CN113873543A - Cell management method and communication device - Google Patents

Cell management method and communication device Download PDF

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Publication number
CN113873543A
CN113873543A CN202010622094.1A CN202010622094A CN113873543A CN 113873543 A CN113873543 A CN 113873543A CN 202010622094 A CN202010622094 A CN 202010622094A CN 113873543 A CN113873543 A CN 113873543A
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China
Prior art keywords
cell
network device
information
request
request information
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CN202010622094.1A
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Chinese (zh)
Inventor
耿婷婷
严乐
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN202010622094.1A priority Critical patent/CN113873543A/en
Priority to PCT/CN2021/102301 priority patent/WO2022001857A1/en
Publication of CN113873543A publication Critical patent/CN113873543A/en
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    • 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
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • 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
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0061—Transmission or use of information for re-establishing the radio link of neighbour cell information
    • 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
    • H04W36/00835—Determination of neighbour cell lists
    • H04W36/008357—Determination of target cell based on access point [AP] properties, e.g. AP service capabilities

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The application relates to the technical field of communication, and discloses a cell management method and a communication device, wherein the method comprises the following steps: the first network equipment receives a first message from the terminal equipment, wherein the first message comprises information of an adjacent cell, and the adjacent cell comprises a first cell under the second network equipment; and the first network equipment sends first request information to the second network equipment through the core network equipment according to the first message, wherein the first request information is used for requesting to manage the first cell. The effect of cell management can be improved.

Description

Cell management method and communication device
Technical Field
The embodiment of the application relates to the technical field of communication, and in particular relates to a cell management method and a communication device.
Background
In a network energy saving scenario, management of a cell by a network device is involved, such as cell handover, cell activation, or cell shutdown.
The network device needs to acquire the cell information and manage the cell according to the cell information. There may be a direct interface between network devices, such as an Xn or X2 interface, through which a network device may obtain cell information under other network devices. However, an interface capable of direct communication may not exist between some network devices, so that the network devices cannot acquire cell information of other network devices without the direct communication interface, and thus cell management cannot be accurately achieved.
Disclosure of Invention
The embodiment of the application provides a cell management method and a communication device, which are intended to improve the effect of cell management.
In a first aspect, an embodiment of the present application provides a cell management method, including: a first network device receives a first message from a terminal device, wherein the first message comprises information of an adjacent cell, and the adjacent cell comprises a first cell under a second network device; and the first network equipment sends first request information to the second network equipment through core network equipment according to the first message, wherein the first request information is used for requesting to manage the first cell. By means of the method for reporting the information of the adjacent cells through the terminal equipment, the cell information does not need to be interacted between the network equipment, the method is suitable for a cell management scene under the network equipment without a direct interface, for example, if the first network equipment and the second network equipment do not have the direct interface, the first network equipment can manage the cells under the second network equipment through the core network equipment, and the effect of cell management can be improved.
In an optional implementation manner, the information of the neighboring cell includes any one or more of the following information: the identity, bandwidth, load, number of beams, maximum transmit power, or periodicity of reference signals of the neighbor cell.
In an optional implementation manner, the first request information is used for requesting to activate the first cell.
In an optional implementation manner, the first request message includes activation information, where the activation information indicates one or more of the following information: an activation reason, load information of the first network device, load information of a serving cell of the terminal device, or target load information of the first cell. By carrying the activation information, the second network device can flexibly perform cell activation according to the requirement of the first network device, thereby avoiding the occurrence of resource allocation waste or insufficiency caused by configuring fixed activation parameters and being beneficial to improving the utilization rate of network resources.
In an optional implementation, the method further includes: the first network equipment determines that a target cell switched by the terminal equipment is the first cell; the first network device determines that the first cell is in a deactivated state. When the first network equipment determines that the terminal equipment needs to switch to the first cell under the second network equipment, the first network equipment firstly determines that the first cell is in a deactivated state, and then sends a first request information request to activate the first cell, so that switching failure caused by direct switching can be avoided, and the effect of cell management is improved.
In an optional implementation manner, the determining, by the first network device, that the first cell is in a deactivated state includes: the first network equipment sends state request information to the second network equipment through the core network equipment, wherein the state request information is used for requesting a cell in a deactivated state under the second network equipment; the first network device receives state indication information from the second network device through the core network device, wherein the state indication information is used for indicating a deactivated cell of the second network device; if the cell indicated by the state indication information contains the first cell, the first network equipment determines that the first cell is in a deactivated state.
In an optional implementation manner, the first request information is further used for requesting handover to the first cell.
In an optional implementation manner, the determining, by the first network device, that the first cell is in a deactivated state includes: the first network device sends second request information to the second network device through the core network device, wherein the second request information is used for requesting to switch to the first cell; the first network device receives, through the core network device, information from the second network device indicating that the first cell is in a deactivated state.
In an optional implementation manner, the first request information is used to request handover to the first cell or the first request information is used to request to close the first cell, and the first cell is in an active state.
In an optional implementation, the method further includes: and the first network equipment sends a second message to the terminal equipment, wherein the second message is used for indicating the terminal equipment to acquire the information of the adjacent cell.
In a second aspect, an embodiment of the present application provides a cell management method, including: the second network equipment receives first request information from first terminal equipment through core network equipment, wherein the first request information is used for requesting to manage the first cell, and the first request information is determined by the first network equipment according to a first message sent by the terminal equipment; wherein the first message includes information of a neighboring cell, and the neighboring cell includes a first cell under the second network device; and the second network equipment manages the first cell according to the first request information.
According to the embodiment of the application, the cell information does not need to be interacted between the network devices in a mode of reporting the adjacent cell information by the terminal device, and the method and the device are suitable for a cell management scene under the network device without a direct interface.
In an optional implementation manner, the information of the neighboring cell may include any one or more of the following information: the identity, bandwidth, load, number of beams, maximum transmit power, or periodicity of reference signals of the neighbor cell.
In an optional implementation manner, the first request information is used for requesting to activate the first cell.
In an optional implementation manner, the first request message includes activation information, where the activation information indicates one or more of the following information: an activation reason, load information of the first network device, load information of a serving cell of the terminal device, or target load information of the first cell;
the second network device manages the first cell according to the first request information, and the management includes: and the second network equipment activates the first cell according to the activation information.
