将配置给终端的无线标识和控制信道资源同样发送给第二基站。因此终端在第一基站和第二基站等这些基站间移动时，终端可以始终使用控制器配置的无线标识和控制信道资源，而不需要重新进行配置，可以节省重配置信令，终端在从第一基站切换到第二 基站的过程中数据传输不会中断，数据传输效率很高。
结合第二方面，在第二方面的第一种可能的实现方式中，所述方法还包括：
所述终端根据所述控制器提供的测量配置信息进行信道测量，根据生成的测量结果判断所述第二基站与所述终端之间的无线信号测量量是否满足预置的第一信道条件，当所述第二基站与所述终端之间的无线信号测量量满足预置的第一信道条件时，所述终端通过所述基站向所述控制器发送测量报告；或，
所述终端根据所述控制器提供的测量配置信息进行信道测量，并向所述基站发送所述终端生成的测量结果；或，
所述终端根据所述控制器提供的信号配置信息发送位置跟踪信号。
在本发明实施例中，控制器可以通过多种可行的方式来确定终端处于第二基站的覆盖区域，在上述可行的方式中，可以终端将自己生成的测量报告通过基站发送给控制器，也可以由基站将自己生成的测量报告发送给控制器，控制器根据上述测量报告来确定终端处于第二基站的覆盖区域，或者也可以由控制器自行判断出终端处于第二基站的覆盖区域。
结合第二方面，在第二方面的第二种可能的实现方式中，所述终端根据所述控制信令在共享信道上传输数据，包括：
所述终端在所述共享信道上接收所述第一基站和/或所述第二基站发送的下行数据；和/或，
所述终端在所述共享信道上向所述第一基站和/或所述第二基站发送上行数据。
在本发明实施例中，终端可以第一基站以及第二基站都进行数据传输，该数据传输可以是指上行传输以及下行传输，可以提高数据的传输效率。
结合第二方面的第一种可能或第二种可能的实现方式，在第二方面的第三种可能的实现方式中，所述控制器的控制功能由所述第一基站执行；或，
当所述终端处于所述第一基站的覆盖区域时，由所述第一基站执行所述控制器的控制功能，当所述终端处于所述第二基站的覆盖区域时，由所述第二基站执行所述控制器的控制功能。
在本发明实施例中，控制器可以有多种实现方式，可以由第一基站来实现，控制器也可以通过分布式的方式来实现，随着终端的不断移动，可以由第一基站和第二基站分别来执行控制器的控制功能，控制器的部署实现很灵活。
第三方面，本发明实施例还提供一种终端的切换方法，包括：
基站从控制器接收终端的无线标识和所述控制器配置的控制信道资源，其中，所述基站是：第一基站和/或第二基站；
所述基站使用所述控制信道资源向所述终端发送控制信令；
所述基站通过所述基站和所述终端之间的共享信道传输数据。
本发明实施例中控制器为终端分配该终端在第一基站和该终端切换到的第二基站都可以使用的终端标识和控制信道资源，当终端处于第一基站的覆盖区域时，控制器将配置给终端的无线标识和控制信道资源同样发送给第一基站，控制器确定终端处于第二基站的覆盖区域，控制器将配置给终端的无线标识和控制信道资源同样发送给第二基站。因此终端在第一基站和第二基站等这些基站间移动时，终端可以始终使用控制器配置的无线标识和控制信道资源，而不需要重新进行配置，可以节省重配置信令，终端在从第一基站切换到第二基站的过程中数据传输不会中断，数据传输效率很高。
结合第三方面，在第三方面的第一种可能的实现方式中，所述方法还包括：
所述基站接收所述终端发送的测量报告，所述终端发送的测量报告是所述终端按照所述控制器提供的测量配置信息进行信道测量并判断出所述第二基站与所述终端之间的无线信号测量量满足预置的第一信道条件时所述终端发送的，并向所述控制器转发所述终端发送的测量报告；或，
所述基站接收所述终端发送的测量结果，所述终端发送的测量结果是所述终端按照所述控制器提供的测量配置信息进行信道测量后生成的，所述基站根据所述测量结果判断出所述基站与所述终端之间的无线信号测量量满足预置的第二信道条件时向所述控制器发送测量报告；或，
所述基站对所述终端发送的位置跟踪信号进行信道测量后生成测量结果，并向所述控制器发送所述基站生成的测量结果；或，
所述基站对所述终端发送的位置跟踪信号进行信道测量，所述基站判断出所述基站与所述终端之间的无线信道测量量满足预置的第四信道条件时，所述基站向所述控制器发送所述基站生成的测量报告。
在本发明实施例中，控制器可以通过多种可行的方式来确定终端处于第二基站的覆盖区域，在上述可行的方式中，可以终端将自己生成的测量报告通过 基站发送给控制器，也可以由基站将自己生成的测量报告发送给控制器，控制器根据上述测量报告来确定终端处于第二基站的覆盖区域，或者也可以由控制器自行判断出终端处于第二基站的覆盖区域。
结合第三方面或第三方面的第一种可能的实现方式，在第三方面的第二种可能的实现方式中，所述方法还包括：
当所述基站为所述第一基站时，由所述第一基站执行所述控制器的控制功能；或，
当所述终端处于所述第一基站的覆盖区域时，由所述第一基站执行所述控制器的控制功能，当所述终端处于所述第二基站的覆盖区域时，所述第一基站向所述第二基站发送控制功能移动指令，所述控制功能移动指令包括：所述终端的配置上下文。
在本发明实施例中，控制器可以有多种实现方式，可以由第一基站来实现，控制器也可以通过分布式的方式来实现，随着终端的不断移动，可以由第一基站和第二基站分别来执行控制器的控制功能，控制器的部署实现很灵活。
第四方面，本发明实施例还提供一种控制器，包括：收发模块和终端位置确定模块，其中，
所述收发模块，用于将所述控制器配置的终端的无线标识和控制信道资源发送给所述终端；当所述终端处于第一基站的覆盖区域时，将所述终端的无线标识和所述控制信道资源发送给所述第一基站；
所述终端位置确定模块，用于确定所述终端处于第二基站的覆盖区域；
所述收发模块，还用于将所述终端的无线标识和所述控制信道资源发送给所述第二基站，以便于通过所述控制信道资源，从所述第一基站和所述第二基站分别发出的控制信令被所述终端接收到。
在本发明实施例中，控制器为终端分配该终端在第一基站和该终端切换到的第二基站都可以使用的终端标识和控制信道资源，当终端处于第一基站的覆盖区域时，控制器将配置给终端的无线标识和控制信道资源同样发送给第一基站，控制器确定终端处于第二基站的覆盖区域，控制器将配置给终端的无线标识和控制信道资源同样发送给第二基站。因此终端在第一基站和第二基站等这些基站间移动时，终端可以始终使用控制器配置的无线标识和控制信道资源，而不需要重新进行配置，可以节省重配置信令，终端在从第一基站切换到第二 基站的过程中数据传输不会中断，数据传输效率很高。
结合第四方面，在第四方面的第一种可能的实现方式中，所述收发模块，具体用于将所述终端的无线标识和所述控制信道资源发送给所述终端初始接入的基站，由所述初始接入的基站将所述终端的无线标识和所述控制信道资源发送给所述终端。
在本发明实施例中，终端初始接入基站可以为终端转发终端的无线标识和控制信道资源，终端通过初始接入的基站获取到终端的无线标识和控制信道资源。终端在第一基站和第二基站等这些基站间移动时，终端可以始终使用控制器配置的无线标识和控制信道资源，而不需要重新进行配置，可以节省重配置信令。
结合第四方面，在第四方面的第二种可能的实现方式中，所述收发模块，还用于接收基站转发的来自于终端的测量报告，所述来自于终端的测量报告是所述终端按照所述控制器提供的测量配置信息进行信道测量并由所述终端判断出所述第二基站与所述终端之间的无线信号测量量满足预置的第一信道条件时所述终端发送的，所述终端位置确定模块，具体用于根据所述终端发送的测量报告确定所述终端处于所述第二基站的覆盖区域；或，
所述收发模块，还用于接收所述基站发送的第一测量报告，所述基站发送的第一测量报告是所述基站根据所述终端发送的测量结果判断出所述基站与所述终端之间的无线信号测量量满足预置的第二信道条件时发送的，所述终端发送的测量结果是所述终端按照所述控制器提供的测量配置信息进行信道测量后生成的，所述终端位置确定模块，具体用于根据所述基站发送的测量报告确定所述终端处于所述第二基站的覆盖区域；或，
所述收发模块，还用于接收所述基站发送的测量结果，所述基站发送的测量结果是所述基站对所述终端发送的位置跟踪信号进行信道测量后生成的，所述终端位置确定模块，具体用于根据所述基站发送的测量结果判断出所述第二基站与所述终端之间的无线信号测量量满足预置的第三信道条件，所述控制器确定所述终端处于所述第二基站的覆盖区域；或，
所述收发模块，还用于接收所述基站发送的第二测量报告，所述基站发送的第二测量报告是所述基站对所述终端发送的位置跟踪信号进行信道测量并判断出所述基站与所述终端之间的无线信道测量量满足预置的第四信道条件 时发送的，所述终端位置确定模块，具体用于根据所述基站发送的测量报告确定所述终端处于所述第二基站的覆盖区域；
其中，所述基站是：所述第一基站和/或所述第二基站。
在本发明实施例中，控制器可以通过多种可行的方式来确定终端处于第二基站的覆盖区域，在上述可行的方式中，可以终端将自己生成的测量报告通过基站发送给控制器，也可以由基站将自己生成的测量报告发送给控制器，控制器根据上述测量报告来确定终端处于第二基站的覆盖区域，或者也可以由控制器自行判断出终端处于第二基站的覆盖区域。
结合第四方面，在第四方面的第三种可能的实现方式中，所述收发模块，还用于接收网关发送的数据传输状态信息，所述数据传输状态信息包括如下信息中的至少一种：所述网关和所述第一基站之间的数据传输状态、所述网关和所述第二基站之间的数据传输状态；当所述控制器确定所述网关和所述第一基站之间的数据传输状态不符合预置的传输条件时，向所述网关或所述第一基站发送拆除指令，由所述网关或所述第一基站拆除所述网关和所述第一基站之间的传输通道。
在本发明实施例中，控制器向网关或第一基站发送通道拆除指令，由网关或第一基站拆除网关和第一基站之间的传输通道，通过将闲置的传输通道拆除，可以提高数据的传输效率。
结合第四方面或第四方面的第一种可能或第二种可能或第三种可能的实现方式，在第四方面的第四种可能的实现方式中，所述控制器的控制功能由所述第一基站执行；或，
当所述终端处于所述第一基站的覆盖区域时，由所述第一基站执行所述控制器的控制功能，当所述终端处于所述第二基站的覆盖区域时，由所述第二基站执行所述控制器的控制功能。
在本发明实施例中，控制器可以有多种实现方式，可以由第一基站来实现，控制器也可以通过分布式的方式来实现，随着终端的不断移动，可以由第一基站和第二基站分别来执行控制器的控制功能，控制器的部署实现很灵活。
第五方面，本发明实施例还提供一种终端，包括：收发模块和数据传输模块，其中，
所述收发模块，用于从控制器接收所述终端的无线标识和所述控制器配置 的控制信道资源；根据所述控制信道资源接收基站发送的控制信令，其中，所述基站是：第一基站和/或第二基站；
所述数据传输模块，用于根据所述控制信令在共享信道上传输数据，所述共享信道为所述基站和所述终端之间配置的传输信道。
本发明实施例中控制器为终端分配该终端在第一基站和该终端切换到的第二基站都可以使用的终端标识和控制信道资源，当终端处于第一基站的覆盖区域时，控制器将配置给终端的无线标识和控制信道资源同样发送给第一基站，控制器确定终端处于第二基站的覆盖区域，控制器将配置给终端的无线标识和控制信道资源同样发送给第二基站。因此终端在第一基站和第二基站等这些基站间移动时，终端可以始终使用控制器配置的无线标识和控制信道资源，而不需要重新进行配置，可以节省重配置信令，终端在从第一基站切换到第二基站的过程中数据传输不会中断，数据传输效率很高。
结合第五方面，在第五方面的第一种可能的实现方式中，所述终端还包括：测量处理模块，其中，
所述测量处理模块，用于根据所述控制器提供的测量配置信息进行信道测量，根据生成的测量结果判断所述第二基站与所述终端之间的无线信号测量量是否满足预置的第一信道条件，所述收发模块，还用于当所述第二基站与所述终端之间的无线信号测量量满足预置的第一信道条件时，通过所述基站向所述控制器发送测量报告；或，
所述测量处理模块，用于根据所述控制器提供的测量配置信息进行信道测量，所述收发模块，还用于向所述基站发送所述终端生成的测量结果；或，
所述收发模块，还用于根据所述控制器提供的信号配置信息发送位置跟踪信号。
在本发明实施例中，控制器可以通过多种可行的方式来确定终端处于第二基站的覆盖区域，在上述可行的方式中，可以终端将自己生成的测量报告通过基站发送给控制器，也可以由基站将自己生成的测量报告发送给控制器，控制器根据上述测量报告来确定终端处于第二基站的覆盖区域，或者也可以由控制器自行判断出终端处于第二基站的覆盖区域。
结合第五方面，在第五方面的第二种可能的实现方式中，所述数据传输模块，具体用于在所述共享信道上接收所述第一基站和/或所述第二基站发送的 下行数据；和/或，在所述共享信道上向所述第一基站和/或所述第二基站发送上行数据。
在本发明实施例中，终端可以第一基站以及第二基站都进行数据传输，该数据传输可以是指上行传输以及下行传输，可以提高数据的传输效率。
结合第五方面的第一种可能或第二种可能的实现方式，在第五方面的第三种可能的实现方式中，所述控制器的控制功能由所述第一基站执行；或，
当所述终端处于所述第一基站的覆盖区域时，由所述第一基站执行所述控制器的控制功能，当所述终端处于所述第二基站的覆盖区域时，由所述第二基站执行所述控制器的控制功能。
在本发明实施例中，控制器可以有多种实现方式，可以由第一基站来实现，控制器也可以通过分布式的方式来实现，随着终端的不断移动，可以由第一基站和第二基站分别来执行控制器的控制功能，控制器的部署实现很灵活。
第六方面，本发明实施例还提供一种基站，所述基站具体为第一基站和/或第二基站，所述基站包括：收发模块和数据传输模块，其中，
所述收发模块，用于从控制器接收终端的无线标识和所述控制器配置的控制信道资源；使用所述控制信道资源向所述终端发送控制信令；
