WO2019061036A1 - 用于数据处理的方法和终端设备 - Google Patents

用于数据处理的方法和终端设备 Download PDF

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Publication number
WO2019061036A1
WO2019061036A1 PCT/CN2017/103523 CN2017103523W WO2019061036A1 WO 2019061036 A1 WO2019061036 A1 WO 2019061036A1 CN 2017103523 W CN2017103523 W CN 2017103523W WO 2019061036 A1 WO2019061036 A1 WO 2019061036A1
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WO
WIPO (PCT)
Prior art keywords
data
terminal device
cell group
radio bearer
sent
Prior art date
Application number
PCT/CN2017/103523
Other languages
English (en)
French (fr)
Inventor
唐海
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to EP21189631.1A priority Critical patent/EP3923656B1/en
Priority to CN201780092513.1A priority patent/CN110786064B/zh
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CA3076255A priority patent/CA3076255C/en
Priority to PCT/CN2017/103523 priority patent/WO2019061036A1/zh
Priority to ES17927507T priority patent/ES2896229T3/es
Priority to JP2020516902A priority patent/JP7035172B2/ja
Priority to KR1020207011958A priority patent/KR102425777B1/ko
Priority to PT179275078T priority patent/PT3687238T/pt
Priority to CN202010089210.8A priority patent/CN111294863B/zh
Priority to AU2017433763A priority patent/AU2017433763B2/en
Priority to RU2020114515A priority patent/RU2740399C1/ru
Priority to DK17927507.8T priority patent/DK3687238T3/da
Priority to MX2020003738A priority patent/MX2020003738A/es
Priority to BR112020005820-3A priority patent/BR112020005820A2/pt
Priority to SG11202002586SA priority patent/SG11202002586SA/en
Priority to EP17927507.8A priority patent/EP3687238B1/en
Priority to TW107133260A priority patent/TWI769314B/zh
Publication of WO2019061036A1 publication Critical patent/WO2019061036A1/zh
Priority to US16/829,915 priority patent/US10939327B2/en
Priority to US17/171,414 priority patent/US11582644B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0252—Traffic management, e.g. flow control or congestion control per individual bearer or channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/08—Load balancing or load distribution
    • H04W28/082—Load balancing or load distribution among bearers or channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0278—Traffic management, e.g. flow control or congestion control using buffer status reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/52—Allocation or scheduling criteria for wireless resources based on load
    • 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
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/08—Upper layer protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
    • H04W84/20—Master-slave selection or change arrangements

Definitions

  • the embodiments of the present application relate to the field of communications, and, more particularly, to a method and a terminal device for data processing.
  • RLC Radio Link Control
  • PDCP Packet Data Convergence Protocol
  • An RLC corresponds to a cell group.
  • the embodiment of the present application provides a method and a terminal device for data processing, which are advantageous for improving flexibility of data transmission.
  • a method for data processing includes: determining, by a terminal device, a data amount of data to be sent of a first split radio bearer of the terminal device and a preset gate of the first split radio bearer
  • the size of the limit, the data amount of the data to be transmitted includes the data volume of the packet data convergence protocol PDCP layer of the first split radio bearer and the default data transmission data configured by the network side in the first split radio bearer.
  • the target cell group for processing the data to be transmitted is selected according to the relationship between the amount of data that has not been preprocessed and the sum of the amount of preprocessed data and the threshold value of the split bearer. It is beneficial to achieve load balancing between cell groups and to improve the flexibility of data transmission.
  • the PDCP layer of the first split radio bearer is connected to two RLC layers, the cell group corresponding to one RLC layer may be a primary cell group, and the cell group corresponding to another RLC layer may be a secondary cell group, where the PDCP may be located.
  • the primary cell group may also be located in the secondary cell group.
  • the data to be sent of the first split radio bearer may be any data pre-processed.
  • the terminal device determines, according to the size relationship, a target cell group for processing the to-be-sent data from a plurality of cell groups corresponding to the first split radio bearer, including: if the to-be-sent The data amount of the data is less than the threshold, and the terminal device determines the cell group corresponding to the first RLC layer as the target cell group.
  • the terminal device determines, according to the size relationship, a target cell group for processing the to-be-sent data from a plurality of cell groups corresponding to the first split radio bearer, including: if the to-be-sent The data amount of the data is greater than or equal to the threshold, and the terminal device determines at least two cell groups corresponding to the first split radio bearer as the target cell group.
  • the at least two RLC layers comprise the first RLC layer.
  • the method further includes: the terminal device sending a buffer status report BSR to the target cell group, where the BSR is used to indicate the data volume of the data to be sent.
  • the method further includes: before the terminal device receives an uplink grant for transmitting the to-be-transmitted data, the terminal device sends at least part of data of the PDCP layer to the target cell group. Corresponding to the RLC layer of the first split radio bearer.
  • the method further includes: when the terminal device receives the uplink grant sent by the target cell group for transmitting the to-be-transmitted data, the terminal device sends the uplink cell group to the target cell group. Data to be sent.
  • the terminal device determines a data relationship between a data volume of the first split radio bearer of the terminal device and a preset threshold value of the first split radio bearer, including: In the case where the terminal device needs to transmit a BSR indicating the amount of data of the data to be transmitted, the terminal device determines the size relationship.
  • the terminal device determines a data relationship between a data volume of the first split radio bearer of the terminal device and a preset threshold value of the first split radio bearer, including: When the first RLC layer preprocesses at least part of the data to be sent, the terminal device determines the size relationship.
  • the terminal device determines a data relationship between a data volume of the first split radio bearer of the terminal device and a preset threshold value of the first split radio bearer, including: When the terminal device receives the uplink grant for transmitting the to-be-sent data, the terminal device determines the size relationship.
  • a terminal device for performing the above first aspect or the first aspect
  • the method in any possible implementation comprises means for performing the method of any of the above-described first aspect or any of the possible implementations of the first aspect.
  • a terminal device comprising: a memory, a processor, an input interface, and an output interface.
  • the memory, the processor, the input interface, and the output interface are connected by a bus system.
  • the memory is for storing instructions for executing the memory stored instructions for performing the method of any of the first aspect or the first aspect of the first aspect.
  • a computer storage medium for storing computer software instructions for performing the method of any of the above first aspect or any of the possible implementations of the first aspect, comprising program.
  • a computer program product comprising instructions, when executed on a computer, causes the computer to perform the method of any of the first aspect or the optional implementation of the first aspect.
  • FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
  • Figure 2 shows the protocol architecture diagram of the split bearer in the dual connectivity scenario.
  • FIG. 3 shows a schematic block diagram of a method for data processing of an embodiment of the present application.
  • FIG. 4 shows a schematic block diagram of a terminal device of an embodiment of the present application.
  • FIG. 5 is another schematic block diagram of a terminal device according to an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolved
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunications System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the technical solutions of the embodiments of the present application can be applied to various communication systems based on non-orthogonal multiple access technologies, such as a sparse code multiple access (SCMA) system, and a low-density signature (Low). Density Signature (LDS) system, etc., of course, the SCMA system and the LDS system may also be referred to as other names in the communication field; further, the technical solution of the embodiment of the present application can be applied to multi-carrier using non-orthogonal multiple access technology.