In an optional implementation manner, the first request information is used to request to perform handover to the first cell or the first request information is used to request to close the first cell, and the first cell is in a connected state.
In a third aspect, an embodiment of the present application provides a communication apparatus, including a communication module, configured to receive a first message from a terminal device, where the first message includes information of a neighboring cell, and the neighboring cell includes a first cell under a second network device; a processing module, configured to determine first request information according to the first message, where the first request information is used to request management of the first cell; the communication module is further configured to send the first request information to the second network device through a core network device.
The communication device in the embodiment of the application can be applied to the first network device, cell information does not need to be interacted between the network devices in a mode that the terminal device reports information of adjacent cells, and the communication device is suitable for a cell management scene under the network device without a direct interface.
In an optional implementation manner, the information of the neighboring cell includes any one or more of the following information: the identity, bandwidth, load, number of beams, maximum transmit power, or periodicity of reference signals of the neighbor cell.
In an optional implementation manner, the first request information is used for requesting to activate the first cell.
In an optional implementation manner, the first request message includes activation information, where the activation information indicates one or more of the following information: an activation reason, load information of the first network device, load information of a serving cell of the terminal device, or target load information of the first cell. By carrying the activation information, the second network device can flexibly perform cell activation according to the requirement of the first network device, thereby avoiding the occurrence of resource allocation waste or insufficiency caused by configuring fixed activation parameters and being beneficial to improving the utilization rate of network resources.
In an optional implementation manner, the processing module is further configured to: determining a target cell switched by the terminal equipment as the first cell; determining that the first cell is in a deactivated state. When the first network device determines that the terminal device needs to switch to the first cell under the second network device, the first network device determines that the first cell is in a deactivated state and sends the first request information to request to activate the first cell, so that switching failure caused by direct switching can be avoided, and the effect of cell management is improved.
In an optional implementation manner, the communication module is further configured to send, by the core network device, status request information to the second network device, where the status request information is used to request a cell in a deactivated state under the second network device; receiving, by the core network device, status indication information from the second network device, where the status indication information is used to indicate a cell in a deactivated state under the second network device; the processing module is further configured to determine that the first cell is in a deactivated state when the cell indicated by the status indication information includes the first cell.
In an optional implementation manner, the first request information is further used for requesting handover to the first cell.
In an optional implementation manner, the communication module is further configured to: sending second request information to the second network device through the core network device, wherein the second request information is used for requesting to switch to the first cell; receiving, by the core network device, information from the second network device indicating that the first cell is in a deactivated state.
In an optional implementation manner, the first request information is used to request handover to the first cell or the first request information is used to request to close the first cell, and the first cell is in an active state.
In an optional implementation manner, the communication module is further configured to send a second message to the terminal device, where the second message is used to instruct the terminal device to acquire the information of the neighboring cell.
In a fourth aspect, an embodiment of the present application provides a communication apparatus, including: a communication module, configured to receive, by a core network device, first request information from a first terminal device, where the first request information is used to request management of a first cell, and the first request information is determined by the first network device according to a first message sent by the terminal device; wherein the first message includes information of a neighboring cell, and the neighboring cell includes a first cell under the second network device; and the processing module is used for managing the first cell according to the first request information.
The communication device of the embodiment of the application is applied to a second network device, receives a request for managing a cell under the second network device from a first network device through a core network device, and manages the cell under the second network device according to the request. The first network device determines the information of the cell under the second network device in a mode of reporting the information of the adjacent cell by the terminal device, the cell information does not need to be interacted between the second network device and the first network device, and the accurate management of the adjacent cell is realized through the core network device under the condition that a direct interface is not arranged between the first network device and the second network device, so that the effect of managing the cell can be improved.
In an optional implementation manner, the information of the neighboring cell includes any one or more of the following information: the identity, bandwidth, load, number of beams, maximum transmit power, or periodicity of reference signals of the neighbor cell.
In an optional implementation manner, the first request information is used for requesting to activate the first cell.
In an optional implementation manner, the first request message includes activation information, where the activation information indicates one or more of the following information: an activation reason, load information of the first network device, load information of a serving cell of the terminal device, or target load information of the first cell; the processing module is further configured to activate, by the second network device, the first cell according to the activation information.
According to the embodiment of the application, the consideration of the relevant current load and the required target load of the first network equipment side is introduced, namely, the cell activation is flexibly carried out according to the requirement of the first network equipment, the situation that resource distribution is wasted or insufficient due to the configuration of fixed activation parameters is avoided, and the improvement of the utilization rate of network resources is facilitated.
In an optional implementation manner, the first request information is used to request to perform handover to the first cell or the first request information is used to request to close the first cell, and the first cell is in a connected state.
In a fifth aspect, an embodiment of the present application provides a communication apparatus, including: a processor and a memory; the memory for storing a computer program; the processor is configured to execute the computer program stored in the memory to enable the communication apparatus to perform the method of any of the possible implementation manners of the first aspect.
In a sixth aspect, an embodiment of the present application provides a communication apparatus, including: a processor and an interface circuit; the interface circuit is used for receiving code instructions and transmitting the code instructions to the processor; the processor is configured to execute the code instructions to perform the method of any possible implementation manner of the first aspect.
In a seventh aspect, an embodiment of the present application provides a computer-readable storage medium, where instructions are stored, and when the instructions are executed, the method in any possible implementation manner of the first aspect is implemented.
In an eighth aspect, an embodiment of the present application provides a computer program product, including: computer program code which, when executed, causes the method of any of the possible implementations of the first aspect described above to be performed.
For technical effects that can be achieved by the fourth aspect to the eighth aspect, please refer to technical effect descriptions that can be brought by corresponding technical solutions in the first aspect to the third aspect, and detailed descriptions thereof are omitted.
Drawings
Fig. 1 is a schematic structural diagram of a communication system according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a network device according to an embodiment of the present application;
fig. 3a is a flowchart illustrating a cell management method according to an embodiment of the present application;
fig. 3b is a second flowchart illustrating a cell management method according to an embodiment of the present application;
fig. 4 is a third schematic flowchart of a cell management method according to an embodiment of the present application;
fig. 5 is a fourth schematic flowchart of a cell management method according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a communication device according to an embodiment of the present disclosure;
fig. 7 is a second schematic structural diagram of a communication device according to an embodiment of the present application;
fig. 8 is a third schematic structural diagram of a communication device according to an embodiment of the present application.
