WO2018059329A1 - 一种数据传输的方法及设备 - Google Patents

一种数据传输的方法及设备 Download PDF

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Publication number
WO2018059329A1
WO2018059329A1 PCT/CN2017/103001 CN2017103001W WO2018059329A1 WO 2018059329 A1 WO2018059329 A1 WO 2018059329A1 CN 2017103001 W CN2017103001 W CN 2017103001W WO 2018059329 A1 WO2018059329 A1 WO 2018059329A1
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Prior art keywords
terminal device
cells
group
network device
indication list
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PCT/CN2017/103001
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English (en)
French (fr)
Inventor
于海凤
熊新
于峰
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华为技术有限公司
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP17854779.0A priority Critical patent/EP3509365B1/en
Priority to BR112019005817A priority patent/BR112019005817A2/pt
Publication of WO2018059329A1 publication Critical patent/WO2018059329A1/zh
Priority to US16/366,126 priority patent/US11246090B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/20—Selecting an access point
    • 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
    • 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
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/02—Data link layer protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • H04W60/04—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration using triggered events

Definitions

  • the present application relates to the field of communications technologies, and in particular, to a data transmission method and device.
  • the 3rd Generation Partnership Project (3GPP) Research Report (TR) 38.913 will be 5G.
  • the application scenarios are divided into three categories: enhanced Mobile Broadband (eMBB), massive machine type communication (mMTC), and Ultra-Reliable and Low Latency Communications (URLLC).
  • eMBB enhanced Mobile Broadband
  • mMTC massive machine type communication
  • URLLC Ultra-Reliable and Low Latency Communications
  • the delay and reliability requirements for communication between the User Equipment (UE) and the evolved Node B (eNB) in the URLLC scenario are as follows:
  • the target delay of the control plane is 10 ms, which is reliable.
  • Sex is 10-5.
  • the UE can communicate with the eNB only when it enters the connected state, and the control plane signaling interaction process of the UE transitioning from the idle state to the connected state is complicated, and the delay is large, so that the UE is accelerated.
  • RRC Radio Resource Control
  • LTE Long Term Evolution
  • RRC Recovery Resume
  • the eNB saves the UE context, suspending but not disconnecting the UE and the eNB.
  • the RRC is connected, and the UE is configured with a Resume ID.
  • the UE When the UE wants to resume the RRC connection with the eNB, the UE sends a radio resource control recovery request (RRCConnectionResumeRequest) message, and the RRCConnectionResumeRequest message carries the Resume ID, and the eNB can receive the Resume ID.
  • the corresponding UE context is sent to the UE, and the RRC connection between the UE and the eNB is quickly restored.
  • the UE Before the RRC connection is restored, in order to ensure that the uplink signal sent by the UE can reach the eNB in synchronization, the UE needs to obtain a Timing Advance (TA) value before accessing the cell for uplink data transmission, and the UE performs uplink transmission on the cell.
  • TA Timing Advance
  • the uplink data is always sent in advance by the TA, so that the uplink data arrives at the eNB just at the specified time.
  • different cells may have different TA values. Therefore, before the UE sends a radio resource control connection recovery request (RRCConnectionResumeRequest) message to a certain cell, a random access (RA) process needs to be initiated to acquire the cell.
  • RRCConnectionResumeRequest radio resource control connection recovery request
  • RA random access
  • control plane target delay of 10 ms is difficult to achieve. How to reduce the delay of UE transition from idle state to connected state is a problem that needs to be solved currently.
  • the object of the present invention is to provide a data transmission method and device to solve the problem that the terminal device is idle in the prior art.
  • the embodiment of the present invention provides a data transmission method, where the method includes: the terminal device pre-stores a TA indication list of the group of cells; the terminal device performs cell selection or reselection, and obtains a selected Or reselecting the cell identifier of the obtained cell; the terminal device, according to the cell identifier, querying, in the TA indication list of the group of cells, a TA value corresponding to the cell identifier; if the terminal device is in the If the TA value corresponding to the cell identifier is successfully queried in the TA indication list of the group cell, the terminal device performs the uplink radio resource control RRC message transmission of the random access-free, wherein the random access-free uplink RRC message
  • the sending is that the terminal device directly sends the uplink RRC message to a network device that provides a service for the cell according to the TA value.
  • the TA indication list of the group of cells includes a cell with a TA value equal to zero, and the cell with the TA value equal to zero may be a cell with a smaller cell radius; the terminal device may select the terminal device to be original.
  • the terminal device, or the terminal device needs to be in the terminal device when the radio link fails in the cell where the terminal device and the terminal device are originally located, or the radio resource reconfiguration fails, or the handover fails.
  • the uplink RRC message is a radio resource control connection recovery request message, or a radio resource control connection establishment request message, or a radio resource control connection re-establishment request
  • the terminal device sends the uplink RRC message by means of contention access.
  • the terminal device queries, in the TA indication list of the group of cells, the TA value corresponding to the cell identifier of the cell selected or reselected, and performs the uplink radio resource that is free of random access according to the TA value.
  • the RRC message transmission is controlled, and the foregoing TA value does not need to be obtained through the random access procedure, which reduces the delay of the terminal device from the idle state to the connected state.
  • the terminal device before the terminal device pre-stores the TA indication list of the group of cells, the terminal device receives a TA indication list of a group of cells sent by the network device, where the group of cells
  • the TA indication list may be carried in a broadcast message or a control message sent by the network device received by the terminal device, where the control message is a radio resource control connection release message or a media access control control unit.
  • the TA indication list of the group of cells may also be generated by the terminal device according to the historical residency information.
  • the method before the terminal device receives the timing advance TA indication list of the group of cells sent by the network device, the method further includes: the terminal device detecting the downlink synchronization message sent by the network device.
  • the terminal device checks a downlink synchronization message sent by the network device, and completes downlink synchronization with the network device.
  • the method before the terminal device pre-stores the TA indication list of the group of cells, the method further includes: the terminal device reporting the first information to the network device, where the first information Indicates whether the terminal device has the capability of supporting uplink synchronization without random access.
  • the terminal device when the terminal device supports the uplink synchronization capability of the random access, the terminal device is divided into a static terminal device and a dynamic terminal device.
  • the terminal device When the terminal device is a dynamic terminal device, the broadcast message or the control message carries the one. While the TA of the group cell indicates the list, it also carries a timer for indicating the validity period of the TA indication list of the group of cells.
  • the TA indication list of the group of cells includes a cell identifier and a TA value corresponding to the cell identifier.
  • the TA indication list of the group of cells further includes a common resource pool corresponding to the group of cells, where resources in the common resource pool are used by the terminal device to send the uplink RRC message.
  • the terminal device removes the process of requesting the uplink resource by using the random access, saves the signaling and the delay, and improves the efficiency of sending the uplink RRC message.
  • the TA indication list of the group of cells further includes a resource pool corresponding to the cell identifier, where resources in the resource pool are used by the terminal device to send the uplink RRC message.
  • the resource that the terminal device sends the uplink RRC message corresponds to the cell identifier, which can reduce the transmission collision caused by the shared resource between the cells, and improve the efficiency of sending the uplink RRC message.
  • the transmitting, by the terminal device, the uplink RRC message directly to the network device that is provided by the cell to the serving according to the TA value includes: the terminal device adopting the public according to the TA value.
  • the resource in the resource pool or the resource in the resource pool corresponding to the cell identifier sends the uplink RRC message.
  • the uplink RRC message may be sent multiple times by using the resource in the resource pool information or the resource corresponding to the cell identifier, and the success rate of sending the uplink RRC message may be improved.
  • the common resource pool or the resource pool corresponding to the cell identifier may be predetermined by the terminal device.
  • the embodiment of the present invention provides a data transmission method, where the method includes: the network device configuring, for the terminal device, a timing advance TA indication list of a group of cells, where the network device sends the A list of TA indications for a group of cells.
  • the TA indication list of the group of cells may be carried in a broadcast message or a control message sent by the network device, where the control message is a radio resource control connection release message, or media access control control unit.
  • the network device configures, for the terminal device, a TA indication list of a group of cells, where the terminal device queries the cell identifier of the cell selected or reselected in the TA indication list of the group of cells.
  • Corresponding TA value, and performing the uplink radio resource control RRC message transmission of the random access-free according to the TA value does not need to obtain the foregoing TA value through the random access procedure, and reduces the terminal device from the idle state to the connected state. Delay.
  • the method further includes: receiving, by the network device, the terminal device by using a random access-free transmission The uplink radio resource control RRC message, where the random access prevention means that the network device directly receives the uplink RRC message.
  • the network device when the terminal device selects the original cell, the network device receives the uplink RRC message sent by the terminal device; if the terminal device reselects a group of cells other than the original cell, And the network device that provides the service to the reselected other cell receives the uplink RRC message sent by the terminal device.
  • the method further includes: the network device receiving the location information of the terminal device, and the reporting by the terminal device A message, wherein the first information indicates whether the terminal device has the capability of supporting uplink synchronization without random access. And the network device configures, according to the location information and the first information, a TA indication list of the group of cells for the terminal device.
  • the location information is obtained by the network device being reported by the terminal device, or the network device is obtained by using the X2 interface interaction information between the network devices.
  • the first information indicates whether the terminal device has the capability of supporting uplink synchronization without random access, and when the terminal device supports the capability of uplink synchronization without random access, the terminal device is classified into a static terminal device.
  • dynamic a terminal device when the terminal device is a dynamic terminal device, the network device configures, for the terminal device, the TA indication list of the group of cells, and also sends a TA indication list for indicating the group of cells. The expiration date of the timer.
  • the method before the network device receives the location information of the terminal device and the first information reported by the terminal device, the method further includes: the network device sending the downlink to the terminal device Synchronize messages.
  • the network device sends a downlink synchronization message
  • the terminal device checks the downlink synchronization message to complete downlink synchronization with the network device.
  • the TA indication list of the group of cells includes a cell identifier and a TA value corresponding to the cell identifier.
  • the TA indication list of the group of cells further includes a common resource pool corresponding to the group of cells, wherein the network device receives the terminal device by using resources in the common resource pool.
