WO2016183708A1 - 用于分裂承载的上行数据传输的方法、用户设备和基站 - Google Patents

用于分裂承载的上行数据传输的方法、用户设备和基站 Download PDF

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Publication number
WO2016183708A1
WO2016183708A1 PCT/CN2015/079017 CN2015079017W WO2016183708A1 WO 2016183708 A1 WO2016183708 A1 WO 2016183708A1 CN 2015079017 W CN2015079017 W CN 2015079017W WO 2016183708 A1 WO2016183708 A1 WO 2016183708A1
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Prior art keywords
base station
pbr
data
status report
split bearer
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PCT/CN2015/079017
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English (en)
French (fr)
Inventor
常俊仁
毕皓
Original Assignee
华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201580038279.5A priority Critical patent/CN106538024A/zh
Priority to PCT/CN2015/079017 priority patent/WO2016183708A1/zh
Publication of WO2016183708A1 publication Critical patent/WO2016183708A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling

Definitions

  • the present invention relates to the field of communications, and in particular, to a method, user equipment, and base station for uplink data transmission for split bearers.
  • 3GPP 3rd Generation Partner Project
  • DC Dual Connectivity
  • the main idea of DC technology is to aggregate the carriers of different base stations connected by non-ideal backhaul links to improve the data transmission rate.
  • one UE will be connected to two evolved Node Bs ("eNBs"), one is the primary base station (Master eNB, referred to as “MeNB”), and the other is the secondary base station (Secondary eNB, Referred to as "SeNB”), the non-ideal backhaul connection between the MeNB and the SeNB.
  • eNBs evolved Node Bs
  • MeNB primary base station
  • Secondary eNB secondary base station
  • the protocol stack of the MeNB and the SeNB in the dual connectivity mode determined by the 3GPP is as shown in FIG. 1.
  • the DRB 1 For the Dada Radio Bearer (DRB) 1, the DRB 1 only passes through the MeNB to the user equipment. The UE sends.
  • DRB 2 one part is sent to the UE through the MeNB, and the other part is first sent to the SeNB through the X2 interface, and then sent by the SeNB to the UE.
  • the MeNB first sends a part of the data packet of the DRB2 to the SeNB in the form of a packet of a Packet Data Convergence Protocol ("PDCP") protocol data unit ("PDU"). Then, it is sent to the UE through the SeNB.
  • PDCP Packet Data Convergence Protocol
  • PDU Packet Data Convergence Protocol
  • the UE may send part of the PDCP data packet to the MeNB, and simultaneously transmit part of the PDCP data packet to the SeNB. Since the data of the above DRB 2 is split into two parts and transmitted through different eNBs, this DRB 2 is called a split bearer. For a split bearer data, the UE needs to perform transmission to the MeNB and the SeNB at the same time, and the current data transmission process cannot be simply reused.
  • the present invention provides a method, a user equipment, and a base station for splitting bearer uplink data transmission, which can flexibly determine how to perform uplink data transmission by splitting a bearer.
  • a first aspect provides a method for splitting uplink data transmission, where user equipment is respectively connected to a first base station and a second base station, and the method includes: determining a first preset threshold value and the split bearer At least one of the priority bit rate PBR configuration information; performing, according to at least one of the first preset threshold value and the PBR configuration information, a first logical channel priority LCP procedure corresponding to the first base station and/or A second LCP process corresponding to the second base station is performed.
  • the method further includes: determining, according to the PBR configuration information, an initial PBR of the split bearer; performing the first logical channel priority corresponding to the first base station Level LCP process, and performing a second LCP process corresponding to the second base station, including: determining a first PBR and a second PBR, the sum of the first PBR and the second PBR being greater than or equal to the initial PBR; a first PBR, the first media access control MAC entity of the cell group associated with the first base station performs the first LCP process; and according to the second PBR, the second MAC of the cell group associated with the second base station The entity performs the second LCP process.
  • the second LCP process includes: performing, according to the initial PBR, the first LCP process at a first MAC entity of a cell group associated with the first base station; or according to the initial PBR, a cell associated with the second base station
  • the second MAC entity of the group performs the second LCP process.
  • the method further includes: receiving indication information sent by the first base station; determining, according to the indication information, performing, corresponding to the first base station The first LCP process or the second LCP process corresponding to the second base station is performed.
  • the determining the first PBR and the second PBR includes: determining a first ratio; and according to the product of the initial PBR and the first ratio Determining the first PBR; determining the second PBR according to a difference between the initial PBR and the first PBR; or determining a second ratio; determining the second PBR according to a product of the initial PBR and the second ratio; Determining the first PBR by the difference between the PBR and the second PBR; or determining the first ratio and the second ratio; determining the first PBR according to a product of the initial PBR and the first ratio; according to the initial PBR and the second The product of the ratio determines the second PBR.
  • the PBR configuration information includes the first ratio and/or the second ratio.
  • the PBR configuration information includes the first PBR and/or the second PBR, and the determining the first PBR and the second PBR, including And determining, according to the PBR configuration information, the first PBR and the second PBR.
  • the performing, according to the at least one of the first preset threshold value and the PBR configuration information, is performed corresponding to the first base station
  • the first logical channel priority LCP process, and/or the second LCP process corresponding to the second base station includes: when the data volume of the uplink data of the split bearer is greater than or equal to the first preset threshold And performing, by the first LCP process corresponding to the first base station, and performing the second LCP process corresponding to the second base station.
  • the performing, according to the at least one of the first preset threshold value and the PBR configuration information, is performed corresponding to the first base station
  • the first logical channel priority LCP process, and/or the second LCP process corresponding to the second base station includes: when the data volume of the uplink data of the split bearer is less than the first preset threshold, Performing the first LCP process corresponding to the first base station or performing the second LCP process corresponding to the second base station.
  • the performing according to the first preset threshold value and the PBR configuration information, performing, corresponding to the first base station a first logical channel priority LCP procedure, and/or performing a second LCP procedure corresponding to the second base station, including: prior to transmitting a buffer status report to the first base station and/or the second base station, according to the first At least one of a preset threshold and the PBR configuration information, performing a first LCP procedure corresponding to the first base station, and/or performing the second LCP procedure corresponding to the second base station.
  • the performing, according to the first preset threshold value and the PBR configuration information, performing, corresponding to the first base station a first logical channel priority LCP procedure, and/or performing a second LCP procedure corresponding to the second base station including: triggering the user when the split bearer is added or when initial split data of the split bearer arrives
  • the device sends a buffer status report to the first base station and/or the second base station; after the user equipment sends a buffer status report to the first base station and/or to the second base station, according to the first preset threshold value and At least one of the PBR configuration information is executed with the first The first logical channel priority LCP procedure corresponding to the base station, and/or the second LCP procedure corresponding to the second base station.
  • the performing including: delaying transmitting when the split bearer is added or when initial split data of the split bearer arrives The uplink data of the split bearer is delayed or the initial uplink data of the split bearer is delayed until the user equipment sends the buffer to the first base station and/or the second base station sends a buffer status report.
  • the method further includes: when the data volume of the uplink data of the split bearer is greater than or equal to a second preset threshold, The first base station sends a first buffer status report, and sends a second cache status report to the second base station, where the first cache status report and the second cache status report both include total data of uplink data of the split bearer.
  • the quantity, or the first buffer status report includes the first data quantity sent to the first base station in the uplink data of the split bearer
  • the second buffer status report includes the uplink data of the split bearer sent to the second base station
  • the second data volume is sent to the first base station, or the second cache is sent to the second base station, when the data volume of the uplink data carried by the splitting is smaller than the second preset threshold.
  • the status report, the first cache status report and the second cache status report both include the total amount of data.
  • the method further includes: determining a product of the first ratio and the total data amount as the first data amount; The difference between the amount of data and the first amount of data is determined as the second amount of data; or the product of the second ratio and the total amount of data is determined as the second amount of data; the total amount of data and the second data The difference of the quantity is determined as the first amount of data; or the product of the first ratio and the total amount of data is determined as the first amount of data; the product of the second ratio and the total amount of data is determined as the second The amount of data.
  • the method further includes: determining, according to a ratio of the ratio of the first PBR to the initial PBR, the total data amount, a data amount; determining a difference between the total data amount and the first data amount as the second data amount; or determining, according to a ratio of the ratio of the second PBR to the initial PBR, the total data amount a data amount; determining a difference between the total data amount and the second data amount as the first data amount; or determining, according to a ratio of the first PBR to the initial PBR, a product of the total data amount a data amount; determining the second data amount according to a ratio of the ratio of the second PBR to the initial PBR and the total data amount.
  • the first buffer status report is sent to the first base station, and after the second cache status report is sent to the second base station, Before transmitting the first buffer status report to the first base station and/or sending the second buffer status report to the second base station, the method includes: performing the first LCP process corresponding to the first base station, and executing Performing the second LCP process corresponding to the second base station; or performing the first corresponding to the first base station when the data volume of the uplink data of the split bearer is greater than or equal to the first preset threshold value An LCP process, and performing the second LCP process corresponding to the second base station.
  • the first buffer status report is sent to the first base station, and after the second cache status report is sent to the second base station, Before sending the first buffer status report to the first base station and/or sending the second buffer status report to the second base station, the method includes: when the data amount of the uplink data of the split bearer is smaller than the first preset gate At the limit value, the first LCP process corresponding to the first base station is performed, or the second LCP process corresponding to the second base station is performed.
  • the method further includes: performing the first LCP process corresponding to the first base station, or Performing the second LCP process corresponding to the second base station; or performing the first LCP corresponding to the first base station when the data volume of the uplink data of the split bearer is less than the first preset threshold value The process, or performing the second LCP process corresponding to the second base station.
  • the method further includes: when the data volume of the uplink data of the split bearer is greater than or equal to the first When the threshold is preset, the first LCP process corresponding to the first base station is performed, and the second LCP process corresponding to the second base station is performed.
  • the first buffer status report is sent to the first base station for the first time, and/or the second cache is sent to the second base station.
  • the method further includes: performing, according to at least one of the first preset threshold value and the PBR configuration information, the first LCP process corresponding to the first base station, and/or performing the same The second LCP process corresponding to the two base stations.
  • the first buffer status report is sent to the first base station for the first time, and/or the second cache status report is sent to the second base station.
  • the method further includes: when the split bearer is added, or when the initial uplink data of the split bearer arrives, triggering the user equipment to send a first buffer status report to the first base station, and/or to the second base station Send a second cache status report.
  • the first buffer status report is sent to the first base station for the first time, and/or the second cache status report is sent to the second base station.
  • the method further includes: when the split bearer is added, or when the initial uplink data of the split bearer arrives, delay sending the uplink data of the split bearer until the user equipment sends the first cache status report to the first base station. And/or transmitting a second cache status report to the second base station.
  • the determining the at least one of the first preset threshold value and the priority bit rate PBR configuration information of the split bearer includes: receiving The configuration information sent by the first base station; determining, according to the configuration information, at least one of the first preset threshold value and the PBR configuration information.
  • a second aspect provides a method for splitting uplink data transmission of a bearer, where the user equipment is respectively connected to the first base station and the second base station, where the method includes: the first base station sends configuration information to the user equipment, where The configuration information includes at least one of a preset threshold value and a priority bit rate PBR configuration information of the split bearer, where the configuration information is used by the user equipment to determine to perform a first logical channel priority LCP process corresponding to the first base station. And/or performing a second LCP process corresponding to the second base station; receiving uplink data of all or part of the split bearer sent by the user equipment according to the configuration information.
  • the PBR configuration information is used to determine parameters required to perform the first LCP process, and/or to perform parameters required for the second LCP process.
  • the configuration information includes, by using the user equipment, the first logical channel priority LCP process corresponding to the first base station, And/or performing information of a second LCP process corresponding to the second base station.
  • the method further includes: receiving, by the first base station, a buffer status report sent by the user equipment, where the buffer status report includes data quantity information of uplink data of the split bearer sent to the first base station; and the data quantity according to the buffer status report Information, which allocates uplink transmission resources for the user equipment.
  • the method further includes: the first base station sends a split bearer request message to the second base station, where the split bearer request message includes the PBR Configuration information.
  • a third aspect provides a user equipment for splitting uplink data transmission of a bearer, where the user equipment is respectively connected to a first base station and a second base station, where the user equipment includes: a determining module, configured to determine a first preset And a processing module, configured to perform, according to at least one of the first preset threshold value and the PBR configuration information determined by the determining module, the threshold value and the PBR configuration information of the splitting bearer The first logical channel priority LCP procedure corresponding to the first base station and/or the second LCP procedure corresponding to the second base station.
  • the determining module is further configured to: determine, according to the PBR configuration information, an initial PBR of the split bearer; where the processing module is configured to perform with the first base station Corresponding first logical channel priority LCP process, and performing a second LCP process corresponding to the second base station, including: determining a first PBR and a second PBR, where a sum of the first PBR and the second PBR is greater than or Equal to the initial PBR; according to the first PBR, the first media access control MAC entity of the cell group associated with the first base station performs the first LCP process; and according to the second PBR, is associated with the second base station The second MAC entity of the cell group performs the second LCP process.
  • the processing module performs a first logical channel priority LCP process corresponding to the first base station, or performs the second
  • the second LCP process corresponding to the base station includes: performing, according to the initial PBR, the first LCP process at a first MAC entity of the cell group associated with the first base station; or according to the initial PBR, at the second base station
  • the second MAC entity of the associated cell group performs the second LCP procedure.
  • the user equipment further includes: a receiving module, configured to receive the indication information sent by the first base station; the determining module is specifically configured to: Determining, according to the indication information, performing the first LCP process corresponding to the first base station or performing the second LCP process corresponding to the second base station.
  • the determining processing module is specifically configured to: determine a first ratio; determine the first PBR according to a product of the initial PBR and the first ratio; determine the second PBR according to a difference between the initial PBR and the first PBR; or determine a second ratio; determining the second PBR according to a product of the initial PBR and the second ratio; determining the first PBR according to a difference between the initial PBR and the second PBR; or determining a first ratio and a second ratio; The product of the initial PBR and the first ratio determines the first PBR; the second PBR is determined based on the product of the initial PBR and the second ratio.
  • the PBR configuration information includes the first ratio and/or the second ratio.
  • the PBR configuration information includes the first PBR and/or the second PBR
  • the processing module is specifically configured to: configure according to the PBR Information determining the first PBR and the second PBR.
  • the processing module is specifically configured to: when the data volume of the uplink data of the split bearer is greater than or equal to the first preset threshold And performing, by the first LCP process corresponding to the first base station, and performing the second LCP process corresponding to the second base station.
  • the processing module is specifically configured to: when the data volume of the uplink data of the split bearer is smaller than the first preset gate At the limit value, the first LCP process corresponding to the first base station is performed, or the second LCP process corresponding to the second base station is performed.
  • the processing module is specifically configured to: before sending the buffer status report to the first base station and/or the second base station, according to the first And performing at least one of a preset threshold and the PBR configuration information, performing a first LCP procedure corresponding to the first base station, and/or performing the second LCP procedure corresponding to the second base station.
  • the processing module is specifically configured to: when the split bearer is added, or when initial split data of the split bearer arrives, trigger the The user equipment sends a buffer status report to the first base station and/or the second base station; after the user equipment sends a buffer status report to the first base station and/or to the second base station, according to the first preset threshold And performing, by the at least one of the PBR configuration information, a first logical channel priority LCP procedure corresponding to the first base station, and/or performing a second LCP procedure corresponding to the second base station.
  • the processing module is specifically configured to: when the split bearer is added, or when initial split data of the split bearer arrives, delay sending The increased uplink data of the split bearer or the initial uplink data of the split bearer is sent until the user equipment sends the buffer to the first base station and/or the second base station sends a buffer status report.
  • the user equipment further includes: a first sending module, configured to: when the data volume of the uplink data of the split bearer is greater than or equal to the second When the threshold is preset, the first cache status report is sent to the first base station, and the second cache status report is sent to the second base station, where the first cache status report and the second cache status report both include the The total amount of data of the split uplink data, or the first buffer status report includes the first data amount sent to the first base station in the uplink data of the split bearer, and the second buffer status report includes the uplink of the split bearer.
  • a first sending module configured to: when the data volume of the uplink data of the split bearer is greater than or equal to the second When the threshold is preset, the first cache status report is sent to the first base station, and the second cache status report is sent to the second base station, where the first cache status report and the second cache status report both include the The total amount of data of the split uplink data, or the first buffer status report includes the first data amount sent to the first base station in the
  • a second sending module configured to send, to the first base station, when the data volume of the uplink data of the split bearer is less than the second preset threshold a buffer status report, or sending a second cache status report to the second base station, the first cache status report and the second cache status report both including the total data amount.
  • the determining module is further configured to: determine, by the product of the first ratio and the total data amount, the first data amount; The difference between the total data amount and the first data amount is determined as the second data amount; or the product of the second ratio and the total data amount is determined as the second data amount; the total data amount and the first data amount Determining the difference between the two data amounts as the first data amount; or determining the product of the first ratio and the total data amount as the first data amount; determining the product of the second ratio and the total data amount as the The second amount of data.