Detailed Description
The embodiment of the application can be applied to a 4G system, a 5G system, a non-terrestrial network (NTN) system or a future mobile communication system.
As shown in fig. 1, a communication system architecture that may be adapted to the embodiment of the present application is a communication system architecture, where the system includes at least two network devices, a core network device, and a terminal device. Two network devices are illustrated in fig. 1, which may be represented by a first network device and a second network device. The terminal device is located in the coverage area of the first network device.
The terminal device is a device with a wireless transceiving function, and the terminal device can be deployed on land, including indoors or outdoors. The terminal equipment can be handheld equipment or vehicle-mounted equipment; can also be deployed on the water surface (such as a ship and the like); and may also be deployed in the air (e.g., airplanes, balloons, satellites, etc.). The terminal device may specifically be a mobile phone (mobile phone), a tablet (pad), a computer with a wireless transceiving function, a Virtual Reality (VR) terminal device, an Augmented Reality (AR) terminal device, a wireless terminal device in industrial control (industrial control), a wireless terminal device in self driving (self driving), a wireless terminal device in remote medical treatment (remote medical), a wireless terminal device in smart grid (smart grid), a wireless terminal in transportation safety (transportation safety), a wireless terminal device in smart city (smart city), a wireless terminal in smart home (smart home), and may further include a User Equipment (UE), and the like. The terminal device may also be a device that serves a terminal function in device-to-device (D2D) communication.
A network device is a device in a wireless network, such as a Radio Access Network (RAN) node that accesses a terminal device to the wireless network. Currently, some examples of RAN nodes are: a base station device (gNB), a Transmission Reception Point (TRP), an evolved Node B (eNB), a Radio Network Controller (RNC), a Node B (NB), a Base Station Controller (BSC), a Base Transceiver Station (BTS), a home base station (e.g., home evolved Node B or home Node B, HNB), a Base Band Unit (BBU), or a wireless fidelity (Wifi) Access Point (AP), an integrated access and backhaul (eNB), etc. in a 5G network. The network device may also be a device in D2D communication that serves the function of a base station.
The network device may also be an architecture comprising Centralized Units (CUs) and/or Distributed Units (DUs). Fig. 2 illustrates a structure of a CU-DU separated network device, which may include CU nodes and DU nodes.
In an alternative embodiment, the hub unit CU nodes may be divided into control plane (CU-CP) and user plane (CU-UP), and the network device may specifically include at least one of the CU-CP, CU-UP and DU nodes. The CU-CP is responsible for controlling a plane function, and mainly includes Radio Resource Control (RRC) and Packet Data Convergence Protocol (PDCP) -C. The PDCP-C is mainly responsible for encryption and decryption of control plane data, integrity protection, data transmission and the like. The CU-UP is responsible for user plane functions and mainly comprises a Service Data Adaptation Protocol (SDAP) and a PDCP-U. Wherein the SDAP is mainly responsible for processing data of a core network and mapping flow to a bearer. The PDCP-U is mainly responsible for encryption and decryption of a data plane, integrity protection, header compression, serial number maintenance, data transmission and the like. The CU-CP and the CU-UP are connected through an E1 interface; CU-CP is connected with DU through F1-C (control plane), and CU-UP is connected with DU through F1-U (user plane). Furthermore, the CU-CP may also be connected to the core network via an Ng interface on behalf of the CU. Optionally, the PDCP-C may also be deployed in the CU-UP, which is not limited in this embodiment. The DU node includes a Radio Link Control (RLC), a Medium Access Control (MAC) layer, and a physical layer (PHY).
In another alternative embodiment, the network device may specifically include a RAN device of a CU node and a DU node. The CU and the RAN devices are connected via F1 interface, and the RAN devices contain RLC, MAC and PHY.
The core network device is mainly responsible for access management, mobility management, such as registration management, connection management, mobility management, reachability management, and the like, of the terminal device. For example, in the LTE system, the core network device may include at least one of a mobility management function (MME) and an access management function (apf) in a Mobility Management Entity (MME); in a 5G network, a core network device may include at least one of an access and mobility management function (AMF), a Session Management Function (SMF), and a user plane management function (UPF).
In the embodiment of the present application, a first network device reports information of a neighboring cell through a terminal device, obtains cell information in the neighboring cell under a second network device, and then manages the cell under the second network device through a core network device, without interacting cell information between the network devices, which is suitable for a scenario of cell management under a network device without a direct interface, for example, when a direct interface does not exist between the first network device and the second network device, the first network device may manage the cell under the second network device through the core network device, and an effect of cell management may be improved.
In an optional implementation manner, the first network device and the second network device may be similar network devices in different network systems, and take the network device as a base station device as an example, where the similar base station devices in different network systems belong to inter-system intra-RAT (inter-system intra-RAT), the inter-system is defined by different network systems to which the core network device belongs, and the same system is defined by the same type of the base station device. For example, one of the LTE base stations may be an LTE base station connected to a 4G core network device, and the other LTE base station may be an LTE base station connected to a 5G core network device. In another optional implementation manner, the first network device and the second network device may be different network devices in the same network system, and take the network device as a base station device as an example, where different base station devices in the same network system belong to the same-system inter-RAT (intra-system inter-RAT), the same system is defined by the same network system to which the core network device belongs, and the different systems are defined by different types of the base station devices. For example, one of the LTE base stations may be connected to a 5G core network device, and the other may be connected to an NR base station of the 5G core network device.
The number of the core network devices between the first network device and the second network device may be one or more, and fig. 1 illustrates one core network device, but the message between the first network device and the second network device is not limited to be transmitted through one core network device.
The embodiment of the application provides a cell management method and a communication device, which can be applied to a communication system illustrated in fig. 1. The network equipment acquires the information of cells belonging to other network equipment in the adjacent cells based on the adjacent cell information reported by the terminal equipment, so as to avoid cell management errors caused by the fact that the cell information cannot be interacted with a base station without a direct interface.