  • the network device removes the process of requesting the uplink resource by using the random access between the terminal device, saves signaling and delay, and improves the efficiency of sending the uplink RRC message.
  • the TA indication list of the group of cells further includes a resource pool corresponding to the cell identifier, where the network device receives the location sent by the terminal device by using resources in the resource pool.
  • the uplink RRC message is described.
  • the resource of the uplink RRC message sent by the network device corresponds to the cell identifier, which can reduce the transmission collision caused by the shared resource between the cells, and improve the efficiency of sending the uplink RRC message.
  • an embodiment of the present invention provides a terminal device or a chip in a terminal device, the terminal device or the chip having a function of implementing a method for data transmission in the first aspect or any possible design thereof.
  • the functions may be implemented by hardware or by corresponding software implemented by hardware.
  • the hardware or software includes one or more units corresponding to the functions described above.
  • the terminal device includes: a processing unit and a transceiver unit, the processing unit may be a processor, the transceiver unit may be a transceiver, the transceiver includes a radio frequency circuit, and optionally, the terminal device further includes a storage unit
  • the storage unit may be, for example, a memory.
  • the terminal device includes a storage unit, the storage unit is configured to store a computer execution instruction, the processing unit is connected to the storage unit, and the processing unit executes a computer execution instruction stored by the storage unit to make A method of performing data transmission in a first aspect or any of its possible designs by a terminal device.
  • the chip includes a processing unit and a transceiver unit, and the processing unit may be a processor, and the transceiver unit may be an input/output interface, a pin or a circuit on the chip.
  • the processing unit may execute computer-executable instructions stored by the storage unit to cause the chip to perform a method of data transmission in the first aspect or any possible design thereof.
  • the storage unit may be a storage unit (for example, a register, a cache, and the like) in the chip, and the storage unit may also be a storage unit located outside the chip in the terminal device (for example, Read-only memory (ROM) or other types of static storage devices (eg, random access memory (RAM)) that store static information and instructions.
  • ROM Read-only memory
  • RAM random access memory
  • the processor mentioned in the third aspect may be a central processing unit (CPU), a microprocessor or an application specific integrated circuit (ASIC), or may be one or more for controlling An integrated circuit for the execution of a program on the one hand or any possible design of a method of data transmission.
  • CPU central processing unit
  • ASIC application specific integrated circuit
  • an embodiment of the present invention provides a chip in a network device or a network device, the network device or the chip having a function of implementing a method for data transmission in the second aspect or any possible design thereof.
  • the functions may be implemented by hardware or by corresponding software implemented by hardware.
  • the hardware or software includes one or more units corresponding to the functions described above.
  • the network device includes: a processing unit and a transceiver unit, the processing unit may be a processor, the transceiver unit may be a transceiver, the transceiver includes a radio frequency circuit, and optionally, the network device further includes a storage unit
  • the storage unit may be, for example, a memory.
  • the network device includes a storage unit, the storage unit is configured to store a computer execution instruction, the processing unit is coupled to the storage unit, and the processing unit executes a computer execution instruction stored by the storage unit to A method of performing data transmission in a second aspect or any of its possible designs by a network device.
  • the chip includes a processing unit and a transceiver unit, and the processing unit may be a processor, and the transceiver unit may be an input/output interface, a pin or a circuit on the chip.
  • the processing unit may execute computer-executed instructions stored by the memory unit to cause the chip to perform a method of data transfer in the second aspect or any of its possible designs.
  • the storage unit may be a storage unit (for example, a register, a cache, etc.) in the chip, and the storage unit may also be a storage unit located outside the chip in the network device (for example, Read-only memory (ROM) or other types of static storage devices (eg, random access memory (RAM)) that store static information and instructions.
  • ROM Read-only memory
  • RAM random access memory
  • the processor mentioned in the fourth aspect may be a central processing unit (CPU), a microprocessor or an application specific integrated circuit (ASIC), or may be one or more for controlling A program-implemented integrated circuit of two aspects or any of its possible designs for data transmission methods.
  • CPU central processing unit
  • ASIC application specific integrated circuit
  • an embodiment of the present invention provides a communication system, where the communication system includes: the terminal device in the third aspect and the network device in the fourth aspect.
  • an embodiment of the present invention provides a computer storage medium, where the computer storage medium stores program code, where the program code is used to indicate that any one of the first aspect and the second aspect or any possible The instructions for the method of data transfer in the design.
  • an embodiment of the present invention provides a computer program product comprising instructions, which when executed on a computer, cause the computer to perform data transmission in any of the first aspect and the second aspect or any possible design thereof Methods.
  • FIG. 1 is a schematic diagram of a network architecture according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of a method for data transmission according to an embodiment of the present invention
  • FIG. 3 is a schematic flowchart of still another method for data transmission according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic flowchart of another method for data transmission according to an embodiment of the present invention.
  • FIG. 5 is a schematic flowchart of still another method for data transmission according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a terminal device according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a network device according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of hardware of a terminal device according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram of hardware of a network device according to an embodiment of the present invention.
  • each tracking area has multiple base stations and multiple cells.
  • a terminal device in any cell in any tracking area can be switched from an idle state to a connected state.
  • the terminal device is extended from the idle state to the connected state. Therefore, the embodiment of the present invention provides a data transmission method for reducing the delay.
  • the embodiment of the invention provides a method for data transmission. As shown in FIG. 2, the method includes the following process:
  • the terminal device stores a TA indication list of the group of cells.
  • the terminal device performs cell selection or reselection to obtain a cell identifier of a cell that is selected or reselected.
  • the terminal device selects a cell where the terminal device is originally located, or the terminal device selects, in a group of cells, other cells than the cell where the terminal device originally located.
  • the terminal device queries, according to the cell identifier, a TA value corresponding to the cell identifier in a TA indication list of the group of cells.
  • the terminal device If the terminal device successfully queries the TA value corresponding to the cell identifier in the TA indication list of the group of cells, the terminal device performs an uplink radio resource control RRC message transmission without random access, where The uplink RRC message transmission of the random access-free means that the terminal device directly sends the uplink RRC message to a network device that provides a service for the cell that is selected or reselected according to the TA value.
  • the terminal device sends the uplink RRC message by means of contention access.
  • the uplink RRC message is a RRCConnectionResumeRequest message, or a RRCConnectionSetupRequest message, or a RRCConnectionReestablishmentReques message.
  • the terminal device queries, in the TA indication list of the group of cells, the TA value corresponding to the cell identifier of the cell selected or reselected, and performs the uplink radio resource that is free of random access according to the TA value.
  • the RRC message transmission is controlled, and the foregoing TA value does not need to be obtained through the random access procedure, which reduces the delay of the terminal device from the idle state to the connected state.
  • the method further includes: receiving, by the terminal device, a timing advance TA indication list of a group of cells sent by the network device.
  • the TA indication list of the group of cells is carried in a broadcast message sent by the network device received by the terminal device, or a control message, where the control message is a radio resource control connection release (RRCConnectionRelease) ) Message, or Medium Access Control Control Element (MAC CE).
  • RRCConnectionRelease radio resource control connection release
  • MAC CE Medium Access Control Control Element
  • the method before step S21, further includes: the terminal device generating a timing advance TA indication list of the group of cells according to the historical camping information.
  • the TA indication list of the group of cells includes a cell identifier and a TA value corresponding to the cell identifier.
  • the TA indication list of the group of cells further includes a common resource pool corresponding to the group of cells, where the resources in the common resource pool are used by the terminal device to send the uplink RRC message.
  • the TA indication list of the group of cells further includes a resource pool corresponding to the cell identifier, where The resource in the resource pool is used by the terminal device to send the uplink RRC message.
  • the terminal device when the terminal device sends the uplink RRC message to the network device by using the TA value, the terminal device sends the resource in the common resource pool or the resource in the resource pool corresponding to the cell identifier at least once.
  • the terminal device reports the first information to the network device, where the first information indicates whether the terminal device has an uplink synchronization that supports random access-free ability.
  • the terminal device when the terminal device supports the uplink synchronization capability of the random access, the terminal device is divided into a static terminal device and a dynamic terminal device.
  • the terminal device When the terminal device is a dynamic terminal device, the broadcast message or the control message carries the group of cells. While the TA indicates the list, it also carries a timer for indicating the validity period of the TA indication list of the group of cells.
  • an embodiment of the present invention provides a data transmission method. As shown in FIG. 3, the method includes the following process:
  • the network device configures a timing advance TA indication list of a group of cells for the terminal device.
  • the method before the step S31, further includes: the network device receiving the location information of the terminal device, and the first information reported by the terminal device, where the first information indicates the Whether the terminal device has the ability to support uplink synchronization without random access.
  • the network device configures, according to the location information, the first information, a TA indication list of the group of cells for the terminal device.
  • the location information is obtained by the network device by using the reporting by the terminal device, or is obtained by the network device by using X2 interface interaction information between network devices; and the TA indication of the group of cells
  • the list is carried in a broadcast message or a control message sent by the network device to the terminal device.
  • the network device sends a TA indication list of the group of cells to the terminal device.
  • the network device configures, for the terminal device, a TA indication list of a group of cells, where the terminal device queries the cell identifier of the cell selected or reselected in the TA indication list of the group of cells.
  • Corresponding TA value, and performing the uplink radio resource control RRC message transmission of the random access-free according to the TA value does not need to obtain the foregoing TA value through the random access procedure, and reduces the terminal device from the idle state to the connected state. Delay.
  • the network device further includes: receiving, by the network device, an uplink radio resource control RRC message sent by the terminal device by using a random access-free access, where the random access prevention refers to The network device directly receives the uplink RRC message.
  • the TA indication list of the group of cells includes a cell identifier and a TA value corresponding to the cell identifier.
  • the TA indication list of the group of cells further includes a common resource pool corresponding to the group of cells, where the network device receives the terminal device by using resources in the common resource pool.
  • the TA indication list of the group of cells further includes a resource pool corresponding to the cell identifier, where the network device receives, by using resources in the resource pool, the location sent by the terminal device.