  • SCMA sparse code multiple access
  • LDS Density Signature
  • Orthogonal Frequency Division Multiplexing OFDM
  • Filter Bank Multi-Carrier FBMC
  • General Frequency Division Multiplexing Generalized Frequency Division Multiplexing (OFDM)) Frequency Division Multiplexing (GFDM)
  • Filtered Orthogonal Frequency Division Multiplexing Filtered-OFDM, F-OFDM
  • the terminal device in the embodiment of the present application may refer to a user equipment (User Equipment, UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, and a wireless device.
  • Communication device user agent or user device.
  • the access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the network device in the embodiment of the present application may be a device for communicating with a terminal device, where the network device may be a Base Transceiver Station (BTS) in GSM or CDMA, or may be a base station (NodeB, NB) in a WCDMA system. And may be an evolved base station (eNB or eNodeB) in the LTE system, or may be a wireless controller in a cloud radio access network (CRAN) scenario, or the network device may be The embodiments of the present application are not limited to the relay station, the access point, the in-vehicle device, the wearable device, and the network device in the future 5G network or the network device in the future evolved PLMN network.
  • BTS Base Transceiver Station
  • NodeB NodeB
  • NB base station
  • CRAN cloud radio access network
  • the embodiments of the present application are not limited to the relay station, the access point, the in-vehicle device, the wearable device, and the network device in the future 5G network or
  • FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
  • the network device around the terminal device 130 in FIG. 1 includes a primary network device 110 and at least one secondary network device 120. At least one The secondary network devices 120 are respectively connected to the primary network device 110 to form a multi-connection, and are respectively connected to the terminal device 130 to provide services thereto.
  • the terminal device 130 can establish a connection through the primary network device 110 and the secondary network device 120 at the same time.
  • the connection established between the terminal device 130 and the primary network device 110 is a primary connection
  • the connection established between the terminal device 130 and the secondary network device 120 is a secondary connection.
  • the control signaling of the terminal device 130 can be transmitted through the primary connection, and the data of the terminal device can be transmitted simultaneously through the primary connection and the secondary connection, or can be transmitted only through the secondary connection.
  • the primary network device may be, for example, a macro base station (Macrocell), and the secondary network device may be, for example, a microcell base station (Microcell), a picocell base station (Picocell), or a femtocell base station (Femtocell), but the present invention The embodiment is not limited to this.
  • a bearer can be referred to as a split bearer, that is, a split bearer.
  • the protocol architecture of the split bearer in the dual connectivity scenario will be briefly described below with reference to FIG.
  • the PDCP is located in a cell group (Cell Group, CG), which is an anchor CG.
  • the CG includes a primary cell group and a secondary cell group
  • the PDCP can be a PDCP protocol data unit
  • the Protocol Data Unit (PDU) is sent to the RLC in the primary cell group and the secondary cell group, so that two connections can be used for data transmission, and the data passes through RLC of different cell groups, Media Access Control (MAC), and then After the air interface reaches the terminal (downlink) or the corresponding MAC of the base station (uplink), the RLC layer, and finally aggregates to the PDCP, and finally the data is delivered to the upper layer.
  • PDU Protocol Data Unit
  • MAC Media Access Control
  • the protocol defines a threshold.
  • the user reports only the BSR to a default CG, and when the uplink resource grant of the CG arrives, The lower layer sends data to form the RLC PDU; when the PDCP data amount is above the threshold, the user reports the BSR to the two CGs at the same time, and when the uplink resource grant of any one CG arrives, the lower layer sends the data to form the RLC PDU.
  • the upper layer data when the upper layer data arrives, it stays in the PDCP layer.
  • the terminal device When the primary cell group or the secondary cell group has the uplink resource grant to reach the terminal device, the terminal device sends the data down to the RLC layer of the primary cell group or the secondary cell group. Finally sent to the network side.
  • the disadvantage of this type of processing is that the terminal device sends the data from the PDCP to the RLC, generates the RLC PDU, and then generates the MAC PDU, which is too high for the instantaneous processing capability of the terminal device.
  • pre-processing is proposed for the problem, that is, the terminal device is allowed to send data from the PDCP to the RLC before the uplink resource authorization reaches the terminal device, and the data is generated.
  • the RLC PDU after the uplink resource grant is reached, generates a MAC PDU, thereby alleviating the instantaneous processing capability requirement for the UE.
  • system and “network” are used interchangeably herein.
  • the term “and/or” in this context is merely an association describing the associated object, indicating that there may be three relationships, for example, A and/or B, which may indicate that A exists separately, and both A and B exist, respectively. B these three situations.
  • the character "/" in this article generally indicates that the contextual object is an "or" relationship.
  • split radio bearer is used for one PDCP to connect two RLCs as an example, but the embodiment of the present application is not limited thereto.
  • FIG. 3 shows a schematic block diagram of a method 200 for data processing in accordance with an embodiment of the present application. As shown in FIG. 3, the method 200 includes the following parts or all of the contents:
  • the terminal device determines a data relationship between a data volume of the to-be-transmitted data of the first split radio bearer of the terminal device and a preset threshold value of the first split radio bearer, where the data volume of the to-be-sent data includes the first The sum of the data amount of the packet data convergence protocol PDCP layer of the split radio bearer and the data amount preprocessed by the first RLC layer configured for transmission by the network side in the first split radio bearer.
  • the terminal device determines, according to the size relationship, a target cell group for processing the to-be-sent data from a plurality of cell groups corresponding to the first split radio bearer.
  • a threshold value may be agreed by the protocol for each split bearer of the terminal device, or a threshold value may be configured for the terminal device by the network side.
  • the terminal device may A part or all of the data in the PDCP of a split bearer is first sent to some RLCs under the split bearer.
  • the terminal device can perform the pre-processed data amount under the split bearer and does not perform. The sum of the pre-processed data amounts is compared to the threshold of the split radio bearer. It should be understood that some RLCs of the split bearer may be pre-processed, and some RLCs cannot be pre-processed.
  • the data that has been pre-processed refers to the terminal device transmitting the part of data from the PDCP of the split bearer to the split bearer.
  • RLC for preprocessing capabilities.
  • the network device may configure the RMC with pre-processing capability as the default RLC in advance, and when the terminal device pre-processes the data to be sent of the split bearer, the terminal device sends part of the data from the PDCP of the split bearer. To default RLC.
  • the terminal device may determine the target cell group for processing the data to be transmitted according to the compared size relationship. It should be understood that different RLCs under the same split bearer may correspond to different cell groups.
  • the target cell group may be a cell group or a plurality of cell groups, which is not limited in this embodiment of the present application.
  • the sum of the amount of data that has not been preprocessed and the amount of data that has been preprocessed and the threshold of the split bearer is beneficial to achieve load balancing between the cell groups and to improve the flexibility of data transmission.
  • the terminal device determines, according to the size relationship, a target cell group for processing the to-be-sent data from a plurality of cell groups corresponding to the first split radio bearer, including: The amount of data of the data to be transmitted is less than the threshold, and the terminal device determines the cell group corresponding to the first RLC layer as the target cell group.
  • the terminal device determines, according to the size relationship, a target cell group for processing the to-be-sent data from a plurality of cell groups corresponding to the first split radio bearer, including: The terminal device determines at least two cell groups corresponding to the first split radio bearer as the target cell group, if the data volume of the data to be transmitted is greater than or equal to the threshold value.
  • the data in a split bearer of the terminal device is sent from the PDCP to a certain RLC before the uplink grant is received, and the terminal device can use the data amount in the PDCP and the data in the RLC.