  • the determining module is further configured to: determine, according to a ratio of the first PBR to the initial PBR, a product of the total data amount, The first data amount; determining a difference between the total data amount and the first data amount as the second data amount; or determining, according to a ratio of the second PBR to the initial PBR, a product of the total data amount The second data amount; determining a difference between the total data amount and the second data amount as the first data amount; or determining, according to a ratio of the first PBR to the initial PBR, a product of the total data amount
  • the first data amount is determined according to a ratio of the ratio of the second PBR to the initial PBR and the total data amount.
  • the processing module is specifically configured to: perform the first LCP process corresponding to the first base station, and perform the second LCP process corresponding to the second base station; or when the split bearer When the data amount of the uplink data is greater than or equal to the first preset threshold, the first LCP process corresponding to the first base station is performed, and the second LCP process corresponding to the second base station is performed.
  • the first buffer status report is sent to the first base station, and after the second cache status report is sent to the second base station,
  • the processing module is configured to: when the first buffering report is sent to the first base station, and/or to send the second buffer status report to the second base station, the processing module is configured to: when the data volume of the uplink data of the split bearer is smaller than the first When the threshold is preset, the first LCP process corresponding to the first base station is performed, or the second LCP process corresponding to the second base station is performed.
  • the processing module is specifically configured to: perform the first LCP process corresponding to the first base station, before sending the first buffer status report to the first base station, and/or sending the second buffer status report to the second base station Or performing the second LCP process corresponding to the second base station; or
  • the processing module is specifically configured to: when the data volume of the uplink data of the split bearer is greater than or equal to the The first preset threshold value is performed by the first LCP process corresponding to the first base station, and the second LCP process corresponding to the second base station is performed.
  • the first buffer status report is sent to the first base station for the first time, and/or the second cache status report is sent to the second base station.
  • the processing module is specifically configured to: perform the first LCP process corresponding to the first base station according to at least one of the first preset threshold value and the PBR configuration information, and/or Performing the second LCP process corresponding to the second base station.
  • the first buffer status report is sent to the first base station for the first time, and/or the second cache status report is sent to the second base station.
  • the processing module is configured to: when the split bearer is added, or when the initial uplink data of the split bearer arrives, trigger the user equipment to send a first cache status report to the first base station, and/or to the first The second base station sends a second buffer status report.
  • the first buffer status report is sent to the first base station for the first time, and/or the second cache status report is sent to the second base station.
  • the processing module is configured to: when the split bearer is added, or when the initial uplink data of the split bearer arrives, delay sending the uplink data of the split bearer until the user equipment sends the first cache to the first base station. Status reporting, and/or transmitting a second cache status report to the second base station.
  • the receiving module is specifically configured to: receive the configuration information sent by the first base station; the determining module is specifically configured to: according to the configuration information Determining at least one of the first preset threshold value and the PBR configuration information.
  • the fourth aspect provides a first base station for splitting the uplink data transmission of the bearer, where the user equipment is respectively connected to the first base station and the second base station, where the first base station includes: a sending module, configured to send to the user The device sends configuration information, where the configuration information includes at least one of a preset threshold and a priority bit rate PBR configuration information of the split bearer, where the configuration information is used by the user equipment to determine to perform the first corresponding to the first base station. a logical channel priority LCP process, and/or a second LCP process corresponding to the second base station; and a receiving module, configured to receive uplink data of all or part of the split bearer sent by the user equipment according to the configuration information.
  • the PBR configuration information is used to determine parameters required to perform the first LCP process, and/or perform parameters required for the second LCP process.
  • the configuration information includes, by using the user equipment, the first logical channel priority LCP process corresponding to the first base station, And/or performing information of a second LCP process corresponding to the second base station.
  • the receiving module is further configured to: receive a buffer status report sent by the user equipment, where the buffer status report includes sending to the first base station The data amount information of the uplink data carried by the splitting; the uplink transmission resource is allocated to the user equipment according to the data volume information in the buffer status report.
  • the sending module is further configured to: the first base station sends a split bearer request message to the second base station, where the split bearer request message includes The PBR configuration information.
  • the user equipment determines, according to at least one of the determined first preset threshold value and the PBR configuration information, The first LCP process corresponding to the first base station, and/or the second LCP process corresponding to the second base station, also sends the uplink data of the split bearer to the primary base station and/or the secondary base station, and may also be according to the second
  • the threshold value is determined to send a BSR to the first base station and/or the second base station, so that the base station allocates uplink resources, so that it can flexibly determine how to perform uplink data transmission by splitting the bearer.
  • FIG. 1 is a schematic diagram of a split bearer in accordance with an embodiment of the present invention.
  • FIG. 2 is a schematic flowchart of a method for splitting uplink data transmission of a bearer according to an embodiment of the present invention.
  • FIG. 3 is another schematic flowchart of a method for splitting uplink data transmission of a bearer according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a short BSR in accordance with an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a long BSR according to an embodiment of the present invention.
  • FIG. 6 is a schematic flowchart of a method for splitting uplink data transmission of a bearer according to another embodiment of the present invention.
  • FIG. 7 is a schematic flowchart of a method for splitting uplink data transmission of a bearer according to still another embodiment of the present invention.
  • FIG. 8 is a schematic block diagram of a user equipment for splitting uplink data transmission of a bearer according to an embodiment of the present invention.
  • FIG. 9 is another schematic block diagram of a user equipment for splitting uplink data transmission of a bearer according to an embodiment of the present invention.
  • FIG. 10 is a schematic block diagram of a first base station for splitting uplink data transmission of a bearer according to an embodiment of the present invention.
  • FIG. 11 is another schematic block diagram of a user equipment for splitting uplink data transmission of a bearer according to another embodiment of the present invention.
  • FIG. 12 is another schematic block diagram of a first base station for splitting uplink data transmission of a bearer according to another embodiment of the present invention.
  • one UE is configured with two cell groups (Cell group, referred to as "CG"), or a group of CC groups: one is a master cell group (MCG). The other is a Secondary Cell Group (“SCG").
  • Cell group referred to as "CG”
  • MCG master cell group
  • SCG Secondary Cell Group
  • the MCG is a cell group associated with the MeNB, and is composed of a primary cell (PCell) and zero or more secondary cells (SCells).
  • PCell primary cell
  • SCells secondary cells
  • the SCG is a cell group associated with the SeNB, and is composed of a primary secondary cell (PSCell) and zero or more secondary cells (SCells).
  • PSCell primary secondary cell
  • SCells secondary cells
  • the PCell is a cell that establishes a Radio Resource Control (RRC) connection, and the primary cell provides security related parameters and is configured with a Physical Uplink Control Channel (PUCCH).
  • RRC Radio Resource Control
  • PUCCH Physical Uplink Control Channel
  • the PSCell refers to a secondary cell in which a PUCCH resource is configured in a secondary cell group. Except for PCell and PSCell, the SCells in the MCG and SCG are not configured with PUCCH resources.
  • the PUCCH channel is mainly used for transmitting information such as hybrid automatic repeat request acknowledgement information (HARQ-ACK), channel state information (CSI), and scheduling request (SR).
  • HARQ-ACK hybrid automatic repeat request acknowledgement information
  • CSI channel state information
  • SR scheduling request
  • a plurality of services may exist at the same time, or multiple DRBs need to be transmitted, and the UE needs to allocate uplink resources according to the base station in the Medium Access Control (MAC) layer.
  • MAC Medium Access Control
  • the data of multiple DRBs is multiplexed and transmitted.
  • each DRB corresponds to one logical channel and configures a logical channel priority.
  • a process of multiplexing and transmitting data of a plurality of DRBs is referred to as a Logical Channel Prioritization (LCP) process.
  • LCP Logical Channel Prioritization
  • the RRC layer controls the MAC scheduling by controlling the following parameters: logical channel priority, priority bit rate (PBR), and duration. Bulk Size Duration (BSD).
  • PBR priority bit rate
  • BSD Bulk Size Duration
  • the UE shall maintain a state variable Bj.
  • Bj should be initialized to 0, and then each transmission time interval (TTI) is increased by PBR, that is, based on PBR*TTI, that is, each TTI is added with one PBR.
  • PBR is the PBR corresponding to logical channel j.
  • the value of Bj can never exceed the size of the token bucket, and the size of one token bucket is PBR*BSD.
  • the value of Bj should be set to PBR*BSD.
  • the PBR can be set to infinity.
  • the service can be guaranteed in the case of resource shortage, and other services are not served.
  • the embodiment of the present invention is directed to a split bearer.
  • the split bearer may be used for uplink data transmission only by one eNB.
  • uplink data needs to be simultaneously performed by two eNBs.
  • Transmission When the split bearer transmits data only through one eNB, the LCP process in the prior art can be completely reused, and the guaranteed transmission rate PBR of the DRB is also guaranteed by one eNB.
  • the split bearer When the split bearer performs uplink transmission through two eNBs, the split bearer needs to configure independent logical channels in the two eNBs, one logical channel for the MeNB and one logical channel for the SeNB.
  • the PBR of the split bearer is guaranteed by the joint of two eNBs, that is, the existing LCP process cannot be simply reused.
  • FIG. 2 shows a schematic flowchart of a method 100 for uplink data transmission, which may be performed by a user equipment UE, according to an embodiment of the present invention.
  • the method 100 includes:
  • S120 Perform according to at least one of the first preset threshold value and the PBR configuration information.
  • the user equipment UE determines at least one of the first preset threshold and the PBR configuration information, where the first preset threshold and the PBR configuration information may be pre-configured in the UE, or Receiving configuration information sent by the first base station, that is, the primary base station MeNB, the configuration information may include at least one of the first preset threshold value and the PBR configuration information.
  • the UE determines, according to the determined first preset threshold, that when the data volume of the uplink data of the split bearer is greater than or equal to the first preset threshold, the UE performs the first LCP corresponding to the first base station.
  • the UE selects to perform the first corresponding to the first base station The LCP process, or a second LCP process corresponding to the second base station.
  • the first LCP process corresponding to the first base station may be performed according to the first base station transmitting the PBR configuration information, and/or the second LCP process corresponding to the second base station may be performed, and the uplink data of the split bearer may be pressed. The ratio is allocated, and the uplink data of the split bearer is sent to the first base station and/or the second base station, respectively.
  • the user equipment determines to perform the first LCP process corresponding to the first base station according to at least one of the determined preset threshold value and the PBR configuration information. And performing a second LCP process corresponding to the second base station, and also transmitting the uplink data of the split bearer to the primary base station and/or the secondary base station, so as to be able to flexibly determine how to perform uplink data transmission by splitting the bearer.
  • the user equipment UE determines at least one of a first preset threshold value and PBR configuration information, where the PBR configuration information may include a first LCP procedure for instructing the UE to perform corresponding to the first base station, and executing
  • the information of the second LCP process corresponding to the second base station may also include configuration information of parameters required in performing the LCP process.
  • the first base station may be a MeNB
  • the second base station may be a SeNB.
  • the first preset threshold value and the PBR configuration information may be preset in the UE, or the UE may determine the first preset threshold value by receiving the information sent by the first base station. PBR configuration information.
  • the PBR configuration information may include a certain preset rule.
  • the UE may determine to perform the first LCP process and/or perform the second LCP process, or may be used in performing the LCP process.
  • the parameter may also determine how the uplink data of the split bearer transmitted to the first base station and the second base station is allocated, and the present invention is not limited thereto.
  • the first A predetermined threshold may be used by the user equipment to determine to perform the first LCP process and/or to perform the second LCP process.
  • the UE may determine at least one of the first preset threshold and the PBR configuration information by receiving the configuration information sent by the first base station.
  • the user equipment establishes an RRC connection with the first base station and the second base station
  • the first base station may send configuration information to the UE, according to the configuration information, the UE establishes an RRC connection with the first base station and the second, that is,
  • the configuration information includes configuration information required when the UE establishes an RRC connection with the first base station and the second base station.
  • the configuration information may further include at least one of a first preset threshold and a PBR configuration information, where the UE may determine, according to the configuration information sent by the first base station, a first preset threshold and At least one of the PBR configuration information.
  • the PBR configuration information determined by the UE may include a PBR configuration method, and according to the PBR configuration information, the UE may determine the data amount of data sent to the first base station and the second base station.
  • the PBR configuration information may include a ratio information, that is, a first ratio, and the UE allocates the first PBR and the second PBR according to the first ratio, and further may determine that the uplink data of the split bearer is respectively sent to the first base station and the first The amount of data sent by the two base stations.
  • the PBR configuration information includes a first ratio X, and then the UE may calculate a first PBR for the first base station MeNB by using “X* initial PBR”, denoted as PBR_MeNB.
  • the PBR configuration information may also include a second ratio Y, and then the UE calculates the second PBR for the second base station SeNB by using the “Y* initial PBR”, which is recorded as the PBR_SeNB, where the initial PBR is the uplink data of the UE split bearer.
  • the initial PBR may also be included in the PBR configuration information.
  • the second difference may be determined by using a difference between the initial PBR and the first PBR.
  • the PBR configuration information may also include a second ratio, and the first PBR may be determined by a difference between the initial PBR and the second PBR.
  • the PBR configuration information includes a PBR configuration method, and may further include a PBR_MeNB and/or a PBR_SeNB, where the PBR_MeNB indicates that, in the first LCP process, the first PBR for the first base station MeNB, the PBR_SeNB indicates that In the second LCP process, for the second PBR of the second base station SeNB, and satisfying PBR_MeNB+PBR_SeNB ⁇ initial PBR, the initial PBR is the initial PBR of the uplink data of the split bearer.
  • the PBR configuration information may also include an initial PBR.
  • the user equipment UE determines, according to at least one of the first preset threshold value and the PBR configuration information, that the first LCP process corresponding to the first base station is performed, and/or the second corresponding to the second base station is performed.
  • the two LCP processes and correspondingly, send uplink data of the split bearer to the first base station and/or the second base station.
  • the UE may determine to perform a first LCP process corresponding to the first base station according to the preset threshold value, and/or perform a second LCP process corresponding to the second base station; the UE may also determine according to the indication information.
  • a first LCP procedure corresponding to the first base station is performed, and a second LCP procedure corresponding to the second base station is performed.
  • the UE may first determine the initial PBR of the uplink data of the split bearer, and the initial PBR can ensure that when the uplink data of the split bearer is transmitted only through the uplink resource allocated by one eNB, it is required in performing the LCP process.
  • the initial PBR may be included in the PBR configuration information, and the PBR is determined according to the PBR configuration information, and the present invention is not limited thereto.
  • the UE performs a first LCP process corresponding to the first base station, and performs a second LCP process corresponding to the second base station, including: determining, according to the PBR configuration information, the first PBR and the second, respectively.
  • the sum of the first PBR and the second PBR is greater than or equal to the initial PBR; and the MAC entity layer of the cell group (MCG) associated with the first base station, that is, the MeNB, performs the first LCP process according to the first PBR; And, in the MAC entity layer of the cell group (SCG) associated with the second base station SeNB, performing a two LCP process according to the second PBR, that is, performing the first LCP process and the second LCP process simultaneously according to the allocated different PBRs .
  • the UE performs a first LCP procedure corresponding to the first base station, or performs a second LCP procedure corresponding to the second base station, including: in a cell group (MCG) associated with the first base station MeNB
  • MCG cell group
  • the MAC entity layer performs a first LCP procedure according to the initial PBR, or is a MAC entity layer of a cell group (SCG) associated with the second base station SeNB, and performs a two LCP procedure according to the initial PBR. That is, according to the initial PBR, the first LCP process or the second LCP process is selected to be performed.
  • the UE may determine to perform a first LCP process corresponding to the first base station according to the first preset threshold, and/or perform a second LCP process corresponding to the second base station.
  • the UE performs the first LCP process according to the first PBR, and performs the second LCP process according to the second PBR, that is, the split bearer.
  • the uplink data is jointly transmitted to the first base station and the second base station. For example, the UE may allocate the uplink data of the split bearer, the amount of data sent to the first base station, and the data sent to the second base station.
  • the UE determines to perform a first LCP process corresponding to the first base station, or performs a second corresponding to the second base station.
  • the LCP process that is, the uplink data of the split bearer is sent to one of the first base station and the second base station.
  • the UE may select a base station according to a preset rule. For example, after the UE determines that the uplink data of the split bearer is smaller than the first preset threshold, and determines the first base station, the first LCP process is performed according to the initial PBR.
  • the uplink data of the split bearer is sent to the first base station; or the second base station is determined by the UE, and the second LCP process is performed according to the initial PBR, and the uplink data of the split bearer is sent to the second base station.
  • the UE selects a base station according to a preset rule, where the preset rule may be preset in the UE, or may determine the first base station or the second base station according to the indication information carried in the configuration information sent by the first base station.