  • the uplink RRC message is described.
  • a method for data transmission provided by an embodiment of the present invention is described in detail by using an interaction process between a network device and a terminal device.
  • Embodiment 1 The terminal device and the cell where the terminal device is originally located provide a service network device to recover the wireless resource
  • Figure 4 the specific process is shown in Figure 4, including:
  • Step 1 The terminal device detects a downlink synchronization message sent by the network device, and completes downlink synchronization with the network device.
  • Step 2 The terminal device reports that it is a static terminal device capable of supporting uplink synchronization without random access.
  • Step 3 The network device configures, for the terminal device, a TA indication list of a group of cells, where the TA indication list of the group of cells includes a cell identifier and a TA value corresponding to the cell identifier, and a common resource pool of the group of cells
  • the configuration format of the TA indication list of the group of cells is: (Cell index 1, Timing advance 1); (Cell index 2, Timing advance 2) ... (Cell index n, Timing advance n), resource pool .
  • the Cell index n is the cell identifier of the nth cell in the TA indication list
  • the Timing advance n is the TA value corresponding to the cell identifier of the nth cell in the TA indication list
  • the resource pool is the TA A pool of common resources indicating a group of cells in the list.
  • Step 4 The network device sends a TA indication list of the group of cells to the terminal device.
  • Step 5 The terminal device selects or reselects a cell in a group of cells, where the cell is an original cell where the terminal device is located.
  • Step 6 The terminal device queries, in the TA indication list of the group of cells, a TA value corresponding to the cell identifier of the cell.
  • Step 7 The terminal device sends a radio resource control link recovery request message at least once according to the TA value.
  • Step 8 The network device sends a radio resource control link recovery request response message.
  • Step 9 After receiving the radio resource control link recovery request response message, the terminal device stops sending the radio resource control link recovery request message, and sends a radio resource control link recovery complete message to the network device.
  • Embodiment 2 When a terminal device and a cell in which the terminal device is originally located provide a service network device to restore a radio resource control connection, another specific process is shown in FIG. 5, including:
  • Step 1 The terminal device detects a downlink synchronization message sent by the network device, and completes downlink synchronization with the network device.
  • Step 2 The terminal device reports that it is a static terminal device capable of supporting uplink synchronization without random access.
  • Step 3 The network device configures, for the terminal device, a TA indication list of a group of cells, where the TA indication list of the group of cells includes a cell identifier, a TA value corresponding to the cell identifier, and a resource corresponding to the cell identifier.
  • the configuration format of the TA indication list of the group of cells is: (Cell index 1, Timing advance1, resource pool1); (Cell index 2, Timing advance2, resource pool 2)... (Cell index n, Timing advance n, Resource pool n).
  • the Cell index n is the cell identifier of the nth cell in the TA indication list
  • the Timing advance n is the TA value corresponding to the cell identifier of the nth cell in the TA indication list
  • the resource pool n is the TA indication. The resource corresponding to the cell identifier of the nth cell in the list.
  • Step 4 The network device sends a TA indication list of the group of cells to the terminal device.
  • Step 5 The terminal device selects or reselects a cell in a group of cells, where the cell is a cell where the terminal device is originally located.
  • Step 6 The terminal device queries a cell identifier pair of the cell in a TA indication list of the group of cells The value of TA should be.
  • Step 7 The terminal device sends a radio resource control link recovery request message at least once according to the TA value.
  • Step 8 The network device sends a radio resource control link recovery request response message.
  • Step 9 After receiving the radio resource control link recovery request response message, the terminal device stops sending the radio resource control link recovery request message, and sends a radio resource control link recovery complete message to the network device.
  • the terminal device includes:
  • the storage module 61 is configured to pre-store a TA indication list of the group of cells.
  • the processing module 62 is configured to perform cell selection or reselection, and obtain a cell identifier of the cell that is selected or reselected.
  • the processing module 62 is further configured to query, according to the cell identifier, a TA value corresponding to the cell identifier in a TA indication list of the group of cells.
  • the sending module 63 is configured to: if the processing module successfully queries the TA value corresponding to the cell identifier, perform uplink-free radio resource control RRC message transmission, where the random access-free uplink RRC message is sent.
  • the sending means that the sending module directly sends the uplink RRC message to the network device that provides the service to the cell according to the TA value.
  • the terminal device queries, in the TA indication list of the group of cells, the TA value corresponding to the cell identifier of the cell selected or reselected, and performs the uplink radio resource that is free of random access according to the TA value.
  • the RRC message transmission is controlled, and the foregoing TA value does not need to be obtained through the random access procedure, which reduces the delay of the terminal device from the idle state to the connected state.
  • the method before the storage module pre-stores the TA indication list of a group of cells, the method further includes:
  • a receiving module configured to receive a TA indication list of the group of cells included in a broadcast message sent by the network device;
  • the receiving module is further configured to receive a TA indication list of the group of cells included in a control message sent by the network device, where the control message is a radio resource control connection release message, or a media access control control unit .
  • the method before the storage module pre-stores the TA indication list of a group of cells, the method further includes:
  • the processing module generates a TA indication list of the group of cells according to historical camping information.
  • the sending, by the sending module, directly sending the uplink RRC message to the network device serving the cell according to the value of the TA includes: sending, by the sending module, the uplink RRC message by means of contention access.
  • the uplink RRC message is a radio resource control connection recovery request message, or a radio resource control connection establishment request message, or a radio resource control connection re-establishment request message.
  • the method further includes:
  • the sending module is further configured to report the first information to the network device, where the first information indicates whether the terminal device has the capability of supporting uplink synchronization without random access.
  • the TA indication list of the group of cells includes a cell identifier and a TA value corresponding to the cell identifier.
  • the TA indication list of the group of cells further includes a common resource pool corresponding to the group of cells, where the resources in the common resource pool are used by the terminal device to send the uplink RRC message.
  • the TA indication list of the group of cells further includes a resource pool corresponding to the cell identifier, where the resource in the resource pool is used by the sending module to send the uplink RRC message.
  • the sending, by the sending module, directly sending the uplink RRC message to the network device serving the cell according to the value of the TA includes: the sending module, by using the TA value, in the public resource pool.
  • the resource or the resource in the resource pool corresponding to the cell identifier sends the uplink RRC message.
  • the network device includes:
  • the processing module 71 is configured to configure, for the terminal device, a timing advance TA indication list of a group of cells.
  • the sending module 72 is configured to send, to the terminal device, a TA indication list of the group of cells.
  • the network device configures, for the terminal device, a TA indication list of a group of cells, where the terminal device queries the cell identifier of the cell selected or reselected in the TA indication list of the group of cells.
  • Corresponding TA value, and performing the uplink radio resource control RRC message transmission of the random access-free according to the TA value does not need to obtain the foregoing TA value through the random access procedure, and reduces the terminal device from the idle state to the connected state. Delay.
  • the sending by the sending module, the sending, by the sending module, the TA indication list of the group of cells
  • the sending by the sending module, the TA indication list of the group of cells, being included in a broadcast message
  • sending the And the network device sends the TA indication list of the group of cells to the terminal device, where the control message is a radio resource control connection release message, or media access control control unit.
  • the network device further includes: a receiving module, configured to receive an uplink radio resource control RRC message that is sent by the terminal device by using a random access-free access, where the random access-free means that the network device directly receives The uplink RRC message.
  • a receiving module configured to receive an uplink radio resource control RRC message that is sent by the terminal device by using a random access-free access, where the random access-free means that the network device directly receives The uplink RRC message.
  • the receiving module is further configured to: receive location information of the terminal device, and first information reported by the terminal device, where the first information indicates whether the terminal device has support for random access The ability to enter the upstream synchronization.
  • the processing module is configured to configure, by the processing module, the timing advance TA indication list of the group of cells, where the processing module configures the terminal device according to the location information and the first information.
  • the location information is obtained by the network device being reported by the terminal device, or the network device is obtained by using the X2 interface interaction information between the network devices.
  • the TA indication list of the group of cells includes a cell identifier and a TA value corresponding to the cell identifier.
  • the TA indication list of the group of cells further includes a common resource pool corresponding to the group of cells, where the sending module receives, by using resources in the common resource pool, the Uplink RRC message.
  • the TA indication list of the group of cells further includes a resource pool corresponding to the cell identifier, where the sending module receives the uplink RRC message sent by the terminal device by using resources in the resource pool.
  • the terminal device includes a transceiver 810, and at least one processor 800 coupled to the transceiver 810, wherein:
  • the processor 800 is configured to read a program in the memory 820 and perform the following process:
  • the transceiver If the terminal device successfully queries the TA value corresponding to the cell identifier in the TA indication list of the group of cells, the transceiver performs uplink-free radio resource control RRC message transmission without random access, where The uplink RRC message transmission that is free of random access is that the terminal device directly sends the uplink RRC message to the network device that provides the service to the cell according to the TA value.
  • a transceiver 810 configured to receive and send data
  • a memory 820 for storing data and programs
  • the memory 820 is further configured to store a TA indication list of the group of cells.
  • the processor 800 is further configured to: perform cell selection or reselection, obtain a cell identifier of a cell that is selected or reselected, and query the TA indication list of the group of cells according to the cell identifier.
  • the TA value corresponding to the cell identifier is further configured to: perform cell selection or reselection, obtain a cell identifier of a cell that is selected or reselected, and query the TA indication list of the group of cells according to the cell identifier. The TA value corresponding to the cell identifier.
  • the bus architecture can include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 800 and various circuits of memory represented by memory 820.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • Transceiver 810 can be a plurality of components, including a transmitter and a receiver, providing means for communicating with various other devices on a transmission medium.
  • the user interface 830 may also be an interface capable of externally connecting the required devices, including but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 800 is responsible for managing the bus architecture and general processing, and the memory 820 can store data used by the processor 800 in performing operations.
  • the transceiver 810 is further configured to receive a TA indication list of the group of cells included in a broadcast message sent by the network device, or the receiving module is further configured to receive the control sent by the network device.
  • the sending, by the transceiver 810, the uplink RRC message to the network device serving the cell according to the value of the TA includes: the transceiver 810 sending the uplink RRC message by means of contention access.