  • the sum of the quantities is compared with the threshold of the split bearer. If it is less than the threshold, it can be considered that the current requirement can be met by using one connection, and the terminal device can select the cell group corresponding to an RLC under the split bearer.
  • the current data processing is performed. If the value is greater than the threshold, it can be considered that the current requirement cannot be met by using one connection. Then, the terminal device can select multiple cell groups corresponding to the split bearer to process the current data.
  • the network side configures a default RLC for the split bearer 1 of the terminal device for data processing, and the terminal device sends the data of the split bearer 1 from the PDCP to the pre-send before the terminal device receives the uplink authorization for the split bearer 1.
  • the terminal device sends the data in the default RLC to the cell group corresponding to the default RLC, and the terminal device will not pass.
  • the pre-processed data in the PDCP is sent to the default RLC, MAC, and then reaches the cell group corresponding to the default RLC through the air interface.
  • the split bearer 1 of the terminal device is connected to two RLCs: RLC1 and RLC2, and both the RLC1 and the RLC2 have a pre-processing function, and the terminal device receives the uplink authorization for the data to be sent of the split bearer 1 before the terminal device receives the uplink authorization for the split bearer 1 to be sent.
  • the device has previously sent the data 1 and the data 2 in the split bearer 1 to the RLC1 and the RLC2, respectively, and the terminal device can compare the data amount in the RLC1, the data amount in the RLC2, and the current data amount of the PDCP with the split bearer 1
  • the threshold value is compared, or the terminal device may compare the data amount of one of RLC1 or RLC2 with the current data amount of PDCP and the threshold value of the split bearer 1. If it is greater, the terminal device may The cell groups corresponding to RLC1 and RLC2 are selected as target cell groups.
  • the data pre-processed in the RLC1 and the RLC2 can directly reach the corresponding cell group through the air interface, and the data that has not been pre-processed in the PDCP needs to pass through the RLC1 and the RLC2 and then reach the corresponding cell group through the air interface; If it is smaller, the terminal device selects a cell group corresponding to any one of RLC1 and RLC2 as the target cell group. That is, the terminal device may send the data in the split bearer 1 to the RLC1 but not to the RLC2, and the terminal device may preprocess the data in the RLC1 before receiving the uplink authorization of the split bearer 1. The sum of the amount and the current data volume of the PDCP is compared with the threshold of the split bearer 1.
  • the data in the split bearer 1 may be sent to the RLC2, but not sent to the RLC1, and the terminal device may compare the sum of the data amount preprocessed in the RLC2 with the current data amount of the PDCP and the threshold value of the split bearer 1.
  • the terminal device selects the cell group corresponding to the at least two RLC layers of the first split radio bearer as the target cell group
  • the at least two RLC layers may include a default configuration for transmitting data configured by the network side.
  • the first RLC layer may include a default configuration for transmitting data configured by the network side.
  • the method further includes: the terminal device sends a Buffer Status Report (BSR) to the target cell group, where the BSR is used to indicate the data volume of the data to be sent.
  • BSR Buffer Status Report
  • the BSR is used to provide the serviced network with information about how much data the UE has in the uplink buffer.
  • the terminal device After the terminal device determines the target cell group, the terminal device can access the target cell group.
  • the network reports a BSR for a split bearer. If the target cell group determined by the terminal device is a plurality of cell groups, the terminal device may report the respective BSRs to the plurality of cell groups.
  • the split bearer 1 of the terminal device is connected to two RLCs: RLC1 and RLC2, and both the RLC1 and the RLC2 have a pre-processing function, and the terminal device sets the uplink authorization for the data to be sent for the split bearer 1 before the terminal device sets
  • the data 1 and the data 2 in the split bearer 1 have been previously transmitted to the RLC1 and the RLC2, respectively, and the terminal device assumes that the target cell group includes the cell group corresponding to the RLC1 and the cell group corresponding to the RLC2, and the terminal device can reach the cell corresponding to the RLC1.
  • the group reports the BSR, and indicates the sum of the current data volume of the PDCP and the amount of data preprocessed in the RLC1.
  • the terminal device may also report the BSR to the cell group corresponding to the RLC2, indicating the sum of the current data volume of the PDCP and the data amount preprocessed in the RLC2. .
  • the terminal device may send the BSR to the target cell group by using MAC layer signaling.
  • the method further includes: when the terminal device receives the uplink authorization sent by the target cell group for transmitting the to-be-transmitted data, the terminal device sends the uplink cell authorization to the target cell group. Send the data to be sent.
  • the terminal device may send data to the target cell group for the uplink grant of the target cell group.
  • the target cell group determined by the terminal device is the cell group corresponding to the RLC1 of the split bearer 1
  • the terminal device may send data to the cell group corresponding to the RLC1 only for the uplink grant sent by the cell group corresponding to the RLC1.
  • the terminal device does not send data to the cell group corresponding to the other RLCs of the split bearer 1, even if the terminal receives the uplink grant sent by the cell group corresponding to the other RLC.
  • the terminal device may perform some subsequent operations, including but not limited to the following:
  • the data is delivered to the target cell group for the uplink grant of the target cell group.
  • the comparison between a split radio bearer and its threshold by the terminal device can be triggered under the following conditions:
  • the terminal device determines, according to a preset size relationship between a data volume of the first split radio bearer of the terminal device and a preset threshold value of the first split radio bearer, including In the case where the terminal device needs to transmit a BSR indicating the amount of data of the data to be transmitted, the terminal device determines the size relationship.
  • the terminal device determines, according to a preset size relationship between a data volume of the first split radio bearer of the terminal device and a preset threshold value of the first split radio bearer, including Pre-predicting at least part of the data in the to-be-sent data at the first RLC layer When processing, the terminal device determines the size relationship.
  • the terminal device determines, according to a preset size relationship between a data volume of the first split radio bearer of the terminal device and a preset threshold value of the first split radio bearer, including When the terminal device receives an uplink grant for transmitting the to-be-sent data, the terminal device determines the size relationship.
  • the terminal device can perform a comparison only for one data of one split radio bearer.
  • the first split radio bearer includes two RLC layers, and the cell group corresponding to the two RCL layers includes a primary cell group and a secondary cell group. That is, the first split radio bearer is a dual-connection, where one RLC corresponds to the primary cell group, and the other RLC corresponds to the secondary cell group, and the PDCP of the first split radio bearer may be located in the primary cell group, or may be located in the auxiliary cell group. Community group.
  • the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be implemented in the present application.
  • the implementation of the examples constitutes any limitation.
  • FIG. 4 shows a schematic block diagram of a terminal device 300 according to an embodiment of the present application.
  • the terminal device 300 includes:
  • the first determining unit 310 is configured to determine a size relationship between a data volume of the data to be sent of the first split radio bearer of the terminal device and a preset threshold value of the first split radio bearer, where the data to be sent is sent.
  • the data amount includes the data amount of the packet data convergence protocol PDCP layer of the first split radio bearer and the pre-processed data of the first RLC layer configured by the network side to be used for transmitting data in the first split radio bearer.
  • the second determining unit 320 is configured to determine, according to the size relationship, a target cell group for processing the to-be-sent data from a plurality of cell groups corresponding to the first split radio bearer.
  • the terminal device in the embodiment of the present application performs preprocessing on the data of the split bearer.
  • the target cell group for processing the data to be transmitted is selected, which is advantageous for realizing the load between the cell groups. Equilibrium, while helping to increase the flexibility of data transmission.