所述数据传输模块，用于通过所述基站和所述终端之间的共享信道传输数据。
本发明实施例中控制器为终端分配该终端在第一基站和该终端切换到的第二基站都可以使用的终端标识和控制信道资源，当终端处于第一基站的覆盖区域时，控制器将配置给终端的无线标识和控制信道资源同样发送给第一基站，控制器确定终端处于第二基站的覆盖区域，控制器将配置给终端的无线标识和控制信道资源同样发送给第二基站。因此终端在第一基站和第二基站等这些基站间移动时，终端可以始终使用控制器配置的无线标识和控制信道资源，而不需要重新进行配置，可以节省重配置信令，终端在从第一基站切换到第二基站的过程中数据传输不会中断，数据传输效率很高。
结合第六方面，在第六方面的第一种可能的实现方式中，所述基站还包括：信道测量模块和判断模块，其中，
所述收发模块，还用于接收所述终端发送的测量报告，所述终端发送的测 量报告是所述终端按照所述控制器提供的测量配置信息进行信道测量并判断出所述第二基站与所述终端之间的无线信号测量量满足预置的第一信道条件时所述终端发送的，并向所述控制器转发所述终端发送的测量报告；或，
所述收发模块，还用于接收所述终端发送的测量结果，所述终端发送的测量结果是所述终端按照所述控制器提供的测量配置信息进行信道测量后生成的，所述判断模块，用于根据所述测量结果判断出所述基站与所述终端之间的无线信号测量量满足预置的第二信道条件，所述收发模块，还用于向所述控制器发送测量报告；或，
所述信道测量模块，用于对所述终端发送的位置跟踪信号进行信道测量后生成测量结果，所说收发模块，还用于向所述控制器发送所述基站生成的测量结果；或，
所述信道测量模块，还用于对所述终端发送的位置跟踪信号进行信道测量，所述判断模块，还用于判断出所述基站与所述终端之间的无线信道测量量满足预置的第四信道条件，所述收发模块，还用于向所述控制器发送所述基站生成的测量报告。
在本发明实施例中，控制器可以通过多种可行的方式来确定终端处于第二基站的覆盖区域，在上述可行的方式中，可以终端将自己生成的测量报告通过基站发送给控制器，也可以由基站将自己生成的测量报告发送给控制器，控制器根据上述测量报告来确定终端处于第二基站的覆盖区域，或者也可以由控制器自行判断出终端处于第二基站的覆盖区域。
结合第六方面或第六方面的第一种可能的实现方式，在第六方面的第二种可能的实现方式中，当所述基站为所述第一基站时，由所述第一基站执行所述控制器的控制功能；或，
当所述终端处于所述第一基站的覆盖区域时，由所述第一基站执行所述控制器的控制功能，当所述终端处于所述第二基站的覆盖区域时，所述第一基站向所述第二基站发送控制功能移动指令，所述控制功能移动指令包括：所述终端的配置上下文。
在本发明实施例中，控制器可以有多种实现方式，可以由第一基站来实现，控制器也可以通过分布式的方式来实现，随着终端的不断移动，可以由第一基站和第二基站分别来执行控制器的控制功能，控制器的部署实现很灵活。
第七方面，本发明实施例还提供一种控制器，包括：接收器、发射器、处理器和存储器，其中，
所述处理器用于执行前述第一方面以及各种可能的实现方式中记载的终端的切换方法。
在本发明实施例中，控制器为终端分配该终端在第一基站和该终端切换到的第二基站都可以使用的终端标识和控制信道资源，当终端处于第一基站的覆盖区域时，控制器将配置给终端的无线标识和控制信道资源同样发送给第一基站，控制器确定终端处于第二基站的覆盖区域，控制器将配置给终端的无线标识和控制信道资源同样发送给第二基站。因此终端在第一基站和第二基站等这些基站间移动时，终端可以始终使用控制器配置的无线标识和控制信道资源，而不需要重新进行配置，可以节省重配置信令，终端在从第一基站切换到第二基站的过程中数据传输不会中断，数据传输效率很高。
第八方面，本发明实施例还提供一种终端，包括：接收器、发射器、处理器和存储器，其中，
所述处理器用于执行前述第二方面以及各种可能的实现方式中记载的终端的切换方法。
本发明实施例中控制器为终端分配该终端在第一基站和该终端切换到的第二基站都可以使用的终端标识和控制信道资源，当终端处于第一基站的覆盖区域时，控制器将配置给终端的无线标识和控制信道资源同样发送给第一基站，控制器确定终端处于第二基站的覆盖区域，控制器将配置给终端的无线标识和控制信道资源同样发送给第二基站。因此终端在第一基站和第二基站等这些基站间移动时，终端可以始终使用控制器配置的无线标识和控制信道资源，而不需要重新进行配置，可以节省重配置信令，终端在从第一基站切换到第二基站的过程中数据传输不会中断，数据传输效率很高。
第九方面，本发明实施例还提供一种基站，包括：接收器、发射器、处理器和存储器，其中，
所述处理器用于执行前述第三方面以及各种可能的实现方式中记载的终端的切换方法。
本发明实施例中控制器为终端分配该终端在第一基站和该终端切换到的 第二基站都可以使用的终端标识和控制信道资源，当终端处于第一基站的覆盖区域时，控制器将配置给终端的无线标识和控制信道资源同样发送给第一基站，控制器确定终端处于第二基站的覆盖区域，控制器将配置给终端的无线标识和控制信道资源同样发送给第二基站。因此终端在第一基站和第二基站等这些基站间移动时，终端可以始终使用控制器配置的无线标识和控制信道资源，而不需要重新进行配置，可以节省重配置信令，终端在从第一基站切换到第二基站的过程中数据传输不会中断，数据传输效率很高。
第十方面，本发明实施例还提供一种用于终端切换的***芯片，包括：通信接口、总线，处理器和存储器，所述芯片通过通信接口和外部进行交互，所述通信接口通过总线和所述处理器和存储器相通信，所述存储器存储有所述终端切换方法所需的源程序代码，其中，
所述处理器用于调用所述存储器存储的代码，执行前述第一方面以及各种可能的实现方式中由控制器执行的终端的切换方法。
第十一方面，本发明实施例还提供一种用于终端切换的***芯片，包括：通信接口、总线，处理器和存储器，所述芯片通过通信接口和外部进行交互，所述通信接口通过总线和所述处理器和存储器相通信，所述存储器存储有所述终端切换方法所需的源程序代码，其中，
所述处理器用于调用所述存储器存储的代码，执行前述第二方面以及各种可能的实现方式中由终端执行的终端的切换方法。
第十二方面，本发明实施例还提供一种用于终端切换的***芯片，包括：通信接口、总线，处理器和存储器，所述芯片通过通信接口和外部进行交互，所述通信接口通过总线和所述处理器和存储器相通信，所述存储器存储有所述终端切换方法所需的源程序代码，其中，
所述处理器用于调用所述存储器存储的代码，执行前述第三方面以及各种可能的实现方式中由基站执行的终端的切换方法。
第十三方面，本发明实施例还提供一种计算机程序，用于执行前述第一方面以及各种可能的实现方式中记载的终端的切换方法。
第十四方面，本发明实施例还提供一种计算机程序，用于执行前述第二方面以及各种可能的实现方式中记载的终端的切换方法。
第十五方面，本发明实施例还提供一种计算机程序，用于执行前述第三方面以及各种可能的实现方式中记载的终端的切换方法。
第十六方面，本发明实施例还提供一种终端的切换***，包括：如前述第四方面中任意一项所述的控制器、如前述第五方面中任意一项所述的终端、如前述第六方面中任意一项所述的基站，所述基站是：第一基站和/或第二基站
第十七方面，本发明实施例还提供一种终端的切换***，包括：如前述第七方面中任意一项所述的控制器、如前述第八方面中任意一项所述的终端、如前述第九方面中任意一项所述的基站，所述基站是：第一基站和/或第二基站。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域的技术人员来讲，还可以根据这些附图获得其他的附图。
图1-a为本发明实施例提供的终端的切换方法的一种部署架构示意图；
图1-b为本发明实施例提供的终端的切换方法的另一种部署架构示意图；
图2为本发明实施例提供的一种终端的切换方法的流程方框示意图；
图3为本发明实施例提供的另一种终端的切换方法的流程方框示意图；
图4为本发明实施例提供的另一种终端的切换方法的流程方框示意图；
图5-a为本发明实施例提供的一种终端的切换方法的应用场景示意图；
图5-b为本发明实施例提供的另一种终端的切换方法的应用场景示意图；
图6为本发明实施例提供的一种控制器的组成结构示意图；
图7-a为本发明实施例提供的一种终端的组成结构示意图；
图7-b为本发明实施例提供的另一种终端的组成结构示意图；
图8-a为本发明实施例提供的一种基站的组成结构示意图；
图8-b为本发明实施例提供的另一种基站的组成结构示意图；
图9为本发明实施例提供的另一种控制器的组成结构示意图；
图10为本发明实施例提供的另一种终端的组成结构示意图；
图11为本发明实施例提供的另一种基站的组成结构示意图；
图12为本发明实施例提供的另一种控制器的组成结构示意图；
图13为本发明实施例提供的另一种终端的组成结构示意图；
图14为本发明实施例提供的另一种基站的组成结构示意图；
图15为本发明实施例提供的一种终端的切换***的组成结构示意图。
具体实施方式
本发明实施例提供了一种终端的切换方法和控制器、终端、基站以及***，用于在数据传输不中断的情况下完成终端的切换，且数据传输效率很高。
为使得本发明的发明目的、特征、优点能够更加的明显和易懂，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，下面所描述的实施例仅仅是本发明一部分实施例，而非全部实施例。基于本发明中的实施例，本领域的技术人员所获得的所有其他实施例，都属于本发明保护的范围。
本发明的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的术语在适当情况下可以互换，这仅仅是描述本发明的实施例中对相同属性的对象在描述时所采用的区分方式。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，以便包含一系列单元的过程、方法、***、产品或设备不必限于那些单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它单元。
本发明实施例提供的终端的切换方法主要应用于无线通信***，包括但不限于LTE***、高级长期演进(英文全称：Long Term Evolution-Advanced，英文简称：LTE-A)***、无线局域网(英文名称：Wireless Fidelity，英文简称：WIFI)***、全球微波互联接入(英文名称：Worldwide Interoperability for Microwave Access，英文简称：WiMAX)***、***移动通信(英文名称：4G)***、4G演进***和第五代移动通信(英文名称：5G)***。本发明实施例提供的基站具体可以为第二代移动通信(英文名称：2G)基站，第三代移动通信(英文名称：3G)基站，LTE***中的基站(英文名称：Evolved NodeB，英文简称：eNB)、家庭演进型基站(英文名称：Home evolved Node B，英文简称：HeNB)、中继(英文名称：Relay)、毫微微(英文名称：Femto)基站、 微微(英文名称：Pico)基站、WIFI***中的接入点(英文名称：Access Point，英文简称：AP)、5G***中的基站。本发明实施例提供的终端具体为用户设备(英文名称：User Equipment，英文简称：UE)、客户终端设备(英文名称：Customer Premise Equipment，英文简称：CPE)、WIFI***中的站(英文名称：Station，英文简称：STA)和5G终端。
首先对本发明实施例提供的终端的切换方法的部署架构进行举例说明，如图1-a和图1-b所示，图1-a为本发明实施例提供的终端的切换方法的一种部署架构示意图，图1-b为本发明实施例提供的终端的切换方法的另一种部署架构示意图。图1-a和图1-b分别表示了本发明实施例提供的两种典型的部署场景，图1-a中在一个宏基站覆盖下，部署了多个小基站，终端在小基站间可以移动，同时可以接收到宏基站的无线信号。图1-a中，终端直接和宏基站通信，宏基站直接向终端发送控制信令，用于配置终端的无线资源参数。终端和多个小基站建立有数据连接，终端通过数据连接收发数据，宏基站和小基站之间通过接口相连。图1-b和图1-a的区别在于是否存在宏基站覆盖，当没有宏基站存在的场景时如图1-b所示，例如室内场景中，控制信令和数据连接都通过小基站进行发送，可以由其中的一个或几个小基站一起发送。图1-a和图1-b中，控制信令都是由一个集中式控制器管理和生成，并连接至多个小基站，图1-a中该集中式控制器的控制功能可以是宏基站的一部分，集中式控制器可以设置在宏基站中，通过宏基站的控制功能来实现集中式控制器。图1-b中该集中式控制器是一独立的控制器。需要说明的是，图1-a和图1-b中均没有示意出网关，在本发明实施例中网关可以和控制器连接。
接下来分别从控制器、终端、基站来说明本发明实施例提供的终端的切换方法，以下分别进行详细说明。
请参阅图2所示，本发明一个实施例提供的终端的切换方法，从控制器侧进行详细说明，该控制器可以执行如下步骤：
201、控制器将控制器配置的终端的无线标识和控制信道资源发送给终端。
在本发明实施例中，终端初始接入移动网络中，例如终端通过空口接入网络，经过鉴权，业务请求等流程后接入到移动网络中。当终端接入到网络之后，以终端停留在第一基站为例，控制器为该终端分配一个资源池，该资源池包括以下内容之一：终端的无线标识信息、控制信道资源，该控制信道资源可以包 括：下行控制信道和/或信号资源，上行控制信道和/或信号资源。不限制的是，控制器为终端配置的资源池还可以包括：小区配置信息。例如，控制器可以配置该终端附近的多个基站的小区配置信息。需要说明的是，在本发明实施例中，控制器为该终端分配的资源池在该终端附近的多个基站内均有效，即控制器为该终端配置的是通用的资源池信息，因此终端是不需要区分第一基站还是第二基站，终端均可以使用控制器配置的资源池。