  • the uplink RRC message is a radio resource control connection recovery request message, or a radio resource control connection establishment request message, or a radio resource control connection re-establishment request message.
  • the method further includes: the transceiver 810 is further configured to report the first information to the network device, where the first information indicates Whether the terminal device has the capability of supporting uplink synchronization without random access.
  • the TA indication list of the group of cells includes a cell identifier and a TA value corresponding to the cell identifier.
  • the TA indication list of the group of cells further includes a common resource pool corresponding to the group of cells, where the resources in the common resource pool are used by the terminal device to send the uplink RRC message.
  • the TA indication list of the group of cells further includes a resource pool corresponding to the cell identifier, where the resource in the resource pool is used by the sending module to send the uplink RRC message.
  • the sending, by the transceiver 810, the uplink RRC message to the network device that provides the service to the cell according to the value of the TA includes: sending, by the sending module, the public resource pool according to the TA value.
  • the resource or the resource in the resource pool corresponding to the cell identifier sends the uplink RRC message.
  • the network device includes a transceiver 910 and at least one connected to the transceiver 910 Processor 900, wherein:
  • the processor 900 is configured to read a program in the memory 920 and perform the following process:
  • the processor 900 configures a timing advance TA indication list for a group of cells for the terminal device.
  • the transceiver 910 is configured to receive and send data:
  • the transceiver 910 sends a TA indication list of the group of cells to the terminal device.
  • the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 900 and various circuits of memory represented by memory 920.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • Transceiver 910 can be a plurality of components, including a transmitter and a transceiver, providing means for communicating with various other devices on a transmission medium.
  • the processor 900 is responsible for managing the bus architecture and general processing, and the memory 920 can store data used by the processor 900 in performing operations.
  • the sending, by the transceiver 910, the TA indication list of the group of cells to the terminal device includes: the transceiver 910 includes, in a broadcast message, a TA indication list of the group of cells.
  • the terminal device; or the transceiver 910, the TA indication list of the group of cells is included in a control message and sent to the terminal device, where the control message is a radio resource control connection release message, or a media connection Into the control control unit.
  • the transceiver 910 is further configured to receive an uplink radio resource control RRC message that is sent by the terminal device by using a random-free access, where the random access-free means that the network device directly receives the uplink RRC message.
  • the transceiver 910 is further configured to: receive location information of the terminal device, and first information reported by the terminal device, where the first information indicates whether the terminal device has support for random access The ability to access upstream synchronization.
  • the processor 900 is configured to configure, by the processor, the timing advance TA indication list of the group of cells, where the processor 900 configures the terminal device according to the location information and the first information. A list of TA indications for the set of cells.
  • the location information is obtained by the network device being reported by the terminal device, or the network device is obtained by using the X2 interface interaction information between the network devices.
  • the TA indication list of the group of cells includes a cell identifier and a TA value corresponding to the cell identifier.
  • the TA indication list of the group of cells further includes a common resource pool corresponding to the group of cells, where the sending module receives, by using resources in the common resource pool, the Uplink RRC message.
  • the TA indication list of the group of cells further includes a resource pool corresponding to the cell identifier, where the sending module receives the uplink RRC message sent by the terminal device by using resources in the resource pool.
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can 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, etc.) including computer usable program code.
  • computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • the present invention is directed to a flowchart of a method, apparatus (system), and computer program product according to an embodiment of the present invention. And / or block diagram to describe. It will be understood that each flow and/or block of the flowchart illustrations and/or FIG.