It is understood that, in the embodiment of the present application, the terminal device, the first network device, the second network device, and/or the core network device may perform some or all of the steps in the embodiment of the present application, and these steps or operations are merely examples, and the embodiment of the present application may also perform other operations or various operation variations. Further, the various steps may be performed in a different order presented in the embodiments of the application, and not all operations in the embodiments of the application may be performed.
The embodiments of the present application will be described in detail below with reference to the accompanying drawings. The plural referred to in the present application means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. In addition, it should be understood that although the terms first, second, etc. may be used to describe various data in embodiments of the present invention, these data should not be limited by these terms. These terms are only used to distinguish the data from each other.
As shown in fig. 3a, an embodiment of the present application provides a cell management method, which is described as follows.
S300, the first network equipment determines a neighbor cell of a service cell where the terminal equipment is located.
The first network device may determine the neighboring cell of the serving cell where the terminal device is located through the identifier of the neighboring cell reported by the terminal device. The identifier of the neighboring cell may include a Cell Global Identifier (CGI), a Physical Cell Identifier (PCI), and a frequency point: one or more of an Absolute Radio Frequency Channel Number (ARFCN) and a cell identifier (cell identifier), which is not limited in this embodiment of the present application.
It should be noted that S300 is an optional step, and is indicated by a dotted line in fig. 3a, which may be omitted, that is, S301 may be directly executed without executing S300, which is not limited in the embodiment of the present application.
S301, the first network device sends a second message to the terminal device, and the terminal device receives the second message from the first network device.
And the second message is used for indicating the terminal equipment to acquire the information of the adjacent cell. Optionally, the second message includes the information of the neighboring cell, and the terminal device, in response to the second message, acquires the information of the neighboring cell included in the second message, carries the acquired information of the neighboring cell in the first message, and sends the information to the first network device. Optionally, the second message does not include the information of the neighboring cell, and the terminal device obtains the information of the neighboring cell by itself, and carries the obtained information of the neighboring cell in the first message and sends the first message to the first network device.
Further, the first network device may also specifically instruct the terminal device to acquire information of part or all of the neighboring cells, that is, optionally, the second message is used to instruct the terminal device to acquire information of part or all of the neighboring cells. In an optional implementation manner, the first network device may carry the identifiers of one or more neighboring cells in the second message, and the second terminal device receives the second message and acquires the information of the neighboring cells belonging to the identifiers carried in the second message. In another optional embodiment, the first network device may carry, in the second message, identifiers of one or more neighboring cells and one or more acquisition marks, where the identifiers of the neighboring cells correspond to the acquisition marks in a one-to-one manner, and the acquisition marks are used to indicate whether to acquire information of the neighboring cells corresponding to the acquisition marks. Specifically, an acquisition flag may be set to be "0" for instructing the terminal device not to acquire information of the neighboring cell corresponding to the acquisition flag; an acquisition flag is set to be a bit "1" for instructing the terminal device to acquire information of a neighboring cell corresponding to the acquisition flag.
Based on this, the first network device may determine, among the neighboring cells, a neighboring cell that satisfies a condition that: the network device to which the neighboring cell belongs does not have a direct interface with the first network device. Carrying the identification of the neighbor cell meeting the condition in the second message; or the terminal device is instructed to acquire the information of the neighboring cell, to which the network device and the first network device do not have a direct interface, by carrying the identifier of the neighboring cell reported by the terminal device in the second message and the acquisition flag corresponding to the identifier of each neighboring cell, and setting the acquisition flag corresponding to the identifier of the neighboring cell meeting the condition to be bit "1". The terminal device obtains the information of the neighboring cells which do not have direct interfaces between the network device and the first network device according to the second message, and reports the information to the network device.
It should be noted that S301 is an optional step, and is indicated by a dotted line in fig. 3a, which may be omitted, that is, S302 may be directly executed without executing S301, which is not limited in the embodiment of the present application.
S302, the terminal device sends a first message to the first network device, and the first network device receives the first message from the terminal device.
The first message includes information of a neighboring cell, the neighboring cell including a first cell under the second network device.
The information of the neighboring cell may include any one or more of the following items of information: identity of neighbor cell, bandwidth, load, number of beams (beams), maximum transmit power, or periodicity of reference signal. The reference signal includes: a physical broadcast channel Block (PBCH Block), a Synchronization Signal Block (SSB), or a synchronization signal/physical broadcast channel Block (SS/PBCH Block), etc. The load may be at the network slice level, at the Public Land Mobile Network (PLMN) level, at the private network (NPN) level, or at the traffic type level.
Optionally, without performing the foregoing S301 to S302, the terminal device obtains information of the neighboring cell by itself, and sends the obtained information of the neighboring cell to the first network device by carrying the obtained information of the neighboring cell in the first message.
S304, the first network device sends the first request information to the second network device through the core network device according to the first message, and the second network device receives the first request information from the first network device through the core network device.
The first request information is for requesting management of the first cell. Specifically, the first network device sends the first request information to the core network device, and the core network device sends the received first request information to the second network device.
In the embodiment of the application, the first network device reports information of the neighboring cell through the terminal device to obtain cell information belonging to the second network device in the neighboring cell, and then manages the cell under the second network device through the core network device, without interacting cell information between the network devices, which is suitable for a scenario of cell management under a network device without a direct interface.
The following exemplifies a manner in which the first request information is used to request management of the first cell, and the first cell is managed.
In an optional implementation manner, the first cell is in a deactivated state, and the first request information sent by the first network device in S304 is used to request to activate the first cell. And the second network equipment activates the first cell when receiving the first request information. And when the first request information is an activation request corresponding to the first cell, the second network equipment executes activation operation on the first cell when receiving the first request information.
The deactivated state of the cell may be understood as a state in which the cell is completely closed, a state in which the cell closes a part of the common channels, a state in which the cell opens only a part of the common channels, a state in which the cell does not support a service for a terminal device in a non-connected state, a state in which the cell does not support a service for a terminal device in a connected state, and the like. The active state of a cell may be understood as that all common channels of the cell normally transmit or that the cell supports services to non-connected terminal devices.