  • the UE may determine the time at the beginning of a time period with a certain period of time, determine to perform the first LCP process and the second LCP process, and transmit a part of the split to the first base station and the second base station. Carrying the uplink data; or determining to perform the first LCP process or performing the second LCP process, correspondingly transmitting the uplink data of the split bearer to one of the first base station and the second base station, and in the time period, according to the same Ways to transfer data.
  • the length of the time period may be determined according to actual conditions, and the present invention is not limited thereto.
  • the UE when the UE sends the uplink data of the split bearer to the first base station and the second base station, the UE may determine, according to the initial PBR of the uplink data of the split bearer, that the MAC entity of the MCG uses the PBR_MeNB and the SCG, respectively.
  • the MAC entity performs the LCP process by using the PBR_SeNB, and then allocates the uplink data of the split bearer to determine the amount of data sent to the first base station and the amount of data sent to the second base station.
  • the UE may perform the LCP process using the initial PBR according to the initial PBR of the uplink data of the split bearer, or in the SCG.
  • the MAC entity performs the LCP process by using the initial PBR, and correspondingly transmits the uplink data of the split bearer to the determined first base station or the second base station, that is, the initial use of the MAC entity in the MCG.
  • the uplink data of the split bearer is transmitted to the first base station MeNB, and when the MAC entity of the SCG uses the initial PBR to perform the LCP, the uplink data of the split bearer is transmitted to the second base station SeNB.
  • the user equipment determines to perform the first LCP process corresponding to the first base station according to at least one of the determined threshold value and the PBR configuration information, and And performing a second LCP process corresponding to the second base station, and also transmitting the uplink data of the split bearer to the primary base station and/or the secondary base station, so as to be able to flexibly determine how to perform uplink data transmission by splitting the bearer.
  • the method 100 further includes:
  • the UE may determine to perform the execution with the first base station by using S110 and S120 in the foregoing method 100. And corresponding to the first LCP process, and/or performing the second LCP process corresponding to the second base station, and determining to send the uplink data of the split bearer to the first base station and/or the second base station.
  • the UE may be triggered to send the BSR to the base station, so that the base station may configure the uplink resource; or the UE may delay sending the uplink data of the new split bearer until the UE is triggered.
  • the uplink data of the split bearer is sent to the base station.
  • the UE determines to send the BSR to the first base station and/or the second base station according to the second preset threshold.
  • the UE in order to assist the network side to schedule the uplink resource for the UE, the UE needs to send the BSR to the eNB.
  • the eNB After receiving the BSR, the eNB can obtain the uplink data quantity that the UE needs to send, so that the eNB can report the BSR according to the UE. Determine how many uplink transmission resources are scheduled.
  • the eNB may allocate it to a logical channel group ("LCG"), and the purpose of introducing the LCG is mainly to reduce signaling overhead. Because, if a BSR is reported for each logical channel, a large amount of signaling overhead is incurred.
  • LCG logical channel group
  • the BSR is reported by the BSR MAC Control Element of the MAC layer, and the BSR may include a short BSR (Short BSR) and a Long BSR (Long BSR) format.
  • the short BSR is divided into a short BSR and a truncated BSR.
  • the Short BSR or Truncated BSR format can only report the BSR of one LCG.
  • the format consists of an LCG ID field and a corresponding Buffer Size field.
  • the Long BSR format contains four Buffer Size fields, corresponding to LCG IDs 0 to 3. This format will report the Buffer Size of all LCGs to the eNodeB.
  • the LCG ID field is generally 2 bits long and is used to indicate the LCG corresponding to the reported BSR, and the value corresponds to the Logical Channel Group field of the IE:Logical Channel Config.
  • the Buffer Size field is 6 bits long and is used to indicate that the radio link control (Radio Link Control, "RLC") layer and PDCP of all logical channels of the corresponding LCG are generated after the UE generates all the MAC PDUs in the TTI of the BSR. The sum of the remaining valid data in the layer that can be used for transmission. The amount of data can be in bytes, but the RLC header and MAC header information are not counted.
  • RLC Radio Link Control
  • the RRC generally controls the reporting of the BSR by configuring two timers, that is, a periodic BSR timer (a periodic BSR-Timer) and a BSR retransmission timer (retxBSR-Timer).
  • a periodic BSR timer a periodic BSR-Timer
  • retxBSR-Timer a BSR retransmission timer
  • the conditions for triggering the UE to send the BSR may include the following.
  • the first is that when the BSR is empty and new data arrives, the UE can be triggered to send a BSR.
  • the UE may be triggered to send the BSR.
  • the UE sends the BSR for the first time.
  • This BSR can be called "Regular BSR".
  • the second trigger condition may be data arrival of the high priority logical channel.
  • the UE may be triggered.
  • the BSR is sent, which can also be called "Regular BSR".
  • the third triggering condition may be that the UE is triggered to send the BSR according to the retransmission timeout timer.
  • a mechanism for retransmitting the BSR is provided in the LTE, and the UE does not receive the BSR after receiving the BSR.
  • the UE may also trigger the UE to send a BSR.
  • the fourth trigger condition may be that the BSR is periodically sent.
  • the UE updates the BSR to the base station according to a certain period. For example, when the data arrives at the UE and the UE sends the BSR, the time when the UE receives the uplink transmission resource (UL grant) is not synchronized, that is, When the UE sends the BSR and receives the UL grant, the BSR is also filled with data. Therefore, the UE needs to periodically update the uplink data of the split bearer, and the BSR needs to be periodically reported. This BSR can be called "Periodic BSR".
  • the fifth trigger condition may be a padding trigger.
  • the BSR can be used to send the BSR.
  • the BSR is called “Padding BSR”. ".
  • the foregoing five conditions for triggering the UE to send the BSR may be set to one or more of them.
  • the one may be set to satisfy one of the conditions, or may be set to satisfy multiple.
  • the trigger can be triggered, and the invention is not limited thereto.
  • the UE when the UE is triggered to send the BSR, the UE may determine, by determining the size relationship between the data volume of the uplink data of the split bearer and the second preset threshold, to the first base station and the second base station.
  • a base station sends a BSR or sends a BSR to both base stations.
  • the UE when the data volume of the uplink data of the split bearer is greater than or equal to the second preset threshold, the UE sends the BSR of the uplink data of the split bearer to the first base station and the second The base station sends the BSR to the base station of the first base station and the second base station when the data volume of the uplink data of the second split bearer is smaller than the second preset threshold.
  • the UE when the data volume of the uplink data of the split bearer is greater than or equal to the second preset threshold, the UE sends the first BSR to the first base station, and also sends the second BSR to the second base station, where the first The BSR may include the total amount of data of the uplink data of the split bearer, and the second BSR also includes the total data volume of the uplink data, or the first BSR includes the first data amount in the uplink data of the split bearer, and the second BSR includes The second amount of data in the uplink data carried by the split.
  • the UE selects one base station to send a BSR, that is, the UE may send the first BSR to the first base station, or send the second BSR to the second base station, when the data volume of the uplink data of the splitting is smaller than the second preset threshold.
  • the first BSR includes the total data amount of the uplink data of the split bearer
  • the second BSR includes the uplink data of the split bearer. The total amount of data.
  • the UE when the data volume of the uplink data of the split bearer is greater than or equal to the second preset threshold, the UE sends the first BSR to the first base station, and also sends the second BSR to the second base station.
  • the first BSR may include the total amount of data of the uplink data of the split bearer
  • the second BSR also includes the total data volume of the uplink data, or the first BSR includes the first data amount in the uplink data of the split bearer.
  • the second BSR includes a second amount of data in the uplink data of the split bearer.
  • M represents the total amount of data of the uplink data of the split bearer, and the total data volume may be the total data volume of the uplink data of the PDCP layer, or may be the total data volume of the uplink data of other layers, and the present invention is not limited to this.
  • the UE when the data volume of the uplink data of the split bearer is less than the second preset threshold, the UE sends a first BSR to the first base station, or the second base station sends a second BSR, where The second BSR includes the total amount of data of the uplink data of the split bearer.
  • the total amount of data may be the total data volume of the uplink data of the PDCP layer, or may be the total data volume of the uplink data of other layers, and the present invention is not limited thereto.
  • the UE when the data volume of the uplink data of the split bearer is greater than or equal to the second preset threshold, the UE sends the first BSR to the first base station, and sends the second base station to the second base station. BSR. After the BSR is sent, before the UE retransmits the BSR to the first base station and/or the second base station, the UE may determine the first PBR and the second PBR according to the initial PBR in each TTI, according to the first PBR in the MCG.
  • the MAC entity layer performs the first LCP process, and performs a second LCP process at the SCG MAC entity layer according to the second PBR, that is, the uplink data of the split bearer is respectively transmitted to the first base station and the second base station.
  • the UE when the data volume of the uplink data of the split bearer is greater than or equal to the second preset threshold, the UE sends the first BSR to the first base station, and sends the second base station to the second base station. BSR. After the BSR is sent, before the UE sends the BSR again to the first base station and/or the second base station, the UE may determine to perform the first LCP process and/or perform according to the first preset threshold value in each TTI. The second LCP process. Specifically, when the amount of data of the uplink data of the split bearer is greater than or equal to the first preset threshold in any TTI, the first step is determined according to the initial PBR.
  • the PBR and the second PBR perform a first LCP process at the MCG MAC entity layer according to the first PBR, and perform a second LCP process at the SCG MAC entity layer according to the second PBR, that is, the uplink data of the split bearer is respectively sent to the first base station and the first Two base station transmissions.
  • the first LCP process is performed at the MCG MAC entity layer according to the initial PBR, that is, the uplink data of the split bearer is transmitted to the first base station.
  • performing the second LCP process at the SCG MAC entity layer according to the initial PBR that is, transmitting the uplink data of the split bearer to the second base station.
  • the UE when the data volume of the uplink data of the split bearer is smaller than the second preset threshold, the UE sends the first BSR to the first base station, or sends the second BSR to the second base station.
  • the UE may send the uplink data of the split bearer to the base station that sends the BSR in each TTI. Specifically, the UE may determine to send a BSR to the first base station or the second base station according to a certain rule.
  • the first LCP process is performed at the MCG MAC entity layer according to the initial PBS, that is, the first A base station transmits uplink data of a split bearer.
  • the UE determines to send the BSR to the second base station, and then performs the second LCP process at the SCG MAC entity layer according to the initial PBS, that is, transmits the uplink data of the split bearer to the second base station.
  • the UE when the data volume of the uplink data of the split bearer is smaller than the second preset threshold, the UE sends the first BSR to the first base station, or sends the second BSR to the second base station. After the BSR is sent, before the UE sends the BSR again to the first base station and/or the second base station, the UE may determine to perform the first LCP process and/or perform according to the first preset threshold value in each TTI.
  • the second LCP process when the data volume of the uplink data of the split bearer is greater than or equal to the first preset threshold in any TTI, the first PBR and the second PBR are determined according to the initial PBR, and the MCG MAC entity is configured according to the first PBR.
  • the layer performs a first LCP process, and performs a second LCP process at the SCG MAC entity layer according to the second PBR, that is, the uplink data of the split bearer is respectively transmitted to the first base station and the second base station.
  • the first LCP process is performed at the MCG MAC entity layer according to the initial PBR, that is, the uplink data of the split bearer is transmitted to the first base station.
  • performing the second LCP process at the SCG MAC entity layer according to the initial PBR that is, transmitting the uplink data of the split bearer to the second base station.
  • the first preset threshold may be equal to or different from the second preset threshold, and the present invention is not limited thereto.
  • B corresponding to A means that B is associated with A, and B can be determined according to A.
  • determining B from A does not mean that B is only determined based on A, and that B can also be determined based on A and/or other information.
  • the user equipment determines to perform the first corresponding to the first base station according to at least one of the determined first preset threshold value and the PBR configuration information.
  • the LCP process, and/or the second LCP process corresponding to the second base station also sends the uplink data of the split bearer to the primary base station and/or the secondary base station, and may also determine to the first according to the pre-second set threshold value.
  • the base station and/or the second base station send a BSR, so that the base station allocates uplink resources, so that it can flexibly determine how to perform uplink data transmission by splitting the bearer.
  • a method for uplink data transmission is described in detail from the perspective of a user equipment, and another embodiment according to the present invention will be described from the perspective of the first base station with reference to FIG. An example of a method for uplink data transmission.
  • FIG. 6 shows a schematic flow chart of a method for uplink data transmission according to another embodiment of the present invention.
  • the method 200 may be performed by a first base station, where the first base station may be an MeNB, and the UE is connected to the MeNB, and is also connected to the second base station SeNB.
  • the method 200 includes:
  • the first base station sends configuration information to the user equipment, where the configuration information includes at least one of a preset threshold value and a priority bit rate PBR configuration information of the split bearer, where the configuration information is used by the user equipment to determine execution and a first logical channel priority LCP process corresponding to the first base station, and/or a second LCP process corresponding to the second base station;
  • S220 Receive uplink data of all or part of the split bearer sent by the user equipment according to the configuration information.
  • the user equipment determines to perform the first corresponding to the first base station according to at least one of the preset threshold value and the PBR information sent by the first base station.
  • the LCP process, and/or the second LCP process corresponding to the second base station also sends the uplink data of the split bearer to the primary base station and/or the secondary base station, so as to be able to flexibly determine how to perform uplink data transmission by splitting the bearer. .
  • the first base station sends configuration information to the user equipment, where the configuration information can be used. Instructing the user equipment to establish an RRC connection with the first base station and the second base station, respectively.
  • the configuration information may further include at least one of a preset threshold value and PBR configuration information, where the PBR configuration information may include a first LCP process for instructing the user equipment to perform corresponding to the first base station, and
  • the information of the second LCP process corresponding to the second base station may also include information indicating the amount of data sent by the user equipment to the first base station and the amount of data sent to the second base station.
  • the first base station may be an MeNB
  • the second base station may be an SeNB.
  • the first base station MeNB may send an SeNB addition request message or a SeNB modification request message to the second base station SeNB, where the SeNB addition or modification request message includes the MeNB determined by the MeNB.
  • the SeNB addition or modification request message may further include PBR configuration information, where the PBR configuration information may include information of an initial PBR configured for splitting the bearer and a split PBR.
  • the initial PBR represents a PBR that guarantees that the QoS of the split bearer needs to be guaranteed, that is, the split bearer performs LCP by using only uplink resources (UL grants) allocated by one eNB (MeNB or SeNB), and passes the eNB through the eNB. PBR to be used for uplink data transmission.
  • the split PBR information indicates that the split bearer performs uplink LCP (UL grants) allocated by two eNBs (MeNB and SeNB) to perform LCP, and needs to be used when uplink data transmission is performed by the MeNB and the SeNB. PBR.
  • the information of the split PBR may include a ratio information, so that when the SeNB receives the information of the split PBR, the split PBR of the SeNB is determined.
  • the MeNB indicates the second ratio X in the SeNB Add or Request message, and then the SeNB can calculate the split PBR for the SeNB by "X* Initial PBR", which is denoted as PBR_SeNB.
  • the MeNB may also send the ratio information to the UE, and the UE determines the PBR_SeNB according to the ratio information, and the MeNB may also send the first ratio Y to the UE, and the UE calculates the split PBR for the MeNB by using the “Y* initial PBR”. Make PBR_MeNB.
  • the MeNB may also indicate, in the SeNB Add or Modify Request message, the split PBR that the UE should use for the SeNB in the LCP process, that is, the PBR_SeNB. And further, in the SeNB Add or Modify Request message, the split PBR that the UE should use for the MeNB in the LCP process, that is, the PBR_MeNB, where PBR_SeNB+PBR_MeNB ⁇ initial PBR, may also be indicated.
  • the MeNB may also send the PBR_SeNB and the PBR_MeNB to the UE, so that the UE allocates the number of uplinks of the split bearer according to the information. according to.
  • the second base station may send a determination message of the request message to the first base station, where the determination message may include configuration information about the split bearer. So that the first base station sends the configuration information to the UE, and the UE establishes an RRC link according to the configuration information.
  • the first base station sends configuration information including at least one of a preset threshold value and PBR configuration information to the UE, where the PBR configuration information may include initial PBR and split PBR information, so that the UE receives the After the configuration information, determining at least one of the preset threshold and the PBR configuration information, and determining, according to at least one of the preset threshold and the PBR configuration information, performing the first LCP process corresponding to the first base station, And/or performing a second LCP procedure corresponding to the second base station, and also determining the amount of data of the uplink data of the split bearer transmitted to the first base station and/or the second base station.
  • the PBR configuration information may include initial PBR and split PBR information
  • the first base station receives all or part of the uplink data of the split bearer that is sent by the user equipment according to the configuration information. Specifically, when the UE determines to send the uplink data of the split bearer only to the first base station, the first base station receives the uplink data of all split bearers sent by the UE; when the UE determines to send only the uplink data of the split bearer to the second base station, The first base station does not receive data; when the UE determines to send the uplink data of the split bearer to the first base station and the second base station, the first base station receives a part of data in the uplink data of the split bearer, and the other part receives the uplink data in the split base station, and the other part is received by the second base station, The amount of data received can be determined by the UE, and the present invention is not limited thereto.