  • the second determining unit 320 is specifically configured to: if the data volume of the data to be sent is less than the threshold, determine a cell group corresponding to the first RLC layer as the target. Community group.
  • the second determining unit 320 is specifically configured to: if the data volume of the data to be sent is greater than or equal to the threshold, at least two corresponding to the first split radio bearer The cell group is determined to be the target cell group.
  • the at least two RLC layers include the first RLC layer.
  • the terminal device 300 further includes: a first sending unit, configured to send a buffer status report BSR to the target cell group, where the BSR is used to indicate the data volume of the data to be sent.
  • a first sending unit configured to send a buffer status report BSR to the target cell group, where the BSR is used to indicate the data volume of the data to be sent.
  • the terminal device 300 further includes: a second sending unit, configured to: at least part of the PDCP layer before the terminal device receives an uplink grant for transmitting the to-be-sent data
  • the data is sent to the RLC layer of the first split radio bearer corresponding to the target cell group.
  • the terminal device 300 further includes: a third sending unit, configured to: when the terminal device receives the uplink authorization sent by the target cell group for transmitting the to-be-transmitted data, Sending the to-be-sent data to the target cell group.
  • a third sending unit configured to: when the terminal device receives the uplink authorization sent by the target cell group for transmitting the to-be-transmitted data, Sending the to-be-sent data to the target cell group.
  • the first determining unit 310 is specifically configured to determine the size relationship if the terminal device needs to send a BSR for indicating the amount of data of the to-be-sent data.
  • the first determining unit 310 is specifically configured to determine the size relationship when the first RLC layer performs pre-processing on at least part of the data to be sent.
  • the first determining unit 310 is specifically configured to determine the size relationship when the terminal device receives an uplink grant for transmitting the to-be-sent data.
  • the first split radio bearer includes two RLC layers, and the cell group corresponding to the two RCL layers includes a primary cell group and a secondary cell group.
  • terminal device 300 may correspond to the terminal device in the method embodiment of the present application, and the foregoing and other operations and/or functions of the respective units in the terminal device 300
  • the corresponding processes of the terminal device in the method of FIG. 3 can be implemented separately, and are not described herein for brevity.
  • the embodiment of the present application further provides a terminal device 400, which may be the terminal device 300 in FIG. 4, which can be used to execute the content of the terminal device corresponding to the method 200 of FIG.
  • the terminal device 400 includes an input interface 410, an output interface 420, a processor 430, and a memory 440.
  • the input interface 410, the output interface 420, the processor 430, and the memory 440 can be connected by a bus system.
  • the memory 440 is for storing programs, instructions or code.
  • the processor 430 is configured to execute a program, an instruction or a code in the memory 440 to control the input interface 410 to receive a signal, control the output interface 420 to send a signal, and complete the operations in the foregoing method embodiments.
  • the terminal device determines the relationship between the sum of the amount of data that has not been preprocessed and the amount of data that has been preprocessed and the threshold value of the split bearer. Selecting a target cell group for processing data to be transmitted is advantageous for implementing load balancing between cell groups, and is advantageous for improving data transmission flexibility.