Optionally, the first request message includes activation information, and the activation information indicates one or more of the following information: the activation reason, the load information of the first network device, the load information of the serving cell of the terminal device, or the target load information of the first cell. The activation reason may be "load", target load information of the first cell indicates load information that needs to be adjusted to the first cell, and the load information includes at least one of information such as resource occupancy, usage percentage of guaranteed rate (GBR)/Non-guaranteed rate (Non-GBR), cell capacity class, and available capacity percentage. The second network device receives the first request message, and can activate the first cell according to the activation message contained in the first request message. By carrying the activation information, the second network device can flexibly perform cell activation according to the requirement of the first network device, thereby avoiding the occurrence of resource allocation waste or insufficiency caused by configuring fixed activation parameters and being beneficial to improving the utilization rate of network resources.
In an alternative embodiment, the first network device may send the first request information to request to activate the first cell based on the requirement of cell management, such as load balancing or cell handover; or adjusting the state of the neighboring cell, and sending the first request information to request to activate the cell in the deactivated state under the second network device, for example, the first cell.
Take the example that the first network device determines that it needs to share the load in the neighboring cell and requests to activate the first cell. Optionally, the first network device sends the first request information to the second network device through the core network device according to the first message, where the method further includes: the first network equipment determines a target cell for sharing load as a first cell; the first network device determines that the first cell is in a deactivated state.
The first network device may determine a target cell for load sharing according to information of the neighboring cells in the first message. Specifically, the target cell may be determined according to the bandwidth of the neighboring cell and/or other information, for example, considering network energy saving, and the cell with a small bandwidth under the second network device is determined as the target cell for load sharing. And determining a target cell which can be used for load sharing by comprehensively considering factors such as load needing to be transferred and the like.
Take the example where the first network device determines that a cell handover is required and requests activation of the first cell. Optionally, before the first network device sends the first request information to the second network device through the core network device, the method may further include: the first network equipment determines that a target cell switched by the terminal equipment is a first cell; the first network device determines that the first cell is in a deactivated state.
The first network device may store information of the neighboring cell in the first message, and then determine a target cell to which the terminal device is switched according to the information of the neighboring cell. Specifically, the target cell may be determined according to the load of the neighboring cell and/or other information, for example, a cell with a low load under the second network device is determined as a target cell for handover.
Further, as shown in fig. 3b, the embodiment of the present application, based on the cell management method illustrated in fig. 3a, shows that before S304, the step of "S303: the first network device determines that the first cell is in a deactivated state ". This step S303 is performed before S304 in the case where the first request information is for requesting activation of the first cell.
Optionally, the first network device may determine that the first cell is in the deactivated state by referring to the following manner (1) or manner (2).
Mode (1): the first network device may determine that the first cell is in the deactivated state through the following steps a 1-A3.
A1, the first network device sends status request information to the second network device through the core network device, where the status request information is used to request the deactivated cell of the second network device.
Specifically, the first network device sends the status request information to the core network device, and the core network device sends the received status request information to the second network device.
A2, the first network device receives, through the core network device, status indication information from the second network device, where the status indication information is used to indicate a cell in a deactivated state under the second network device.
Specifically, the second network device sends the status indication information to the core network device, and the core network device sends the received status indication information to the first network device.
A3, if the cell indicated by the status indication information contains the first cell, the first network device determines that the first cell is in a deactivated state.
In the embodiment of the application, when it is determined that the terminal device needs to switch to the first cell under the second network device, the first network device first sends the first request information to the second network device through the core network device, and requests to activate the first cell under the first network device in a deactivated state, so that switching failure caused by direct switching can be avoided, and thus the cell management effect is improved. In addition, it should be noted that, in the embodiment of the present application, it is not limited to learn only the cell in the deactivated state under the second network device through the status request information/status indication information. For example, the status request information may also be used to request the status of the neighboring cell belonging to the second network device, and correspondingly, the status indication information may also be used to indicate the status of the neighboring cell belonging to the second network device; the first network device may determine whether the first cell is in a deactivated state based on the received status indication information.
Mode (2): the first network device may also determine that the first cell is in the deactivated state by the following steps B1 and B2.
B1, the first network device sends a second request message to the second network device through the core network device, where the second request message is used to request to perform handover to the first cell.
Specifically, the first network device sends the second request information to the core network device, and the core network device sends the received second request information to the second network device.
B2, the first network device receives the information indicating that the first cell is in the deactivated state from the second network device through the core network device.
Specifically, the second network device sends the information indicating that the first cell is in the deactivated state to the core network device, and the core network device sends the received information indicating that the first cell is in the deactivated state to the first network device.
Further, optionally, the second network device may also send the information of the first cell to the first network device through the core network device, and the first network device determines whether to switch the terminal device to the first cell according to the received information of the first cell.
Specifically, the second network device may send a HANDOVER FAILURE (HANDOVER FAILURE) message to the core network device, where the HANDOVER FAILURE message carries information used for indicating that the first cell is in a deactivated state and/or information of the first cell. The core network device sends a HANDOVER preparation FAILURE (HANDOVER FAILURE) message to the first network device, where the HANDOVER preparation FAILURE message carries information for indicating that the first cell is in a deactivated state and/or information of the first cell.
In the embodiment of the application, when receiving a handover request for a first cell, if the first cell is in a deactivated state, a second network device sends information for indicating that the first cell is in the deactivated state to the first network device through a core network device, so that the first network device can obtain the information of the deactivated state of the first cell and/or the information of the first cell, and avoid handing over a terminal device to the first cell; or when the first network equipment determines to switch the terminal equipment and adjust/transfer the load to the first cell, the first network equipment initiates a first request message requesting to activate the first cell, so as to avoid switching failure.
In an alternative embodiment, the first request message is used to request activation of the first cell and handover to the first cell. Optionally, the first request information includes an activation request and a handover request corresponding to the first cell.
In an optional implementation manner, the first network device may also perform energy saving processing on the neighboring cell in the activated state under the second network device, such as load balancing, cell switching, and turning off/deactivating a cell that may not be turned on. The first request information is used to request for handover to the first cell or the first request information is used to request for closing the first cell, and the first cell is in an active state.
Optionally, the first network device may send status request information for requesting a status of a neighboring cell belonging to the second network device according to the method in the foregoing embodiment, and receive status indication information for indicating the status of the neighboring cell belonging to the second network device. And the first network equipment determines the adjacent cell in the activated state under the second network equipment according to the state indication information.