  • These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine for the execution of instructions for execution by a processor of a computer or other programmable data processing device.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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Abstract

本发明公开了一种数据传输的方法和设备，用于解决现有技术中终端设备从空闲态到连接态的时延长的问题。终端设备预先存储一组小区的TA指示列表；终端设备进行小区选择或者重选，获得经过选择或重选得到的小区的小区标识终端设备，根据小区标识，在一组小区的TA指示列表中查询小区标识对应的TA值；若终端设备在一组小区的TA指示列表中成功查询到小区标识对应的TA值，则终端设备执行免随机接入的上行无线资源控制RRC消息发送。终端设备采用上述方案，减小了终端设备从空闲态到连接态的时延。

Description

一种数据传输的方法及设备
本申请要求在2016年09月28日提交中国专利局、申请号为201610867988.0、发明名称为《一种数据传输的方法及设备》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
本申请涉及通信技术领域，尤其涉及一种数据传输的方法及设备。
背景技术
随着***移动通信技术(4-Generation，4G)进入规模商用阶段，未来的第五代移动通信技术(5-Generation，5G)已成为全球研发的热点。5G业务需求呈现多样化，将在人们的居住、工作、休闲和交通等领域产生巨大影响，第三代合作伙伴计划(3rd Generation Partnership Project，3GPP)研究报告(Technical Report，TR)38.913中将5G的应用场景划分为增强移动宽带(enhanced Mobile Broadband，eMBB)、海量机器类通信(massive Machine Type Communications，mMTC)以及高可靠低时延通信(Ultra-Reliable and Low Latency Communications，URLLC)三类。3GPP TR 38.913中对URLLC场景下，用户设备(User Equipment，UE)与演进型基站(evolved Node B，eNB)进行通信的时延和可靠性的要求如下：控制面的目标时延为10ms，可靠性为10-5。
在现有技术中，UE只有进入连接(connected)态才能与eNB进行通信，而UE从空闲(idle)态转换到connected态的控制面信令交互流程复杂，时延较大，为加快UE进入无线资源控制(Radio Resource Control，RRC)connected态，长期演进(Long Term Evolution，LTE)R13中引入RRC恢复(Resume)技术，RRC Resume过程中eNB保存UE上下文，暂停但并不断开UE与eNB的RRC连接，并给UE配置一个Resume ID，当UE想恢复与eNB的RRC连接时，UE发送无线资源控制恢复请求(RRCConnectionResumeRequest)消息，RRCConnectionResumeRequest消息中携带上述Resume ID，eNB收到此Resume ID后可将对应的UE上下文发给UE，快速恢复UE与eNB的RRC连接。在恢复RRC连接之前，为了保证UE发送的上行信号能够同步到达eNB，UE在接入到小区进行上行数据传输前需要获取一个定时提前(Timing Advance，TA)值，UE在该小区上进行上行传输时，总是提前TA发送上行数据，使得上行数据刚好在指定的时间到达eNB。但不同小区可能有不同的TA值，因此，当UE要向某个小区发送无线资源控制连接恢复请求(RRCConnectionResumeRequest)消息之前，需要发起随机接入(Random Access，RA)过程来获取在该小区上的TA值，上述随机接入过程需要占用一定的时间，增加了控制面时延，即增加了恢复RRC连接的时间。
综上，现有技术中，控制面目标时延10ms很难达到。如何减小UE从空闲态到connected态转换的时延是目前需要解决的问题。
发明内容
本发明的目的是提供一种数据传输的方法及设备，以解决现有技术中终端设备从空闲 态到连接态的时延长的问题。
第一方面，本发明实施例提出一种数据传输的方法，该方法包括：所述终端设备预先存储所述一组小区的TA指示列表；所述终端设备进行小区选择或者重选，获得经过选择或重选得到的小区的小区标识；所述终端设备根据所述小区标识，在所述一组小区的TA指示列表中查询所述小区标识对应的TA值；若所述终端设备在所述一组小区的TA指示列表中成功查询到所述小区标识对应的TA值，则所述终端设备执行免随机接入的上行无线资源控制RRC消息发送，其中，所述免随机接入的上行RRC消息发送是所述终端设备根据所述TA值向为所述小区提供服务的网络设备直接发送所述上行RRC消息。
本发明实施例中，所述一组小区的TA指示列表中包括TA值等于零的小区，所述TA值等于零的小区可为小区半径较小的小区；所述终端设备可以选择所述终端设备原来所在的小区，或者，当所述终端设备和所述终端设备原来所在的小区发生无线链路失败，或者无线资源重配置失败，或者切换失败时，所述终端设备需要在所述终端设备在一组小区中重新选择一个除所述终端设备所在的小区以外的其它小区；所述上行RRC消息为无线资源控制连接恢复请求消息，或无线资源控制连接建立请求消息，或无线资源控制连接重新建立请求消息，所述终端设备通过竞争接入的方式发送所述上行RRC消息。
本发明实施例中终端设备在存储的一组小区的TA指示列表中，查询选择或重选得到的小区的小区标识对应的TA值，并根据所述TA值执行免随机接入的上行无线资源控制RRC消息发送，不需要通过随机接入过程获取上述TA值，减小了终端设备从空闲态到连接态的时延。
在一种可能的设计中，在终端设备预先存储所述一组小区的TA指示列表之前，所述终端设备接收到所述网络设备发送的一组小区的TA指示列表，所述一组小区的TA指示列表可以携带在所述终端设备接收到的所述网络设备发送的广播消息或者控制消息中，其中，所述控制消息为无线资源控制连接释放消息，或媒体接入控制控制单元。
在一种可能的设计中，所述一组小区的TA指示列表也可以是终端设备根据历史驻留信息生成的。
在一种可能的设计中，在终端设备接收网络设备发送的一组小区的定时提前TA指示列表之前，该方法还包括：所述终端设备检测所述网络设备发送的下行同步消息。
本发明实施例中，所述终端设备检查所述网络设备发送的下行同步消息，完成与所述网络设备的下行同步。
在一种可能的设计中，在终端设备预先存储所述一组小区的TA指示列表之前，该方法还包括：所述终端设备向所述网络设备上报第一信息，其中，所述第一信息指示所述终端设备是否具有支持免随机接入的上行同步的能力。
本发明实施例中，终端设备支持免随机接入的上行同步的能力时，分为静态终端设备和动态终端设备，当终端设备为动态终端设备时，所述广播消息或者控制消息携带所述一组小区的TA指示列表的同时，还携带一个用于指示该一组小区的TA指示列表有效期的定时器。
在一种可能的设计中，所述一组小区的TA指示列表包括小区标识和所述小区标识对应的TA值。
在一种可能的设计中，所述一组小区的TA指示列表还包括对应所述一组小区的公共资源池，其中，所述公共资源池中的资源用于所述终端设备发送所述上行RRC消息。
本发明实施例中，所述终端设备免去了通过随机接入请求上行资源的过程，节省信令和时延，提高了发送上行RRC消息的效率。
在一种可能的设计中，所述一组小区的TA指示列表还包括所述小区标识对应的资源池，其中，所述资源池中的资源用于所述终端设备发送所述上行RRC消息。
本发明实施例中，所述终端设备发送所述上行RRC消息的资源与所述小区标识相对应，可以减少小区间共享资源带来的传输碰撞，提高了发送上行RRC消息的效率。
在一种可能的设计中，所述终端设备根据所述TA值向所述小区提供给服务的网络设备直接发送所述上行RRC消息包括：所述终端设备根据所述TA值，通过所述公共资源池中的资源或所述小区标识对应的资源池中的资源发送所述上行RRC消息。
本发明实施例中，可以使用所述资源池信息中的资源或所述小区标识对应的资源多次发送上行RRC消息，可以提高发送上行RRC消息的成功率。
在一种可能的设计中，所述公共资源池或所述小区标识对应的资源池可以是终端设备预先确定的。
第二方面，本发明实施例提出一种数据传输的方法，该方法包括：网络设备为所述终端设备配置一组小区的定时提前TA指示列表，所述网络设备向所述终端设备发送所述一组小区的TA指示列表。
本发明实施例中，所述一组小区的TA指示列表可以携带在所述网络设备发送的广播消息或者控制消息中，其中，所述控制消息为无线资源控制连接释放消息，或媒体接入控制控制单元。
本发明实施例中，所述网络设备为所述终端设备配置一组小区的TA指示列表，所述终端设备在所述一组小区的TA指示列表中查询选择或重选得到的小区的小区标识对应的TA值，并根据所述TA值执行免随机接入的上行无线资源控制RRC消息发送，不需要通过随机接入过程获取上述TA值，减小了终端设备从空闲态到连接态的时延。
在一种可能的设计中，在所述网络设备向所述终端设备发送一组小区的TA指示列表之后，所述方法还包括：所述网络设备接收所述终端设备通过免随机接入发送的上行无线资源控制RRC消息，其中，所述免随机接入是指所述网络设备直接接收所述上行RRC消息。
本发明实施例中，所述终端设备选择原小区时，所述网络设备接收到所述终端设备发送的上行RRC消息；若所述终端设备在一组小区中重新选择了除原小区以外的其它小区，则为重新选择的所述其他小区提供服务的网络设备接收所述终端设备发送的上行RRC消息。
在一种可能的设计中，在网络设备为终端设备配置一组小区的TA指示列表之前，该方法还包括:所述网络设备接收所述终端设备的位置信息，以及所述终端设备上报的第一信息，其中，所述第一信息指示所述终端设备是否具有支持免随机接入的上行同步的能力。所述网络设备根据所述位置信息以及所述第一信息，为所述终端设备配置所述一组小区的TA指示列表。
本发明实施例中，所述位置信息是所述网络设备通过所述终端设备的上报获取的，或者是所述网络设备通过各网络设备间的X2***互信息获取的。
本发明实施例中，所述第一信息指示所述终端设备是否具有支持免随机接入的上行同步的能力，所述终端设备支持免随机接入的上行同步的能力时，分为静态终端设备和动态 终端设备，当所述终端设备为动态终端设备时，所述网络设备为所述终端设备配置所述一组小区的TA指示列表的同时还下发一个用于指示该一组小区的TA指示列表有效期的定时器。
在一种可能的设计中，在所述网络设备接收所述终端设备的位置信息，以及所述终端设备上报的第一信息之前，该方法还包括：所述网络设备向所述终端设备发送下行同步消息。
本发明实施例中，所述网络设备发送下行同步消息，所述终端设备检查到所述下行同步消息，完成与所述网络设备的下行同步。
在一种可能的设计中，所述一组小区的TA指示列表包括小区标识和所述小区标识对应的TA值。
在一种可能的设计中，所述一组小区的TA指示列表还包括对应所述一组小区的公共资源池，其中，所述网络设备通过所述公共资源池中的资源接收所述终端设备发送的所述上行RRC消息。
本发明实施例中，所述网络设备免去了与所述终端设备之间通过随机接入请求上行资源的过程，节省信令和时延，提高了发送上行RRC消息的效率。
在一种可能的设计中，所述一组小区的TA指示列表还包括所述小区标识对应的资源池，其中，所述网络设备通过所述资源池中的资源接收所述终端设备发送的所述上行RRC消息。