  • the processor 430 may be a central processing unit (CPU), and the processor 430 may also be another general-purpose processor, a digital signal processor (DSP). , Application Specific Integrated Circuit (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, etc.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 440 can include read only memory and random access memory and provides instructions and data to the processor 430. A portion of the memory 440 may also include a non-volatile random access memory. For example, the memory 440 can also store information of the device type.
  • each content of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 430 or an instruction in a form of software.
  • the content of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 440, and the processor 430 reads the information in the memory 440 and combines its hardware to complete the contents of the above method. To avoid repetition, it will not be described in detail here.
  • the first determining unit and the second determining unit of the terminal device 300 may be implemented by the processor 430 in FIG. 5, where the first sending unit, the second sending unit, and the third sending unit of the terminal device 300 may Implemented by output interface 420 in FIG.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or may be Integrate into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • This functionality if implemented as a software functional unit and sold or used as a standalone product, can be stored on a computer readable storage medium.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of various embodiments of the present application.
  • the medium includes: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), disk or optical disk, and other media that can store program code.

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Abstract

一种用于数据处理的方法（200）和终端设备（130,300,400），该方法（200）包括：终端设备（130,300,400）确定该终端设备（130,300,400）的第一分裂无线承载的待发送数据的数据量与预设的该第一分裂无线承载的门限值的大小关系，该待发送数据的数据量包括该第一分裂无线承载的分组数据汇聚协议PDCP层的数据量与该第一分裂无线承载中由网络侧配置的默认的用于传输数据的第一RLC层预处理的数据量之和（210）；该终端设备（130,300,400）根据该大小关系，从与该第一分裂无线承载对应的多个小区组确定用于处理该待发送数据的目标小区组（220）。该方法（200）和终端设备（130,300,400）有利于实现小区组间的负载均衡，同时有利于提高数据传输的灵活性。

Description

用于数据处理的方法和终端设备 技术领域
本申请实施例涉及通信领域，并且更具体地，涉及一种用于数据处理的方法和终端设备。
背景技术
当数据承载采用分裂承载(split bearer)的协议架构时，一个分组数据汇聚协议(Packet Data Convergence Protocol，PDCP)下面分别连接两个或者更多的无线链路控制(Radio Link Control，RLC)，每一个RLC对应一个小区组，当某一个分裂无线承载有上行数据需要传输时，终端设备如何选择小区组进行数据处理是需要解决的问题。
发明内容
有鉴于此，本申请实施例提供了一种用于数据处理的方法和终端设备，有利于提高数据传输的灵活性。
第一方面，提供了一种用于数据处理的方法，该方法包括：终端设备确定该终端设备的第一分裂无线承载的待发送数据的数据量与预设的该第一分裂无线承载的门限值的大小关系，该待发送数据的数据量包括该第一分裂无线承载的分组数据汇聚协议PDCP层的数据量与该第一分裂无线承载中由网络侧配置的默认的用于传输数据的第一RLC层预处理的数据量之和；该终端设备根据该大小关系，从与该第一分裂无线承载对应的多个小区组确定用于处理该待发送数据的目标小区组。
在split bearer的数据进行预处理的情况下，根据未进行预处理的数据量与进行了预处理的数据量之和与split bearer的门限值的大小关系，选择处理待发送数据的目标小区组，有利于实现小区组间的负载均衡，同时有利于提高数据传输的灵活性。
可选地，该第一分裂无线承载的PDCP层连接两个RLC层，一个RLC层对应的小区组可以是主小区组，另一个RLC层对应的小区组可以是辅小区组，该PDCP可以位于主小区组，也可以位于辅小区组。
可选地，第一分裂无线承载的待发送数据可以是任一已经进行数据预处 理的RLC层的数据量与PDCP层当前数据量之和。
在一种可能的实现方式中，该终端设备根据该大小关系，从与该第一分裂无线承载对应的多个小区组确定用于处理该待发送数据的目标小区组，包括：若该待发送数据的数据量小于该门限值，该终端设备将与该第一RLC层对应的小区组确定为该目标小区组。
在一种可能的实现方式中，该终端设备根据该大小关系，从与该第一分裂无线承载对应的多个小区组确定用于处理该待发送数据的目标小区组，包括：若该待发送数据的数据量大于或等于该门限值，该终端设备将与该第一分裂无线承载对应的至少两个小区组确定为该目标小区组。
在一种可能的实现方式中，该至少两个RLC层包括该第一RLC层。
在一种可能的实现方式中，该方法还包括：该终端设备向该目标小区组发送缓冲区状态报告BSR，该BSR用于指示该待发送数据的数据量。
在一种可能的实现方式中，该方法还包括：在该终端设备接收到用于传输该待发送数据的上行授权之前，该终端设备将该PDCP层的至少部分数据发送到与该目标小区组对应的该第一分裂无线承载的RLC层。
在一种可能的实现方式中，该方法还包括：在该终端设备接收到该目标小区组发送的用于传输该待发送数据的上行授权的情况下，该终端设备向该目标小区组发送该待发送数据。
在一种可能的实现方式中，该终端设备确定该终端设备的第一分裂无线承载的待发送数据的数据量与预设的该第一分裂无线承载的门限值的大小关系，包括：在该终端设备需要发送用于指示该待发送数据的数据量的BSR的情况下，该终端设备确定该大小关系。
在一种可能的实现方式中，该终端设备确定该终端设备的第一分裂无线承载的待发送数据的数据量与预设的该第一分裂无线承载的门限值的大小关系，包括：在该第一RLC层对该待发送数据中的至少部分数据进行预处理时，该终端设备确定该大小关系。
在一种可能的实现方式中，该终端设备确定该终端设备的第一分裂无线承载的待发送数据的数据量与预设的该第一分裂无线承载的门限值的大小关系，包括：在该终端设备接收到用于传输该待发送数据的上行授权时，该终端设备确定该大小关系。
第二方面，提供了一种终端设备，用于执行上述第一方面或第一方面的 任意可能的实现方式中的方法。具体地，该终端设备包括用于执行上述第一方面或第一方面的任意可能的实现方式中的方法的单元。
第三方面，提供了一种终端设备，该终端设备包括：存储器、处理器、输入接口和输出接口。其中，存储器、处理器、输入接口和输出接口通过总线系统相连。该存储器用于存储指令，该处理器用于执行该存储器存储的指令，用于执行上述第一方面或第一方面的任意可能的实现方式中的方法。
第四方面，提供了一种计算机存储介质，用于储存为执行上述第一方面或第一方面的任意可能的实现方式中的方法所用的计算机软件指令，其包含用于执行上述方面所设计的程序。
第五方面，提供了一种包括指令的计算机程序产品，当其在计算机上运行时，使得计算机执行上述第一方面或第一方面的任一可选的实现方式中的方法。
本申请的这些方面或其他方面在以下实施例的描述中会更加简明易懂。