  • the first base station may further receive a buffer status report BSR that is sent by the UE according to the configuration information, and configure an uplink resource according to the BSR, so that the UE sends the uplink data.
  • the first base station may according to the received BSR. Determining, by the first data quantity, the uplink resource to the UE according to the first data quantity, so that the UE transmits the uplink data to the first base station by using the uplink resource.
  • B corresponding to A means that B is associated with A, and B can be determined according to A.
  • determining B from A does not mean that B is only determined based on A, and that B can also be determined based on A and/or other information.
  • the user equipment sends the uplink data of the split bearer to the primary base station and/or the secondary base station according to at least one of the determined threshold value and the indication information. Therefore, it is possible to flexibly determine how to perform uplink data transmission by splitting the bearer.
  • FIG. 7 shows a schematic flow chart of a method for uplink data transmission according to still another embodiment of the present invention. As shown in Figure 7:
  • the MeNB sends an SeNB Add Request message or a SeNB Modify Request message to the SeNB, and the SeNB Add or Modify Request message may include a split bearer newly added by the MeNB for the UE.
  • the SeNB addition or request message may further include PBR configuration information, where the PBR configuration information may be used to determine information of an initial PBR and a split PBR of the split bearer configuration.
  • the initial PBR is a PBR required to ensure the split bearer QoS, that is, the split bearer uses only one eNB to allocate uplink resources (UL grants) to perform an LCP process, and the uplink data transmission through the eNB is a required PBR.
  • the split PBR indicates that the split carries the PBR required by the UL grants allocated by the two eNBs (MeNB and SeNB) to perform the LCP process, and the PBR required for the uplink data transmission by the two eNBs, and the split PBR may include performing the first base station corresponding to the PBR.
  • the SeNB addition or request message may include a first ratio X, and the SeNB may calculate a second PBR for the SeNB by using “X* initial PBR”, denoted as PBR_SeNB.
  • the MeNB may also send the ratio information to the UE, where the UE determines the PBR_SeNB according to the ratio information, and the MeNB may further send a second ratio Y to the UE, and the UE calculates the first PBR for the MeNB by using the “Y* initial PBR” calculation. , denoted as PBR_MeNB, where X+Y ⁇ 1.
  • the SeNB addition or request message may further include a second PBR for the SeNB, which is referred to as a PBR_SeNB.
  • the SeNB addition or request message may further include The first PBR for the MeNB is denoted as PBR_MeNB, where PBR_SeNB+PBR_MeNB ⁇ initial PBR.
  • the SeNB after receiving the SeNB addition or modification request message sent by the MeNB, the SeNB sends an acknowledgement message of the SeNB addition or modification request to the MeNB.
  • the acknowledgment message of the SeNB adding or modifying the request includes the configuration information of the split bearer, so that the user equipment can establish a connection with the SeNB according to the configuration information.
  • the MeNB sends an RRC connection message to the UE, where the RRC connection message may include configuration information of the split bearer that needs to be added by the UE, and the configuration information of the split bearer includes information of an initial PBR and a split PBR, where the initial PBR and the split PBR are included.
  • the information is the same as S301.
  • the RRC connection message may further include indication information, where the indication information may be used to indicate that the UE performs the first LCP process according to the initial PBR in the MCG MAC entity corresponding to the MeNB, and may also be used to indicate that the UE corresponds to the initial PBR in the SeNB.
  • the SCG MAC entity performs a second LCP procedure; and is further configured to instruct the UE to perform a first LCP procedure according to the first PBR in the MCG MAC entity corresponding to the MeNB, and perform a second LCP procedure on the SCG MAC entity corresponding to the SeNB according to the second PBR.
  • the present invention is not limited to this.
  • the RRC connection message may further include a first preset threshold value and PBR configuration information in S301, and the UE may determine the initial PBR, the first PBR, and the second PBR according to the configuration information.
  • the UE When the data volume of the uplink data of the split bearer is greater than or equal to the first preset threshold, the UE performs a first LCP process according to the first PBR and a second LCP process according to the second PBR.
  • the UE may perform the first LCP process according to the initial PBR, or perform the second LCP process according to the initial PBR, and the UE may send according to the first base station.
  • the configuration information selection performs one of the first LCP process and the second LCP process.
  • the UE determines to add a new split bearer.
  • the UE may determine how to perform the LCP process and how to transmit the BSR according to one of the following manners. Split the uplink data carried.
  • the UE may perform S307 and S306 before the BSR related to the split bearer has not been triggered or reported.
  • performing S307 includes: the UE performing the first LCP process in the MCG MAC entity related to the first base station according to the determined first PBR, And transmitting, to the first base station, part of the data in the uplink data of the split bearer.
  • Performing S306 includes: performing a second LCP process in the SCG MAC entity associated with the second base station according to the second PBR, and transmitting, by the second base station, part of data in the uplink data of the split bearer.
  • the UE may select to perform one of S307 and S306 before the BSR related to the split bearer has not been triggered or reported. Specifically, the UE performs an LCP process at the preset MAC entity layer according to the initial PBR, where the S307 is performed, that is, the preset MAC entity is an MCG MAC entity, and S306 is executed, that is, the preset MAC entity is an SCG MAC entity.
  • the SSR is selected to send the uplink data of the split bearer to the first base station
  • the SSR is selected to send the uplink data of the split bearer to the second base station.
  • the UE may determine to perform S307 and/or S306 according to the first preset threshold before the BSR related to the split bearer has not been triggered or reported. If the uplink data of the split bearer is greater than or equal to the first preset threshold, perform S307 and S306, where performing S307 includes the UE performing the first LCP in the MCG MAC entity associated with the first base station according to the determined first PBR.
  • performing S306 includes: performing a second LCP process in the SCG MAC entity related to the second base station according to the second PBR, and sending the second LCP process to the second base station
  • the split carries a portion of the data in the upstream data.
  • the uplink data of the splitting bearer is smaller than the first preset threshold, determining to perform S307 or S306, the UE performs an LCP process at the preset MAC entity layer according to the initial PBR, where the S307 is executed.
  • the entity is an MCG MAC entity, and S306 is executed, that is, the preset MAC entity is an SCG MAC entity.
  • the SSR is selected to send the uplink data of the split bearer to the first base station, and the SSR is selected to send the uplink data of the split bearer to the second base station.
  • the UE may trigger the UE to send a BSR related to the split bearer for reporting, and then may perform S308.
  • the BSR related to the split bearer is a BSR including the split bearer or a BSR including the LCG where the split bearer is located.
  • the UE may delay sending the data of the split bearer after the split bearer is added, and after the BSR reported by the split bearer is reported, perform S308.
  • the BSR related to the split bearer is a BSR including the split bearer or a BSR including the LCG where the split bearer is located.
  • the UE determines to send a BSR to the first base station and/or the second base station according to the preset second threshold value. Specifically, when the UE determines that the data volume (PDCR layer data amount) of the uplink data of the current split bearer is greater than or equal to the second preset threshold, the UE performs S309 and S310, that is, triggers the UE to the first base station and the second base station.
  • the BSR is sent, and the first BSR sent to the first base station and the second BSR sent to the second base station may be the same or different.
  • the UE When the UE determines that the data volume of the uplink data of the current split bearer is less than the second preset threshold, the UE performs S309 or S310, that is, triggers the UE to send a BSR to the first base station or the second base station, where the BSR includes the current split.
  • the first BSR sent to the first base station and the second BSR sent to the second base station may be the same. Both include the data amount M of the uplink data of the split bearer.
  • the first BSR sent to the first base station may be different from the second BSR sent to the second base station, where the first BSR includes the first data amount of the uplink data of the split bearer, where The second BSR includes a second data amount of the uplink data of the split bearer, and the sum of the first data amount and the second data amount is greater than or equal to the data amount M of the uplink data of the split bearer.
  • the first amount of data and the second amount of data can be determined in the following manner:
  • the BSR may be sent multiple times according to the trigger condition of the BSR, and the judgment condition for sending the BSR each time is S308.
  • the second BSR is transmitted to the second base station SeNB.
  • the first BSR is sent to the first base station MeNB.
  • S312 and S313 may be performed, to the first base station and the second base station.
  • performing S313 includes: performing, by the UE, the first LCP process in the MCG MAC entity related to the first base station according to the determined first PBR, and sending, to the first base station, part of data in the uplink data of the split bearer.
  • Performing S312 includes: performing a second LCP process in the SCG MAC entity associated with the second base station according to the second PBR, and transmitting, by the second base station, part of data in the uplink data of the split bearer.
  • the S309 and S310 after performing the S309 and S310 according to the determination result of S308, before the next execution of S308, that is, before the UE sends the BSR next time, it may be determined according to the first preset threshold that execution S312 and S313. Specifically, when the uplink data of the split bearer is greater than or equal to the first preset threshold, perform S312 and S313, where performing S313 includes the UE performing, according to the determined first PBR, in the MCG MAC entity associated with the first base station.
  • performing S312 includes: performing a second LCP process in the SCG MAC entity related to the second base station according to the second PBR, and The second base station sends part of the data in the uplink data of the split bearer.
  • the UE after performing the S309 and S310 according to the determination result of S308, before the next execution of S308, that is, before the UE sends the BSR next time, it may be determined according to the first preset threshold that execution S312 and One of S313. Specifically, when the uplink data of the splitting bearer is smaller than the first preset threshold, and performing S312 or S313, the UE performs an LCP process at a preset MAC entity layer according to the initial PBR, where the preset MAC address is executed.
  • the entity is an MCG MAC entity
  • S312 is executed, that is, the preset MAC entity is an SCG MAC entity.
  • selecting S313 to send the uplink data of the split bearer to the first base station and selecting S312 to send the uplink data of the split bearer to the second base station.
  • one of S312 and S313 is performed before the next execution of S308, that is, before the UE transmits the BSR next time.
  • the UE performs an LCP process in the preset MAC entity layer according to the initial PBR, where the SDL is performed, that is, the preset MAC entity is an MCG MAC entity, and S312 is executed, that is, the preset MAC entity is an SCG MAC entity.
  • selecting to perform S313 sending the uplink data of the split bearer to the first base station, and selecting to perform S312, sending the uplink data to the second base station. Send the uplink data of the split bearer.
  • the execution may be determined according to the first preset threshold value.
  • S313 when the uplink data of the split bearer is greater than or equal to the first preset threshold, perform S312 and S313, where performing S313 includes the UE performing, according to the determined first PBR, in the MCG MAC entity associated with the first base station.
  • performing S312 includes: performing a second LCP process in the SCG MAC entity related to the second base station according to the second PBR, and The second base station sends part of the data in the uplink data of the split bearer.
  • S312 and S312 may be performed according to the first preset threshold before the next execution of S308, that is, before the UE sends the BSR next time.
  • One of S313. when the uplink data of the splitting bearer is smaller than the first preset threshold, and performing S312 or S313, the UE performs an LCP process at a preset MAC entity layer according to the initial PBR, where the preset MAC address is executed.
  • the entity is an MCG MAC entity
  • S312 is executed, that is, the preset MAC entity is an SCG MAC entity.
  • selecting S313 to send the uplink data of the split bearer to the first base station and selecting S312 to send the uplink data of the split bearer to the second base station.
  • the first preset threshold value and the second preset threshold value may be equal or not equal, and the first preset threshold value and the second preset threshold value may be preset in the UE.
  • the indication information is sent to the UE by the first base station, where the indication information includes a first preset threshold value and a second preset threshold value.
  • the second LCP process is performed, and the UE determines to send some or all data in the uplink data of the split bearer to the SeNB.
  • the first LCP process is performed, and the UE determines to send some or all data in the uplink data of the split bearer to the MeNB.
  • B corresponding to A means that B is associated with A, and B can be determined according to A.
  • determining B from A does not mean that B is only determined based on A, and that B can also be determined based on A and/or other information.
  • 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 taken to the embodiments of the present invention.
  • the implementation process constitutes any limitation.
  • the user equipment determines to perform the first corresponding to the first base station according to at least one of the determined first preset threshold value and the PBR configuration information.
  • the LCP process, and/or the second LCP process corresponding to the second base station also sends the uplink data of the split bearer to the primary base station and/or the secondary base station, and may also determine to the first according to the pre-second set threshold value.
  • the base station and/or the second base station send a BSR, so that the base station allocates uplink resources, so that it can flexibly determine how to perform uplink data transmission by splitting the bearer.
  • the method for uplink data transmission for splitting a bearer according to an embodiment of the present invention is described in detail above with reference to FIG. 1 to FIG. 7.
  • the uplink data transmission for split bearer according to an embodiment of the present invention will be described below with reference to FIG. s installation.
  • FIG. 8 is a schematic flowchart of a user equipment 300 for uplink data transmission according to an embodiment of the present invention.
  • the user equipment 300 includes:
  • the determining module 410 is configured to determine at least one of a first preset threshold value and a priority bit rate PBR configuration information of the split bearer;
  • the processing module 420 is configured to perform, according to at least one of the first preset threshold value and the PBR configuration information determined by the determining module 410, a first logical channel priority LCP process corresponding to the first base station, and / or performing a second LCP process corresponding to the second base station.
  • the user equipment UE determines at least one of the first preset threshold value and the PBR configuration information by using the determining module 410, where the first preset threshold value and the PBR configuration information may be pre-configured in the UE.
  • the configuration information sent by the first base station that is, the primary base station MeNB, may be received, and the configuration information may include at least one of the first preset threshold value and the PBR configuration information.
  • the processing module 420 of the UE performs processing according to the first preset threshold determined by the determining module 410. When the data volume of the uplink data of the split bearer is greater than or equal to the first preset threshold, the processing module 420 of the UE is processed.
  • the UE Performing a first LCP process corresponding to the first base station, and performing a second LCP process corresponding to the second base station, when the data volume of the uplink data of the split bearer is less than the first preset threshold, the UE
  • the processing module 420 selects to perform a first LCP procedure corresponding to the first base station or a second LCP procedure corresponding to the second base station.
  • the PBR configuration information may also be sent according to the first base station, and the processing module 420 performs the first base.
  • the user equipment for splitting the uplink data transmission of the bearer determines to perform the first LCP process corresponding to the first base station according to at least one of the determined preset threshold value and the PBR configuration information. And performing the second LCP process corresponding to the second base station, and also transmitting the uplink data of the split bearer to the primary base station and/or the secondary base station, so as to be able to flexibly determine how to perform uplink data transmission by splitting the bearer.
  • the user equipment UE determines, by the determining module 410, at least one of a first preset threshold value and PBR configuration information, where the PBR configuration information may include, for indicating that the UE performs corresponding to the first base station.
  • the first LCP process, and the information of the second LCP process corresponding to the second base station may also include configuration information of parameters required to perform the LCP process.
  • the first base station may be a MeNB, and the second base station may be a SeNB.
  • the first preset threshold and the PBR configuration information may be preset in the UE, or may receive the information sent by the first base station by using the receiving module of the UE, and the determining module 410 determines the first Preset threshold and PBR configuration information.
  • the PBR configuration information may include a certain preset rule.
  • the UE may determine to perform the first LCP process and/or perform the second LCP process, or may be used in performing the LCP process.
  • the parameter may also determine how the uplink data of the split bearer transmitted to the first base station and the second base station is allocated, and the present invention is not limited thereto.
  • the first preset threshold may be used by the user equipment to determine to perform the first LCP process and/or to perform the second LCP process.
  • the UE may determine the configuration information sent by the first base station that is received by the module, and then the determining module 410 determines at least one of the first preset threshold value and the PBR configuration information.
  • the user equipment establishes an RRC connection with the first base station and the second base station, and the first base station may send configuration information to the UE, according to the configuration information, the UE establishes an RRC connection with the first base station and the second, that is,
  • the configuration information includes configuration information required when the UE establishes an RRC connection with the first base station and the second base station.
  • the configuration information may further include at least one of a first preset threshold and a PBR configuration information, where the UE may determine, according to the configuration information sent by the first base station, a first preset threshold and At least one of the PBR configuration information.
  • the PBR configuration information determined by the determining module 410 of the UE may be included in the packet.
  • the UE may determine the data amount of data sent to the first base station and the second base station.
  • the PBR configuration information may include a ratio information, that is, a first ratio, and the UE allocates the first PBR and the second PBR according to the first ratio, and further may determine that the uplink data of the split bearer is respectively sent to the first base station and the first The amount of data sent by the two base stations.
  • the PBR configuration information includes a first ratio X, and then the UE may calculate a first PBR for the first base station MeNB by using “X* initial PBR”, denoted as PBR_MeNB.
  • the PBR configuration information may also include a second ratio Y, and then the UE calculates the second PBR for the second base station SeNB by using the “Y* initial PBR”, which is recorded as the PBR_SeNB, where the initial PBR is the uplink data of the UE split bearer.