本发明实施例中，所述网络设备下发的所述上行RRC消息的资源与所述小区标识相对应，可以减少小区间共享资源带来的传输碰撞，提高了发送上行RRC消息的效率。
第三方面，本发明实施例提出一种终端设备或终端设备内的芯片，所述终端设备或所述芯片具有实现第一方面或其任意可能的设计中的数据传输的方法的功能。所述功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多个与上述功能相对应的单元。
所述终端设备包括：处理单元和收发单元，所述处理单元可以是处理器，所述收发单元可以是收发器，所述收发器包括射频电路，可选地，所述终端设备还包括存储单元，所述存储单元例如可以是存储器。当所述终端设备包括存储单元时，所述存储单元用于存储计算机执行指令，所述处理单元与所述存储单元连接，所述处理单元执行所述存储单元存储的计算机执行指令，以使所述终端设备执行第一方面或其任意可能的设计中的数据传输的方法。
所述芯片包括：处理单元和收发单元，所述处理单元可以是处理器，所述收发单元可以是所述芯片上的输入/输出接口、管脚或电路等。所述处理单元可执行存储单元存储的计算机执行指令，以使所述芯片执行第一方面或其任意可能的设计中的数据传输的方法。可选地，所述存储单元可以是所述芯片内的存储单元(例如，寄存器、缓存等)，所述存储单元还可以是所述终端设备内的位于所述芯片外部的存储单元(例如，只读存储器(read-only memory，ROM))或可存储静态信息和指令的其他类型的静态存储设备(例如，随机存取存储器(random access memory，RAM))等。
第三方面中提到的处理器可以是一个中央处理器(central processing unit，CPU)、微处理器或专用集成电路(application specific integrated circuit，ASIC)，也可以是一个或多个用于控制第一方面或其任意可能的设计的数据传输的方法的程序执行的集成电路。
第四方面，本发明实施例提出一种网络设备或网络设备内的芯片，所述网络设备或所述芯片具有实现第二方面或其任意可能的设计中的数据传输的方法的功能。所述功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多个与上述功能相对应的单元。
所述网络设备包括：处理单元和收发单元，所述处理单元可以是处理器，所述收发单元可以是收发器，所述收发器包括射频电路，可选地，所述网络设备还包括存储单元，所述存储单元例如可以是存储器。当所述网络设备包括存储单元时，所述存储单元用于存储计算机执行指令，所述处理单元与所述存储单元连接，所述处理单元执行所述存储单元存储的计算机执行指令，以使所述网络设备执行第二方面或其任意可能的设计中的数据传输的方法。
所述芯片包括：处理单元和收发单元，所述处理单元可以是处理器，所述收发单元可以是所述芯片上的输入/输出接口、管脚或电路等。所述处理单元可执行存储单元存储的计算机执行指令，以使所述芯片执行第二方面或其任意可能的设计中的数据传输的方法。可选地，所述存储单元可以是所述芯片内的存储单元(例如，寄存器、缓存等)，所述存储单元还可以是所述网络设备内的位于所述芯片外部的存储单元(例如，只读存储器(read-only memory，ROM))或可存储静态信息和指令的其他类型的静态存储设备(例如，随机存取存储器(random access memory，RAM))等。
第四方面中提到的处理器可以是一个中央处理器(central processing unit，CPU)、微处理器或专用集成电路(application specific integrated circuit，ASIC)，也可以是一个或多个用于控制第二方面或其任意可能的设计的数据传输的方法的程序执行的集成电路。
第五方面，本发明实施例提出一种通信***，所述通信***包括：第三方面中的终端设备和第四方面中的网络设备。
第六方面，本发明实施例提出一种计算机存储介质，所述计算机存储介质中存储有程序代码，所述程序代码用于指示执行第一方面和第二方面中的任一方面或其任意可能的设计中的数据传输的方法的指令。
第七方面，本发明实施例提出一种包含指令的计算机程序产品，其在计算机上运行时，使得计算机执行第一方面和第二方面中的任一方面或其任意可能的设计中的数据传输的方法。
附图说明
图1为本发明实施例提供的一种网络架构示意图；
图2为本发明实施例提供的一种数据传输的方法流程示意图；
图3为本发明实施例提供的又一种数据传输的方法流程示意图；
图4为本发明实施例提供的另一种数据传输的方法流程示意图；
图5为本发明实施例提供的再一种数据传输的方法流程示意图；
图6为本发明实施例提供的一种终端设备的结构示意图；
图7为本发明实施例提供的一种网络设备的结构示意图；
图8为本发明实施例提供的一种终端设备的硬件结构示意图；
图9为本发明实施例提供的一种网络设备的硬件结构示意图。
具体实施方式
下面结合说明书附图对本发明实施例作进一步详细描述。应当理解，此处所描述的实施例仅用于说明和解释本发明，并不用于限定本发明。
在如图1所示的网络架构下，具有多个跟踪区即多组小区，每个跟踪区中有多个基站与多个小区。任一跟踪区内的任一小区中的终端设备可以从空闲态转换为连接态。在现有技术中，该终端设备从空闲态转换为连接态的时延长，因此，本发明实施例提出了一种减小时延的数据传输方法。
本发明实施例提供了一种数据传输的方法，如图2所示，该方法包括以下过程：
S21、所述终端设备存储所述一组小区的TA指示列表。
S22、所述终端设备进行小区选择或者重选，获得经过选择或重选得到的小区的小区标识。
可选的，所述终端设备选择所述终端设备原来所在的小区，或者，所述终端设备在一组小区中选择除所述终端设备原来所在的小区以外的其它小区。
S23、所述终端设备根据所述小区标识，在所述一组小区的TA指示列表中查询所述小区标识对应的TA值。
S24、若所述终端设备在所述一组小区的TA指示列表中成功查询到所述小区标识对应的TA值，则所述终端设备执行免随机接入的上行无线资源控制RRC消息发送，其中，所述免随机接入的上行RRC消息发送是指所述终端设备根据所述TA值向为经过选择或重选得到的所述小区提供服务的网络设备直接发送所述上行RRC消息。
可选的，所述终端设备通过竞争接入的方式发送所述上行RRC消息。
可选的，所述上行RRC消息为无线资源控制连接恢复请求(RRCConnectionResumeRequest)消息，或无线资源控制连接建立请求(RRCConnectionSetupRequest)消息，或无线资源控制连接重新建立请求(RRCConnectionReestablishmentReques)消息。
本发明实施例中终端设备在存储的一组小区的TA指示列表中，查询选择或重选得到的小区的小区标识对应的TA值，并根据所述TA值执行免随机接入的上行无线资源控制RRC消息发送，不需要通过随机接入过程获取上述TA值，减小了终端设备从空闲态到连接态的时延。
一种可能的实现方式中，在步骤S21之前，还包括：终端设备接收网络设备发送的一组小区的定时提前TA指示列表。
可选的，所述一组小区的TA指示列表携带在所述终端设备接收到的所述网络设备发送的广播消息，或者控制消息中，其中，所述控制消息为无线资源控制连接释放(RRCConnectionRelease)消息，或媒体接入控制控制单元(Medium Access Control Control Element，MAC CE)。
另一种可能的实现方式中，在步骤S21之前，还包括：所述终端设备根据历史驻留信息生成所述一组小区的定时提前TA指示列表。
可选的，所述一组小区的TA指示列表包括小区标识和所述小区标识对应的TA值。
可选的，所述一组小区的TA指示列表还包括对应所述一组小区的公共资源池，其中，所述公共资源池中的资源用于所述终端设备发送所述上行RRC消息。
可选的，所述一组小区的TA指示列表还包括所述小区标识对应的资源池，其中，所 述资源池中的资源用于所述终端设备发送所述上行RRC消息。
具体的，所述终端设备使用TA值向所述网络设备发送上行RRC消息时，通过公共资源池中的资源或者所述小区标识对应的资源池中的资源至少一次进行发送。
一种可能的实现方式中，在步骤S21之前，所述终端设备向所述网络设备上报第一信息，其中，所述第一信息指示所述终端设备是否具有支持免随机接入的上行同步的能力。
具体的，终端设备支持免随机接入的上行同步的能力时，分为静态终端设备和动态终端设备，当终端设备为动态终端设备时，所述广播消息或者控制消息携带所述一组小区的TA指示列表的同时，还携带一个用于指示该一组小区的TA指示列表有效期的定时器。
基于同一发明构思，本发明实施例提供了一种数据传输的方法，如图3所示，该方法包括以下过程：
S31、网络设备为终端设备配置一组小区的定时提前TA指示列表.
一种可能的实现方式中，在步骤S31之前，还包括:所述网络设备接收所述终端设备的位置信息，以及所述终端设备上报的第一信息，其中，所述第一信息指示所述终端设备是否具有支持免随机接入的上行同步的能力。
具体的，所述网络设备根据所述位置信息，以及所述第一信息，为所述终端设备配置所述一组小区的TA指示列表。
可选的，所述位置信息是所述网络设备通过所述终端设备的上报获取的，或者是所述网络设备通过各网络设备间的X2***互信息获取的；所述一组小区的TA指示列表携带在所述网络设备发送给所述终端设备的广播消息或者控制消息中。
S32、所述网络设备向所述终端设备发送所述一组小区的TA指示列表。
本发明实施例中，所述网络设备为所述终端设备配置一组小区的TA指示列表，所述终端设备在所述一组小区的TA指示列表中查询选择或重选得到的小区的小区标识对应的TA值，并根据所述TA值执行免随机接入的上行无线资源控制RRC消息发送，不需要通过随机接入过程获取上述TA值，减小了终端设备从空闲态到连接态的时延。
一种可能的实现方式中，在步骤S32之后，还包括：所述网络设备接收所述终端设备通过免随机接入发送的上行无线资源控制RRC消息，其中，所述免随机接入是指所述网络设备直接接收所述上行RRC消息。
一种可能的实现方式中，所述一组小区的TA指示列表包括小区标识和所述小区标识对应的TA值。
一种可能的实现方式中，所述一组小区的TA指示列表还包括对应所述一组小区的公共资源池，其中，所述网络设备通过所述公共资源池中的资源接收所述终端设备发送的所述上行RRC消息。
一种可能的实现方式中，所述一组小区的TA指示列表还包括所述小区标识对应的资源池，其中，所述网络设备通过所述资源池中的资源接收所述终端设备发送的所述上行RRC消息。
下面通过两个具体实施例，通过网络设备和终端设备之间的交互过程，对本发明实施例提供的一种数据传输的方法进行详细说明。
实施例一、终端设备与所述终端设备原来所在的小区提供服务网络设备恢复无线资 源控制连接时，具体过程如图4所示，包括：
步骤1、终端设备检测到网络设备发送的下行同步消息，完成与所述网络设备的下行同步。
步骤2、所述终端设备上报自身是支持免随机接入的上行同步的能力的静态终端设备。
步骤3、所述网络设备为所述终端设备配置一组小区的TA指示列表，一组小区的TA指示列表中包括小区标识和所述小区标识对应的TA值、以及一组小区的公共资源池，所述一组小区的TA指示列表的配置格式为:(Cell index 1,Timing advance 1)；(Cell index 2,Timing advance 2)..….(Cell index n,Timing advance n)，resource pool。其中，Cell index n为所述TA指示列表中的第n个小区的小区标识，Timing advance n为所述TA指示列表中的第n个小区的小区标识对应的TA值，resource pool为所述TA指示列表中的一组小区的公共资源池。
步骤4、所述网络设备向所述终端设备发送所述一组小区的TA指示列表。
步骤5、所述终端设备在一组小区内选择或重选小区，所述小区为所述终端设备所在的原小区。
步骤6、所述终端设备在所述一组小区的TA指示列表中查询所述小区的小区标识对应的TA值。
步骤7、所述终端设备根据所述TA值至少一次发送无线资源控制链接恢复请求消息。
步骤8、所述网络设备发送无线资源控制链接恢复请求响应消息。