Optionally, before the first network device sends the first request information to the second network device through the core network device, the method further includes: and the first network equipment determines a target cell to be closed under the second network equipment according to the acquired information of the adjacent cell, or the first network equipment determines that the switched target cell is a first cell under the second network equipment according to the first message.
The first network device determines a target cell to be closed under the second network device according to the acquired information of the neighboring cell, and may refer to the following implementation: and the first network equipment determines the cell to be closed according to the information of the adjacent cell contained in the first message or the information of the adjacent cell under the second access network equipment acquired by the core network equipment and/or the information of the service cell of the terminal equipment. For example, a neighboring cell with more beams, a neighboring cell with a larger bandwidth, or a neighboring cell with less load, which may share the load, may be preferentially determined as the target cell to be turned off, i.e., the first cell. If the terminal device reports multiple pieces of information of the neighboring cell, different weight coefficients can be set for the multiple pieces of information, and the target cell to be closed can be determined through weight scoring. The embodiment of the present application does not limit this.
The first network device determines, according to the first message, that the target cell for handover under the second network device is the first cell under the second network device, which may be specifically determining the target cell according to the load of the neighboring cell and/or other information, for example, determining the cell with low load under the second network device as the target cell for handover, that is, the first cell.
In an alternative embodiment, the method further comprises:
s305, the second network device sends the first indication information to the first network device through the core network device, and the first network device receives the first indication information from the second network device through the core network device.
Specifically, the second network device sends the first indication information to the core network device, and the core network device sends the received first indication information to the first network device.
The first indication information is used as a response to the first request information, and if the first request information is used for requesting to activate the first cell, the second network device sends the first indication information after activating the first cell, wherein the first indication information is used for indicating to activate the first cell; if the first request information is used for requesting to activate the first cell and switching to the first cell, the second network equipment activates the first cell and determines whether to accept the cell switching and then sends first indication information, wherein the first indication information is used for indicating whether to accept or reject the switching request corresponding to the first cell; if the first cell is in the activated state, the first request information is used for requesting to switch to the first cell, the second network equipment sends first indication information after determining whether to accept cell switching, and the first indication information is used for indicating whether to accept or reject the switching request corresponding to the first cell; if the first request information is used for requesting to close the first cell under the condition that the first cell is in the activated state, the second network equipment sends first indication information after determining whether to close the cell, and the first indication information is used for indicating to close or not to close the cell.
Exemplarily, S305 is illustrated in fig. 3 a: and the first indication information is sent by the second network equipment. Fig. 3b illustrates that the first request information sent by the first network device in S304 is specifically an activation request corresponding to the first cell; correspondingly, the second network device activates the first cell after receiving the first request message, and in S305, the first indication message sent by the second network device is specifically an activation indication corresponding to the first cell.
As shown in fig. 4, an embodiment of the present application provides another cell management method, which includes the following steps.
S401, the first network equipment sends a second message to the terminal equipment, and the second message is used for indicating the terminal equipment to acquire the information of the adjacent cell.
S402, the terminal device obtains the information of the adjacent cell according to the second message, wherein the adjacent cell comprises the first cell under the second network device.
S403, the terminal device sends a first message to the first network device, wherein the first message comprises the acquired information of the adjacent cell; correspondingly, the first network device stores information of the neighbor cell.
S404, the first network device sends a third message carrying first request information to the core network device, where the first request information is used to request to activate the first cell and perform handover to the first cell.
S405, the core network device sends a fourth message to the second network device, where the fourth message carries the first request information.
S406, the second network device sends a fifth message carrying the first indication information to the core network device, where the first indication information is used to indicate acceptance or rejection of the handover request corresponding to the first cell.
S407, the core network device sends a sixth message to the first network device, where the sixth message carries the first indication information.
In the embodiment of the application, the first network device sends the activation request and the switching request corresponding to the first cell to the second network device through the core network device, so that the error of directly requesting for switching when the first cell is in a deactivated state is avoided.
Further, for convenience of implementation, in the embodiment of the present application, taking an Ng interface-based Handover (HO) procedure as an example, a further cell management method is provided, as shown in fig. 5, a procedure in which an egress base station (S-gNB1) initiates a handover to a destination base station (T-gNB2) through a core network device (AMF1), which specifically includes the following steps.
S501, the S-gNB1 receives a measurement report (measurement report) reported by the UE under the S-gNB1, wherein the measurement report includes information of a neighboring cell of a serving cell of the UE.
S502, S-gNB1 transmits a handover REQUIRED (HO REQUIRED) message to AMF1, the handover REQUIRED message indicating a target cell for handover of a UE in a neighbor cell. Optionally, if it is determined that the target cell is in the deactivated state, the handover request message further carries an activation request of the target cell. As another possible implementation manner, the handover request message may implicitly indicate an activation request for the target cell, for example, the network device and the core network device may negotiate in advance, and when the target cell corresponding to the received handover request message is in a deactivated state, the activation request for the target cell is implicit.
S503, the AMF1 transmits a handover REQUEST (HO REQUEST) message to the T-gNB2, the handover REQUEST being for requesting a target cell for handover of the UE among the neighbor cells. Optionally, if it is determined that the target cell is in the deactivated state, the handover request further carries an activation request of the target cell. As another possible implementation, the handover request message may implicitly indicate an activation request for the target cell. If negotiation can be performed in advance between the network device and the core network device, when the target cell corresponding to the received handover request message is in the deactivated state, the activation request of the corresponding target cell is implied.
Optionally, the T-gNB2 receives the HO REQUEST and determines whether to accept the handover REQUEST corresponding to the target cell. If so, the steps S504a, S505a and S506 are executed subsequently:
s504a, T-gNB2 accepts HO REQUEST (i.e., HO success), and T-gNB2 sends AMF1 a handoff REQUEST acknowledgement (HO REQUEST ACK) message.
Optionally, the T-gNB2 accepts the HO REQUEST, and may implicitly indicate that the target cell has been activated, or implicitly indicate that the REQUEST for activation of the target cell is accepted.
S505a, AMF1 sends a handover COMMAND (HO COMMAND) message to S-gNB 1.