附图说明
图1示出了本申请实施例一个应用场景的示意图。
图2示出了双连接场景下的split bearer的协议架构图。
图3示出了本申请实施例的用于数据处理的方法的示意性框图。
图4示出了本申请实施例的终端设备的示意性框图。
图5示出了本申请实施例的终端设备的另一示意性框图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述。
应理解，本申请实施例的技术方案可以应用于各种通信系统，例如：全球移动通讯(Global System of Mobile communication，GSM)系统、码分多址(Code Division Multiple Access，CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)系统、通用分组无线业务(General Packet Radio Service，GPRS)、长期演进(Long Term Evolved，LTE)系统、LTE频分双工(Frequency Division Duplex，FDD)系统、LTE时分双工(Time Division Duplex，TDD)、通用移动通信系统(Universal Mobile  Telecommunication System，UMTS)、全球互联微波接入(Worldwide Interoperability for Microwave Access，WiMAX)通信系统、新无线(New Radio，NR)或未来的5G系统等。
特别地，本申请实施例的技术方案可以应用于各种基于非正交多址接入技术的通信系统，例如稀疏码多址接入(Sparse Code Multiple Access，SCMA)系统、低密度签名(Low Density Signature，LDS)系统等，当然SCMA系统和LDS系统在通信领域也可以被称为其他名称；进一步地，本申请实施例的技术方案可以应用于采用非正交多址接入技术的多载波传输系统，例如采用非正交多址接入技术正交频分复用(Orthogonal Frequency Division Multiplexing，OFDM)、滤波器组多载波(Filter Bank Multi-Carrier，FBMC)、通用频分复用(Generalized Frequency Division Multiplexing，GFDM)、滤波正交频分复用(Filtered-OFDM，F-OFDM)系统等。
本申请实施例中的终端设备可以指用户设备(User Equipment，UE)、接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol，SIP)电话、无线本地环路(Wireless Local Loop，WLL)站、个人数字处理(Personal Digital Assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备，未来5G网络中的终端设备或者未来演进的公用陆地移动通信网络(Public Land Mobile Network，PLMN)中的终端设备等，本申请实施例并不限定。
本申请实施例中的网络设备可以是用于与终端设备通信的设备，该网络设备可以是GSM或CDMA中的基站(Base Transceiver Station，BTS)，也可以是WCDMA系统中的基站(NodeB，NB)，还可以是LTE系统中的演进型基站(Evolutional NodeB，eNB或eNodeB)，还可以是云无线接入网络(Cloud Radio Access Network，CRAN)场景下的无线控制器，或者该网络设备可以为中继站、接入点、车载设备、可穿戴设备以及未来5G网络中的网络设备或者未来演进的PLMN网络中的网络设备等，本申请实施例并不限定。
图1是本申请实施例的一个应用场景的示意图。图1中的终端设备130周围的网络设备包括主网络设备110和至少一个辅网络设备120。该至少一 个辅网络设备120分别与主网络设备110相连，构成多连接，并分别与终端设备130连接为其提供服务。终端设备130可以通过主网络设备110和辅网络设备120同时建立连接。终端设备130和主网络设备110建立的连接为主连接，终端设备130与辅网络设备120建立的连接为辅连接。终端设备130的控制信令可以通过主连接进行传输，而终端设备的数据可以通过主连接和辅连接同时传输，也可以只通过辅连接进行传输。
在本申请实施例中，主网络设备例如可以是宏基站(Macrocell)，辅网络设备例如可以为微蜂窝基站(Microcell)、微微蜂窝基站(Picocell)、毫微微蜂窝基站(Femtocell)，但本发明实施例不限于此。
本领域技术人员理解，可以将一个PDCP下面分别连接两个或者更多RLC，这样的一个承载可以称为是分裂承载，也就是split bearer。下面将结合图2简单介绍在双连接场景下的split bearer的协议架构。对于上下行来讲，PDCP位于某一个小区组(Cell Group，CG)，该CG即为锚小区组(anchor CG)，其中CG包括主小区组和辅小区组，PDCP可以将PDCP协议数据单元(Protocol Data Unit，PDU)发送到主小区组和辅小区组中的RLC，从而可以利用两个连接进行数据传输，数据经过不同小区组的RLC，媒体接入控制(Media Access Control，MAC)，再经过空口到达终端(下行)或者基站(上行)相应的MAC，RLC层，最后再汇聚到PDCP，从而最终将数据递交到高层。
在LTE中，针对每一个split bearer，协议定义了一个门限值，当PDCP数据量在门限值之下，用户只向一个默认的CG汇报BSR，并且当该CG的上行资源授权到达时，向下层发送数据组成RLC PDU；当PDCP数据量在门限值之上，用户同时向两个CG汇报BSR，并且当任何一个CG的上行资源授权到达时，向下层发送数据组成RLC PDU。在LTE中，上层数据到达后停留在PDCP层，当主小区组或者辅小区组有上行资源授权到达终端设备时，终端设备再把数据向下送到主小区组或者辅小区组的RLC层，从而最终发给网络侧。这样的处理方式坏处在于只有等到上行资源授权达到终端设备时，终端设备才会将数据从PDCP下发到RLC，产生RLC PDU，并进而产生MAC PDU，对于终端设备的瞬时处理能力要求太高。
在NR中，对于该问题提出了预处理(pre-processing)，即允许终端设备在上行资源授权达到终端设备之前，就把数据从PDCP下发到RLC，产生 RLC PDU，等到上行资源授权达到之后，进而产生MAC PDU，从而减轻对于UE的瞬时处理能力要求。如何在终端设备对某个split bearer的数据进行预处理的场景下，结合LTE中该split bearer定义的门限值来确定为终端设备提供服务的小区组，从而实现小区组之间的负载均衡是需要解决的问题。
应理解，本文中术语“系统”和“网络”在本文中常被可互换使用。本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
还应理解，本申请中多处以一个分裂无线承载为一个PDCP连接两个RLC为例进行描述，但本申请实施例并不限于此。
图3示出了本申请实施例的用于数据处理的方法200的示意性框图。如图3所示，该方法200包括以下部分内容或全部内容：
S210，终端设备确定该终端设备的第一分裂无线承载的待发送数据的数据量与预设的该第一分裂无线承载的门限值的大小关系，该待发送数据的数据量包括该第一分裂无线承载的分组数据汇聚协议PDCP层的数据量与该第一分裂无线承载中由网络侧配置的默认的用于传输数据的第一RLC层预处理的数据量之和。
S220，该终端设备根据该大小关系，从与该第一分裂无线承载对应的多个小区组确定用于处理该待发送数据的目标小区组。
具体地，可以由协议为终端设备的每一个split bearer约定一个门限值，或者也可以由网络侧为终端设备配置一个门限值，当终端设备在接收到上行授权之前，终端设备可以将某一个split bearer的PDCP中的部分或者全部数据先下发到该split bearer下的某些RLC，那么当终端设备在比较时，终端设备可以将该split bearer下已经进行预处理的数据量以及未进行预处理的数据量之和与该分裂无线承载的门限值比较。应理解，split bearer的某些RLC可以进行预处理，某些RLC不能进行预处理，已经进行了预处理的数据是指终端设备将该部分数据从该split bearer的PDCP发送到该split bearer的具有预处理能力的RLC。例如，网络设备可以为终端设备提前配置一个具有预处理能力的RLC作为默认RLC，那么当终端设备对该split bearer的待发送数据进行预处理时，终端设备将部分数据从该split bearer的PDCP发送到默认 的RLC。终端设备将同一split bearer的PDCP中的数据量与RLC中的预处理数据量与门限值比较之后，可以根据比较的大小关系，来确定处理待发送数据的目标小区组。应理解，同一个split bearer下的不同RLC可以对应不同的小区组。该目标小区组可以是一个小区组，也可以是多个小区组，本申请实施例对此不构成限定。
因此，本申请实施例的用于数据处理的方法，在split bearer的数据进行预处理的情况下，根据未进行预处理的数据量与进行了预处理的数据量之和与split bearer的门限值的大小关系，选择处理待发送数据的目标小区组，有利于实现小区组间的负载均衡，同时有利于提高数据传输的灵活性。
可选地，在本申请实施例中，该终端设备根据该大小关系，从与该第一分裂无线承载对应的多个小区组确定用于处理该待发送数据的目标小区组，包括：若该待发送数据的数据量小于该门限值，该终端设备将与该第一RLC层对应的小区组确定为该目标小区组。