步骤9、所述终端设备接收到所述无线资源控制链接恢复请求响应消息后，停止发送无线资源控制链接恢复请求消息，并发送无线资源控制链接恢复完成消息至所述网络设备。
实施例二、终端设备与所述终端设备原来所在的小区提供服务网络设备恢复无线资源控制连接时，另一种具体过程如图5所示，包括：
步骤1、终端设备检测到网络设备发送的下行同步消息，完成与所述网络设备的下行同步。
步骤2、所述终端设备上报自身是支持免随机接入的上行同步的能力的静态终端设备。
步骤3、所述网络设备为所述终端设备配置一组小区的TA指示列表，一组小区的TA指示列表中包括小区标识和所述小区标识对应的TA值、以及所述小区标识对应的资源池，所述一组小区的TA指示列表的配置格式为:(Cell index 1,Timing advance1,resource pool1)；(Cell index 2,Timing advance2,resource pool2)……(Cell index n,Timing advance n,resource pool n)。其中，Cell index n为所述TA指示列表中第n个小区的小区标识，Timing advance n为所述TA指示列表中第n个小区的小区标识对应的TA值，resource pool n为所述TA指示列表中第n个小区的小区标识对应的资源。
步骤4、所述网络设备向所述终端设备发送所述一组小区的TA指示列表。
步骤5、所述终端设备在一组小区内选择或重选小区，所述小区为所述终端设备原来所在的小区。
步骤6、所述终端设备在所述一组小区的TA指示列表中查询所述小区的小区标识对 应的TA值。
步骤7、所述终端设备根据所述TA值至少一次发送无线资源控制链接恢复请求消息。
步骤8、所述网络设备发送无线资源控制链接恢复请求响应消息。
步骤9、所述终端设备接收到所述无线资源控制链接恢复请求响应消息后，停止发送无线资源控制链接恢复请求消息，并发送无线资源控制链接恢复完成消息至所述网络设备。
基于同一发明构思，本发明实施例提供的一种终端设备，如图6所示，该终端设备包括：
存储模块61，用于预先存储所述一组小区的TA指示列表。
处理模块62，用于进行小区选择或重选，获得经过选择或重选得到的小区的小区标识。
所述处理模块62，还用于根据所述小区标识，在所述一组小区的TA指示列表中查询所述小区标识对应的TA值。
发送模块63，用于若所述处理模块成功查询到所述小区标识对应的TA值，则执行免随机接入的上行无线资源控制RRC消息发送，其中，所述免随机接入的上行RRC消息发送是指所述发送模块根据所述TA值向所述小区提供服务的网络设备直接发送所述上行RRC消息。
本发明实施例中终端设备在存储的一组小区的TA指示列表中，查询选择或重选得到的小区的小区标识对应的TA值，并根据所述TA值执行免随机接入的上行无线资源控制RRC消息发送，不需要通过随机接入过程获取上述TA值，减小了终端设备从空闲态到连接态的时延。
一种可能的实现方式中，在所述存储模块预先存储一组小区的TA指示列表之前，还包括：
接收模块，用于接收所述网络设备发送的广播消息中包含的所述一组小区的TA指示列表；或者
所述接收模块还用于接收所述网络设备发送的控制消息中包含的所述一组小区的TA指示列表，其中，所述控制消息为无线资源控制连接释放消息，或媒体接入控制控制单元。
另一种可能的实现方式中，在所述存储模块预先存储一组小区的TA指示列表之前，还包括：
所述处理模块根据历史驻留信息生成所述一组小区的TA指示列表。
可选的，所述发送模块根据所述TA值向为所述小区提供服务的网络设备直接发送上行RRC消息包括：所述发送模块通过竞争接入的方式发送所述上行RRC消息。
可选的，所述上行RRC消息为无线资源控制连接恢复请求消息，或无线资源控制连接建立请求消息，或无线资源控制连接重新建立请求消息。
可选的，在存储模块预先存储所述一组小区的TA指示列表之前，还包括：
所述发送模块还用于向所述网络设备上报第一信息，其中，所述第一信息指示所述终端设备是否具有支持免随机接入的上行同步的能力。
可选的，所述一组小区的TA指示列表包括小区标识和所述小区标识对应的TA值。
可选的，所述一组小区的TA指示列表还包括对应所述一组小区的公共资源池，其中，所述公共资源池中的资源用于所述终端设备发送所述上行RRC消息。
可选的，所述一组小区的TA指示列表还包括所述小区标识对应的资源池，其中，所述资源池中的资源用于所述发送模块发送所述上行RRC消息。
可选的，所述发送模块根据所述TA值向为所述小区提供服务的网络设备直接发送所述上行RRC消息包括：所述发送模块根据所述TA值，通过所述公共资源池中的资源或所述小区标识对应的资源池中的资源发送所述上行RRC消息。
基于同一发明构思，本发明实施例提供的一种网络设备，如图7所示，该网络设备包括：
处理模块71，用于为终端设备配置一组小区的定时提前TA指示列表。
发送模块72，用于向所述终端设备发送所述一组小区的TA指示列表。
本发明实施例中，所述网络设备为所述终端设备配置一组小区的TA指示列表，所述终端设备在所述一组小区的TA指示列表中查询选择或重选得到的小区的小区标识对应的TA值，并根据所述TA值执行免随机接入的上行无线资源控制RRC消息发送，不需要通过随机接入过程获取上述TA值，减小了终端设备从空闲态到连接态的时延。
可选的，所述发送模块用于向所述终端设备发送所述一组小区的TA指示列表包括：所述发送模块将所述一组小区的TA指示列表包含在广播消息中发送给所述终端设备；或者所述网络设备将所述一组小区的TA指示列表包含在控制消息中发送给所述终端设备，其中，所述控制消息为无线资源控制连接释放消息，或媒体接入控制控制单元。
可选的，该网络设备还包括：接收模块，用于接收所述终端设备通过免随机接入发送的上行无线资源控制RRC消息，其中，所述免随机接入是指所述网络设备直接接收所述上行RRC消息。
可选的，所述接收模块还用于:接收所述终端设备的位置信息，以及所述终端设备上报的第一信息，其中，所述第一信息指示所述终端设备是否具有支持免随机接入的上行同步的能力。
可选的，所述处理模块用于为终端设备配置一组小区的定时提前TA指示列表包括：所述处理模块根据所述位置信息，以及所述第一信息，为所述终端设备配置所述一组小区的TA指示列表。
可选的，所述位置信息是所述网络设备通过所述终端设备的上报获取的，或者是所述网络设备通过各网络设备间的X2***互信息获取的。
可选的，所述一组小区的TA指示列表包括小区标识和所述小区标识对应的TA值。
可选的，所述一组小区的TA指示列表还包括对应所述一组小区的公共资源池，其中，所述发送模块通过所述公共资源池中的资源接收所述终端设备发送的所述上行RRC消息。
可选的，所述一组小区的TA指示列表还包括所述小区标识对应的资源池，其中，所述发送模块通过所述资源池中的资源接收所述终端设备发送的所述上行RRC消息。
下面结合优选的硬件结构，对本发明实施例提供的终端设备的结构、处理方式进行说明。
在图8的实施例中，终端设备包括收发机810、以及与该收发机810连接的至少一个处理器800，其中：
处理器800，用于读取存储器820中的程序，执行下列过程：
若所述终端设备在所述一组小区的TA指示列表中成功查询到所述小区标识对应的TA值，则所述收发机执行免随机接入的上行无线资源控制RRC消息发送，其中，所述免随机接入的上行RRC消息发送是所述终端设备根据所述TA值向所述小区提供服务的网络设备直接发送所述上行RRC消息。
收发机810，用于接收和发送数据；
存储器820，用于存储数据和程序；
所述存储器820还用于存储所述一组小区的TA指示列表。
所述处理器800还用于执行下列过程：进行小区选择或者重选，获得经过选择或重选得到的小区的小区标识；根据所述小区标识，在所述一组小区的TA指示列表中查询所述小区标识对应的TA值。
其中，在图8中，总线架构可以包括任意数量的互联的总线和桥，具体由处理器800代表的一个或多个处理器和存储器820代表的存储器的各种电路链接在一起。总线架构还可以将诸如***设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。收发机810可以是多个元件，即包括发送机和接收机，提供用于在传输介质上与各种其他装置通信的单元。针对不同的用户设备，用户接口830还可以是能够外接内接需要设备的接口，连接的设备包括但不限于小键盘、显示器、扬声器、麦克风、操纵杆等。处理器800负责管理总线架构和通常的处理，存储器820可以存储处理器800在执行操作时所使用的数据。
可选的，所述收发机810还用于接收所述网络设备发送的广播消息中包含的所述一组小区的TA指示列表；或者所述接收模块还用于接收所述网络设备发送的控制消息中包含的所述一组小区的TA指示列表，其中，所述控制消息为无线资源控制连接释放消息，或媒体接入控制控制单元。
可选的，所述收发机810根据所述TA值向为所述小区提供服务的网络设备直接发送上行RRC消息包括：所述收发机810通过竞争接入的方式发送所述上行RRC消息。
可选的，所述上行RRC消息为无线资源控制连接恢复请求消息，或无线资源控制连接建立请求消息，或无线资源控制连接重新建立请求消息。
可选的，在存储器820预先存储所述一组小区的TA指示列表之前，还包括：所述收发机810还用于向所述网络设备上报第一信息，其中，所述第一信息指示所述终端设备是否具有支持免随机接入的上行同步的能力。
可选的，所述一组小区的TA指示列表包括小区标识和所述小区标识对应的TA值。
可选的，所述一组小区的TA指示列表还包括对应所述一组小区的公共资源池，其中，所述公共资源池中的资源用于所述终端设备发送所述上行RRC消息。
可选的，所述一组小区的TA指示列表还包括所述小区标识对应的资源池，其中，所述资源池中的资源用于所述发送模块发送所述上行RRC消息。
可选的，所述收发机810根据所述TA值向为所述小区提供服务的网络设备直接发送所述上行RRC消息包括：所述发送模块根据所述TA值，通过所述公共资源池中的资源或所述小区标识对应的资源池中的资源发送所述上行RRC消息。
在图9的实施例中，网络设备包括收发机910、以及与该收发机910连接的至少一个 处理器900，其中：
处理器900，用于读取存储器920中的程序，执行下列过程：
处理器900为终端设备配置一组小区的定时提前TA指示列表。
收发机910，用于接收和发送数据：
所述收发机910向所述终端设备发送所述一组小区的TA指示列表。
其中，在图9中，总线架构可以包括任意数量的互联的总线和桥，具体由处理器900代表的一个或多个处理器和存储器920代表的存储器的各种电路链接在一起。总线架构还可以将诸如***设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。收发机910可以是多个元件，即包括发送机和收发机，提供用于在传输介质上与各种其他装置通信的单元。处理器900负责管理总线架构和通常的处理，存储器920可以存储处理器900在执行操作时所使用的数据。
可选的，所述收发机910用于向所述终端设备发送所述一组小区的TA指示列表包括：所述收发机910将所述一组小区的TA指示列表包含在广播消息中发送给所述终端设备；或者所述收发机910将所述一组小区的TA指示列表包含在控制消息中发送给所述终端设备，其中，所述控制消息为无线资源控制连接释放消息，或媒体接入控制控制单元。
可选的，所述收发机910还用于接收所述终端设备通过免随机接入发送的上行无线资源控制RRC消息，其中，所述免随机接入是指所述网络设备直接接收所述上行RRC消息。
可选的，所述收发机910还用于:接收所述终端设备的位置信息，以及所述终端设备上报的第一信息，其中，所述第一信息指示所述终端设备是否具有支持免随机接入的上行同步的能力。
可选的，所述处理器900用于为终端设备配置一组小区的定时提前TA指示列表包括：所述处理器900根据所述位置信息，以及所述第一信息，为所述终端设备配置所述一组小区的TA指示列表。
可选的，所述位置信息是所述网络设备通过所述终端设备的上报获取的，或者是所述网络设备通过各网络设备间的X2***互信息获取的。
可选的，所述一组小区的TA指示列表包括小区标识和所述小区标识对应的TA值。