在本发明的一些实施例中，步骤201控制器将控制器配置的终端的无线标识和控制信道资源发送给终端，具体包括如下步骤：控制器将终端的无线标识和控制信道资源发送给终端初始接入的基站，由初始接入的基站将终端的无线标识和控制信道资源发送给终端。
其中，当终端初始接入移动网络之后，控制器将终端的无线标识和控制信道资源发送给终端初始接入的基站，再由初始接入的基站将终端的无线标识和控制信道资源发送给终端。例如，终端初始接入的基站可以是第一基站，也可以是该终端进入第一基站的覆盖区域之前所在的另一个基站，具体实现方式不做限定。需要说明的是，本发明实施例中，控制器为终端配置的无线标识和控制信道资源是在终端初始接入移动网络时就已经配置给了该终端，当终端在多个基站间或小区间移动时，可以始终使用一个资源池，该资源池包括前述的无线标识和控制信道资源，而不需要重新进行配置，从而可以节省重配置信令，使得终端从一个基站移动到另个一个基站或从一个小区移动至另一小区时，无需等待新的配置，对终端来说可以是透明的或者是无感知的，终端初始接入的基站将终端的无线标识和控制信道资源发送给终端，后续无论终端切换到哪个基站，均不需要重新进行资源池配置。
202、当终端处于第一基站的覆盖区域时，控制器将终端的无线标识和控制信道资源发送给第一基站。
在本发明实施例中，当终端移动至第一基站的覆盖区域时，控制器将该控制器配置的、且已经发送给终端的无线标识和控制信道资源同样发送给第一基站。例如，控制器从资源池中获取到分配给第一基站的终端的无线标识和控制信道资源并向第一基站发送。另外，控制器和网关建立有连接，控制器可以获取到网关的传输配置信息，例如，该传输配置信息可以包括：网关的互联网协议(英文名称：Internet Protocol，英文简称：IP)地址和网关的隧道信息，本 发明的一些实施例中，控制器还可以向第一基站发送网关的传输配置信息，则网关和第一基站可以建立网关和第一基站之间的传输通道，网关和第一基站建立传输通道的过程可以参阅现有技术，此处不再赘述。
在本发明实施例中，网关和第一基站之间建有传输通道，第一基站获取到控制器分配的终端的无线标识和控制信道资源，则第一基站可以使用上述控制信道资源向终端发送控制信令，该控制信令可以是共享信道的调度信息，以指示终端在共享信道上传输数据。
203、控制器确定终端处于第二基站的覆盖区域，然后控制器将终端的无线标识和控制信道资源发送给第二基站，以便于通过控制信道资源，从第一基站和第二基站分别发出的控制信令被终端接收到。
在本发明实施例中，由步骤202可知，终端通过第一基站可以和网关之间进行通信，终端可以通过第一基站接收来自网关的下行数据，终端也可以通过第一基站向网关发送上行数据。由于终端的可移动性，终端在和网关通信的过程种终端可能发生移动，例如终端从第一基站向第二基站移动，本发明实施例中控制器先确定终端进入第二基站的覆盖区域内，然后控制器将该控制器配置的、且已经发送给终端的无线标识和控制信道资源同样发送给第二基站。例如，控制器从资源池中获取到分配给第二基站的终端的无线标识和控制信道资源并向第一基站发送。为了避免第一基站和第二基站都调度终端时导致的控制信道冲突，控制器分别发送给第一基站和第二基站的控制信道资源是不冲突的，例如控制器发送给第一基站和第二基站的控制信道资源可以是频分复用的。另外，在本发明的一些实施例中，控制器和网关建立有连接，控制器可以获取到网关的传输配置信息，控制器还可以向第二基站发送网关的传输配置信息，则网关和第二基站可以建立网关和第二基站之间的传输通道，网关和第二基站建立传输通道的过程可以参阅现有技术，此处不再赘述。
在本发明实施例中，网关和第二基站之间建立有传输通道，第二基站获取到控制器分配的控制信道资源，则第二基站可以使用控制信道资源向终端发送控制信令，该控制信令可以是共享信道的调度信息，以指示终端在共享信道上传输数据。
在本发明实施例中，终端从第一基站移动到第二基站，由于终端在初始接入时已经从控制器接收到了终端的无线标识和控制信道资源，对于终端来说从 第一基站移动到第二基站是无感知的，控制器可以确定终端是否进入第二基站的覆盖区域内，并在终端进入第二基站的覆盖区域之后，控制器还可以触发网关来建立网关和第二基站之间的传输通道，该传输通道建立完成后就可以用于该终端和网关通过第二基站进行通信了。
在本发明实施例中，控制器可以是移动网络中的一个单独控制设备，该控制器和第一基站、第二基站都建立有连接，例如，该控制器可以部署在图1-a中所示的宏基站上，或者该控制器可以为图1-b中所示的控制器。在本发明的另一些实施例中，控制器的控制功能可以由第一基站执行，即可以由第一基站来执行为终端发送终端的无线标识和控制信道资源。在本发明的另一些实施例中，控制器可以为控制器为分布式控制器，即分布式控制器可以部署在第一基站或者第二基站上，具体的，当终端处于第一基站的覆盖区域时，由第一基站执行控制器的控制功能，当终端处于第二基站的覆盖区域时，由第二基站执行控制器的控制功能。依此方式，当终端处于哪个基站的覆盖区域时，就可以由哪个基站来执行控制器的控制功能。因此控制器的控制功能是可以移动的，当终端从第一基站切换到第二基站时，第一基站可以向第二基站发送控制器移动指令，该控制器移动指令包括：终端的配置上下文。例如，该终端的配置上下文可以包括：终端的无线标识信息和终端的无线配置信息，在不同的实现方式下终端的配置上下文可以根据需要来灵活配置，具体此处不做限定。
需要说明的是，在本发明实施例中，第二基站是处于终端所在位置的预置范围内除第一基站以外的基站，例如，第二基站可以是第一基站附近的邻居基站，第二基站也可以是按照终端所在位置来确定的周围的基站，由于终端在移动时总是从该终端所在的第一基站向第一基站的相邻基站来移动，因此控制器在终端初始接入网络时就将终端可能切换到的所有基站的配置信息以及这些基站可能用到的控制信道资源都配置给终端，那么终端就可以获取到该终端所在位置附近的所有基站的配置情况以及使用的资源情况，即使终端发生移动，从一个基站切换到另一个基站，终端也无需重新获取控制信道资源。
在本发明的一些实施例中，上述步骤203中的控制器确定终端处于第二基站的覆盖区域，可包括如下步骤：
A1、控制器接收基站转发的来自于终端的测量报告，来自于终端的测量报告是终端按照控制器提供的测量配置信息进行信道测量并由终端判断出第 二基站与终端之间的无线信号测量量满足预置的第一信道条件时终端发送的，控制器根据终端发送的测量报告确定终端处于第二基站的覆盖区域；或，
A2、控制器接收基站发送的第一测量报告，基站发送的第一测量报告是基站根据终端发送的测量结果判断出基站与终端之间的无线信号测量量满足预置的第二信道条件时发送的，终端发送的测量结果是终端按照控制器提供的测量配置信息进行信道测量后生成的，控制器根据基站发送的测量报告确定终端处于第二基站的覆盖区域；或，
A3、控制器接收基站发送的测量结果，基站发送的测量结果是基站对终端发送的位置跟踪信号进行信道测量后生成的，控制器根据基站发送的测量结果判断出第二基站与终端之间的无线信号测量量满足预置的第三信道条件，控制器确定终端处于第二基站的覆盖区域；或，
A4、控制器接收基站发送的第二测量报告，基站发送的第二测量报告是基站对终端发送的位置跟踪信号进行信道测量并判断出基站与终端之间的无线信道测量量满足预置的第四信道条件时发送的，控制器根据基站发送的测量报告确定终端处于第二基站的覆盖区域；
其中，基站是：第一基站和/或第二基站。
接下来分别对步骤A1、步骤A2、步骤A3、步骤A4中记载的控制器确定终端处于第二基站的覆盖区域的几种可能的实现方式进行详细说明。
在步骤A1中，控制器提供测量配置信息，终端可以按照该测量配置信息进行信道测量，然后终端对第二基站与终端之间的无线信号测量量进行判断，判断出第二基站与终端之间的无线信号测量量是否满足预置的第一信道条件，当满足该第一信道条件时终端向基站(即第一基站和/或第二基站)发送测量报告，该测量报告具体可以为：信道质量指示(英文名称：Channel Quality Indicator，英文简称：CQI)测量信息，基站再将接收到的测量报告转发给控制器，控制器可以根据终端发送的测量报告确定终端处于第二基站的覆盖区域。其中，第一信道条件的具体配置可以结合具体的应用场景来实现，此处不做限定。
在步骤A2中，控制器提供测量配置信息，终端可以按照该测量配置信息进行信道测量，然后终端将测量结果发送给基站(例如可以是第一基站和/或第二基站)，基站接收到终端发送的测量结果之后，基站可以对基站与终端之 间的无线信号测量量进行判断，判断出基站与终端之间的无线信号测量量是否满足预置的第二信道条件，例如，第一基站可以对第一基站与终端之间的无线信号测量量进行判断，第二基站也可以对第二基站与终端之间的无线信号测量量进行判断。当满足该第二信道条件时基站将测量报告发送给控制器，控制器可以根据基站发送的测量报告确定终端处于第二基站的覆盖区域。其中，第二信道条件的具体配置可以结合具体的应用场景来实现，此处不做限定。
在步骤A3中，终端发送位置跟踪信号，该位置跟踪信号具体可以为：探测参考信号(英文名称：Sounding Reference Signal，英文简称：SRS)或者发现(英文名称：Discovery)信号。基站可以对终端发送的位置跟踪信号进行信道测量并生成测量结果，然后基站向控制器发送测量结果，控制器根据基站生成的测量结果对第二基站与终端之间的无线信号测量量进行判断，判断出第二基站与终端之间的无线信号测量量是否满足预置的第三信道条件，当满足该第三信道条件时控制器确定终端处于第二基站的覆盖区域。其中，第三信道条件的具体配置可以结合具体的应用场景来实现，此处不做限定。
在步骤A4中，终端发送位置跟踪信号，基站可以对终端发送的位置跟踪信号进行信道测量并生成测量结果，然后基站根据该测量结果对基站与终端之间的无线信号测量量进行判断，判断出该基站与终端之间的无线信号测量量是否满足预置的第四信道条件，例如，第一基站可以对第一基站与终端之间的无线信号测量量进行判断，第二基站也可以对第二基站与终端之间的无线信号测量量进行判断。当满足该第四信道条件时基站将测量报告发送给控制器，控制器可以根据基站发送的测量报告确定终端处于第二基站的覆盖区域。其中，第四信道条件的具体配置可以结合具体的应用场景来实现，此处不做限定。
在本发明的一些实施例中，本发明提供的终端的切换方法还可以包括如下步骤：
B1、控制器接收网关发送的数据传输状态信息，数据传输状态信息包括如下信息中的至少一种：网关和第一基站之间的数据传输状态、网关和第二基站之间的数据传输状态；
B2、当控制器确定网关和第一基站之间的数据传输状态不符合预置的传输条件时，控制器向网关或第一基站发送拆除指令，由网关或第一基站拆除网关和第一基站之间的传输通道。
其中，网关和终端可以通过第一基站和第二基站同时进行数据传输，在该数据传输过程中，网关还可以向控制器上报数据传输状态信息，该数据传输状态信息可以指示当前流量、数据传输速率，数据缓冲区大小等，控制器可以根据该数据传输状态信息判断哪条链路的数据传输状态不符合预置的传输条件，例如当终端从第一基站切换到第二基站之后，终端通过第一基站和网关之间的数据传输量就会减少或者没有数据量传输，在这种情况下，网关和第一基站之间的数据传输状态不符合预置的传输条件，控制器向网关或第一基站发送通道拆除指令，由网关或第一基站拆除网关和第一基站之间的传输通道，通过将闲置的传输通道拆除，可以提高数据的传输效率。
通过前述举例对本发明的描述可知，控制器配置终端的无线标识和控制信道资，然后控制器将配置的终端的无线标识和控制信道资发送给终端，当终端处于第一基站的覆盖区域时，控制器将终端的无线标识和控制信道资源发送给第一基站，控制器确定终端处于第二基站的覆盖区域，然后控制器将终端的无线标识和控制信道资源发送给第二基站，以便于通过控制信道资源，从第一基站和第二基站分别发出的控制信令被终端接收到。本发明实施例中控制器为终端分配该终端在第一基站和该终端切换到的第二基站都可以使用的终端标识和控制信道资源，当终端处于第一基站的覆盖区域时，控制器将配置给终端的无线标识和控制信道资源同样发送给第一基站，控制器确定终端处于第二基站的覆盖区域，控制器将配置给终端的无线标识和控制信道资源同样发送给第二基站。因此终端在第一基站和第二基站等这些基站间移动时，终端可以始终使用控制器配置的无线标识和控制信道资源，而不需要重新进行配置，可以节省重配置信令，终端在从第一基站切换到第二基站的过程中数据传输不会中断，数据传输效率很高。
上述实施例从控制器侧介绍了本发明实施例提供的终端的切换方法，接下来从终端侧介绍本发明实施例提供的终端的切换方法，如图3所示，本发明实施例提供的终端的切换方法，可以包括如下步骤：
301、终端从控制器接收终端的无线标识信息和控制器配置的控制信道资源。
在本发明实施例中，控制器可以为终端分配资源池，控制器向终端发送终 端的无线标识信息和控制器配置的控制信道资源。例如，控制器可以向终端发送用户面节点配置信息，则终端通过该用户面节点配置信息可以获取到终端的无线标识信息和控制器配置的控制信道资源。其中，终端的无线标识信息具体可以终端的小区无线网络临时标识(英文名称：Cell Radio Network Temporary Identifier，英文简称：CRNTI)，也可以指的是终端的其它标识，此处不做限定。