可选地，在本申请实施例中，该终端设备根据该大小关系，从与该第一分裂无线承载对应的多个小区组确定用于处理该待发送数据的目标小区组，包括：若该待发送数据的数据量大于或等于该门限值，该终端设备将与该第一分裂无线承载对应的至少两个小区组确定为该目标小区组。
具体地，假设终端设备的某一个split bearer中的数据在未收到上行授权之前就将数据从PDCP中下发到某个RLC中，终端设备可以将PDCP中的数据量与该RLC中的数据量之和与该split bearer的门限值进行比较，如果小于门限值，则可以认为用一个连接就能满足当前的需求，终端设备就可以选择该split bearer下的某个RLC对应的小区组进行当前的数据处理，如果大于门限值，则可以认为用一个连接是无法满足当前的需求，那么终端设备可以选择该split bearer对应的多个小区组进行当前数据的处理。
举例来说，网络侧为终端设备的split bearer 1配置一个默认的RLC进行数据处理，终端设备在接收到针对该split bearer 1的上行授权之前，终端设备将split bearer 1的数据从PDCP预先发送到默认的RLC中，在终端设备接收到针对该split bearer 1的上行授权之后，终端设备将预先在默认的RLC中的数据直接发送到与该默认的RLC对应的小区组，同时终端设备将未经过预处理的还在PDCP中的数据下发到该默认的RLC、MAC，再经过空口到达与默认的RLC对应的小区组。
再举例来说，终端设备的split bearer 1连接了2个RLC：RLC1和RLC2，RLC1和RLC2均具有预处理功能，终端设备在接收到针对该split bearer 1的待发送数据的上行授权之前，终端设备已经将该split bearer 1中的数据1和数据2分别预先发送到RLC1和RLC2，终端设备可以将RLC1中的数据量、RLC2中的数据量以及PDCP当前的数据量之和与该split bearer 1的门限值进行比较，或者终端设备也可以将RLC1或RLC2中的某一个的数据量与PDCP当前的数据量之和与该split bearer 1的门限值进行比较，如果大于，那么终端设备可以将RLC1和RLC2对应的小区组都选为目标小区组。也就是说，在RLC1和RLC2中预处理的数据可以直接经过空口到达分别对应的小区组，而PDCP中未经过预处理的数据需要先通过RLC1和RLC2再经过空口到达分别对应的小区组；如果小于，则终端设备将RLC1和RLC2中的任意一个对应的小区组选为目标小区组。也就是说，终端设备可以在接收到该split bearer 1的上行授权之前，终端设备可以将该split bearer 1中的数据发送到RLC1，但不发送到RLC2，终端设备可以将RLC1中预处理的数据量与PDCP的当前数据量之和与split bearer 1的门限值比较。或者也可以将split bearer 1中的数据发送到RLC2，但不发送到RLC1，终端设备可以将RLC2中预处理的数据量与PDCP的当前数据量之和与split bearer 1的门限值比较。
可选地，当终端设备选择了第一分裂无线承载的至少两个RLC层对应的小区组为目标小区组时，该至少两个RLC层可以包括由网络侧配置的默认的用于传输数据的第一RLC层。
可选地，在本申请实施例中，该方法还包括：该终端设备向该目标小区组发送缓冲区状态报告(Buffer Status Report，BSR)，该BSR用于指示该待发送数据的数据量。
本领域技术人员理解，BSR用于给服务的网络提供UE有共有多少数据存在上行的缓冲区里需要发送的信息，终端设备一旦确定了目标小区组之后，终端设备就可以向该目标小区组内的网络上报针对某个split bearer的BSR。如果终端设备确定的目标小区组为多个小区组，终端设备可以分别向多个小区组上报各自相应的BSR。例如，终端设备的split bearer 1连接了2个RLC：RLC1和RLC2，并且RLC1和RLC2均具有预处理功能，终端设备在接收到针对该split bearer 1的待发送数据的上行授权之前，终端设 备已经将该split bearer 1中的数据1和数据2分别预先发送到RLC1和RLC2，终端设备假设确定目标小区组包括RLC1对应的小区组和RLC2对应的小区组，终端设备可以向RLC1对应的小区组上报BSR，指示PDCP当前数据量与该RLC1中预处理的数据量之和，终端设备也可以向RLC2对应的小区组上报BSR，指示PDCP当前数据量与该RLC2中预处理的数据量之和。
可选地，终端设备可以通过MAC层信令向目标小区组发送BSR。
可选地，在本申请实施例中，该方法还包括：在该终端设备接收到该目标小区组发送的用于传输该待发送数据的上行授权的情况下，该终端设备向该目标小区组发送该待发送数据。
具体地，再终端设备确定了目标小区组后，终端设备只要接收到目标小区组发送的上行授权之后，终端设备可以针对该目标小区组的上行授权，向目标小区组发送数据。举例来说，终端设备确定的目标小区组为上述split bearer 1的RLC1对应的小区组，终端设备可以只针对RLC1对应的小区组发送的上行授权向该RLC1对应的小区组发送数据，换句话说，终端设备不向split bearer 1的其他RLC对应的小区组发送数据，即便终端接收到了其他RLC对应的小区组发送的上行授权。
终端设备一旦确定了目标小区组之后，终端设备可以进行后续的一些操作，包括但不限于以下内容：
向目标小区组所在的连接进行数据预处理；
向目标小区组进行BSR上报；
针对目标小区组的上行授权向目标小区组进行数据递交。
终端设备进行某个分裂无线承载与其门限值的比较可以在以下条件下触发：
可选地，在本申请实施例中，该终端设备确定该终端设备的第一分裂无线承载的待发送数据的数据量与预设的该第一分裂无线承载的门限值的大小关系，包括：在该终端设备需要发送用于指示该待发送数据的数据量的BSR的情况下，该终端设备确定该大小关系。
可选地，在本申请实施例中，该终端设备确定该终端设备的第一分裂无线承载的待发送数据的数据量与预设的该第一分裂无线承载的门限值的大小关系，包括：在该第一RLC层对该待发送数据中的至少部分数据进行预 处理时，该终端设备确定该大小关系。
可选地，在本申请实施例中，该终端设备确定该终端设备的第一分裂无线承载的待发送数据的数据量与预设的该第一分裂无线承载的门限值的大小关系，包括：在该终端设备接收到用于传输该待发送数据的上行授权时，该终端设备确定该大小关系。
应理解，上述几种触发条件仅仅用来示意，本申请实施例并不限于此。
终端设备可以只针对一个分裂无线承载的一次数据进行一次比较。
可选地，在本申请实施例中，该第一分裂无线承载包括两个RLC层，与该两个RCL层对应的小区组包括主小区组和辅小区组。也就是说，该第一分裂无线承载为双连接，其中一个RLC对应主小区组，另外一个RLC对应辅小区组，该第一分裂无线承载的PDCP可以位于该主小区组，也可以位于该辅小区组。
应理解，网络设备描述的网络设备与终端设备之间的交互及相关特性、功能等与终端设备的相关特性、功能相应。并且相关内容在上述方法100中已经作了详尽描述，为了简洁，在此不再赘述。
还应理解，在本申请的各种实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请实施例的实施过程构成任何限定。
上文中详细描述了根据本申请实施例的用于数据处理的方法，下面将结合图4和图5，描述根据本申请实施例的用于数据处理的装置，方法实施例所描述的技术特征适用于以下装置实施例。
图4示出了本申请实施例的终端设备300的示意性框图。如图4所示，该终端设备300包括：
第一确定单元310，用于确定所述终端设备的第一分裂无线承载的待发送数据的数据量与预设的所述第一分裂无线承载的门限值的大小关系，所述待发送数据的数据量包括所述第一分裂无线承载的分组数据汇聚协议PDCP层的数据量与所述第一分裂无线承载中由网络侧配置的默认的用于传输数据的第一RLC层预处理的数据量之和；
第二确定单元320，用于根据所述大小关系，从与所述第一分裂无线承载对应的多个小区组确定用于处理所述待发送数据的目标小区组。
因此，本申请实施例的终端设备，在split bearer的数据进行预处理的情 况下，根据未进行预处理的数据量与进行了预处理的数据量之和与split bearer的门限值的大小关系，选择处理待发送数据的目标小区组，有利于实现小区组间的负载均衡，同时有利于提高数据传输的灵活性。
可选地，在本申请实施例中，该第二确定单元320具体用于：若该待发送数据的数据量小于该门限值，将与该第一RLC层对应的小区组确定为该目标小区组。
可选地，在本申请实施例中，该第二确定单元320具体用于：若该待发送数据的数据量大于或等于该门限值，将与该第一分裂无线承载对应的至少两个小区组确定为该目标小区组。
可选地，在本申请实施例中，该至少两个RLC层包括该第一RLC层。
可选地，在本申请实施例中，该终端设备300还包括：第一发送单元，用于向该目标小区组发送缓冲区状态报告BSR，该BSR用于指示该待发送数据的数据量。
可选地，在本申请实施例中，该终端设备300还包括：第二发送单元，用于在该终端设备接收到用于传输该待发送数据的上行授权之前，将该PDCP层的至少部分数据发送到与该目标小区组对应的该第一分裂无线承载的RLC层。
可选地，在本申请实施例中，该终端设备300还包括：第三发送单元，用于在该终端设备接收到该目标小区组发送的用于传输该待发送数据的上行授权的情况下，向该目标小区组发送该待发送数据。
可选地，在本申请实施例中，该第一确定单元310具体用于：在该终端设备需要发送用于指示该待发送数据的数据量的BSR的情况下，确定该大小关系。
可选地，在本申请实施例中，该第一确定单元310具体用于：在该第一RLC层对该待发送数据中的至少部分数据进行预处理时，确定该大小关系。