S506, the S-gNB1 sends a connection reconfiguration (RRC connection reconfiguration/RRC reconfiguration) message to the UE, so that the UE establishes a connection to the handover target cell.
Otherwise, executing S504b, S505 b:
s504b, T-gNB2 rejects HO REQUEST (i.e., HO FAILURE), and T-gNB2 sends a Handover FAILURE (HANDOVER FAILURE) message to AMF 1.
Optionally, the T-gNB2 may also carry information indicating whether the target cell is active or not in a HANDOVER FAILURE (HANDOVER FAILURE) message.
S505b, AMF1 sends a HANDOVER preparation FAILURE (HANDOVER FAILURE) message to S-gNB 1.
Optionally, the AMF1 may also send information indicating whether the target cell is active to the S-gNB 1.
Based on the same technical concept, referring to fig. 6, an embodiment of the present application provides a communication apparatus 600, where the communication apparatus 600 may be applied to a first network device, and specifically, the communication apparatus 600 may be the first network device, and may also be an apparatus that is applied to the first network device and is capable of supporting the first network device to execute the cell management method. The communication device 600 includes: a communication module 601, configured to receive a first message from a terminal device, where the first message includes information of a neighboring cell, and the neighboring cell includes a first cell under a second network device; a processing module 602, configured to determine first request information according to the first message, where the first request information is used to request management of a first cell; the communication module 601 is further configured to send the first request information to the second network device through the core network device.
In the embodiment of the application, cell information does not need to be interacted between network devices in a manner that terminal devices report adjacent cell information, and the method and the device are suitable for a cell management scene under a network device without a direct interface.
In an optional embodiment, the information of the neighboring cell includes any one or more of the following information: identity of neighbor cell, bandwidth, load, number of beams, maximum transmit power, or periodicity of reference signal.
In an alternative embodiment, the first request information is for requesting activation of the first cell. Correspondingly, the first request message includes activation information, and the activation information indicates one or more of the following information: the activation reason, the load information of the first network device, the load information of the serving cell of the terminal device, or the target load information of the first cell. By carrying the activation information, the second network device can flexibly perform cell activation according to the requirement of the first network device, thereby avoiding the occurrence of resource allocation waste or insufficiency caused by configuring fixed activation parameters and being beneficial to improving the utilization rate of network resources.
In an optional implementation, the processing module 602 is further configured to: determining a target cell switched by the terminal equipment as a first cell; it is determined that the first cell is in a deactivated state. Correspondingly, when the first network device determines that the terminal device needs to switch to the first cell under the second network device, the first network device determines that the first cell is in a deactivated state and sends the first request information to request to activate the first cell, so that switching failure caused by direct switching can be avoided, and the effect of cell management is improved.
In an optional implementation manner, the communication module 601 is further configured to send status request information to the second network device through the core network device, where the status request information is used to request a cell in a deactivated state under the second network device; receiving state indication information from the second network equipment through the core network equipment, wherein the state indication information is used for indicating a deactivated cell under the second network equipment; the processing module is further configured to determine that the first cell is in a deactivated state when the cell indicated by the state indication information includes the first cell.
In an optional embodiment, the first request information is further used for requesting handover to the first cell. Accordingly, the communication module 601 is further configured to: sending second request information to second network equipment through the core network equipment, wherein the second request information is used for requesting to switch to the first cell; receiving, by the core network device, information from the second network device indicating that the first cell is in a deactivated state.
In an optional embodiment, the first request information is used to request handover to the first cell or the first request information is used to request shutdown of the first cell, and the first cell is in an active state.
In an optional implementation manner, the communication module 601 is further configured to send a second message to the terminal device, where the second message is used to instruct the terminal device to acquire information of the neighboring cell.
Based on the same concept, as shown in fig. 7, another communication apparatus 700 is provided in the embodiments of the present application. Illustratively, the communication device 700 may be a chip or a system of chips. Optionally, the chip system in the embodiment of the present application may be composed of a chip, and may also include a chip and other discrete devices.
The communication device 700 may include at least one processor 710 and the communication device 700 may also include at least one memory 720 for storing computer programs, program instructions, and/or data. A memory 720 is coupled to the processor 710.
The coupling in the embodiments of the present application is an indirect coupling or a communication connection between devices, units or modules, and may be an electrical, mechanical or other form for information interaction between the devices, units or modules. The processor 710 may operate in conjunction with the memory 720. Memory 720 holds the necessary computer programs, program instructions and/or data to implement any of the embodiments described above; the processor 710 may execute a computer program stored in the memory 720 to perform the method of any of the above embodiments. Optionally, at least one of the at least one memory 720 may be included in the processor 710.
The communication apparatus 700 may further include a transceiver 730, and the communication apparatus 700 may perform information interaction with other devices, such as the aforementioned core network device or terminal device, through the transceiver 730. The transceiver 730 may be a circuit, a bus, a transceiver, or any other device that may be used to exchange information.
In a possible implementation manner, the communication apparatus 700 may be applied to a first network device, and specifically, the communication apparatus 700 may be the first network device, and may also be an apparatus capable of supporting the first network device and implementing the function of the first network device in any of the above-mentioned embodiments. The memory 720 holds the necessary computer programs, program instructions and/or data to implement the functionality of the first network device in any of the embodiments described above. The processor 710 can execute the computer program stored in the memory 720 to perform the method performed by the first network device in any of the above embodiments.
The specific connection medium among the transceiver 730, the processor 710 and the memory 720 is not limited in the embodiments of the present application. In the embodiment of the present application, the memory 720, the processor 710, and the transceiver 730 are connected by a bus in fig. 7, the bus is represented by a thick line in fig. 7, and the connection manner between other components is merely illustrative and not limited thereto. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in FIG. 7, but this is not intended to represent only one bus or type of bus.
In the embodiments of the present application, the processor may be a general purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof, and may implement or perform the methods, steps, and logic blocks disclosed in the embodiments of the present application. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of a method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware processor, or may be implemented by a combination of hardware and software modules in a processor.
In the embodiment of the present application, the memory may be a nonvolatile memory, such as a Hard Disk Drive (HDD) or a solid-state drive (SSD), and may also be a volatile memory, for example, a random-access memory (RAM). The memory can also be, but is not limited to, any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer. The memory in the embodiments of the present application may also be circuitry or any other device capable of performing a storage function for storing computer programs, program instructions and/or data.