在本发明实施例中，控制器可以是移动网络中的一个单独控制设备，该控制器和第一基站、第二基站都建立有连接，例如，该控制器可以部署在图1-a中所示的宏基站上，或者该控制器可以为图1-b中所示的控制器。在本发明的另一些实施例中，控制器的控制功能可以由第一基站执行，即可以由第一基站来执行为终端发送终端的无线标识和控制信道资源。在本发明的另一些实施例中，控制器可以为控制器为分布式控制器，即分布式控制器可以部署在第一基站或者第二基站上，具体的，当终端处于第一基站的覆盖区域时，由第一基站执行控制器的控制功能，当终端处于第二基站的覆盖区域时，由第二基站执行控制器的控制功能。依此方式，当终端处于哪个基站的覆盖区域时，就可以由哪个基站来执行控制器的控制功能。因此控制器的控制功能是可以移动的，当终端从第一基站切换到第二基站时，第一基站可以向第二基站发送控制器移动指令，该控制器移动指令包括：终端的配置上下文。例如，该终端的配置上下文可以包括：终端的无线标识信息和终端的无线配置信息，在不同的实现方式下终端的配置上下文可以根据需要来灵活配置，具体此处不做限定。
在本发明的一些实施例中，本发明提供的终端的切换方法还可以包括如下步骤：
C1、终端根据控制器提供的测量配置信息进行信道测量，根据生成的测量结果判断第二基站与终端之间的无线信号测量量是否满足预置的第一信道条件，当第二基站与终端之间的无线信号测量量满足预置的第一信道条件时，终端通过基站向控制器发送测量报告；或，
C2、终端根据控制器提供的测量配置信息进行信道测量，并向基站发送终端生成的测量结果；或，
C3、终端根据控制器提供的信号配置信息发送位置跟踪信号。
其中，在步骤C1中，控制器提供测量配置信息，终端可以按照该测量配 置信息进行信道测量，然后终端对第二基站与终端之间的无线信号测量量进行判断，判断出第二基站与终端之间的无线信号测量量是否满足预置的第一信道条件，当满足该第一信道条件时终端向基站(即第一基站和/或第二基站)发送测量报告，该测量报告具体可以为：CQI测量信息，基站再将接收到的测量报告转发给控制器。
在步骤C2中，控制器提供测量配置信息，终端可以按照该测量配置信息进行信道测量，然后终端将测量结果发送给基站(例如可以是第一基站和/或第二基站)。
在步骤C3中，控制器提供信号配置信息，终端可以发送位置跟踪信号，该位置跟踪信号具体可以为：SRS或者Discovery号。
302、终端根据控制信道资源接收基站发送的控制信号，其中，该基站是：第一基站和/或第二基站。
在本发明实施例中，在终端处于第一基站的覆盖区域时网关建立有网关和第一基站之间的传输通道，随着终端从第一基站向第二基站移动，控制器确定终端进入第二基站的覆盖区域之后，网关可以建立网关和第二基站之间的传输通道。第一基站和第二基站都可以使用控制器从资源池中分配的控制信道资源来发送控制信令，只需要保证两个基站使用的控制信道资源不冲突即可，实现两个基站对终端的同时调度，例如，控制器为第一基站和第二基站分配的可以是不同的控制信道资源，因此不会存在控制信道资源的冲突。当终端接收到基站发送的控制信令之后，执行后续步骤303。
303、终端根据控制信令在共享信道上传输数据，该共享信道为基站和终端之间配置的传输信道。
在本发明实施例中，通过步骤302可知，终端可以根据控制信令从基站得到基站和终端之间的共享信道的调度信息，则终端可以使用基站和终端之间的共享信道进行数据传输。例如，在本发明的一些实施例中，步骤303中终端根据控制信令在共享信道上传输数据，具体可包括如下步骤：
D1、终端在共享信道上接收第一基站和/或第二基站发送的下行数据；和/或，
D2、终端在共享信道上向第一基站和/或第二基站发送上行数据。
也就是说，在本发明实施例中的传输数据可以指终端接收下行数据、终端 发送上行数据中的至少一种，具体实现取决于哪个基站发送控制信令以及控制信令指示的资源调度。
通过前述举例对本发明的描述可知，本发明实施例中控制器为终端分配该终端在第一基站和该终端切换到的第二基站都可以使用的终端标识和控制信道资源，当终端处于第一基站的覆盖区域时，控制器将配置给终端的无线标识和控制信道资源同样发送给第一基站，控制器确定终端处于第二基站的覆盖区域，控制器将配置给终端的无线标识和控制信道资源同样发送给第二基站。因此终端在第一基站和第二基站等这些基站间移动时，终端可以始终使用控制器配置的无线标识和控制信道资源，而不需要重新进行配置，可以节省重配置信令，终端在从第一基站切换到第二基站的过程中数据传输不会中断，数据传输效率很高。
上述实施例从控制器侧和终端侧介绍了本发明实施例提供的终端的切换方法，接下来从终端所在的基站侧介绍本发明实施例提供的终端的切换方法，如图4所示，本发明实施例提供的终端的切换方法，可以包括如下步骤：
401、基站从控制器接收终端的无线标识和控制器配置的控制信道资源，该基站是：第一基站和/或第二基站。
在本发明实施例中，控制器可以为终端分配有资源池，控制器向终端发送终端的无线标识信息和控制器你配置的控制信道资源。当终端进入第一基站的覆盖区域，控制器可以向第一基站发送终端的无线标识信息和控制器配置的控制信道资源。。当终端进入第二基站的覆盖区域，控制器可以向第二基站发送终端的无线标识信息和控制器配置的控制信道资源。控制器和网关建立有连接，控制器可以获取到网关的传输配置信息，例如，该传输配置信息可以包括：网关的IP地址和网关的隧道信息，控制器向第一基站发送网关的传输配置信息，则网关可以建立网关和第一基站之间的传输通道，网关建立传输通道的过程可以参阅现有技术，此处不再赘述。控制器还可以向第二基站发送网关的传输配置信息，则网关可以建立网关和第二基站之间的传输通道。
在本发明的一些实施例中，本发明提供的终端的切换方法还可以包括如下步骤：
E1、基站接收终端发送的测量报告，终端发送的测量报告是终端按照控制 器提供的测量配置信息进行信道测量并判断出第二基站与终端之间的无线信号测量量满足预置的第一信道条件时终端发送的，并向控制器转发终端发送的测量报告；或，
E2、基站接收终端发送的测量结果，终端发送的测量结果是终端按照控制器提供的测量配置信息进行信道测量后生成的，基站根据测量结果判断出基站与终端之间的无线信号测量量满足预置的第二信道条件时向控制器发送测量报告；或，
E3、基站对终端发送的位置跟踪信号进行信道测量后生成测量结果，并向控制器发送基站生成的测量结果；或，
E4、基站对终端发送的位置跟踪信号进行信道测量，基站判断出基站与终端之间的无线信道测量量满足预置的第四信道条件时，基站向控制器发送基站生成的测量报告。
接下来分别对步骤E1、步骤E2、步骤E3、步骤E4中记载的控制器确定终端处于第二基站的覆盖区域的几种可能的实现方式进行详细说明。
在步骤E1中，控制器提供测量配置信息，终端可以按照该测量配置信息进行信道测量，然后终端对第二基站与终端之间的无线信号测量量进行判断，判断出第二基站与终端之间的无线信号测量量是否满足预置的第一信道条件，当满足该第一信道条件时终端向基站(即第一基站和/或第二基站)发送测量报告，基站再将接收到的测量报告转发给控制器。
在步骤E2中，控制器提供测量配置信息，终端可以按照该测量配置信息进行信道测量，然后终端将测量结果发送给基站(例如可以是第一基站和/或第二基站)，基站接收到终端发送的测量结果之后，基站可以对基站与终端之间的无线信号测量量进行判断，判断出基站与终端之间的无线信号测量量是否满足预置的第二信道条件，例如，第一基站可以对第一基站与终端之间的无线信号测量量进行判断，第二基站也可以对第二基站与终端之间的无线信号测量量进行判断。当满足该第二信道条件时基站将测量报告发送给控制器。
在步骤E3中，终端发送位置跟踪信号，基站可以对终端发送的位置跟踪信号进行信道测量并生成测量结果，然后基站向控制器发送测量结果。其中，第三信道条件的具体配置可以结合具体的应用场景来实现，此处不做限定。
在步骤E4中，终端发送位置跟踪信号，基站可以对终端发送的位置跟踪 信号进行信道测量并生成测量结果，然后基站根据该测量结果对基站与终端之间的无线信号测量量进行判断，判断出该基站与终端之间的无线信号测量量是否满足预置的第四信道条件，例如，第一基站可以对第一基站与终端之间的无线信号测量量进行判断，第二基站也可以对第二基站与终端之间的无线信号测量量进行判断。当满足该第四信道条件时基站将测量报告发送给控制器。第四信道条件的具体配置可以结合具体的应用场景来实现，此处不做限定。
402、基站使用控制信道资源向终端发送控制信令。
在本发明实施例中，基站从控制器接收到控制器分配给终端的控制信道资源之后，基站可以使用控制信道资源向终端发送控制信令，该控制信令可以是共享信道的调度信息，以指示终端在共享信道上传输数据。
403、基站通过基站和终端之间的共享信道传输数据。
在本发明实施例中，基站和终端建立有共享信道，该共享信道用于传输数据，在本发明实施例中的传输数据可以指终端接收下行数据、终端发送上行数据中的至少一种，具体实现取决于基站发送的控制信令。
在本发明的一些实施例中，当基站为第一基站时，由第一基站执行控制器的控制功能；或，当终端处于第一基站的覆盖区域时，由第一基站执行控制器的控制功能，当终端处于第二基站的覆盖区域时，第一基站向第二基站发送控制功能移动指令，控制功能移动指令包括：终端的配置上下文。
在本发明实施例中，控制器可以为移动网络中的一个单独控制设备，该控制器和第一基站、第二基站都建立有连接，例如，该控制器可以部署在图1-a中所示的宏基站上，或者该控制器可以为图1-b中所示的控制器。在本发明的另一些实施例中，控制器的控制功能可以由第一基站执行，即可以由第一基站来执行为终端发送终端的无线标识和控制信道资源。在本发明的另一些实施例中，控制器可以为控制器为分布式控制器，即分布式控制器可以部署在第一基站或者第二基站上，具体的，当终端处于第一基站的覆盖区域时，由第一基站执行控制器的控制功能，当终端处于第二基站的覆盖区域时，由第二基站执行控制器的控制功能。依此方式，当终端处于哪个基站的覆盖区域时，就可以由哪个基站来执行控制器的控制功能。因此控制器的控制功能是可以移动的，当终端从第一基站切换到第二基站时，第一基站可以向第二基站发送控制器移动指令，该控制器移动指令包括：终端的配置上下文。例如，该终端的配置上下 文可以包括：终端的无线标识信息和终端的无线配置信息，在不同的实现方式下终端的配置上下文可以根据需要来灵活配置，具体此处不做限定。
通过前述举例对本发明的描述可知，本发明实施例中控制器为终端分配该终端在第一基站和该终端切换到的第二基站都可以使用的终端标识和控制信道资源，当终端处于第一基站的覆盖区域时，控制器将配置给终端的无线标识和控制信道资源同样发送给第一基站，控制器确定终端处于第二基站的覆盖区域，控制器将配置给终端的无线标识和控制信道资源同样发送给第二基站。因此终端在第一基站和第二基站等这些基站间移动时，终端可以始终使用控制器配置的无线标识和控制信道资源，而不需要重新进行配置，可以节省重配置信令，终端在从第一基站切换到第二基站的过程中数据传输不会中断，数据传输效率很高。
为便于更好的理解和实施本发明实施例的上述方案，下面举例相应的应用场景来进行具体说明。
请参阅如图5-a和图5-b所示，为本发明实施例中终端的切换方法的两种应用场景示意图，接下来分别进行举例说明。首先请参阅如图5-a所示，以终端具体为UE、第一基站具体为用户面节点1(英文名称：UP node1)、第二基站具体为用户面节点2(英文名称：UP node2)、网关具体为用户面网关(英文全称：User Plane Gateway，英文简称：UP GW)为例，终端可以通过任一无线接入节点接入网络，终端在如图1-a中的小基站下的小区或者宏基站下的小区或者图1-b中的小基站下的小区驻留后，通过空口接入网络，经过鉴权，业务请求等流程之后，执行如下步骤：
S01、控制器向UP node1发送用户面节点配置信息。
S02、控制器向UE发送无线资源控制(英文全称：Radio Resource Control，英文简称：RRC)重配置命令。
S03、UPGW向UPnode1发送下行数据，UPnode1向UE发送增强物理下行控制信道(英文全称：Enhanced Physical Downlink Control Channel，英文简称：EPDCCH)或物理下行共享信道(英文全称：Physical Downlink Shared Channel，英文简称：PDSCH)。
S04、控制器通过如下三种的移动准则中的至少一种确定UE进入UPnode2 的覆盖区域，主要有如下三种实现方式：
ALT1、UE向控制器发送的测量报告。
ALT2、UPnode1向控制器发送测量报告。
ALT3、UPnode2向控制器发送测量报告。
S05、控制器从资源池中向UPnode1分配控制信道资源。
S06、控制器从资源池中向UPnode2分配控制信道资源。
S07、控制器向UPGW发送数据流分配请求。
S08、UPGW将数据流分为两个部分，一个部分发送通过UPnode1发送给UE，另一个部分通过UPnode2发送给UE。
S09、UPGW向控制器发送数据传输状态信息。
S10、控制器向UPnode1发送用户面节点移除指令。
S11、UPnode1向UPGW发送数据回传指令。
在前述的步骤S01至步骤S11中，由控制器分配终端使用一个资源池，该资源池在多个基站内或多个小区内有效。因此终端在这些基站间或小区间移动时，可以始终使用一个资源池，而不需要重新进行配置，从而可以节省重配置信令，使得终端从一个基站移动到另个一个基站或从一个小区移动至另一小区时，无需等待新小区的配置给终端，对终端来说可以是透明的或者是无感知的。在对于上述图1-a和图1-b的两个典型场景下，由于小基站在同一区域内部署可以采用相同或者类似的公共配置，如这些配置可以由控制器管理，如在图1-a所述的场景，宏基站可以广播小基站的公共配置信息，因此终端可以在宏基站获取小基站的配置即可，终端可以从宏站获取多个小基站共同的公共配置信息，对于不同的配置信息，可以由小基站下小区进行广播或者也在宏站进行广播，终端可以通过小基站或小区的标识信息区别不同的公共配置信息。对于图1-b所示的场景，由于控制器没有无线传输能力，因此需要通过各个基站的无线空口统一进行小基站公共配置的发送，多个基站可以再空口进行同步，使用一个相同的小区标识，和图1-a中的宏基站一样，多个基站同步的发送小基站的公共配置信息。终端可以从任一小基站或小基站下的小区获取配置信息。