  • the initial PBR may also be included in the PBR configuration information.
  • the second difference may be determined by using a difference between the initial PBR and the first PBR.
  • the PBR configuration information may also include a second ratio, and the first PBR may be determined by a difference between the initial PBR and the second PBR.
  • the PBR configuration information includes a PBR configuration method, and may further include a PBR_MeNB and/or a PBR_SeNB, where the PBR_MeNB indicates that, in the first LCP process, the first PBR for the first base station MeNB, the PBR_SeNB indicates that In the second LCP process, for the second PBR of the second base station SeNB, and satisfying PBR_MeNB+PBR_SeNB ⁇ initial PBR, the initial PBR is the initial PBR of the uplink data of the split bearer.
  • the PBR configuration information may also include an initial PBR.
  • the processing module 420 of the user equipment UE determines, according to at least one of the first preset threshold value and the PBR configuration information, that the first LCP process corresponding to the first base station is performed, and/or The second LCP process corresponding to the second base station, and correspondingly sending the uplink data of the split bearer to the first base station and/or the second base station.
  • the UE may determine to perform a first LCP process corresponding to the first base station according to the preset threshold value, and/or perform a second LCP process corresponding to the second base station; the UE may also determine according to the indication information.
  • a first LCP procedure corresponding to the first base station is performed, and a second LCP procedure corresponding to the second base station is performed.
  • the UE may first determine, by the determining module 410, an initial PBR of the uplink data of the split bearer, where the initial PBR can ensure that the LCP is performed when the uplink data of the split bearer is transmitted only through the uplink resource allocated by one eNB.
  • the PBR required in the process optionally, the initial PBR may be included in the PBR configuration information, and determined according to the PBR configuration information. PBR, the present invention is not limited to this.
  • the processing module 420 of the UE performs a first LCP process corresponding to the first base station, and performs a second LCP process corresponding to the second base station, including: determining, according to the PBR configuration information, the first a PBR and a second PBR, and the sum of the first PBR and the second PBR is greater than or equal to the initial PBR; and the MAC entity layer of the cell group (MCG) associated with the first base station, that is, the MeNB, performs the first according to the first PBR An LCP process; and, at the MAC entity layer of the cell group (SCG) associated with the second base station SeNB, performing a two LCP procedure according to the second PBR, that is, performing the first LCP process simultaneously according to the allocated different PBRs and The second LCP process.
  • MCG cell group
  • SCG MAC entity layer of the cell group
  • the processing module 420 of the UE performs a first LCP process corresponding to the first base station, or performs a second LCP process corresponding to the second base station, and includes: a cell group associated with the first base station MeNB
  • MCG The MAC entity layer of (MCG) performs a first LCP procedure according to the initial PBR, or a MAC entity layer of a cell group (SCG) associated with the second base station SeNB, and performs a two LCP procedure according to the initial PBR. That is, according to the initial PBR, the first LCP process or the second LCP process is selected to be performed.
  • the processing module 420 of the UE may determine to perform a first LCP procedure corresponding to the first base station according to the first preset threshold, and/or perform a second LCP procedure corresponding to the second base station.
  • the UE performs the first LCP process according to the first PBR, and performs the second LCP process according to the second PBR, that is, the split bearer.
  • the uplink data is jointly transmitted to the first base station and the second base station.
  • the UE may allocate the uplink data of the split bearer, and the sum of the amount of data sent to the first base station and the amount of data sent to the second base station is greater than or equal to the uplink data of the split bearer; the UE may further configure the information according to the PBR.
  • the first PBR for the first base station MeNB is represented as PBR_MeNB
  • the second PBR for the second base station SeNB is represented as PBR_SeNB
  • the amount of data sent to the MeNB M*(PBR_MeNB/PBR)
  • the amount of data sent to the SeNB M*(PBR_SeNB/PBR)
  • the amount of data reported to the SeNB M-the amount of data reported to the MeNB, where M represents the uplink data of the split bearer The amount of data.
  • the processing module 420 of the UE when the data volume of the uplink data of the split bearer is less than the first preset threshold, the processing module 420 of the UE performs a first LCP process corresponding to the first base station, or performs corresponding to the second base station.
  • the second LCP process that is, the uplink data of the split bearer is sent to one of the first base station and the second base station.
  • the UE may select one according to a preset rule. For example, after determining that the uplink data of the split bearer is smaller than the first preset threshold, the UE determines the first base station, and performs a first LCP process according to the initial PBR, and sends uplink data of the split bearer to the first base station.
  • the UE determines the second base station, and performs a second LCP process according to the initial PBR, and sends uplink data of the split bearer to the second base station.
  • the UE selects a base station according to a preset rule, where the preset rule may be preset in the UE, or may determine the first base station or the second base station according to the indication information carried in the configuration information sent by the first base station.
  • the UE may determine the time at the beginning of a time period with a certain period of time, determine to perform the first LCP process and the second LCP process, and transmit a part of the split to the first base station and the second base station. Carrying the uplink data; or determining to perform the first LCP process or performing the second LCP process, correspondingly transmitting the uplink data of the split bearer to one of the first base station and the second base station, and in the time period, according to the same Ways to transfer data.
  • the length of the time period may be determined according to actual conditions, and the present invention is not limited thereto.
  • the UE when the UE sends the uplink data of the split bearer to the first base station and the second base station, the UE may determine, according to the initial PBR of the uplink data of the split bearer, that the MAC entity of the MCG uses the PBR_MeNB and the SCG, respectively.
  • the MAC entity performs the LCP process by using the PBR_SeNB, and then allocates the uplink data of the split bearer to determine the amount of data sent to the first base station and the amount of data sent to the second base station.
  • the UE may perform the LCP process using the initial PBR according to the initial PBR of the uplink data of the split bearer, or in the SCG.
  • the MAC entity performs the LCP process by using the initial PBR, and correspondingly transmits the uplink data of the split bearer to the determined first base station or the second base station, that is, when the MAC entity of the MCG uses the initial PBR to perform the LCP, and transmits to the first base station MeNB.
  • the split data carries the uplink data, and when the MAC entity of the SCG uses the initial PBR to perform the LCP, the uplink data of the split bearer is transmitted to the second base station SeNB.
  • the user equipment for splitting the uplink data transmission of the bearer determines to perform the first LCP process corresponding to the first base station according to at least one of the determined threshold value and the PBR configuration information, and/ Or performing a second LCP process corresponding to the second base station, and transmitting the uplink data of the split bearer to the primary base station and/or the secondary base station, so as to be able to flexibly determine how to perform uplink data transmission by splitting the bearer.
  • the user equipment 300 further includes:
  • the first sending module 430 is configured to: when the amount of uplink data of the split bearer is greater than or equal to Sending, by the second preset threshold, a first buffer status report to the first base station, and sending a second cache status report to the second base station, where the first cache status report and the second cache status report are both The total amount of data of the uplink data of the split bearer, or the first buffer status report includes the first data amount sent to the first base station in the uplink data of the split bearer, and the second cache status report includes the split bearer The second amount of data sent to the second base station in the uplink data;
  • the second sending module 440 is configured to: when the data volume of the uplink data of the split bearer is less than the second preset threshold, send a first buffer status report to the first base station, or send a second report to the second base station.
  • the cache status report, the first cache status report and the second cache status report both include the total amount of data.
  • the UE may determine, by using the determining module 410 and the processing module 420, that the execution corresponds to the first base station.
  • the first LCP process, and/or the second LCP process corresponding to the second base station also determines to send uplink data of the split bearer to the first base station and/or the second base station.
  • the UE may be triggered to send the BSR to the base station by using the first sending module 430 and/or the second sending module 440, so that the base station configures the uplink resource; or the UE may The uplink data of the new split bearer is delayed to be sent until the BSR that sends the uplink data about the new split bearer by the first sending module 430 and/or the second sending module 440 is sent, and then the split bearer is sent to the base station. Upstream data.
  • the UE determines to send the BSR to the first base station and/or the second base station according to the second preset threshold.
  • the UE in order to assist the network side to schedule the uplink resource for the UE, the UE needs to send the BSR to the eNB.
  • the eNB After receiving the BSR, the eNB can obtain the uplink data quantity that the UE needs to send, so that the eNB can report the BSR according to the UE. Determine how many uplink transmission resources are scheduled.
  • the eNB may allocate it to a logical channel group ("LCG") for the purpose of introducing the LCG, mainly to reduce signaling overhead. Because, if a BSR is reported for each logical channel, a large amount of signaling overhead is incurred.
  • LCG logical channel group
  • the BSR is reported by the BSR MAC Control Element of the MAC layer, and the BSR may include a short BSR (Short BSR) and a Long BSR (Long BSR) format.
  • the short BSR is divided into a short BSR and a truncated BSR.
  • the Short BSR or Truncated BSR format can only report the BSR of one LCG.
  • the format consists of an LCG ID field and a corresponding Buffer Size field;
  • the Long BSR format contains four Buffer Size fields, which correspond to LCG IDs 0 to 3. This format will report the Buffer Size of all LCGs to the eNodeB.
  • the LCG ID field is generally 2 bits long, and is used to indicate the LCG corresponding to the reported BSR, and the value corresponds to the Logical Channel Group field of the IE:Logical Channel Config.
  • the Buffer Size field is 6 bits long and is used to indicate that the radio link control (Radio Link Control, "RLC") layer and PDCP of all logical channels of the corresponding LCG are generated after the UE generates all the MAC PDUs in the TTI of the BSR. The sum of the remaining valid data in the layer that can be used for transmission. The amount of data can be in bytes, but the RLC header and MAC header information are not counted.
  • RLC Radio Link Control
  • the RRC generally controls the reporting of the BSR by configuring two timers, that is, a periodic BSR timer (a periodic BSR-Timer) and a BSR retransmission timer (retxBSR-Timer).
  • a periodic BSR timer a periodic BSR-Timer
  • retxBSR-Timer a BSR retransmission timer
  • the conditions for triggering the UE to send the BSR may include the following.
  • the first is that when the BSR is empty and new data arrives, the UE can be triggered to send a BSR.
  • the UE may be triggered to send the BSR.
  • the UE sends the BSR for the first time.
  • This BSR can be called "Regular BSR".
  • the second trigger condition may be data arrival of the high priority logical channel.
  • the UE may be triggered.
  • the BSR is sent, which can also be called "Regular BSR".
  • the third triggering condition may be that the UE is triggered to send the BSR according to the retransmission timeout timer.
  • a retransmission BSR mechanism is provided in the LTE.
  • the retransmission timer expires. The UE can also be triggered to send a BSR.
  • the fourth trigger condition may be that the BSR is periodically sent.
  • the UE updates the BSR to the base station according to a certain period. For example, when the data arrives at the UE and the UE sends the BSR, the time when the UE receives the uplink transmission resource (UL grant) is not synchronized, that is, When the UE sends the BSR and receives the UL grant, the BSR is also filled with data. Therefore, the UE needs to periodically update the uplink data of the split bearer, and the BSR needs to be periodically reported. This BSR can be called "Periodic BSR".
  • the fifth trigger condition may be a padding trigger.
  • the uplink data that needs to be sent is insufficient to fill the uplink resource. If the remaining bit bits can accommodate the BSR, then these bits can be used to send the BSR, which is called "Padding BSR".
  • the foregoing five conditions for triggering the UE to send the BSR may be set to one or more of them.
  • the one may be set to satisfy one of the conditions, or may be set to satisfy multiple.
  • the trigger can be triggered, and the invention is not limited thereto.
  • the UE when the UE is triggered to send the BSR, the UE may determine, by using the second sending module 440, the first base station, by determining the size relationship between the data volume of the uplink data of the split bearer and the second preset threshold. And transmitting a BSR to one of the second base stations, or sending the BSR to both base stations by using the first sending module 430.
  • the UE when the data volume of the uplink data of the split bearer is greater than or equal to the second preset threshold, the UE sends the BSR of the uplink data of the split bearer to the first a base station and the second base station are both sent; when the data volume of the uplink data of the second split bearer is smaller than the second preset threshold, the BSR is sent to one of the first base station and the second base station. .
  • the UE when the data volume of the uplink data of the split bearer is greater than or equal to the second preset threshold, the UE sends the first BSR to the first base station, and also sends the second BSR to the second base station, where the first The BSR may include the total amount of data of the uplink data of the split bearer, and the second BSR also includes the total data volume of the uplink data, or the first BSR includes the first data amount in the uplink data of the split bearer, and the second BSR includes The second amount of data in the uplink data carried by the split.
  • the UE selects one base station to send a BSR, that is, the UE may send the first BSR to the first base station, or send the second BSR to the second base station, when the data volume of the uplink data of the splitting is smaller than the second preset threshold.
  • the first BSR includes the total data amount of the uplink data of the split bearer
  • the second BSR includes the uplink data of the split bearer. The total amount of data.
  • the UE when the data volume of the uplink data of the split bearer is greater than or equal to the second preset threshold, the UE sends the first BSR to the first base station, and also sends the second BSR to the second base station.
  • the first BSR may include the total amount of data of the uplink data of the split bearer
  • the second BSR also includes the total data volume of the uplink data, or the first BSR includes the first data amount in the uplink data of the split bearer.
  • the second BSR includes a second amount of data in the uplink data of the split bearer.
  • M represents the total amount of data of the uplink data of the split bearer, and the total data volume may be the total data volume of the uplink data of the PDCP layer, or may be the total data volume of the uplink data of other layers, and the present invention is not limited to this.
  • the UE when the data volume of the uplink data of the split bearer is less than the second preset threshold, the UE sends the first BSR to the first base station by using the second sending module 440, or the second base station sends the second BSR.
  • the total data amount of the uplink data of the split bearer is included for the first BSR and the second BSR.
  • the total amount of data may be the total data volume of the uplink data of the PDCP layer, or may be the total data volume of the uplink data of other layers, and the present invention is not limited thereto.
  • the UE when the data volume of the uplink data of the split bearer is greater than or equal to the second preset threshold, the UE sends the first BSR to the first base station by using the first sending module 430, The second base station transmits a second BSR. After the BSR is sent, before the UE retransmits the BSR to the first base station and/or the second base station, the UE may determine the first PBR and the second PBR according to the initial PBR in each TTI, according to the first PBR in the MCG.
  • the MAC entity layer performs the first LCP process, and performs a second LCP process at the SCG MAC entity layer according to the second PBR, that is, the uplink data of the split bearer is respectively transmitted to the first base station and the second base station.
  • the first sending module 430 of the UE when the data volume of the uplink data of the split bearer is greater than or equal to the second preset threshold, sends the first BSR to the first base station, The second base station transmits a second BSR. After the BSR is sent, before the UE sends the BSR again to the first base station and/or the second base station, the UE may determine to perform the first LCP process and/or perform according to the first preset threshold value in each TTI. The second LCP process.
  • the first PBR and the second PBR are determined according to the initial PBR, and the MCG MAC entity is configured according to the first PBR.
  • the layer performs a first LCP process, and performs a second LCP process at the SCG MAC entity layer according to the second PBR, that is, the uplink data of the split bearer is respectively transmitted to the first base station and the second base station.
  • the first LCP process is performed at the MCG MAC entity layer according to the initial PBR, that is, the uplink data of the split bearer is transmitted to the first base station.
  • the second sending module 440 of the UE when the amount of uplink data of the split bearer is smaller than the first When the threshold is preset, the second sending module 440 of the UE sends the first BSR to the first base station or the second BSR to the second base station. After the BSR is transmitted, before the UE retransmits the BSR to the first base station and/or the second base station, the UE may send the uplink data of the split bearer to the base station that sends the BSR in each TTI. Specifically, the UE may determine to send a BSR to the first base station or the second base station according to a certain rule.
  • the first LCP process is performed at the MCG MAC entity layer according to the initial PBS, that is, the first A base station transmits uplink data of a split bearer.
  • the UE determines to send the BSR to the second base station, and then performs the second LCP process at the SCG MAC entity layer according to the initial PBS, that is, transmits the uplink data of the split bearer to the second base station.
  • the second sending module 440 of the UE when the data volume of the uplink data of the split bearer is less than the second preset threshold, sends the first BSR to the first base station, or to the second The base station transmits a second BSR. After the BSR is sent, before the UE sends the BSR again to the first base station and/or the second base station, the UE may determine to perform the first LCP process and/or perform according to the first preset threshold value in each TTI. The second LCP process.
  • the first PBR and the second PBR are determined according to the initial PBR, and the MCG MAC entity is configured according to the first PBR.
  • the layer performs a first LCP process, and performs a second LCP process at the SCG MAC entity layer according to the second PBR, that is, the uplink data of the split bearer is respectively transmitted to the first base station and the second base station.
  • the first LCP process is performed at the MCG MAC entity layer according to the initial PBR, that is, the uplink data of the split bearer is transmitted to the first base station.
  • the first preset threshold may be equal to or different from the second preset threshold, and the present invention is not limited thereto.
  • B corresponding to A means that B is associated with A, and B can be determined according to A.