Based on the above embodiments, referring to fig. 8, the present application provides another communication apparatus 800, including: an interface circuit 810 and a processor 820; an interface circuit 810 for receiving code instructions and transmitting them to the processor; a processor 820 for executing the code instructions to perform the method performed by the communication apparatus in any of the above embodiments.
Based on the above embodiments, the present application also provides a computer-readable storage medium storing instructions that, when executed, cause a communication apparatus to perform the method in any of the above embodiments. The computer-readable storage medium may include: u disk, removable hard disk, read only memory, random access memory, magnetic or optical disk, etc. for storing program codes.
In order to implement the functions of the communication apparatus described in fig. 6 to fig. 7, an embodiment of the present application further provides a chip, which includes a processor, and is configured to support the communication apparatus to implement the functions related to the terminal or the network device in the foregoing method embodiments. In one possible design, the chip is connected to or includes a memory for storing the necessary program instructions and data of the communication device.
Embodiments of the present application provide a computer program product comprising instructions which, when run on a computer, cause the computer to perform the above-described method embodiments.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present application without departing from the scope of the embodiments of the present application. Thus, if such modifications and variations of the embodiments of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to encompass such modifications and variations.

Claims (23)

1. A method of cell management, comprising:
a first network device receives a first message from a terminal device, wherein the first message comprises information of an adjacent cell, and the adjacent cell comprises a first cell under a second network device;
and the first network equipment sends first request information to the second network equipment through core network equipment according to the first message, wherein the first request information is used for requesting to manage the first cell.
2. The method of claim 1, wherein the information of the neighbor cell comprises any one or more of: the identity, bandwidth, load, number of beams, maximum transmit power, or periodicity of reference signals of the neighbor cell.
3. The method of claim 1 or 2, wherein the first request information is for requesting activation of the first cell.
4. The method of claim 3, wherein the first request message includes activation information indicating one or more of: an activation reason, load information of the first network device, load information of a serving cell of the terminal device, or target load information of the first cell.
5. The method of claim 3 or 4, further comprising:
the first network equipment determines that a target cell switched by the terminal equipment is the first cell;
the first network device determines that the first cell is in a deactivated state.
6. The method of claim 5, wherein the first network device determining that the first cell is in a deactivated state comprises:
the first network equipment sends state request information to the second network equipment through the core network equipment, wherein the state request information is used for requesting a cell in a deactivated state under the second network equipment;
the first network device receives state indication information from the second network device through the core network device, wherein the state indication information is used for indicating a deactivated cell of the second network device;
if the cell indicated by the state indication information contains the first cell, the first network equipment determines that the first cell is in a deactivated state.
7. The method of claim 6, wherein the first request information is also for requesting a handover to the first cell.
8. The method of claim 5, wherein the first network device determining that the first cell is in a deactivated state comprises:
the first network device sends second request information to the second network device through the core network device, wherein the second request information is used for requesting to switch to the first cell;
the first network device receives, through the core network device, information from the second network device indicating that the first cell is in a deactivated state.
9. The method of claim 1 or 2, wherein the first request information is for requesting handover to the first cell or the first request information is for requesting shutdown of the first cell, the first cell being in an active state.
10. The method of any one of claims 1-9, further comprising:
and the first network equipment sends a second message to the terminal equipment, wherein the second message is used for indicating the terminal equipment to acquire the information of the adjacent cell.
11. A communications apparatus, comprising:
a communication module, configured to receive a first message from a terminal device, where the first message includes information of an adjacent cell, and the adjacent cell includes a first cell under a second network device;
a processing module, configured to determine first request information according to the first message, where the first request information is used to request management of the first cell;
the communication module is further configured to send the first request information to the second network device through a core network device.
12. The apparatus of claim 11, wherein the information of the neighbor cell comprises any one or more of: the identity, bandwidth, load, number of beams, maximum transmit power, or periodicity of reference signals of the neighbor cell.
13. The apparatus of claim 11 or 12, wherein the first request information is for requesting activation of the first cell.
14. The apparatus of claim 13, wherein the first request information comprises activation information indicating one or more of: an activation reason, load information of the first network device, load information of a serving cell of the terminal device, or target load information of the first cell.
15. The apparatus of claim 13 or 14, wherein the processing module is further configured to:
determining a target cell switched by the terminal equipment as the first cell;
determining that the first cell is in a deactivated state.
16. The apparatus of claim 15,
the communication module is further configured to send status request information to the second network device through the core network device, where the status request information is used to request a cell in a deactivated state under the second network device; receiving, by the core network device, status indication information from the second network device, where the status indication information is used to indicate a cell in a deactivated state under the second network device;
the processing module is further configured to determine that the first cell is in a deactivated state when the cell indicated by the status indication information includes the first cell.
17. The apparatus of claim 16, wherein the first request information is further for requesting a handover to the first cell.
18. The apparatus of claim 15, wherein the communication module is further configured to:
sending second request information to the second network device through the core network device, wherein the second request information is used for requesting to switch to the first cell;
receiving, by the core network device, information from the second network device indicating that the first cell is in a deactivated state.
19. The apparatus of claim 11 or 12, wherein the first request information is for requesting handover to the first cell or the first request information is for requesting shutdown of the first cell, the first cell being in an active state.
20. The apparatus of any of claims 11-19, wherein the communication module is further configured to send a second message to the terminal device, the second message being used to instruct the terminal device to obtain the information of the neighboring cell.
21. A communications apparatus, comprising: a processor and a memory;
the memory for storing a computer program;
the processor to execute a computer program stored in the memory to cause the method of any of claims 1 to 10 to be performed.
22. A communications apparatus, comprising: a processor and an interface circuit;
the interface circuit is used for receiving code instructions and transmitting the code instructions to the processor;
the processor is configured to execute the code instructions to cause the method of any of claims 1 to 10 to be performed.
23. A computer-readable storage medium storing instructions that, when executed, cause the method of any one of claims 1 to 10 to be implemented.
CN202010622094.1A 2020-06-30 2020-06-30 Cell management method and communication device Pending CN113873543A (en)

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