在前述的步骤S01至步骤S11中，控制器通过专用信令配置，如RRC配置消息，配置终端的无线标识信息如C-RNTI为终端分配资源池，该资源池中的下行控制信道资源可以为EPDCCH资源，该资源池中还可能包括上行控制 信道资源，例如增强物理上行控制信道(英文全称：Enhanced Physical Uplink Control Channel，英文简称：EPUCCH)，该资源池还可以包括：上下行的共享数据信道配置，如时频资源位置。控制器通过空口发送给终端，在图1-a场景中是通过宏基站发送，而在图1-b中通过终端接入的小基站或者终端附近的小基站发送给终端。同时控制器也将上述配置通知到终端当前所在的小基站，也可以同时通知其周围的一些小基站。如在下行调度时，由图5-a中所述，小基站即UP node1通过资源池中下行控制信道资源给终端发送下行控制信令，如发送下行或者上行共享数据信道的调度信息用于指示终端在共享数据信道上接收或者发送数据。
当终端移动至UP node1和UP node2边界时，控制器通过如下方式确定终端进入了UP node2的覆盖区域：
选项一：终端根据控制器配置的测量报告，测得来自UP node2的无线信号测量量满足信号量阈值，如UP node2的无线信号测量量大于UP node1的无线信号测量量3dB时，终端上报测量结果通知控制器，对于图1-b所述场景，测量报告由小基站Up node1转发至控制器。
选项二，UP node1可以根据终端上报的CQI测量信息，或者终端对UP node2的CQI测量信息大于信道质量门限，通过基站间接口通知控制器。终端可以在上述上行控制信道资源内发送CQI测量信息，UP node1和UPnode2监听并接收。
选项三，UP node2根据终端发送的SRS或者Discovery信号，判断当终端接近UP node2时,UP node2通过基站间接口通知控制器。为了避免所有的UP node都要盲检所有的终端，可以由控制器控制指定的UP node对一些终端进行检测，例如控制器可以指示终端当前所在基站相邻的基站进行终端的检测。
控制器可以通过上述的方式判断终端是否进入UP node2的覆盖区域，数据是否可以通过UP node2进行传输。控制器通过在上述终端专用的资源池内的下行控制信道资源分别分配给UP node1和UP node2使用。如可以资源池中的下行控制信道资源分为两个部分，一个给UP node1使用，一个给UP node2使用，从而避免两个UP node在同时调度一个终端时，下行控制信道发生冲突。配置信息可以通过基站间接口通知给UP node，同时通知用户面网关，将部分数据分流至UP node2，为了UP node2和用户面网关可以相互通讯，在通知信 息中可以携带UP node2的传输配置信息，如IP地址，隧道信息等。在之前发送给UP node的配置信息中携带用户面网关的传输配置信息，以便UP node和用户面网关之间建立传输通道。通过上述方式，控制器可以管理多个UP node共享终端专用的资源池，如果UP node数量变多，可以通过空口配置消息，增加专资源池的资源数量。因此终端在接收该资源池时，可以同时接收来自多个UP node的调度信息，和多个UP node进行传输。而多个UP node可以共享相同的UE相关的配置信息，因此在UE并不需要区分不同的UP node接收的控制信息。终端通过多个UP node和用户面网关之间进行数据的传输。用户面网关可以根据流控信息，在不同的链路之间分配数据流量。用户面网关还可以和控制器之间交互数据传输状态信息。当某一链路长时间没有数据时或者根据移动性终端移出UP node的覆盖区域时，控制器可以通知用户面网关拆除该链路，UP node未传完的数据会回传至用户面网关。用户面网关和控制器可以是分离的节点或者同一个节点，当是同一节点时，用户面网关和控制器之间的接口为内部接口，属于内部实现。
接下来请参阅如图5-b所示，以终端具体为UE、第一基站具体为UP node1、第二基站具体为用UP node2、网关具体为UP GW为例，图5-a中所示的是控制器具体为分布式控制器的场景，控制器可以在任意一个小基站上进行部署。终端在初始接入时，控制器位于初始接入的小基站UPnode1上。终端可以通过任一无线接入节点接入网络，终端在如图1-a中的小基站下的小区或者宏基站下的小区或者图1-b中的小基站下的小区驻留后，通过空口接入网络，经过鉴权，业务请求等流程之后，执行如下步骤：
P01、UP node1向UE发送RRC重配置命令。
P02、UPGW向UPnode1发送下行数据，UPnode1向UE发送EPDCCH或PDSCH。
P03、UP node1通过如下三种的移动准则中的至少一种确定UE进入UPnode2的覆盖区域，主要有如下三种实现方式：
ALT1、UE向UP node1发送的测量报告。
ALT2、UPnode1自己生成测量报告。
ALT3、UPnode2向UP node1发送测量报告。
P04、UPnode1从资源池中向UPnode2分配控制信道资源。
P05、UPnode2向UPnode1发送确认信息。
P06、UPnode1向UPGW发送数据流分配请求。
P07、UPGW将数据流分为两个部分，一个部分发送通过UPnode1发送给UE，另一个部分通过UPnode2发送给UE。
P09、UPnode1向UPnode2发送控制器移动指令。
P10、UPnode2向UPnode1发送控制器移动响应。
在前述的步骤P01至步骤P10中，UPnode1为终端配置RRC配置消息，分配终端的无线标识信息如C-RNTI为终端分配资源池，该资源池中的下行控制信道资源可以为EPDCCH资源，该资源池中还可能包括上行控制信道资源，例如EPUCCH，该资源池还可以包括：上下行的共享数据信道配置，如时频资源位置，控制器通过空口发送给终端。在图1-a场景中是通过宏基站发送，而在图1-b中通过终端接入的小基站或者终端附近的小基站发送给终端。UPnode1作为控制器可以从资源管理节点获取终端的资源池配置。资源管理节点管理范围和图5-a中的控制器类似。
当终端移动至UPnode1和UPnode2边界时，类似图5-b中所示的如下方式，UPnode1可以确定终端进入了UPnode2的覆盖区域：
选项一：终端根据控制器配置的测量报告，测得来自UPnode2的无线信号测量量满足信号量阈值，如UPnode2的无线信号测量量大于UPnode1的无线信号测量量3dB时，终端上报测量报告通知控制器，即UPnode1。
选项二，UPnode1可以根据终端上报的CQI测量信息，或者终端对UPnode2的CQI信息大于信道质量门限，通过基站间接口通知控制器。终端可以在上述上行控制信道资源内发送CQI测量信息，UPnode1监听并接收。
选项三，UPnode2根据终端发送的上行信号，如终端可以在上述上行控制信道资源内发SRS或者Discovery信号，判断当终端接近UPnode2时,UPnode2通过基站间接口通知控制器。为了避免所有的UPnode都要盲检所有的终端，可以由控制器控制指定的UPnode对一些终端进行检测，例如控制器可以指示终端当前所在基站相邻的基站进行终端的检测。本实施例中UPnode1可以通过相邻的UPnode检测终端，通知消息中携带终端的上行信号的特征信息，如上行信号的序列信息或者标识信息。
UPnode1通过上述的方式判断终端是否进入UPnode2的覆盖区域，数据 是否可以通过UPnode2进行传输。UPnode1通过在上述终端专用的资源池内的资源分别分配给UPnode1和UPnode2使用。如可以资源池分为两个部分，一个给UPnode1使用，一个由UPnode2使用，从而避免两个UPnode在同时调度一个终端时，控制信道发生冲突。配置信息可以通过基站间接口通知给UPnode。同时UPnode1通知用户面网关，将部分数据分流至UPnode2，为了UPnode2和用户面网关可以相互通讯，在通知信息中可以携带UPnode2的传输配置信息，如IP地址，隧道信息等。在之前发送给UPnode的配置信息中携带用户面网关的传输配置信息，以便UPnode和用户面网关之间建立传输通道。通过上述方式，控制器可以管理多个UPnode共享终端专用的资源池，如果UPnode数量变多，可以通过空口配置消息，增加资源池的下行控制信道资源数量。因此终端在接收该资源池时，可以同时接收来自多个UPnode的调度信息，和多个UPnode进行传输。而多个UPnode可以共享相同的UE相关的配置信息，因此在UE并不需要区分不同的UPnode接收控制信息。终端通过多个UPnode和用户面网关之间进行数据的传输。用户面网关可以根据流控信息，在不同的链路之间分配数据流量。用户面网关还可以和控制器之间交互数据传输状态信息。当某一链路长时间没有数据时或者根据移动性终端移出UPnode的覆盖区域时，控制器可以通知用户面网关拆除该链路，UPnode未传完的数据会回传至用户面网关。
图5-b与图5-a区别还在于：UPnode上的控制器功能可以移动，当终端移出UPnode1的覆盖区域时，UPnode1可以向UPnode2发起控制器移动过程，将终端的配置上下文发送给UPnode2，并且释放对终端资源池的使用。当控制器移动至UPnode2后，UPnode2开始处理终端的移动过程，UPnode1中可以删除终端的配置上下文。
通过前述对本发明实施例的举例说明可知，本发明实施例中改进切换方案定，可以达到终端平滑切换，并且节点间松耦合，减少对节点间传输承载的要求，避免联合调度或者联合传输等紧耦合的小区间协作，以便在广泛的场景下进行部署。
需要说明的是，对于前述的各方法实施例，为了简单描述，故将其都表述为一系列的动作组合，但是本领域技术人员应该知悉，本发明并不受所描述的动作顺序的限制，因为依据本发明，某些步骤可以采用其他顺序或者同 时进行。其次，本领域技术人员也应该知悉，说明书中所描述的实施例均属于优选实施例，所涉及的动作和模块并不一定是本发明所必须的。
为便于更好的实施本发明实施例的上述方案，下面还提供用于实施上述方案的相关装置。
请参阅图6所示，本发明实施例提供的一种控制器600，可以包括：收发模块601和终端位置确定模块602，其中，
所述收发模块601，用于将所述控制器配置的终端的无线标识和控制信道资源发送给所述终端；当所述终端处于第一基站的覆盖区域时，将所述终端的无线标识和所述控制信道资源发送给所述第一基站；
所述终端位置确定模块602，用于确定所述终端处于第二基站的覆盖区域；
所述收发模块601，还用于将所述终端的无线标识和所述控制信道资源发送给所述第二基站，以便于通过控制信道资源，从第一基站和第二基站分别发出的控制信令被终端接收到。
在本发明的一些实施例中，所述收发模块601，具体用于将所述终端的无线标识和所述控制信道资源发送给所述终端初始接入的基站，由所述初始接入的基站将所述终端的无线标识和所述控制信道资源发送给所述终端。
在本发明的一些实施例中，所述收发模块601，还用于接收基站转发的来自于终端的测量报告，所述来自于终端的测量报告是所述终端按照所述控制器提供的测量配置信息进行信道测量并由所述终端判断出所述第二基站与所述终端之间的无线信号测量量满足预置的第一信道条件时所述终端发送的，所述终端位置确定模块602，具体用于根据所述终端发送的测量报告确定所述终端处于所述第二基站的覆盖区域；或，
所述收发模块601，还用于接收所述基站发送的第一测量报告，所述基站发送的第一测量报告是所述基站根据所述终端发送的测量结果判断出所述基站与所述终端之间的无线信号测量量满足预置的第二信道条件时发送的，所述终端发送的测量结果是所述终端按照所述控制器提供的测量配置信息进行信道测量后生成的，所述终端位置确定模块602，具体用于根据所述基站发送的测量报告确定所述终端处于所述第二基站的覆盖区域；或，
所述收发模块601，还用于接收所述基站发送的测量结果，所述基站发送 的测量结果是所述基站对所述终端发送的位置跟踪信号进行信道测量后生成的，所述终端位置确定模块602，具体用于根据所述基站生成的测量结果判断出所述第二基站与所述终端之间的无线信号测量量满足预置的第三信道条件，所述控制器确定所述终端处于所述第二基站的覆盖区域；或，
所述收发模块601，还用于接收所述基站发送的第二测量报告，所述基站发送的第二测量报告是所述基站对所述终端发送的位置跟踪信号进行信道测量并判断出所述基站与所述终端之间的无线信道测量量满足预置的第四信道条件时发送的，所述终端位置确定模块602，具体用于根据所述基站发送的测量报告确定所述终端处于所述第二基站的覆盖区域；
其中，所述基站是：所述第一基站和/或所述第二基站。
在本发明的一些实施例中，所述收发模块601，还用于接收网关发送的数据传输状态信息，所述数据传输状态信息包括如下信息中的至少一种：所述网关和所述第一基站之间的数据传输状态、所述网关和所述第二基站之间的数据传输状态；当所述控制器确定所述网关和所述第一基站之间的数据传输状态不符合预置的传输条件时，向所述网关或所述第一基站发送拆除指令，由所述网关或所述第一基站拆除所述网关和所述第一基站之间的传输通道。
在本发明的一些实施例中，所述控制器600的控制功能由所述第一基站执行；或，
当所述终端处于所述第一基站的覆盖区域时，由所述第一基站执行所述控制器的控制功能，当所述终端处于所述第二基站的覆盖区域时，由所述第二基站执行所述控制器的控制功能。