  • determining B from A does not mean that B is only determined based on A, and that B can also be determined based on A and/or other information.
  • the user equipment 400 for splitting the uplink data transmission of the bearer may correspond to performing the method 100 of the embodiments of the present invention, and the above and other operations of the various modules in the user equipment 400 and/or The functions are respectively implemented in order to implement the corresponding processes of the respective methods in FIG. 2 to FIG. 5, and are not described herein for brevity.
  • the user equipment for splitting the uplink data transmission of the bearer determines to perform the first LCP corresponding to the first base station according to at least one of the determined first preset threshold value and the PBR configuration information.
  • the process, and/or performing the second LCP process corresponding to the second base station also sending the uplink data of the split bearer to the primary base station and/or the secondary base station, and determining the first base station according to the pre-second set threshold value And/or the second base station sends the BSR, so that the base station allocates the uplink resource, so that it can flexibly determine how to perform uplink data transmission by splitting the bearer.
  • the first base station 500 for splitting uplink data transmission of a bearer includes:
  • the sending module 510 is configured to send configuration information to the user equipment, where the configuration information includes at least one of a preset threshold value and a priority bit rate PBR configuration information of the split bearer, where the configuration information is used by the user equipment to determine execution and a first logical channel priority LCP process corresponding to the first base station, and/or a second LCP process corresponding to the second base station;
  • the receiving module 520 is configured to receive uplink data of all or part of the split bearer sent by the user equipment according to the configuration information.
  • the first base station for splitting the uplink data transmission of the bearer in the embodiment of the present invention sends configuration information including at least one of a preset threshold value and PBR information to the user equipment, so that the user equipment determines execution and the first The first LCP process corresponding to the base station, and/or the second LCP process corresponding to the second base station, also sends the uplink data of the split bearer to the first base station and/or the second second station, thereby being able to flexibly determine how Performing uplink data transmission by splitting the bearer.
  • the sending module 510 of the first base station sends configuration information to the user equipment, where the configuration information may be used to indicate that the user equipment establishes an RRC connection with the first base station and the second base station, respectively.
  • the configuration information may further include at least one of a preset threshold value and PBR configuration information, where the PBR configuration information may include a first LCP process for instructing the user equipment to perform corresponding to the first base station, and
  • the information of the second LCP process corresponding to the second base station may also include information indicating the amount of data sent by the user equipment to the first base station and the amount of data sent to the second base station.
  • the first base station may be an MeNB
  • the second base station may be an SeNB.
  • the first base station MeNB The SeNB Add Request message or the SeNB Modify Request message may be sent by the sending module 510 to the second base station SeNB, where the SeNB adds or modifies the request message to include the split bearer newly added by the MeNB for the UE.
  • the SeNB addition or modification request message may further include PBR configuration information, where the PBR configuration information may include information of an initial PBR configured for splitting the bearer and a split PBR.
  • the initial PBR represents a PBR that guarantees that the QoS of the split bearer needs to be guaranteed, that is, the split bearer performs LCP by using only uplink resources (UL grants) allocated by one eNB (MeNB or SeNB), and passes the eNB through the eNB. PBR to be used for uplink data transmission.
  • the split PBR information indicates that the split bearer performs uplink LCP (UL grants) allocated by two eNBs (MeNB and SeNB) to perform LCP, and needs to be used when uplink data transmission is performed by the MeNB and the SeNB. PBR.
  • the information of the split PBR may include a ratio information, so that when the SeNB receives the information of the split PBR, the split PBR of the SeNB is determined.
  • the MeNB indicates the second ratio X in the SeNB Add or Request message, and then the SeNB can calculate the split PBR for the SeNB by "X* Initial PBR", which is denoted as PBR_SeNB.
  • the MeNB may also send the ratio information to the UE, and the UE determines the PBR_SeNB according to the ratio information, and the MeNB may also send the first ratio Y to the UE, and the UE calculates the split PBR for the MeNB by using the “Y* initial PBR”. Make PBR_MeNB.
  • the MeNB may also indicate, in the SeNB Add or Modify Request message, the split PBR that the UE should use for the SeNB in the LCP process, that is, the PBR_SeNB. And further, in the SeNB Add or Modify Request message, the split PBR that the UE should use for the MeNB in the LCP process, that is, the PBR_MeNB, where PBR_SeNB+PBR_MeNB ⁇ initial PBR, may also be indicated.
  • the MeNB may also send the PBR_SeNB and the PBR_MeNB to the UE, so that the UE allocates uplink data of the split bearer according to the information.
  • the second base station may send a determination message of the request message to the first base station, where the first base station receives the determination message by using the receiving module 520.
  • the determining message may include configuration information about the split bearer, so that the first base station sends the configuration information to the UE, and the UE establishes an RRC link according to the configuration information.
  • the sending module 510 of the first base station sends, to the UE, configuration information including at least one of a preset threshold value and PBR configuration information, where the PBR configuration information may include initial PBR and split PBR information, so that After receiving the configuration information, the UE determines at least one of a preset threshold value and PBR configuration information, and determines, according to at least one of the preset threshold value and the PBR configuration information, that the first node corresponding to the first base station is executed.
  • An LCP procedure, and/or performing a second LCP procedure corresponding to the second base station also determining the amount of data of the uplink data of the split bearer transmitted to the first base station and/or the second base station.
  • the receiving module 520 of the first base station receives all or part of the uplink data of the split bearer that is sent by the user equipment according to the configuration information. Specifically, when the UE determines to send the uplink data of the split bearer only to the first base station, the first base station receives the uplink data of all split bearers sent by the UE; when the UE determines to send only the uplink data of the split bearer to the second base station, The first base station does not receive data; when the UE determines to send the uplink data of the split bearer to the first base station and the second base station, the first base station receives a part of data in the uplink data of the split bearer, and the other part receives the uplink data in the split base station, and the other part is received by the second base station, The amount of data received can be determined by the UE, and the present invention is not limited thereto.
  • the receiving module 520 of the first base station may further receive a buffer status report BSR sent by the UE according to the configuration information, and configure an uplink resource according to the BSR, so that the UE sends the uplink data.
  • the first base station may according to the received BSR. Determining, by the first data quantity, the uplink resource to the UE according to the first data quantity, so that the UE transmits the uplink data to the first base station by using the uplink resource.
  • first base station 500 for splitting the uplink data transmission of the bearer may correspond to performing the method 200 in the embodiment of the present invention, and the above and other operations of the respective modules in the first base station 500 and The functions of the respective methods in FIG. 6 are respectively implemented for the sake of brevity, and are not described herein again.
  • the first base station for splitting the uplink data transmission of the bearer in the embodiment of the present invention sends configuration information including at least one of a preset threshold value and PBR information to the user equipment, so that the user equipment determines execution and the first The first LCP process corresponding to the base station, and/or the second LCP process corresponding to the second base station, also sends the uplink data of the split bearer to the first base station and/or the second second station, thereby being able to flexibly determine how Performing uplink data transmission by splitting the bearer.
  • the embodiment of the present invention further provides an uplink data transmission for splitting bearers.
  • the lost user equipment 600 includes a processor 610, a memory 620, a bus system 630, and a transceiver 640.
  • the processor 610, the memory 620 and the transceiver 640 are connected by a bus system 630 for storing instructions for executing the instructions stored in the memory 620 to control the transceiver 640 to send and receive signals.
  • the processor 610 may call the program code stored in the memory 620 to perform at least one of determining a first preset threshold value and a priority bit rate PBR configuration information of the split bearer; according to the first preset gate At least one of the limit value and the PBR configuration information, performing a first logical channel priority LCP procedure corresponding to the first base station and/or performing a second LCP procedure corresponding to the second base station.
  • the user equipment for splitting the uplink data transmission of the bearer determines to perform the first LCP corresponding to the first base station according to at least one of the determined first preset threshold value and the PBR configuration information.
  • the process, and/or performing the second LCP process corresponding to the second base station also sending the uplink data of the split bearer to the primary base station and/or the secondary base station, and determining the first base station according to the pre-second set threshold value And/or the second base station sends the BSR, so that the base station allocates the uplink resource, so that it can flexibly determine how to perform uplink data transmission by splitting the bearer.
  • the processor 610 may be a central processing unit ("CPU"), and the processor 610 may also be other general-purpose processors, digital signal processors (DSPs). , an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, and the like.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 620 can include read only memory and random access memory and provides instructions and data to the processor 610. A portion of the memory 620 can also include a non-volatile random access memory. For example, the memory 620 can also store information of the device type.
  • the bus system 630 may include a power bus, a control bus, a status signal bus, and the like in addition to the data bus. However, for clarity of description, various buses are labeled as bus system 630 in the figure.
  • each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 610 or an instruction in a form of software.
  • the steps of the method disclosed in the embodiments of the present invention 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 620, and the processor 610 reads the information in the memory 620, and combines the information
  • the hardware completes the steps of the above method. To avoid repetition, it will not be described in detail here.
  • the processor 610 may invoke the program code stored in the memory 620 to perform the following operations: the method further includes: determining, according to the PBR configuration information, an initial PBR of the split bearer; the performing and the first a first logical channel priority LCP process corresponding to the base station, and performing a second LCP process corresponding to the second base station, including: determining a first PBR and a second PBR, and summing the first PBR and the second PBR Greater than or equal to the initial PBR; according to the first PBR, the first media access control MAC entity of the cell group associated with the first base station performs the first LCP process; according to the second PBR, at the second base station The second MAC entity of the associated cell group performs the second LCP procedure.
  • the processor 610 may invoke the program code stored in the memory 620 to perform the following operations: performing a first logical channel priority LCP process corresponding to the first base station, or performing the second The second LCP process corresponding to the base station includes: performing, according to the initial PBR, the first LCP process at a first MAC entity of the cell group associated with the first base station; or according to the initial PBR, at the second base station The second MAC entity of the associated cell group performs the second LCP procedure.
  • the transceiver 640 is configured to receive the indication information sent by the first base station; the processor 610 may invoke the program code stored in the memory 620 to perform the following operations: determining, according to the indication information, performing the first The first LCP process corresponding to the base station or the second LCP process corresponding to the second base station.
  • the processor 610 may call the program code stored in the memory 620 to: determine a first ratio; determine the first PBR according to a product of the initial PBR and the first ratio; according to the initial Determining the second PBR by the difference between the PBR and the first PBR; or determining a second ratio; determining the second PBR according to a product of the initial PBR and the second ratio; and determining a difference between the initial PBR and the second PBR Determining the first PBR; or determining a first ratio and a second ratio; determining the first PBR according to a product of the initial PBR and the first ratio; determining the second PBR according to a product of the initial PBR and the second ratio.
  • the processor 610 may invoke the program code stored in the memory 620 to perform the following operations: the PBR configuration information includes the first ratio and/or the second ratio.
  • the processor 610 may invoke the program code stored in the memory 620 to perform the following operations: the PBR configuration information includes the first PBR and/or the second PBR, and the determining the first PBR and the second The PBR includes: determining the first PBR according to the PBR configuration information. And the second PBR.
  • the processor 610 may invoke the program code stored in the memory 620 to perform the following operations: performing the first with the at least one of the first preset threshold and the PBR configuration information.
  • the first logical channel priority LCP process corresponding to the base station, and/or the second LCP process corresponding to the second base station includes: when the data volume of the uplink data of the split bearer is greater than or equal to the first preset At the threshold, the first LCP process corresponding to the first base station is performed, and the second LCP process corresponding to the second base station is performed.
  • the processor 610 may invoke the program code stored in the memory 620 to perform the following operations: performing the first with the at least one of the first preset threshold and the PBR configuration information.
  • the first logical channel priority LCP process corresponding to the base station, and/or the second LCP process corresponding to the second base station includes: when the data volume of the uplink data of the split bearer is less than the first preset threshold And when the value is performed, the first LCP process corresponding to the first base station is performed, or the second LCP process corresponding to the second base station is performed.
  • the processor 610 may invoke the program code stored in the memory 620 to perform the following operations: performing the first base station according to at least one of the first preset threshold value and the PBR configuration information. Corresponding first logical channel priority LCP procedure, and/or performing a second LCP procedure corresponding to the second base station, including: before transmitting a buffer status report to the first base station and/or the second base station, according to And performing, by the at least one of the first preset threshold and the PBR configuration information, a first LCP procedure corresponding to the first base station, and/or performing the second LCP procedure corresponding to the second base station.
  • the processor 610 may invoke the program code stored in the memory 620 to perform the following operations: performing the first base station according to at least one of the first preset threshold value and the PBR configuration information.
  • Corresponding first logical channel priority LCP procedure, and/or performing a second LCP procedure corresponding to the second base station including: when the split bearer is added or when initial split data of the split bearer arrives, Trimming the user equipment to send a buffer status report to the first base station and/or the second base station; after the user equipment sends a buffer status report to the first base station and/or to the second base station, according to the first preset gate
  • At least one of the limit value and the PBR configuration information performing a first logical channel priority LCP procedure corresponding to the first base station, and/or performing a second LCP procedure corresponding to the second base station.
  • the processor 610 may invoke the program code stored in the memory 620 to perform the following operations: the at least one of the first preset threshold and the PBR configuration information. a first logical channel priority LCP process corresponding to the first base station, and/or a second LCP process corresponding to the second base station, including when the split bearer is increased or when the split When the initial uplink data of the bearer arrives, the uplink data of the split split bearer is delayed or the initial uplink data of the split bearer is delayed until the user equipment sends the buffer to the first base station and/or the second base station sends a buffer status report. .
  • the transceiver 640 is configured to: when the data volume of the uplink data of the split bearer is greater than or equal to a second preset threshold, send a first buffer status report to the first base station, and Sending, to the second base station, a second cache status report, where the first cache status report and the second cache status report both include a total data amount of uplink data of the split bearer, or the first cache status report includes the split a first amount of data sent to the first base station in the uplink data of the bearer, and the second buffer status report includes a second amount of data sent to the second base station in the uplink data of the split bearer; or when the split bearer When the data volume of the uplink data is less than the second preset threshold, sending a first buffer status report to the first base station, or sending a second buffer status report to the second base station, the first cache status report and the first The second cache status report includes the total amount of data.
  • the processor 610 may call the program code stored in the memory 620 to perform the following operations: determining a product of the first ratio and the total data amount as the first data amount; And a difference between the second data amount and the total data amount is determined as the second data amount; the total data amount and the second data amount are Determining the difference as the first amount of data; or determining a product of the first ratio and the total amount of data as the first amount of data; determining a product of the second ratio and the total amount of data as the second amount of data .
  • the processor 610 may call the program code stored in the memory 620 to perform the following operations: determining the first data according to a ratio of the ratio of the first PBR to the initial PBR and the total data amount. The amount of the difference between the total amount of data and the first amount of data is determined as the second amount of data; or the second data is determined according to a product of the ratio of the second PBR to the initial PBR and the total amount of data Determining the difference between the total data amount and the second data amount as the first data amount; or determining the first data according to a ratio of the first PBR to the initial PBR and the total data amount The amount of the second data is determined according to the ratio of the ratio of the second PBR to the initial PBR and the total amount of data.
  • the processor 610 may invoke the program code stored in the memory 620 to: send the first cache status report to the first base station, and send a second cache status report to the second base station. After that, the first buffer state is sent to the first base station next time. Reporting, and/or transmitting the second LCP status corresponding to the first base station, and performing the second LCP process corresponding to the second base station before transmitting the second buffer status report to the second base station; or When the data amount of the uplink data carried by the splitting is greater than or equal to the first preset threshold, performing the first LCP process corresponding to the first base station, and executing the first corresponding to the second base station Two LCP processes.
  • the processor 610 may invoke the program code stored in the memory 620 to: send the first cache status report to the first base station, and send a second cache status report to the second base station. After the first buffer status report is sent to the first base station, and/or the second buffer status report is sent to the second base station, the data volume of the uplink data of the split bearer is less than the first preset threshold. And when the value is performed, the first LCP process corresponding to the first base station is performed, or the second LCP process corresponding to the second base station is performed.
  • the processor 610 may invoke the program code stored in the memory 620 to: send the first cache status report to the first base station, or send a second cache status report to the second base station. Then, before transmitting the first buffer status report to the first base station next time, and/or sending the second buffer status report to the second base station, performing the first LCP process corresponding to the first base station, or performing The second LCP process corresponding to the second base station; or when the data volume of the uplink data of the split bearer is less than the first preset threshold, performing the first LCP process corresponding to the first base station, Or performing the second LCP process corresponding to the second base station.
  • the processor 610 may invoke the program code stored in the memory 620 to: send the first cache status report to the first base station, or send a second cache status report to the second base station.
  • the data amount of the uplink data of the split bearer is greater than or equal to the first preset.
  • the first LCP process corresponding to the first base station is performed, and the second LCP process corresponding to the second base station is performed.
  • the processor 610 may invoke the program code stored in the memory 620 to: send a first buffer status report to the first base station for the first time, and/or send a second to the second base station. Before the buffer status report, performing the first LCP process corresponding to the first base station according to at least one of the first preset threshold value and the PBR configuration information, and/or performing corresponding to the second base station The second LCP process.