可选的，所述一组小区的TA指示列表还包括对应所述一组小区的公共资源池，其中，所述发送模块通过所述公共资源池中的资源接收所述终端设备发送的所述上行RRC消息。
可选的，所述一组小区的TA指示列表还包括所述小区标识对应的资源池，其中，所述发送模块通过所述资源池中的资源接收所述终端设备发送的所述上行RRC消息。
本领域内的技术人员应明白，本发明的实施例可提供为方法、***、或计算机程序产品。因此，本发明可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且，本发明可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。
本发明是参照根据本发明实施例的方法、设备(***)、和计算机程序产品的流程图 和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
尽管已描述了本发明的优选实施例，但本领域内的技术人员一旦得知了基本创造性概念，则可对这些实施例作出另外的变更和修改。所以，所附权利要求意欲解释为包括优选实施例以及落入本发明范围的所有变更和修改。
显然，本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和范围。这样，倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些改动和变型在内。

Claims (39)

  1. 一种数据传输的方法，其特征在于，该方法包括：
    终端设备预先存储一组小区的TA指示列表；
    所述终端设备进行小区选择或者重选，获得经过选择或重选得到的小区的小区标识；
    所述终端设备根据所述小区标识，在所述一组小区的TA指示列表中查询所述小区标识对应的TA值；
    若所述终端设备成功查询到所述小区标识对应的TA值，则所述终端设备执行免随机接入的上行无线资源控制RRC消息发送，其中，所述免随机接入的上行RRC消息发送是所述终端设备根据所述TA值向为所述小区提供服务的网络设备直接发送所述上行RRC消息。
  2. 如权利要求1所述的方法，其特征在于，在终端设备预先存储所述一组小区的TA指示列表之前，所述方法还包括：
    所述终端设备接收所述网络设备发送的广播消息中包含的所述一组小区的TA指示列表；或者
    所述终端设备接收所述网络设备发送的控制消息中包含的所述一组小区的TA指示列表，其中，所述控制消息为无线资源控制连接释放消息，或媒体接入控制控制单元。
  3. 如权利要求1所述的方法，其特征在于，在终端设备预先存储所述一组小区的TA指示列表之前，还包括：
    所述终端设备根据历史驻留信息生成所述一组小区的TA指示列表。
  4. 如权利要求1所述的方法，其特征在于，所述终端设备根据所述TA值向为所述小区提供服务的网络设备直接发送上行RRC消息包括：
    所述终端设备通过竞争接入的方式发送所述上行RRC消息。
  5. 如权利要求1所述的方法，其特征在于，所述上行RRC消息为无线资源控制连接恢复请求消息，或无线资源控制连接建立请求消息，或无线资源控制连接重新建立请求消息。
  6. 如权利要求1所述的方法，其特征在于，在终端设备预先存储所述一组小区的TA指示列表之前，所述方法还包括：
    所述终端设备向所述网络设备上报第一信息，其中，所述第一信息指示所述终端设备是否具有支持免随机接入的上行同步的能力。
  7. 如权利要求1所述的方法，其特征在于，所述一组小区的TA指示列表包括小区标识和所述小区标识对应的TA值。
  8. 如权利要求7所述的方法，其特征在于，所述一组小区的TA指示列表还包括对应所述一组小区的公共资源池，其中，所述公共资源池中的资源用于所述终端设备发送所述上行RRC消息。
  9. 如权利要求7所述的方法，其特征在于，所述一组小区的TA指示列表还包括所述小区标识对应的资源池，其中，所述资源池中的资源用于所述终端设备发送所述上行RRC消息。
  10. 如权利要求8或9所述的方法，其特征在于，所述终端设备根据所述TA值向为所述小区提供给服务的网络设备直接发送所述上行RRC消息包括：
    所述终端设备根据所述TA值，通过所述公共资源池中的资源或所述小区标识对应的资源池中的资源发送所述上行RRC消息。
  11. 一种数据传输的方法，其特征在于，该方法包括：
    网络设备为终端设备配置一组小区的定时提前TA指示列表；
    所述网络设备向所述终端设备发送所述一组小区的TA指示列表。
  12. 如权利要求11所述的方法，其特征在于，所述网络设备向所述终端设备发送所述一组小区的TA指示列表包括：
    所述网络设备将所述一组小区的TA指示列表包含在广播消息中发送给所述终端设备；或者
    所述网络设备将所述一组小区的TA指示列表包含在控制消息中发送给所述终端设备，其中，所述控制消息为无线资源控制连接释放消息，或媒体接入控制控制单元。
  13. 如权利要求11所述的方法，其特征在于，在所述网络设备向所述终端设备发送一组小区的TA指示列表之后，所述方法还包括：
    所述网络设备接收所述终端设备通过免随机接入发送的上行无线资源控制RRC消息，其中，所述免随机接入是指所述网络设备直接接收所述上行RRC消息。
  14. 如权利要求11所述的方法，其特征在于，在网络设备为终端设备配置一组小区的TA指示列表之前，该方法还包括:
    所述网络设备接收所述终端设备的位置信息，以及所述终端设备上报的第一信息，其中，所述第一信息指示所述终端设备是否具有支持免随机接入的上行同步的能力。
  15. 如权利要求14所述的方法，其特征在于，所述网络设备为所述终端设备配置一组小区的TA指示列表包括:
    所述网络设备根据所述位置信息，以及所述第一信息，为所述终端设备配置所述一组小区的TA指示列表。
  16. 如权利要求15所述的方法，其特征在于，所述位置信息是所述网络设备通过所述终端设备的上报获取的，或者是所述网络设备通过各网络设备间的X2***互信息获取的。
  17. 如权利要求11所述的方法，其特征在于，所述一组小区的TA指示列表包括小区标识和所述小区标识对应的TA值。
  18. 如权利要求17所述的方法，其特征在于，所述一组小区的TA指示列表还包括对应所述一组小区的公共资源池，其中，所述网络设备通过所述公共资源池中的资源接收所述终端设备发送的所述上行RRC消息。
  19. 如权利要求17所述的方法，其特征在于，所述一组小区的TA指示列表还包括所述小区标识对应的资源池，其中，所述网络设备通过所述资源池中的资源接收所述终端设备发送的所述上行RRC消息。
  20. 一种终端设备，其特征在于，该终端设备包括：
    存储模块，用于预先存储一组小区的TA指示列表；
    处理模块，用于进行小区选择或重选，获得经过选择或重选得到的小区的小区标识；
    所述处理模块，还用于根据所述小区标识，在所述一组小区的TA指示列表中查询所述小区标识对应的TA值；
    发送模块，用于若所述处理模块成功查询到所述小区标识对应的TA值，则执行免随 机接入的上行无线资源控制RRC消息发送，其中，所述免随机接入的上行RRC消息发送是所述发送模块根据所述TA值向为所述小区提供服务的网络设备直接发送所述上行RRC消息。
  21. 如权利要求20所述的终端设备，其特征在于，在所述存储模块预先存储一组小区的TA指示列表之前，还包括：
    接收模块，用于接收所述网络设备发送的广播消息中包含的所述一组小区的TA指示列表；或者
    所述接收模块还用于接收所述网络设备发送的控制消息中包含的所述一组小区的TA指示列表，其中，所述控制消息为无线资源控制连接释放消息，或媒体接入控制控制单元。
  22. 如权利要求20所述的终端设备，其特征在于，在所述存储模块预先存储一组小区的TA指示列表之前，还包括：
    所述处理模块根据历史驻留信息生成所述一组小区的TA指示列表。
  23. 如权利要求20所述的终端设备，其特征在于，所述发送模块根据所述TA值向为所述小区提供服务的网络设备直接发送上行RRC消息包括：
    所述发送模块通过竞争接入的方式发送所述上行RRC消息。
  24. 如权利要求20所述的终端设备，其特征在于，所述上行RRC消息为无线资源控制连接恢复请求消息，或无线资源控制连接建立请求消息，或无线资源控制连接重新建立请求消息。
  25. 如权利要求20所述的终端设备，其特征在于，在存储模块预先存储所述一组小区的TA指示列表之前，还包括：
    所述发送模块还用于向所述网络设备上报第一信息，其中，所述第一信息指示所述终端设备是否具有支持免随机接入的上行同步的能力。
  26. 如权利要求20所述的终端设备，其特征在于，所述一组小区的TA指示列表包括小区标识和所述小区标识对应的TA值。
  27. 如权利要求26所述的终端设备，其特征在于，所述一组小区的TA指示列表还包括对应所述一组小区的公共资源池，其中，所述公共资源池中的资源用于所述终端设备发送所述上行RRC消息。
  28. 如权利要求26所述的终端设备，其特征在于，所述一组小区的TA指示列表还包括所述小区标识对应的资源池，其中，所述资源池中的资源用于所述发送模块发送所述上行RRC消息。
  29. 如权利要求27或28所述的终端设备，其特征在于，所述发送模块根据所述TA值向为所述小区提供服务的网络设备直接发送所述上行RRC消息包括：
    所述发送模块根据所述TA值，通过所述公共资源池中的资源或所述小区标识对应的资源池中的资源发送所述上行RRC消息。
  30. 一种网络设备，其特征在于，该网络设备包括：
    处理模块，用于为终端设备配置一组小区的定时提前TA指示列表；
    发送模块，用于向所述终端设备发送所述一组小区的TA指示列表。
  31. 如权利要求30所述的网络设备，其特征在于，所述发送模块用于向所述终端设备发送所述一组小区的TA指示列表包括：
    所述发送模块将所述一组小区的TA指示列表包含在广播消息中发送给所述终端设 备；或者
    所述网络设备将所述一组小区的TA指示列表包含在控制消息中发送给所述终端设备，其中，所述控制消息为无线资源控制连接释放消息，或媒体接入控制控制单元。
  32. 如权利要求30所述的网络设备，其特征在于，该网络设备还包括：
    接收模块，用于接收所述终端设备通过免随机接入发送的上行无线资源控制RRC消息，其中，所述免随机接入是指所述网络设备直接接收所述上行RRC消息。
  33. 如权利要求30所述的网络设备，其特征在于，所述接收模块还用于:
    接收所述终端设备的位置信息，以及所述终端设备上报的第一信息，其中，所述第一信息指示所述终端设备是否具有支持免随机接入的上行同步的能力。
  34. 如权利要求33所述的网络设备，其特征在于，所述处理模块用于为终端设备配置一组小区的定时提前TA指示列表包括：
    所述处理模块根据所述位置信息，以及所述第一信息，为所述终端设备配置所述一组小区的TA指示列表。
  35. 如权利要求33所述的网络设备，其特征在于，所述位置信息是所述网络设备通过所述终端设备的上报获取的，或者是所述网络设备通过各网络设备间的X2***互信息获取的。
  36. 如权利要求30所述的网络设备，其特征在于，所述一组小区的TA指示列表包括小区标识和所述小区标识对应的TA值。
  37. 如权利要求36所述的网络设备，其特征在于，所述一组小区的TA指示列表还包括对应所述一组小区的公共资源池，其中，所述发送模块通过所述公共资源池中的资源接收所述终端设备发送的所述上行RRC消息。
  38. 如权利要求36所述的网络设备，其特征在于，所述一组小区的TA指示列表还包括所述小区标识对应的资源池，其中，所述发送模块通过所述资源池中的资源接收所述终端设备发送的所述上行RRC消息。
  39. 一种可读存储介质，其特征在于，包括指令，当所述指令在通信设备上运行时，使得所述通信设备执行如权利要求1至19任一项所述的方法。
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