请参阅图7-a所示，本发明实施例提供的一种终端700，可以包括：收发模块701和数据传输模块702，其中，
所述收发模块701，用于从控制器接收所述终端的无线标识和所述控制器配置的控制信道资源；根据所述控制信道资源接收基站发送的控制信令，其中，所述基站是：第一基站和/或第二基站；
所述数据传输模块702，用于根据所述控制信令在共享信道上传输数据，所述共享信道为所述基站和所述终端之间配置的传输信道。
在本发明的一些实施例中，如图7-b所示，所述终端700还包括：测量处理模块703，其中，
所述测量处理模块703，用于根据所述控制器提供的测量配置信息进行信道测量，根据生成的测量结果判断所述第二基站与所述终端之间的无线信号测量量是否满足预置的第一信道条件，所述收发模块701，还用于当所述第二基站与所述终端之间的无线信号测量量满足预置的第一信道条件时，通过所述基站向所述控制器发送测量报告；或，
所述测量处理模块702，用于根据所述控制器提供的测量配置信息进行信道测量，所述收发模块701，还用于向所述基站发送所述终端生成的测量结果；或，
所述收发模块701，还用于根据所述控制器提供的信号配置信息发送位置跟踪信号。
在本发明的一些实施例中，所述数据传输模块702，具体用于在所述共享信道上接收所述第一基站和/或所述第二基站发送的下行数据；和/或，在所述共享信道上向所述第一基站和/或所述第二基站发送上行数据。
在本发明的一些实施例中，所述控制器的控制功能由所述第一基站执行；或，
当所述终端处于所述第一基站的覆盖区域时，由所述第一基站执行所述控制器的控制功能，当所述终端处于所述第二基站的覆盖区域时，由所述第二基站执行所述控制器的控制功能。
请参阅图8-a所示，本发明实施例提供的一种基站800，所述基站800具体为第一基站和/或第二基站，所述基站800包括：收发模块801和数据传输模块802，其中，
所述收发模块801，用于从控制器接收终端的无线标识和所述控制器配置的控制信道资源；使用所述控制信道资源向所述终端发送控制信令；
所述数据传输模块802，用于通过所述基站和所述终端之间的共享信道传输数据。
在本发明的一些实施例中，如图8-b所示，所述基站800还包括：信道测量模块803和判断模块804，其中，
所述收发模块801，还用于接收所述终端发送的测量报告，所述终端发送的测量报告是所述终端按照所述控制器提供的测量配置信息进行信道测量并判断出所述第二基站与所述终端之间的无线信号测量量满足预置的第一信道 条件时所述终端发送的，并向所述控制器转发所述终端发送的测量报告；或，
所述收发模块801，还用于接收所述终端发送的测量结果，所述终端发送的测量结果是所述终端按照所述控制器提供的测量配置信息进行信道测量后生成的，所述判断模块804，用于根据所述测量结果判断出所述基站与所述终端之间的无线信号测量量满足预置的第二信道条件，所述收发模块801，还用于向所述控制器发送测量报告；或，
所述信道测量模块803，用于对所述终端发送的位置跟踪信号进行信道测量后生成测量结果，所说收发模块801，还用于向所述控制器发送所述基站生成的测量结果；或，
所述信道测量模块803，还用于对所述终端发送的位置跟踪信号进行信道测量，所述判断模块804，还用于判断出所述基站与所述终端之间的无线信道测量量满足预置的第四信道条件，所述收发模块801，还用于向所述控制器发送所述基站生成的测量报告。
在本发明的一些实施例中，当所述基站为所述第一基站时，由所述第一基站执行所述控制器的控制功能；或，
当所述终端处于所述第一基站的覆盖区域时，由所述第一基站执行所述控制器的控制功能，当所述终端处于所述第二基站的覆盖区域时，所述第一基站向所述第二基站发送控制功能移动指令，所述控制功能移动指令包括：所述终端的配置上下文。
本发明实施例还提供一种计算机存储介质，其中，该计算机存储介质存储有程序，该程序执行包括上述方法实施例中记载的部分或全部步骤。
接下来介绍本发明实施例提供的另一种控制器，请参阅图9所示，控制器900包括：
接收器901、发射器902、处理器903和存储器904(其中控制器900中的处理器903的数量可以一个或多个，图9中以一个处理器为例)。在本发明的一些实施例中，接收器901、发射器902、处理器903和存储器904可通过总线或其它方式连接，其中，图9中以通过总线连接为例。
存储器904可以包括只读存储器和随机存取存储器，并向处理器903提供指令和数据。存储器904的一部分还可以包括非易失性随机存取存储器(英文 全称：Non-Volatile Random Access Memory，英文缩写：NVRAM)。存储器904存储有操作***和操作指令、可执行模块或者数据结构，或者它们的子集，或者它们的扩展集，其中，操作指令可包括各种操作指令，用于实现各种操作。操作***可包括各种***程序，用于实现各种基础业务以及处理基于硬件的任务。
处理器903控制控制器的操作，处理器903还可以称为中央处理单元(英文全称：Central Processing Unit，英文简称：CPU)。具体的应用中，控制器的各个组件通过总线***耦合在一起，其中总线***除包括数据总线之外，还可以包括电源总线、控制总线和状态信号总线等。但是为了清楚说明起见，在图中将各种总线都称为总线***。
上述本发明实施例揭示的方法可以应用于处理器903中，或者由处理器903实现。处理器903可以是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法的各步骤可以通过处理器903中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器903可以是通用处理器、数字信号处理器(英文全称：digital signal processing，英文缩写：DSP)、专用集成电路(英文全称：Application Specific Integrated Circuit，英文缩写：ASIC)、现成可编程门阵列(英文全称：Field-Programmable Gate Array，英文缩写：FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本发明实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本发明实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成，或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器904，处理器903读取存储器904中的信息，结合其硬件完成上述方法的步骤。
接收器901可用于接收输入的数字或字符信息，以及产生与控制器的相关设置以及功能控制有关的信号输入，发射器902可包括显示屏等显示设备，发射器902可用于通过外接接口输出数字或字符信息。
本发明实施例中，处理器903用于执行前述由控制器执行的终端的切换方法，详见前述实施例的描述。详细的，处理器903，用于执行如下步骤：
将所述控制器配置的终端的无线标识和控制信道资源发送给所述终端；
当所述终端处于第一基站的覆盖区域时，将所述终端的无线标识和所述控制信道资源发送给所述第一基站；
确定所述终端处于第二基站的覆盖区域，然后所述控制器将所述终端的无线标识和所述控制信道资源发送给所述第二基站，以便于通过所述控制信道资源，从所述第一基站和所述第二基站分别发出的控制信令被所述终端接收到。
在本发明实施例中，控制器为终端分配该终端在第一基站和该终端切换到的第二基站都可以使用的终端标识和控制信道资源，当终端处于第一基站的覆盖区域时，控制器将配置给终端的无线标识和控制信道资源同样发送给第一基站，控制器确定终端处于第二基站的覆盖区域，控制器将配置给终端的无线标识和控制信道资源同样发送给第二基站。因此终端在第一基站和第二基站等这些基站间移动时，终端可以始终使用控制器配置的无线标识和控制信道资源，而不需要重新进行配置，可以节省重配置信令，终端在从第一基站切换到第二基站的过程中数据传输不会中断，数据传输效率很高。
在本发明的一些实施例中，处理器903，具体用于执行如下步骤：
将所述终端的无线标识和所述控制信道资源发送给所述终端初始接入的基站，由所述初始接入的基站将所述终端的无线标识和所述控制信道资源发送给所述终端。
在本发明实施例中，终端初始接入基站可以为终端转发终端的无线标识和控制信道资源，终端通过初始接入的基站获取到终端的无线标识和控制信道资源。终端在第一基站和第二基站等这些基站间移动时，终端可以始终使用控制器配置的无线标识和控制信道资源，而不需要重新进行配置，可以节省重配置信令。
在本发明的一些实施例中，处理器903，具体用于执行如下步骤：
接收基站转发的来自于终端的测量报告，所述来自于终端的测量报告是所述终端按照所述控制器提供的测量配置信息进行信道测量并由所述终端判断出所述第二基站与所述终端之间的无线信号测量量满足预置的第一信道条件时所述终端发送的，根据所述终端发送的测量报告确定所述终端处于所述第二基站的覆盖区域；或，
接收所述基站发送的第一测量报告，所述基站发送的第一测量报告是所述基站根据所述终端发送的测量结果判断出所述基站与所述终端之间的无线信号测量量满足预置的第二信道条件时发送的，所述终端发送的测量结果是所述终端按照所述控制器提供的测量配置信息进行信道测量后生成的，根据所述基站发送的测量报告确定所述终端处于所述第二基站的覆盖区域；或，
接收所述基站发送的测量结果，所述基站发送的测量结果是所述基站对所述终端发送的位置跟踪信号进行信道测量后生成的，根据所述基站发送的测量结果判断出所述第二基站与所述终端之间的无线信号测量量满足预置的第三信道条件，确定所述终端处于所述第二基站的覆盖区域；或，
接收所述基站发送的第二测量报告，所述基站发送的第二测量报告是所述基站对所述终端发送的位置跟踪信号进行信道测量并判断出所述基站与所述终端之间的无线信道测量量满足预置的第四信道条件时发送的，根据所述基站发送的测量报告确定所述终端处于所述第二基站的覆盖区域；
其中，所述基站是：所述第一基站和/或所述第二基站。
在本发明实施例中，控制器可以通过多种可行的方式来确定终端处于第二基站的覆盖区域，在上述可行的方式中，可以终端将自己生成的测量报告通过基站发送给控制器，也可以由基站将自己生成的测量报告发送给控制器，控制器根据上述测量报告来确定终端处于第二基站的覆盖区域，或者也可以由控制器自行判断出终端处于第二基站的覆盖区域。
在本发明的一些实施例中，处理器903，还用于执行如下步骤：
接收网关发送的数据传输状态信息，所述数据传输状态信息包括如下信息中的至少一种：所述网关和所述第一基站之间的数据传输状态、所述网关和所述第二基站之间的数据传输状态；
当所述控制器确定所述网关和所述第一基站之间的数据传输状态不符合预置的传输条件时，向所述网关或所述第一基站发送拆除指令，由所述网关或所述第一基站拆除所述网关和所述第一基站之间的传输通道。
在本发明实施例中，控制器向网关或第一基站发送通道拆除指令，由网关或第一基站拆除网关和第一基站之间的传输通道，通过将闲置的传输通道拆除，可以提高数据的传输效率。
在本发明的一些实施例中，所述控制器的控制功能由所述第一基站执行； 或，
当所述终端处于所述第一基站的覆盖区域时，由所述第一基站执行所述控制器的控制功能，当所述终端处于所述第二基站的覆盖区域时，由所述第二基站执行所述控制器的控制功能。
在本发明实施例中，控制器可以有多种实现方式，可以由第一基站来实现，控制器也可以通过分布式的方式来实现，随着终端的不断移动，可以由第一基站和第二基站分别来执行控制器的控制功能，控制器的部署实现很灵活。
接下来介绍本发明实施例提供的另一种终端，请参阅图10所示，终端1000包括：
接收器1001、发射器1002、处理器1003和存储器1004(其中终端1000中的处理器1003的数量可以一个或多个，图10中以一个处理器为例)。在本发明的一些实施例中，接收器1001、发射器1002、处理器1003和存储器1004可通过总线或其它方式连接，其中，图10中以通过总线连接为例。
存储器1004可以包括只读存储器和随机存取存储器，并向处理器1003提供指令和数据。存储器1004的一部分还可以包括NVRAM。存储器1004存储有操作***和操作指令、可执行模块或者数据结构，或者它们的子集，或者它们的扩展集，其中，操作指令可包括各种操作指令，用于实现各种操作。操作***可包括各种***程序，用于实现各种基础业务以及处理基于硬件的任务。
处理器1003控制终端的操作，处理器1003还可以称为CPU。具体的应用中，终端的各个组件通过总线***耦合在一起，其中总线***除包括数据总线之外，还可以包括电源总线、控制总线和状态信号总线等。但是为了清楚说明起见，在图中将各种总线都称为总线***。
上述本发明实施例揭示的方法可以应用于处理器1003中，或者由处理器1003实现。处理器1003可以是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法的各步骤可以通过处理器1003中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器1003可以是通用处理器、DSP、ASIC、FPGA或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本发明实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合 本发明实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成，或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器1004，处理器1003读取存储器1004中的信息，结合其硬件完成上述方法的步骤。