  • the transceiver 640 is configured to: send to the first base station for the first time The first buffer status report, and/or before the second buffer status report is sent to the second base station, when the split bearer is added or when the initial uplink data of the split bearer arrives, the user equipment is triggered to the first base station. Sending a first cache status report and/or transmitting a second cache status report to the second base station.
  • the transceiver 640 is configured to: when the first buffer status report is sent to the first base station for the first time, and/or before the second cache status report is sent to the second base station, when the split bearer is The uplink data of the split bearer is delayed when the initial uplink data of the split bearer arrives, or the user equipment sends a first buffer status report to the first base station, and/or sends a second report to the second base station. Cache status report.
  • the transceiver 640 is configured to: receive configuration information sent by the first base station, and determine at least one of the first preset threshold and the PBR configuration information according to the configuration information.
  • the user equipment 600 for splitting the uplink data transmission of the bearer may correspond to the user equipment 400 for splitting the uplink data transmission of the bearer in the embodiment of the present invention, and may correspond to performing according to the present invention.
  • the above-described and other operations and/or functions of respective modules in the method 100 of the method 100 for inventing the uplink data transmission of the bearer are respectively implemented in order to implement the respective methods of FIGS. 2 to 5 The corresponding process, for the sake of brevity, will not be described here.
  • the user equipment for splitting the uplink data transmission of the bearer determines to perform the first LCP process corresponding to the first base station according to at least one of the determined threshold value and the PBR configuration information, and/ Or performing a second LCP process corresponding to the second base station, and transmitting the uplink data of the split bearer to the primary base station and/or the secondary base station, so as to be able to flexibly determine how to perform uplink data transmission by splitting the bearer.
  • an embodiment of the present invention further provides a user equipment 700 for split-bearing uplink data transmission, including a processor 710, a memory 720, a bus system 730, and a transceiver 740.
  • the processor 710, the memory 720 and the transceiver 740 are connected by a bus system 730 for storing instructions for executing instructions stored in the memory 720 to control the transceiver 740 to send and receive signals.
  • the transceiver 740 is configured to: send configuration information to the user equipment, where the configuration information includes at least one of a preset threshold value and a priority bit rate PBR configuration information of the split bearer, where the configuration information is used by the user equipment to determine Performing a first logical channel priority LCP procedure corresponding to the first base station, and/or performing a corresponding to the second base station a second LCP process; receiving uplink data of all or part of the split bearer sent by the user equipment according to the configuration information.
  • the first base station for splitting the uplink data transmission of the bearer in the embodiment of the present invention sends configuration information including at least one of a preset threshold value and PBR information to the user equipment, so that the user equipment determines execution and the first The first LCP process corresponding to the base station, and/or the second LCP process corresponding to the second base station, also sends the uplink data of the split bearer to the first base station and/or the second second station, thereby being able to flexibly determine how Performing uplink data transmission by splitting the bearer.
  • the processor 710 may be a central processing unit (“CPU"), and the processor 710 may also be other general-purpose processors, digital signal processors (DSPs). , an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, and the like.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 720 can include read only memory and random access memory and provides instructions and data to the processor 710. A portion of the memory 720 can also include a non-volatile random access memory. For example, the memory 720 can also store information of the device type.
  • the bus system 730 may include a power bus, a control bus, a status signal bus, and the like in addition to the data bus. However, for clarity of description, various buses are labeled as bus system 730 in the figure.
  • each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 710 or an instruction in a form of software.
  • the steps of the method disclosed in the embodiments of the present invention 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 memory 720, and processor 710 reads the information in memory 720 and, in conjunction with its hardware, performs the steps of the above method. To avoid repetition, it will not be described in detail here.
  • the processor 710 may invoke the program code stored in the memory 720 to perform the following operations: the PBR configuration information is used to determine parameters required to perform the first LCP process, and/or to execute the second LCP The parameters required for the process.
  • the processor 710 may invoke the program code stored in the memory 720 to perform the following operations: the configuration information includes: instructing the user equipment to perform a first logical channel priority corresponding to the first base station LCP process, and/or execution corresponding to the second base station Information about the second LCP process.
  • the transceiver 740 is configured to: receive a buffer status report sent by the user equipment, where the buffer status report includes data volume information of uplink data of the split bearer sent to the first base station; according to the buffer The data volume information in the status report allocates an uplink transmission resource for the user equipment.
  • the transceiver 740 is configured to: send a split bearer request message to the second base station, where the split bearer request message includes the PBR configuration information.
  • the first base station 700 for splitting the uplink data transmission of the bearer according to the embodiment of the present invention may correspond to the first base station 500 for splitting the uplink data transmission of the bearer in the embodiment of the present invention, and may correspond to the execution.
  • the above-described and other operations and/or functions of respective modules in the first base station 700 for splitting the uplink data transmission of the bearer according to the respective methods in the method 200 of the embodiment of the present invention are respectively implemented in order to implement the respective methods in FIG. The corresponding process, for the sake of brevity, will not be described here.
  • the first base station for splitting the uplink data transmission of the bearer in the embodiment of the present invention sends configuration information including at least one of a preset threshold value and PBR information to the user equipment, so that the user equipment determines execution and the first The first LCP process corresponding to the base station, and/or the second LCP process corresponding to the second base station, also sends the uplink data of the split bearer to the first base station and/or the second second station, thereby being able to flexibly determine how Performing uplink data transmission by splitting the bearer.
  • 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 Can be integrated into another system, or some features can be ignored or not executed.
  • Another point that is shown or discussed between each other The coupling or direct coupling or communication connection 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 invention 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.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present invention 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 the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

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Abstract

本发明实施例涉及用于分裂承载的上行数据传输的方法、用户设备和基站。该方法包括：确定第一预设门限值和该分裂承载的PBR配置信息中的至少一个；根据该第一预设门限值和该PBR配置信息中的至少一个，执行与该第一基站相对应的第一LCP过程和/或执行与该第二基站相对应的第二LCP过程。用户设备根据确定的预设门限值和PBR配置信息中的至少一个，确定执行与第一基站相对应的第一LCP过程，和/或执行与第二基站相对应的第二LCP过程，也将分裂承载的上行数据向主基站和/或次基站发送，从而能够灵活确定如何通过分裂承载来执行进行上行数据传输。

Description

用于分裂承载的上行数据传输的方法、用户设备和基站 技术领域
本发明涉及通信领域，尤其涉及用于分裂承载的上行数据传输的方法、用户设备和基站。
背景技术
为了支持更高的数据速率，以及支持用户设备UE能够同时聚合不同基站(例如宏基站和小型基站)的组成载波，第三代合作伙伴计划(the 3rd Generation Partner Project，简称“3GPP”)引入了双连接(Dual Connectivity，简称“DC”)技术。
DC技术的主要思想是将经过非理想回程链路(backhaul)相连的不同基站的载波进行聚合，以提高数据传输速率。
在双连接中，一个UE将同时连接到两个演进型基站(evolved Node B，简称“eNB”)，一个是主基站(Master eNB，简称“MeNB”)，另一个为次基站(Secondary eNB，简称“SeNB”)，MeNB和SeNB之间经过非理想的backhaul连接。
目前，3GPP确定的在双连接模式下MeNB和SeNB的协议栈，如图1所示：对于数据无线承载(Dada Radio Bearer，简称“DRB”)1来说，该DRB 1仅仅通过MeNB向用户设备UE发送。对于DRB 2，则一部分通过MeNB向UE发送，另一部分通过X2接口首先发送给SeNB，然后再由SeNB向UE发送。具体地，MeNB将该DRB2的一部分数据包，以分组数据汇聚协议(Packet Data Convergence Protocol，简称“PDCP”)协议数据单元(Protocol Data Unit，简称“PDU”)的数据包形式首先发送给SeNB，然后经过SeNB发送给UE。进一步，在LTE Release 13，为了提高上行数据传输速率，对于DRB 2的上行传输，UE可以将部分PDCP数据包向MeNB发送，同时将部分PDCP数据包向SeNB发送。由于上述DRB 2的数据被分裂成两部分分别通过不同的eNB进行传输，所以这个DRB 2称为分裂承载(split bearer)。而对于一个分裂承载的数据，UE需要同时向MeNB和SeNB执行发送，当前的数据传输过程不能再简单重用。
发明内容
本发明提供了一种用于分裂承载的上行数据传输的方法、用户设备和基站，能够灵活确定如何通过分裂承载来执行进行上行数据传输。
第一方面，提供了一种用于分裂承载的上行数据传输的方法，用户设备分别与第一基站和第二基站相连接，该方法包括：确定第一预设门限值和该分裂承载的优先比特率PBR配置信息中的至少一个；根据该第一预设门限值和该PBR配置信息中的至少一个，执行与该第一基站相对应的第一逻辑信道优先级LCP过程和/或执行与该第二基站相对应的第二LCP过程。