可选地，在本申请实施例中，该第一确定单元310具体用于：在该终端设备接收到用于传输该待发送数据的上行授权时，确定该大小关系。
可选地，在本申请实施例中，该第一分裂无线承载包括两个RLC层，与该两个RCL层对应的小区组包括主小区组和辅小区组。
应理解，根据本申请实施例的终端设备300可对应于本申请方法实施例中的终端设备，并且终端设备300中的各个单元的上述和其它操作和/或功 能分别为了实现图3方法中终端设备的相应流程，为了简洁，在此不再赘述。
如图5所示，本申请实施例还提供了一种终端设备400，该终端设备400可以是图4中的终端设备300，其能够用于执行与图3方法200对应的终端设备的内容。该终端设备400包括：输入接口410、输出接口420、处理器430以及存储器440，该输入接口410、输出接口420、处理器430和存储器440可以通过总线系统相连。该存储器440用于存储包括程序、指令或代码。该处理器430，用于执行该存储器440中的程序、指令或代码，以控制输入接口410接收信号、控制输出接口420发送信号以及完成前述方法实施例中的操作。
因此，本申请实施例的终端设备，在split bearer的数据进行预处理的情况下，根据未进行预处理的数据量与进行了预处理的数据量之和与split bearer的门限值的大小关系，选择处理待发送数据的目标小区组，有利于实现小区组间的负载均衡，同时有利于提高数据传输的灵活性。
应理解，在本申请实施例中，该处理器430可以是中央处理单元(Central Processing Unit，CPU)，该处理器430还可以是其他通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现场可编程门阵列(Field Programmable Gate Array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
该存储器440可以包括只读存储器和随机存取存储器，并向处理器430提供指令和数据。存储器440的一部分还可以包括非易失性随机存取存储器。例如，存储器440还可以存储设备类型的信息。
在实现过程中，上述方法的各内容可以通过处理器430中的硬件的集成逻辑电路或者软件形式的指令完成。结合本申请实施例所公开的方法的内容可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器440，处理器430读取存储器440中的信息，结合其硬件完成上述方法的内容。为避免重复，这里不再详细描述。
一个具体的实施方式中，终端设备300的第一确定单元和第二确定单元可以由图5中的处理器430实现，终端设备300的第一发送单元、第二发送单元和第三发送单元可以由图5中的输出接口420实现。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，该单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
该作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
该功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例的全部或部分步骤。而前述的存储 介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应该以权利要求的保护范围为准。

Claims (22)

  1. 一种用于数据处理的方法，其特征在于，包括：
    终端设备确定所述终端设备的第一分裂无线承载的待发送数据的数据量与预设的所述第一分裂无线承载的门限值的大小关系，所述待发送数据的数据量包括所述第一分裂无线承载的分组数据汇聚协议PDCP层的数据量与所述第一分裂无线承载中由网络侧配置的默认的用于传输数据的第一RLC层预处理的数据量之和；
    所述终端设备根据所述大小关系，从与所述第一分裂无线承载对应的多个小区组中确定用于处理所述待发送数据的目标小区组。
  2. 根据权利要求1所述的方法，其特征在于，所述终端设备根据所述大小关系，从与所述第一分裂无线承载对应的多个小区组中确定用于处理所述待发送数据的目标小区组，包括：
    若所述待发送数据的数据量小于所述门限值，所述终端设备将与所述第一RLC层对应的小区组确定为所述目标小区组。
  3. 根据权利要求1所述的方法，其特征在于，所述终端设备根据所述大小关系，从与所述第一分裂无线承载对应的多个小区组确定用于处理所述待发送数据的目标小区组，包括：
    若所述待发送数据的数据量大于或等于所述门限值，所述终端设备将与所述第一分裂无线承载对应的至少两个小区组确定为所述目标小区组。
  4. 根据权利要求3所述的方法，其特征在于，所述至少两个RLC层包括所述第一RLC层。
  5. 根据权利要求1至4中任一项所述的方法，其特征在于，所述方法还包括：
    所述终端设备向所述目标小区组发送缓冲区状态报告BSR，所述BSR用于指示所述待发送数据的数据量。
  6. 根据权利要求1至5中任一项所述的方法，其特征在于，所述方法还包括：
    在所述终端设备接收到用于传输所述待发送数据的上行授权之前，所述终端设备将所述PDCP层的至少部分数据发送到与所述目标小区组对应的所述第一分裂无线承载的RLC层。
  7. 根据权利要求1至6中任一项所述的方法，其特征在于，所述方法 还包括：
    在所述终端设备接收到所述目标小区组发送的用于传输所述待发送数据的上行授权的情况下，所述终端设备向所述目标小区组发送所述待发送数据。
  8. 根据权利要求1至7中任一项所述的方法，其特征在于，所述终端设备确定所述终端设备的第一分裂无线承载的待发送数据的数据量与预设的所述第一分裂无线承载的门限值的大小关系，包括：
    在所述终端设备需要发送用于指示所述待发送数据的数据量的BSR的情况下，所述终端设备确定所述大小关系。
  9. 根据权利要求1至7中任一项所述的方法，其特征在于，所述终端设备确定所述终端设备的第一分裂无线承载的待发送数据的数据量与预设的所述第一分裂无线承载的门限值的大小关系，包括：
    在所述第一RLC层对所述待发送数据中的至少部分数据进行预处理时，所述终端设备确定所述大小关系。
  10. 根据权利要求1至7中任一项所述的方法，其特征在于，所述终端设备确定所述终端设备的第一分裂无线承载的待发送数据的数据量与预设的所述第一分裂无线承载的门限值的大小关系，包括：
    在所述终端设备接收到用于传输所述待发送数据的上行授权时，所述终端设备确定所述大小关系。
  11. 根据权利要求1至10中任一项所述的方法，其特征在于，所述第一分裂无线承载包括两个RLC层，与所述两个RCL层对应的小区组包括主小区组和辅小区组。
  12. 一种终端设备，其特征在于，所述终端设备包括：
    第一确定单元，用于确定所述终端设备的第一分裂无线承载的待发送数据的数据量与预设的所述第一分裂无线承载的门限值的大小关系，所述待发送数据的数据量包括所述第一分裂无线承载的分组数据汇聚协议PDCP层的数据量与所述第一分裂无线承载中由网络侧配置的默认的用于传输数据的第一RLC层预处理的数据量之和；
    第二确定单元，用于根据所述大小关系，从与所述第一分裂无线承载对应的多个小区组确定用于处理所述待发送数据的目标小区组。
  13. 根据权利要求12所述的终端设备，其特征在于，所述第二确定单 元具体用于：
    若所述待发送数据的数据量小于所述门限值，将与所述第一RLC层对应的小区组确定为所述目标小区组。
  14. 根据权利要求12所述的终端设备，其特征在于，所述第二确定单元具体用于：
    若所述待发送数据的数据量大于或等于所述门限值，将与所述第一分裂无线承载对应的至少两个小区组确定为所述目标小区组。
  15. 根据权利要求14所述的终端设备，其特征在于，所述至少两个RLC层包括所述第一RLC层。
  16. 根据权利要求12至15中任一项所述的终端设备，其特征在于，所述终端设备还包括：
    第一发送单元，用于向所述目标小区组发送缓冲区状态报告BSR，所述BSR用于指示所述待发送数据的数据量。
  17. 根据权利要求12至16中任一项所述的终端设备，其特征在于，所述终端设备还包括：
    第二发送单元，用于在所述终端设备接收到用于传输所述待发送数据的上行授权之前，将所述PDCP层的至少部分数据发送到与所述目标小区组对应的所述第一分裂无线承载的RLC层。
  18. 根据权利要求12至17中任一项所述的终端设备，其特征在于，所述终端设备还包括：
    第三发送单元，用于在所述终端设备接收到所述目标小区组发送的用于传输所述待发送数据的上行授权的情况下，向所述目标小区组发送所述待发送数据。
  19. 根据权利要求12至18中任一项所述的终端设备，其特征在于，所述第一确定单元具体用于：
    在所述终端设备需要发送用于指示所述待发送数据的数据量的BSR的情况下，确定所述大小关系。
  20. 根据权利要求12至18中任一项所述的终端设备，其特征在于，所述第一确定单元具体用于：
    在所述第一RLC层对所述待发送数据中的至少部分数据进行预处理时，确定所述大小关系。
  21. 根据权利要求12至18中任一项所述的终端设备，其特征在于，所述第一确定单元具体用于：
    在所述终端设备接收到用于传输所述待发送数据的上行授权时，确定所述大小关系。
  22. 根据权利要求12至21中任一项所述的终端设备，其特征在于，所述第一分裂无线承载包括两个RLC层，与所述两个RCL层对应的小区组包括主小区组和辅小区组。
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