本发明实施例中，处理器1003用于执行前述实施例中由终端执行的终端的切换方法。其中，处理器1003，用于执行如下步骤：
从控制器接收所述终端的无线标识和所述控制器配置的控制信道资源；
根据所述控制信道资源接收基站发送的控制信令，其中，所述基站是：第一基站和/或第二基站；
根据所述控制信令在共享信道上传输数据，所述共享信道为所述基站和所述终端之间配置的传输信道。
本发明实施例中控制器为终端分配该终端在第一基站和该终端切换到的第二基站都可以使用的终端标识和控制信道资源，当终端处于第一基站的覆盖区域时，控制器将配置给终端的无线标识和控制信道资源同样发送给第一基站，控制器确定终端处于第二基站的覆盖区域，控制器将配置给终端的无线标识和控制信道资源同样发送给第二基站。因此终端在第一基站和第二基站等这些基站间移动时，终端可以始终使用控制器配置的无线标识和控制信道资源，而不需要重新进行配置，可以节省重配置信令，终端在从第一基站切换到第二基站的过程中数据传输不会中断，数据传输效率很高。
在本发明的一些实施例中，处理器1003，还用于执行如下步骤：
根据所述控制器提供的测量配置信息进行信道测量，根据生成的测量结果判断所述第二基站与所述终端之间的无线信号测量量是否满足预置的第一信道条件，当所述第二基站与所述终端之间的无线信号测量量满足预置的第一信道条件时，通过所述基站向所述控制器发送测量报告；或，
根据所述控制器提供的测量配置信息进行信道测量，并向所述基站发送所述终端生成的测量结果；或，
根据所述控制器提供的信号配置信息发送位置跟踪信号。
在本发明实施例中，控制器可以通过多种可行的方式来确定终端处于第二 基站的覆盖区域，在上述可行的方式中，可以终端将自己生成的测量报告通过基站发送给控制器，也可以由基站将自己生成的测量报告发送给控制器，控制器根据上述测量报告来确定终端处于第二基站的覆盖区域，或者也可以由控制器自行判断出终端处于第二基站的覆盖区域。
在本发明的一些实施例中，处理器1003，具体用于执行如下步骤：
在所述共享信道上接收所述第一基站和/或所述第二基站发送的下行数据；和/或，
在所述共享信道上向所述第一基站和/或所述第二基站发送上行数据。
在本发明实施例中，终端可以第一基站以及第二基站都进行数据传输，该数据传输可以是指上行传输以及下行传输，可以提高数据的传输效率。
在本发明的一些实施例中，所述控制器的控制功能由所述第一基站执行；或，
当所述终端处于所述第一基站的覆盖区域时，由所述第一基站执行所述控制器的控制功能，当所述终端处于所述第二基站的覆盖区域时，由所述第二基站执行所述控制器的控制功能。
在本发明实施例中，控制器可以有多种实现方式，可以由第一基站来实现，控制器也可以通过分布式的方式来实现，随着终端的不断移动，可以由第一基站和第二基站分别来执行控制器的控制功能，控制器的部署实现很灵活。
接下来介绍本发明实施例提供的另一种基站，请参阅图11所示，基站1100包括：
接收器1101、发射器1102、处理器1103和存储器1104(其中基站1100中的处理器1103的数量可以一个或多个，图11中以一个处理器为例)。在本发明的一些实施例中，接收器1101、发射器1102、处理器1103和存储器1104可通过总线或其它方式连接，其中，图11中以通过总线连接为例。
存储器1104可以包括只读存储器和随机存取存储器，并向处理器1103提供指令和数据。存储器1104的一部分还可以包括NVRAM。存储器1104存储有操作***和操作指令、可执行模块或者数据结构，或者它们的子集，或者它们的扩展集，其中，操作指令可包括各种操作指令，用于实现各种操作。操作***可包括各种***程序，用于实现各种基础业务以及处理基于硬件的任务。
处理器1103控制基站的操作，处理器1103还可以称为CPU。具体的应 用中，基站的各个组件通过总线***耦合在一起，其中总线***除包括数据总线之外，还可以包括电源总线、控制总线和状态信号总线等。但是为了清楚说明起见，在图中将各种总线都称为总线***。
上述本发明实施例揭示的方法可以应用于处理器1103中，或者由处理器1103实现。处理器1103可以是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法的各步骤可以通过处理器1103中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器1103可以是通用处理器、DSP、ASIC、FPGA或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本发明实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本发明实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成，或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器1104，处理器1103读取存储器1104中的信息，结合其硬件完成上述方法的步骤。
本发明实施例中，处理器1103用于执行前述实施例中由基站执行的终端的切换方法。具体的，处理器1103，用于执行如下步骤：
从控制器接收终端的无线标识和所述控制器配置的控制信道资源，其中，所述基站是：第一基站和/或第二基站；
使用所述控制信道资源向所述终端发送控制信令；
通过所述基站和所述终端之间的共享信道传输数据。
本发明实施例中控制器为终端分配该终端在第一基站和该终端切换到的第二基站都可以使用的终端标识和控制信道资源，当终端处于第一基站的覆盖区域时，控制器将配置给终端的无线标识和控制信道资源同样发送给第一基站，控制器确定终端处于第二基站的覆盖区域，控制器将配置给终端的无线标识和控制信道资源同样发送给第二基站。因此终端在第一基站和第二基站等这些基站间移动时，终端可以始终使用控制器配置的无线标识和控制信道资源，而不需要重新进行配置，可以节省重配置信令，终端在从第一基站切换到第二基站的过程中数据传输不会中断，数据传输效率很高。
在本发明的一些实施例中，处理器1103，还用于执行如下步骤：
接收所述终端发送的测量报告，所述终端发送的测量报告是所述终端按照所述控制器提供的测量配置信息进行信道测量并判断出所述第二基站与所述终端之间的无线信号测量量满足预置的第一信道条件时所述终端发送的，并向所述控制器转发所述终端发送的测量报告；或，
接收所述终端发送的测量结果，所述终端发送的测量结果是所述终端按照所述控制器提供的测量配置信息进行信道测量后生成的，根据所述测量结果判断出所述基站与所述终端之间的无线信号测量量满足预置的第二信道条件时向所述控制器发送测量报告；或，
对所述终端发送的位置跟踪信号进行信道测量后生成测量结果，并向所述控制器发送所述基站生成的测量结果；或，
对所述终端发送的位置跟踪信号进行信道测量，判断出所述基站与所述终端之间的无线信道测量量满足预置的第四信道条件时，向所述控制器发送所述基站生成的测量报告。
在本发明实施例中，控制器可以通过多种可行的方式来确定终端处于第二基站的覆盖区域，在上述可行的方式中，可以终端将自己生成的测量报告通过基站发送给控制器，也可以由基站将自己生成的测量报告发送给控制器，控制器根据上述测量报告来确定终端处于第二基站的覆盖区域，或者也可以由控制器自行判断出终端处于第二基站的覆盖区域。
在本发明的一些实施例中，处理器1103，还用于执行如下步骤：
当所述基站为所述第一基站时，由所述第一基站执行所述控制器的控制功能；或，
当所述终端处于所述第一基站的覆盖区域时，由所述第一基站执行所述控制器的控制功能，当所述终端处于所述第二基站的覆盖区域时，所述第一基站向所述第二基站发送控制功能移动指令，所述控制功能移动指令包括：所述终端的配置上下文。
在本发明实施例中，控制器可以有多种实现方式，可以由第一基站来实现，控制器也可以通过分布式的方式来实现，随着终端的不断移动，可以由第一基站和第二基站分别来执行控制器的控制功能，控制器的部署实现很灵活。
请参阅如图12所示，本发明实施例还提供一种用于终端切换的***芯片 1200，包括：通信接口1201、总线1202，处理器1203和存储器1204，所述芯片1200通过通信接口1201和外部进行交互，所述通信接口1201通过总线1202和所述处理器1203和存储器1204相通信，所述存储器1204存储有所述终端切换方法所需的源程序代码，其中，
所述处理器1203用于调用所述存储器1204存储的代码，执行前述由控制器执行的终端的切换方法，具体可以详见前述实施例的描述。
请参阅如图13所示，本发明实施例还提供一种用于终端切换的***芯片1300，包括：通信接口1301、总线1302，处理器1303和存储器1304，所述芯片1300通过通信接口1301和外部进行交互，所述通信接口1301通过总线1302和所述处理器1303和存储器1304相通信，所述存储器1304存储有所述终端切换方法所需的源程序代码，其中，
所述处理器1303用于调用所述存储器1304存储的代码，执行前述由终端执行的终端的切换方法，具体可以详见前述实施例的描述。
请参阅如图14所示，本发明实施例还提供一种用于终端切换的***芯片1400，包括：通信接口1401、总线1402，处理器1403和存储器1404，所述芯片1400通过通信接口1401和外部进行交互，所述通信接口1401通过总线1402和所述处理器1403和存储器1404相通信，所述存储器1404存储有所述终端切换方法所需的源程序代码，其中，
所述处理器1403用于调用所述存储器1404存储的代码，执行前述由基站执行的终端的切换方法，具体可以详见前述实施例的描述。
本发明实施例还提供一种计算机程序，用于执行前述由控制器执行的终端的切换方法，详见前述实施例的描述。
本发明实施例还提供一种计算机程序，用于执行前述由终端执行的终端的切换方法，详见前述实施例的描述。
本发明实施例还提供一种计算机程序，用于执行前述由基站执行的终端的切换方法，详见前述实施例的描述。
请参阅如图15所示，本发明实施例还提供一种终端的切换***1500，包括：如前述的控制器1501、如前述的终端1502、如前述的基站1503，所述基站是：第一基站和/或第二基站。其中，在本发明的一些实施例中，控制器1501可以为图6中所示的控制器，终端1502可以为图7-a和图7-b中所示的终端700，基站 1503可以为图8中所示的基站800。在本发明的一些实施例中，控制器1501可以为图9中所示的控制器900，终端1502可以为图10中所示的终端1000，基站1503可以为图11中所示的基站1100，详见前述实施例的描述。
另外需说明的是，以上所描述的装置实施例仅仅是示意性的，其中所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。另外，本发明提供的装置实施例附图中，模块之间的连接关系表示它们之间具有通信连接，具体可以实现为一条或多条通信总线或信号线。本领域普通技术人员在不付出创造性劳动的情况下，即可以理解并实施。
通过以上的实施方式的描述，所属领域的技术人员可以清楚地了解到本发明可借助软件加必需的通用硬件的方式来实现，当然也可以通过专用硬件包括专用集成电路、专用CPU、专用存储器、专用元器件等来实现。一般情况下，凡由计算机程序完成的功能都可以很容易地用相应的硬件来实现，而且，用来实现同一功能的具体硬件结构也可以是多种多样的，例如模拟电路、数字电路或专用电路等。但是，对本发明而言更多情况下软件程序实现是更佳的实施方式。基于这样的理解，本发明的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在可读取的存储介质中，如计算机的软盘、U盘、移动硬盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁碟或者光盘等，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本发明各个实施例所述的方法。
综上所述，以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照上述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对上述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (25)

  1. 一种终端的切换方法，其特征在于，包括：
    控制器将所述控制器配置的终端的无线标识和控制信道资源发送给所述终端；
    当所述终端处于第一基站的覆盖区域时，所述控制器将所述终端的无线标识和所述控制信道资源发送给所述第一基站；
    所述控制器确定所述终端处于第二基站的覆盖区域，然后所述控制器将所述终端的无线标识和所述控制信道资源发送给所述第二基站，以便于通过所述控制信道资源，从所述第一基站和所述第二基站分别发出的控制信令被所述终端接收到。
  2. 根据权利要求1所述的方法，其特征在于，所述控制器将所述控制器配置的终端的无线标识和所述控制信道资源发送给所述终端，包括：
    所述控制器将所述终端的无线标识和所述控制信道资源发送给所述终端初始接入的基站，由所述初始接入的基站将所述终端的无线标识和所述控制信道资源发送给所述终端。
  3. 根据权利要求1所述的方法，其特征在于，所述控制器确定所述终端处于第二基站的覆盖区域，包括：
    所述控制器接收基站转发的来自于终端的测量报告，所述来自于终端的测量报告是所述终端按照所述控制器提供的测量配置信息进行信道测量并由所述终端判断出所述第二基站与所述终端之间的无线信号测量量满足预置的第一信道条件时所述终端发送的，所述控制器根据所述终端发送的测量报告确定所述终端处于所述第二基站的覆盖区域；或，
    所述控制器接收所述基站发送的第一测量报告，所述基站发送的第一测量报告是所述基站根据所述终端发送的测量结果判断出所述基站与所述终端之间的无线信号测量量满足预置的第二信道条件时发送的，所述终端发送的测量结果是所述终端按照所述控制器提供的测量配置信息进行信道测量后生成的，所述控制器根据所述基站发送的测量报告确定所述终端处于所述第二基站的覆盖区域；或，
    所述控制器接收所述基站发送的测量结果，所述基站发送的测量结果是所述基站对所述终端发送的位置跟踪信号进行信道测量后生成的，所述控制器根 据所述基站发送的测量结果判断出所述第二基站与所述终端之间的无线信号测量量满足预置的第三信道条件，所述控制器确定所述终端处于所述第二基站的覆盖区域；或，
    所述控制器接收所述基站发送的第二测量报告，所述基站发送的第二测量报告是所述基站对所述终端发送的位置跟踪信号进行信道测量并判断出所述基站与所述终端之间的无线信道测量量满足预置的第四信道条件时发送的，所述控制器根据所述基站发送的测量报告确定所述终端处于所述第二基站的覆盖区域；
    其中，所述基站是：所述第一基站和/或所述第二基站。
  4. 根据权利要求1所述的方法，其特征在于，所述方法还包括：
    所述控制器接收网关发送的数据传输状态信息，所述数据传输状态信息包括如下信息中的至少一种：所述网关和所述第一基站之间的数据传输状态、所述网关和所述第二基站之间的数据传输状态；
    当所述控制器确定所述网关和所述第一基站之间的数据传输状态不符合预置的传输条件时，所述控制器向所述网关或所述第一基站发送拆除指令，由所述网关或所述第一基站拆除所述网关和所述第一基站之间的传输通道。
  5. 根据权利要求1至4中任一项所述的方法，其特征在于，所述控制器的控制功能由所述第一基站执行；或，
    当所述终端处于所述第一基站的覆盖区域时，由所述第一基站执行所述控制器的控制功能，当所述终端处于所述第二基站的覆盖区域时，由所述第二基站执行所述控制器的控制功能。
  6. 一种终端的切换方法，其特征在于，包括：
    所述终端从控制器接收所述终端的无线标识和所述控制器配置的控制信道资源；
    所述终端根据所述控制信道资源接收基站发送的控制信令，其中，所述基站是：第一基站和/或第二基站；
    所述终端根据所述控制信令在共享信道上传输数据，所述共享信道为所述基站和所述终端之间配置的传输信道。
  7. 根据权利要求6所述的方法，其特征在于，所述方法还包括：
    所述终端根据所述控制器提供的测量配置信息进行信道测量，根据生成的 测量结果判断所述第二基站与所述终端之间的无线信号测量量是否满足预置的第一信道条件，当所述第二基站与所述终端之间的无线信号测量量满足预置的第一信道条件时，所述终端通过所述基站向所述控制器发送测量报告；或，
    所述终端根据所述控制器提供的测量配置信息进行信道测量，并向所述基站发送所述终端生成的测量结果；或，
    所述终端根据所述控制器提供的信号配置信息发送位置跟踪信号。
  8. 根据权利要求6所述的方法，其特征在于，所述终端根据所述控制信令在共享信道上传输数据，包括：
    所述终端在所述共享信道上接收所述第一基站和/或所述第二基站发送的下行数据；和/或，
    所述终端在所述共享信道上向所述第一基站和/或所述第二基站发送上行数据。
  9. 根据权利要求6至8中任一项所述的方法，其特征在于，所述控制器的控制功能由所述第一基站执行；或，
    当所述终端处于所述第一基站的覆盖区域时，由所述第一基站执行所述控制器的控制功能，当所述终端处于所述第二基站的覆盖区域时，由所述第二基站执行所述控制器的控制功能。
  10. 一种终端的切换方法，其特征在于，包括：
    基站从控制器接收终端的无线标识和所述控制器配置的控制信道资源，其中，所述基站是：第一基站和/或第二基站；
    所述基站使用所述控制信道资源向所述终端发送控制信令；
    所述基站通过所述基站和所述终端之间的共享信道传输数据。
  11. 根据权利要求10所述的方法，其特征在于，所述方法还包括：
    所述基站接收所述终端发送的测量报告，所述终端发送的测量报告是所述终端按照所述控制器提供的测量配置信息进行信道测量并判断出所述第二基站与所述终端之间的无线信号测量量满足预置的第一信道条件时所述终端发送的，并向所述控制器转发所述终端发送的测量报告；或，
    所述基站接收所述终端发送的测量结果，所述终端发送的测量结果是所述终端按照所述控制器提供的测量配置信息进行信道测量后生成的，所述基站根据所述测量结果判断出所述基站与所述终端之间的无线信号测量量满足预置 的第二信道条件时向所述控制器发送测量报告；或，
    所述基站对所述终端发送的位置跟踪信号进行信道测量后生成测量结果，并向所述控制器发送所述基站生成的测量结果；或，
    所述基站对所述终端发送的位置跟踪信号进行信道测量，所述基站判断出所述基站与所述终端之间的无线信道测量量满足预置的第四信道条件时，所述基站向所述控制器发送所述基站生成的测量报告。
  12. 根据权利要求10至11中任一项所述的方法，其特征在于，所述方法还包括：
    当所述基站为所述第一基站时，由所述第一基站执行所述控制器的控制功能；或，
    当所述终端处于所述第一基站的覆盖区域时，由所述第一基站执行所述控制器的控制功能，当所述终端处于所述第二基站的覆盖区域时，所述第一基站向所述第二基站发送控制功能移动指令，所述控制功能移动指令包括：所述终端的配置上下文。
  13. 一种控制器，其特征在于，包括：收发模块和终端位置确定模块，其中，
    所述收发模块，用于将所述控制器配置的终端的无线标识和控制信道资源发送给所述终端；当所述终端处于第一基站的覆盖区域时，将所述终端的无线标识和所述控制信道资源发送给所述第一基站；
    所述终端位置确定模块，用于确定所述终端处于第二基站的覆盖区域；
    所述收发模块，还用于将所述终端的无线标识和所述控制信道资源发送给所述第二基站，以便于通过所述控制信道资源，从所述第一基站和所述第二基站分别发出的控制信令被所述终端接收到。
  14. 根据权利要求13所述的控制器，其特征在于，所述收发模块，具体用于将所述终端的无线标识和所述控制信道资源发送给所述终端初始接入的基站，由所述初始接入的基站将所述终端的无线标识和所述控制信道资源发送给所述终端。
  15. 根据权利要求13所述的控制器，其特征在于，所述收发模块，还用于接收基站转发的来自于终端的测量报告，所述来自于终端的测量报告是所述终端按照所述控制器提供的测量配置信息进行信道测量并由所述终端判断出 所述第二基站与所述终端之间的无线信号测量量满足预置的第一信道条件时所述终端发送的，所述终端位置确定模块，具体用于根据所述终端发送的测量报告确定所述终端处于所述第二基站的覆盖区域；或，
    所述收发模块，还用于接收所述基站发送的第一测量报告，所述基站发送的第一测量报告是所述基站根据所述终端发送的测量结果判断出所述基站与所述终端之间的无线信号测量量满足预置的第二信道条件时发送的，所述终端发送的测量结果是所述终端按照所述控制器提供的测量配置信息进行信道测量后生成的，所述终端位置确定模块，具体用于根据所述基站发送的测量报告确定所述终端处于所述第二基站的覆盖区域；或，
    所述收发模块，还用于接收所述基站发送的测量结果，所述基站发送的测量结果是所述基站对所述终端发送的位置跟踪信号进行信道测量后生成的，所述终端位置确定模块，具体用于根据所述基站发送的测量结果判断出所述第二基站与所述终端之间的无线信号测量量满足预置的第三信道条件，所述控制器确定所述终端处于所述第二基站的覆盖区域；或，
    所述收发模块，还用于接收所述基站发送的第二测量报告，所述基站发送的第二测量报告是所述基站对所述终端发送的位置跟踪信号进行信道测量并判断出所述基站与所述终端之间的无线信道测量量满足预置的第四信道条件时发送的，所述终端位置确定模块，具体用于根据所述基站发送的测量报告确定所述终端处于所述第二基站的覆盖区域；
    其中，所述基站是：所述第一基站和/或所述第二基站。
  16. 根据权利要求13所述的控制器，其特征在于，所述收发模块，还用于接收网关发送的数据传输状态信息，所述数据传输状态信息包括如下信息中的至少一种：所述网关和所述第一基站之间的数据传输状态、所述网关和所述第二基站之间的数据传输状态；当所述控制器确定所述网关和所述第一基站之间的数据传输状态不符合预置的传输条件时，向所述网关或所述第一基站发送拆除指令，由所述网关或所述第一基站拆除所述网关和所述第一基站之间的传输通道。
  17. 根据权利要求13至16中任一项所述的控制器，其特征在于，所述控制器的控制功能由所述第一基站执行；或，
    当所述终端处于所述第一基站的覆盖区域时，由所述第一基站执行所述控 制器的控制功能，当所述终端处于所述第二基站的覆盖区域时，由所述第二基站执行所述控制器的控制功能。
  18. 一种终端，其特征在于，包括：收发模块和数据传输模块，其中，
    所述收发模块，用于从控制器接收所述终端的无线标识和所述控制器配置的控制信道资源；根据所述控制信道资源接收基站发送的控制信令，其中，所述基站是：第一基站和/或第二基站；
    所述数据传输模块，用于根据所述控制信令在共享信道上传输数据，所述共享信道为所述基站和所述终端之间配置的传输信道。
  19. 根据权利要求18所述的终端，其特征在于，所述终端还包括：测量处理模块，其中，
    所述测量处理模块，用于根据所述控制器提供的测量配置信息进行信道测量，根据生成的测量结果判断所述第二基站与所述终端之间的无线信号测量量是否满足预置的第一信道条件，所述收发模块，还用于当所述第二基站与所述终端之间的无线信号测量量满足预置的第一信道条件时，通过所述基站向所述控制器发送测量报告；或，
    所述测量处理模块，用于根据所述控制器提供的测量配置信息进行信道测量，所述收发模块，还用于向所述基站发送所述终端生成的测量结果；或，
    所述收发模块，还用于根据所述控制器提供的信号配置信息发送位置跟踪信号。
  20. 根据权利要求18所述的终端，其特征在于，所述数据传输模块，具体用于在所述共享信道上接收所述第一基站和/或所述第二基站发送的下行数据；和/或，在所述共享信道上向所述第一基站和/或所述第二基站发送上行数据。
  21. 根据权利要求18至20中任一项所述的终端，其特征在于，所述控制器的控制功能由所述第一基站执行；或，
    当所述终端处于所述第一基站的覆盖区域时，由所述第一基站执行所述控制器的控制功能，当所述终端处于所述第二基站的覆盖区域时，由所述第二基站执行所述控制器的控制功能。
  22. 一种基站，其特征在于，所述基站具体为第一基站和/或第二基站，所述基站包括：收发模块和数据传输模块，其中，
    所述收发模块，用于从控制器接收终端的无线标识和所述控制器配置的控制信道资源；使用所述控制信道资源向所述终端发送控制信令；
    所述数据传输模块，用于通过所述基站和所述终端之间的共享信道传输数据。
  23. 根据权利要求22所述的基站，其特征在于，所述基站还包括：信道测量模块和判断模块，其中，
    所述收发模块，还用于接收所述终端发送的测量报告，所述终端发送的测量报告是所述终端按照所述控制器提供的测量配置信息进行信道测量并判断出所述第二基站与所述终端之间的无线信号测量量满足预置的第一信道条件时所述终端发送的，并向所述控制器转发所述终端发送的测量报告；或，
    所述收发模块，还用于接收所述终端发送的测量结果，所述终端发送的测量结果是所述终端按照所述控制器提供的测量配置信息进行信道测量后生成的，所述判断模块，用于根据所述测量结果判断出所述基站与所述终端之间的无线信号测量量满足预置的第二信道条件，所述收发模块，还用于向所述控制器发送测量报告；或，
    所述信道测量模块，用于对所述终端发送的位置跟踪信号进行信道测量后生成测量结果，所说收发模块，还用于向所述控制器发送所述基站生成的测量结果；或，
    所述信道测量模块，还用于对所述终端发送的位置跟踪信号进行信道测量，所述判断模块，还用于判断出所述基站与所述终端之间的无线信道测量量满足预置的第四信道条件，所述收发模块，还用于向所述控制器发送所述基站生成的测量报告。
  24. 根据权利要求22至23中任一项所述的基站，其特征在于，当所述基站为所述第一基站时，由所述第一基站执行所述控制器的控制功能；或，
    当所述终端处于所述第一基站的覆盖区域时，由所述第一基站执行所述控制器的控制功能，当所述终端处于所述第二基站的覆盖区域时，所述第一基站向所述第二基站发送控制功能移动指令，所述控制功能移动指令包括：所述终端的配置上下文。
  25. 一种终端的切换***，其特征在于，所述终端的切换***，包括：如权利要求13至17中任意一项所述的控制器、如权利要求18至权利要求21 中任意一项所述的终端、如权利要求22至权利要求24中任意一项所述的基站，所述基站是：第一基站和/或第二基站。
PCT/CN2016/111507 2015-12-31 2016-12-22 一种终端的切换方法和控制器、终端、基站以及*** WO2017114284A1 (zh)

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