结合第一方面，在第一方面的一种实现方式中，该方法还包括：根据该PBR配置信息，确定该分裂承载的初始PBR；该执行与该第一基站相对应的第一逻辑信道优先级LCP过程，和执行与该第二基站相对应的第二LCP过程，包括：确定第一PBR和第二PBR，该第一PBR与该第二PBR之和大于或等于该初始PBR；根据该第一PBR，在该第一基站相关联的小区组的第一媒体接入控制MAC实体执行该第一LCP过程；根据该第二PBR，在该第二基站相关联的小区组的第二MAC实体执行该第二LCP过程。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，该执行与该第一基站相对应的第一逻辑信道优先级LCP过程，或执行与该第二基站相对应的第二LCP过程，包括：根据该初始PBR，在该第一基站相关联的小区组的第一MAC实体执行该第一LCP过程；或根据该初始PBR，在该第二基站相关联的小区组的第二MAC实体执行该第二LCP过程。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，该方法还包括：接收该第一基站发送的指示信息；根据该指示信息，确定执行该第一基站对应的该第一LCP过程或执行该第二基站对应的该第二LCP过程。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，该确定第一PBR和第二PBR，包括：确定第一比值；根据该初始PBR与该第一比值的乘积确定该第一PBR；根据该初始PBR与该第一PBR的差值确定该第二PBR；或确定第二比值；根据该初始PBR与该第二比值的乘积确定该第二PBR；根据该初始PBR与该第二PBR的差值确定该第一PBR；或确定第一比值和第二比值；根据该初始PBR与该第一比值的乘积确定该第一PBR；根据该初始PBR与该第二比值的乘积确定该第二PBR。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，该PBR配置信息包括该第一比值和/或该第二比值。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，该PBR配置信息包括该第一PBR和/或该第二PBR，该确定第一PBR和第二PBR，包括：根据该PBR配置信息，确定该第一PBR和该第二PBR。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，该根据该第一预设门限值和该PBR配置信息中的至少一个，执行与该第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与该第二基站相对应的第二LCP过程，包括：当该分裂承载的上行数据的数据量大于或等于该第一预设门限值时，执行与该第一基站相对应的该第一LCP过程，和执行与该第二基站相对应的该第二LCP过程。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，该根据该第一预设门限值和该PBR配置信息中的至少一个，执行与该第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与该第二基站相对应的第二LCP过程，包括：当该分裂承载的上行数据的数据量小于该第一预设门限值时，执行与该第一基站相对应的该第一LCP过程，或执行与该第二基站相对应的该第二LCP过程。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，该根据第一预设门限值和该PBR配置信息中的至少一个，执行与该第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与该第二基站相对应的第二LCP过程，包括：在向该第一基站和/或第二基站发送缓存状态报告之前，根据该第一预设门限值和该PBR配置信息中的至少一个，执行与该第一基站相对应的第一LCP过程，和/或执行与该第二基站相对应的该第二LCP过程。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，该根据第一预设门限值和该PBR配置信息中的至少一个，执行与该第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与该第二基站相对应的第二LCP过程，包括：当该分裂承载被增加时或者当该分裂承载的初始上行数据到达时，触发该用户设备向该第一基站和/或该第二基站发送缓存状态报告；在该用户设备向该第一基站和/或向该第二基站发送缓存状态报告之后，根据第一预设门限值和该PBR配置信息中的至少一个，执行与该第一 基站相对应的第一逻辑信道优先级LCP过程，和/或执行与该第二基站相对应的第二LCP过程。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，该根据第一预设门限值和该PBR配置信息中的至少一个，执行与该第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与该第二基站相对应的第二LCP过程，包括：当该分裂承载被增加时或者当该分裂承载的初始上行数据到达时，延迟发送该增加的分裂承载的上行数据或延迟发送该分裂承载的初始上行数据，直到该用户设备向该第一基站发送和/或该第二基站发送缓存状态报告。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，该方法还包括：当该分裂承载的上行数据的数据量大于或等于第二预设门限值时，向该第一基站发送第一缓存状态报告，且向该第二基站发送第二缓存状态报告，其中，该第一缓存状态报告和该第二缓存状态报告均包括该分裂承载的上行数据的总数据量，或该第一缓存状态报告包括该分裂承载的上行数据中向该第一基站发送的第一数据量，且该第二缓存状态报告包括该分裂承载的上行数据中向该第二基站发送的第二数据量；或当该分裂承载的上行数据的数据量小于该第二预设门限值时，向该第一基站发送第一缓存状态报告，或向该第二基站发送第二缓存状态报告，该第一缓存状态报告和该第二缓存状态报告均包括该总数据量。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，该方法还包括：将该第一比值与该总数据量的乘积确定为该第一数据量；将该总数据量与该第一数据量的差值确定为该第二数据量；或将该第二比值与该总数据量的乘积确定为该第二数据量；将该总数据量与该第二数据量的差值确定为该第一数据量；或将该第一比值与该总数据量的乘积确定为该第一数据量；将该第二比值与该总数据量的乘积确定为该第二数据量。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，该方法还包括：根据该第一PBR与该初始PBR的比值，与该总数据量的乘积，确定该第一数据量；将该总数据量与该第一数据量的差值确定为该第二数据量；或根据该第二PBR与该初始PBR的比值，与该总数据量的乘积，确定该第二数据量；将该总数据量与该第二数据量的差值确定为该第一数据量；或根据该第一PBR与该初始PBR的比值，与该总数据量的乘积，确定该第 一数据量；根据该第二PBR与该初始PBR的比值，与该总数据量的乘积，确定该第二数据量。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，该向该第一基站发送第一缓存状态报告，且向该第二基站发送第二缓存状态报告之后，在下一次向该第一基站发送第一缓存状态报告，和/或向该第二基站发送第二缓存状态报告之前，该方法包括：执行与该第一基站相对应的该第一LCP过程，和执行与该第二基站相对应的该第二LCP过程；或当该分裂承载的上行数据的数据量大于或等于该第一预设门限值时，执行与该第一基站相对应的该第一LCP过程，和执行与该第二基站相对应的该第二LCP过程。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，该向该第一基站发送第一缓存状态报告，且向该第二基站发送第二缓存状态报告之后，在下一次向该第一基站发送第一缓存状态报告，和/或向该第二基站发送第二缓存状态报告之前，该方法包括：当该分裂承载的上行数据的数据量小于该第一预设门限值时，执行与该第一基站相对应的该第一LCP过程，或执行与该第二基站相对应的该第二LCP过程。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，该向该第一基站发送第一缓存状态报告，或向该第二基站发送第二缓存状态报告之后，在下一次向该第一基站发送第一缓存状态报告，和/或向该第二基站发送第二缓存状态报告之前，该方法还包括：执行与该第一基站相对应的该第一LCP过程，或执行与该第二基站相对应的该第二LCP过程；或当该分裂承载的上行数据的数据量小于该第一预设门限值时，执行与该第一基站相对应的该第一LCP过程，或执行与该第二基站相对应的该第二LCP过程。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，该向该第一基站发送第一缓存状态报告，或向该第二基站发送第二缓存状态报告之后，在下一次向该第一基站发送第一缓存状态报告，和/或向该第二基站发送第二缓存状态报告之前，该方法还包括：当该分裂承载的上行数据的数据量大于或等于该第一预设门限值时，执行与该第一基站相对应的该第一LCP过程，和执行与该第二基站相对应的该第二LCP过程。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，在初次向该第一基站发送第一缓存状态报告，和/或向该第二基站发送第二缓存 状态报告之前，该方法还包括：根据该第一预设门限值和该PBR配置信息中的至少一个，执行与该第一基站相对应的该第一LCP过程，和/或执行与该第二基站相对应的该第二LCP过程。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，在初次向该第一基站发送第一缓存状态报告，和/或向该第二基站发送第二缓存状态报告之前，该方法还包括：当该分裂承载被增加时或者当该分裂承载的初始上行数据到达时，触发该用户设备向该第一基站发送第一缓存状态报告，和/或向该第二基站发送第二缓存状态报告。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，在初次向该第一基站发送第一缓存状态报告，和/或向该第二基站发送第二缓存状态报告之前，该方法还包括：当该分裂承载被增加时或者当该分裂承载的初始上行数据到达时，延迟发送该分裂承载的上行数据，直到该用户设备向该第一基站发送第一缓存状态报告，和/或向该第二基站发送第二缓存状态报告。
结合第一方面及其上述实现方式，在第一方面的另一种实现方式中，该确定第一预设门限值和该分裂承载的优先比特率PBR配置信息中的至少一个，包括：接收该第一基站发送的配置信息；根据该配置信息，确定该第一预设门限值和该PBR配置信息中的至少一个。
第二方面，提供了一种用于分裂承载的上行数据传输的方法，用户设备分别与第一基站和第二基站相连接，该方法包括：该第一基站向该用户设备发送配置信息，该配置信息至少包括预设门限值和该分裂承载的优先比特率PBR配置信息中的一个，该配置信息用于该用户设备确定执行与该第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与该第二基站相对应的第二LCP过程；接收该用户设备根据该配置信息发送的全部或部分该分裂承载的上行数据。
结合第二方面，在第二方面的一种实现方式中，该PBR配置信息用于确定执行该第一LCP过程所需参数，和/或执行该第二LCP过程所需参数。
结合第二方面及其上述实现方式，在第二方面的另一种实现方式中，该配置信息包括用于指示该用户设备执行与该第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与该第二基站相对应的第二LCP过程的信息。
结合第二方面及其上述实现方式，在第二方面的另一种实现方式中，该 方法还包括：该第一基站接收该用户设备发送的缓存状态报告，该缓存状态报告包括向该第一基站发送的分裂承载的上行数据的数据量信息；根据该缓存状态报告中的该数据量信息，为该用户设备分配上行传输资源。
结合第二方面及其上述实现方式，在第二方面的另一种实现方式中，该方法还包括：该第一基站向该第二基站发送分裂承载请求消息，该分裂承载请求消息包括该PBR配置信息。
第三方面，提供了一种用于分裂承载的上行数据传输的用户设备，该用户设备分别与第一基站和第二基站相连接，该用户设备包括：确定模块，用于确定第一预设门限值和该分裂承载的优先比特率PBR配置信息中的至少一个；处理模块，用于根据该确定模块确定的该第一预设门限值和该PBR配置信息中的至少一个，执行与该第一基站相对应的第一逻辑信道优先级LCP过程和/或执行与该第二基站相对应的第二LCP过程。
结合第三方面，在第三方面的一种实现方式中，该确定模块还用于：根据该PBR配置信息，确定该分裂承载的初始PBR；该处理模块中用于执行与该第一基站相对应的第一逻辑信道优先级LCP过程，和执行与该第二基站相对应的第二LCP过程，包括：确定第一PBR和第二PBR，该第一PBR与该第二PBR之和大于或等于该初始PBR；根据该第一PBR，在该第一基站相关联的小区组的第一媒体接入控制MAC实体执行该第一LCP过程；根据该第二PBR，在该第二基站相关联的小区组的第二MAC实体执行该第二LCP过程。
结合第三方面及其上述实现方式，在第三方面的另一种实现方式中，该处理模块中执行与该第一基站相对应的第一逻辑信道优先级LCP过程，或执行与该第二基站相对应的第二LCP过程，包括：根据该初始PBR，在该第一基站相关联的小区组的第一MAC实体执行该第一LCP过程；或根据该初始PBR，在该第二基站相关联的小区组的第二MAC实体执行该第二LCP过程。
结合第三方面及其上述实现方式，在第三方面的另一种实现方式中，该用户设备还包括：接收模块，用于接收该第一基站发送的指示信息；该确定模块具体用于：根据该指示信息，确定执行该第一基站对应的该第一LCP过程或执行该第二基站对应的该第二LCP过程。
结合第三方面及其上述实现方式，在第三方面的另一种实现方式中，该 确定处理模块具体用于：确定第一比值；根据该初始PBR与该第一比值的乘积确定该第一PBR；根据该初始PBR与该第一PBR的差值确定该第二PBR；或确定第二比值；根据该初始PBR与该第二比值的乘积确定该第二PBR；根据该初始PBR与该第二PBR的差值确定该第一PBR；或确定第一比值和第二比值；根据该初始PBR与该第一比值的乘积确定该第一PBR；根据该初始PBR与该第二比值的乘积确定该第二PBR。
结合第三方面及其上述实现方式，在第三方面的另一种实现方式中，该PBR配置信息包括该第一比值和/或该第二比值。
结合第三方面及其上述实现方式，在第三方面的另一种实现方式中，该PBR配置信息包括该第一PBR和/或该第二PBR，该处理模块具体用于：根据该PBR配置信息，确定该第一PBR和该第二PBR。
结合第三方面及其上述实现方式，在第三方面的另一种实现方式中，该处理模块具体用于：当该分裂承载的上行数据的数据量大于或等于该第一预设门限值时，执行与该第一基站相对应的该第一LCP过程，和执行与该第二基站相对应的该第二LCP过程。
结合第三方面及其上述实现方式，在第三方面的另一种实现方式中，其特征在于，该处理模块具体用于：当该分裂承载的上行数据的数据量小于该第一预设门限值时，执行与该第一基站相对应的该第一LCP过程，或执行与该第二基站相对应的该第二LCP过程。
结合第三方面及其上述实现方式，在第三方面的另一种实现方式中，该处理模块具体用于：在向该第一基站和/或第二基站发送缓存状态报告之前，根据该第一预设门限值和该PBR配置信息中的至少一个，执行与该第一基站相对应的第一LCP过程，和/或执行与该第二基站相对应的该第二LCP过程。
结合第三方面及其上述实现方式，在第三方面的另一种实现方式中，该处理模块具体用于：当该分裂承载被增加时或者当该分裂承载的初始上行数据到达时，触发该用户设备向该第一基站和/或该第二基站发送缓存状态报告；在该用户设备向该第一基站和/或向该第二基站发送缓存状态报告之后，根据第一预设门限值和该PBR配置信息中的至少一个，执行与该第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与该第二基站相对应的第二LCP过程。
结合第三方面及其上述实现方式，在第三方面的另一种实现方式中，该处理模块具体用于：当该分裂承载被增加时或者当该分裂承载的初始上行数据到达时，延迟发送该增加的分裂承载的上行数据或延迟发送该分裂承载的初始上行数据，直到该用户设备向该第一基站发送和/或该第二基站发送缓存状态报告。
结合第三方面及其上述实现方式，在第三方面的另一种实现方式中，该用户设备还包括：第一发送模块，用于当该分裂承载的上行数据的数据量大于或等于第二预设门限值时，向该第一基站发送第一缓存状态报告，且向该第二基站发送第二缓存状态报告，其中，该第一缓存状态报告和该第二缓存状态报告均包括该分裂承载的上行数据的总数据量，或该第一缓存状态报告包括该分裂承载的上行数据中向该第一基站发送的第一数据量，且该第二缓存状态报告包括该分裂承载的上行数据中向该第二基站发送的第二数据量；或第二发送模块，用于当该分裂承载的上行数据的数据量小于该第二预设门限值时，向该第一基站发送第一缓存状态报告，或向该第二基站发送第二缓存状态报告，该第一缓存状态报告和该第二缓存状态报告均包括该总数据量。
结合第三方面及其上述实现方式，在第三方面的另一种实现方式中，该确定模块还用于：将该第一比值与该总数据量的乘积确定为该第一数据量；将该总数据量与该第一数据量的差值确定为该第二数据量；或将该第二比值与该总数据量的乘积确定为该第二数据量；将该总数据量与该第二数据量的差值确定为该第一数据量；或将该第一比值与该总数据量的乘积确定为该第一数据量；将该第二比值与该总数据量的乘积确定为该第二数据量。
结合第三方面及其上述实现方式，在第三方面的另一种实现方式中，该确定模块还用于：根据该第一PBR与该初始PBR的比值，与该总数据量的乘积，确定该第一数据量；将该总数据量与该第一数据量的差值确定为该第二数据量；或根据该第二PBR与该初始PBR的比值，与该总数据量的乘积，确定该第二数据量；将该总数据量与该第二数据量的差值确定为该第一数据量；或根据该第一PBR与该初始PBR的比值，与该总数据量的乘积，确定该第一数据量；根据该第二PBR与该初始PBR的比值，与该总数据量的乘积，确定该第二数据量。
结合第三方面及其上述实现方式，在第三方面的另一种实现方式中，该 向该第一基站发送第一缓存状态报告，且向该第二基站发送第二缓存状态报告之后，在下一次向该第一基站发送第一缓存状态报告，和/或向该第二基站发送第二缓存状态报告之前，该处理模块具体用于：执行与该第一基站相对应的该第一LCP过程，和执行与该第二基站相对应的该第二LCP过程；或当该分裂承载的上行数据的数据量大于或等于该第一预设门限值时，执行与该第一基站相对应的该第一LCP过程，和执行与该第二基站相对应的该第二LCP过程。
结合第三方面及其上述实现方式，在第三方面的另一种实现方式中，该向该第一基站发送第一缓存状态报告，且向该第二基站发送第二缓存状态报告之后，在下一次向该第一基站发送第一缓存状态报告，和/或向该第二基站发送第二缓存状态报告之前，该处理模块具体用于：当该分裂承载的上行数据的数据量小于该第一预设门限值时，执行与该第一基站相对应的该第一LCP过程，或执行与该第二基站相对应的该第二LCP过程。
结合第三方面及其上述实现方式，在第三方面的另一种实现方式中，该向该第一基站发送第一缓存状态报告，或向该第二基站发送第二缓存状态报告之后，在下一次向该第一基站发送第一缓存状态报告，和/或向该第二基站发送第二缓存状态报告之前，该处理模块具体用于：执行与该第一基站相对应的该第一LCP过程，或执行与该第二基站相对应的该第二LCP过程；或
当该分裂承载的上行数据的数据量小于该第一预设门限值时，执行与该第一基站相对应的该第一LCP过程，或执行与该第二基站相对应的该第二LCP过程。
结合第三方面及其上述实现方式，在第三方面的另一种实现方式中，该向该第一基站发送第一缓存状态报告，或向该第二基站发送第二缓存状态报告之后，在下一次向该第一基站发送第一缓存状态报告，和/或向该第二基站发送第二缓存状态报告之前，该处理模块具体用于：当该分裂承载的上行数据的数据量大于或等于该第一预设门限值时，执行与该第一基站相对应的该第一LCP过程，和执行与该第二基站相对应的该第二LCP过程。
结合第三方面及其上述实现方式，在第三方面的另一种实现方式中，在初次向该第一基站发送第一缓存状态报告，和/或向该第二基站发送第二缓存状态报告之前，该处理模块具体用于：根据该第一预设门限值和该PBR配置信息中的至少一个，执行与该第一基站相对应的该第一LCP过程，和/或 执行与该第二基站相对应的该第二LCP过程。
结合第三方面及其上述实现方式，在第三方面的另一种实现方式中，在初次向该第一基站发送第一缓存状态报告，和/或向该第二基站发送第二缓存状态报告之前，该处理模块具体用于：当该分裂承载被增加时或者当该分裂承载的初始上行数据到达时，触发该用户设备向该第一基站发送第一缓存状态报告，和/或向该第二基站发送第二缓存状态报告。
结合第三方面及其上述实现方式，在第三方面的另一种实现方式中，在初次向该第一基站发送第一缓存状态报告，和/或向该第二基站发送第二缓存状态报告之前，该处理模块具体用于：当该分裂承载被增加时或者当该分裂承载的初始上行数据到达时，延迟发送该分裂承载的上行数据，直到该用户设备向该第一基站发送第一缓存状态报告，和/或向该第二基站发送第二缓存状态报告。
结合第三方面及其上述实现方式，在第三方面的另一种实现方式中，该接收模块具体用于：接收该第一基站发送的配置信息；该确定模块具体用于：根据该配置信息，确定该第一预设门限值和该PBR配置信息中的至少一个。
第四方面，提供了一种用于分裂承载的上行数据传输的第一基站，用户设备分别与该第一基站和第二基站相连接，该第一基站包括：发送模块，用于向该用户设备发送配置信息，该配置信息至少包括预设门限值和该分裂承载的优先比特率PBR配置信息中的一个，该配置信息用于该用户设备确定执行与该第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与该第二基站相对应的第二LCP过程；接收模块，用于接收该用户设备根据该配置信息发送的全部或部分该分裂承载的上行数据。
结合第四方面，在第四方面的一种实现方式中，该PBR配置信息用于确定执行该第一LCP过程所需参数，和/或执行该第二LCP过程所需参数。
结合第四方面及其上述实现方式，在第四方面的另一种实现方式中，该配置信息包括用于指示该用户设备执行与该第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与该第二基站相对应的第二LCP过程的信息。
结合第四方面及其上述实现方式，在第四方面的另一种实现方式中，该接收模块还用于：接收该用户设备发送的缓存状态报告，该缓存状态报告包括向该第一基站发送的分裂承载的上行数据的数据量信息；根据该缓存状态报告中的该数据量信息，为该用户设备分配上行传输资源。
结合第四方面及其上述实现方式，在第四方面的另一种实现方式中，该发送模块还用于：该第一基站向该第二基站发送分裂承载请求消息，该分裂承载请求消息包括该PBR配置信息。
基于上述技术方案，本发明实施例的用于分裂承载的上行数据传输的方法、用户设备和基站，用户设备根据确定的第一预设门限值和PBR配置信息中的至少一个，确定执行与第一基站相对应的第一LCP过程，和/或执行与第二基站相对应的第二LCP过程，也将分裂承载的上行数据向主基站和/或次基站发送，还可以根据预第二设门限值确定向第一基站和/或第二基站发送BSR，以便于基站分配上行资源，从而能够灵活确定如何通过分裂承载来执行进行上行数据传输。
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为了更清楚地说明本发明实施例的技术方案，下面将对本发明实施例中所需要使用的附图作简单地介绍，显而易见地，下面所描述的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是根据本发明实施例的分裂承载的示意图。
图2是根据本发明实施例的用于分裂承载的上行数据传输的方法的示意性流程图。
图3是根据本发明实施例的用于分裂承载的上行数据传输的方法的另一示意性流程图。
图4是根据本发明实施例的短BSR的示意图。
图5是根据本发明实施例的长BSR得示意图。
图6是根据本发明另一实施例的用于分裂承载的上行数据传输的方法的示意性流程图。
图7是根据本发明再一实施例的用于分裂承载的上行数据传输的方法的示意性流程图。
图8是根据本发明实施例的用于分裂承载的上行数据传输的用户设备的示意性框图。
图9是根据本发明实施例的用于分裂承载的上行数据传输的用户设备的另一示意性框图。
图10是根据本发明实施例的用于分裂承载的上行数据传输的第一基站的示意性框图。
图11是根据本发明另一实施例的用于分裂承载的上行数据传输的用户设备的另一示意性框图。
图12是根据本发明另一实施例的用于分裂承载的上行数据传输的第一基站的另一示意性框图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明的一部分实施例，而不是全部实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例，都应属于本发明保护的范围。
在双连接DC技术中，一个UE会配置两个小区组(Cell group，简称“CG”)，或者也叫组成载波组(CC group)：一个是主小区组(Master Cell group，简称“MCG”)，另一个是辅小区组(Secondary Cell Group,简称“SCG”)。
MCG是指与MeNB相关联的一个小区组，由主小区(Primary Cell，PCell)以及零个或多个辅小区(Secondary Cell，SCell)构成。
SCG是指与SeNB相关联的一个小区组，由主的辅小区(Primary Secondary Cell，PSCell)以及零个或多个辅小区(Secondary Cell，SCell)构成。
其中，PCell是指UE建立无线资源控制(Radio Resource Control，简称“RRC”)连接的小区，该主小区提供安全相关的参数以及配置有物理上行链路控制信道(Physical Uplink Control Channel，简称PUCCH)资源。PSCell是指在辅小区组内配置有PUCCH资源的辅小区。除PCell和PSCell外，在MCG和SCG内的SCell都不配置PUCCH资源。PUCCH信道主要用于传输混合自动重传请求确认信息(HARQ-ACK)、信道状态信息(Channel State Information，CSI)和调度请求(Scheduling Request，SR)等信息。
对于一个用户设备UE而言，可能同时存在多个业务，或者多个DRB需要进行传输，则在在媒体接入控制(Medium Access Control，简称“MAC”)层UE需要根据基站分配的上行资源，(有时候也称为上行授予UL grants) 将多个DRB的数据进行复用后传输。在LTE中，每个DRB都对应一个逻辑信道并配置一个逻辑信道优先级。在LTE中，将多个DRB的数据进行复用传输的过程称为逻辑信道优先级(Logical Channel Prioritization，简称“LCP”)过程。
具体地，在现有的LCP过程执行当中，RRC层通过控制以下几个参数来对MAC调度进行控制，这些参数是逻辑信道优先级、优先级比特率(Prioritized Bit Rate，简称PBR)以及持续时间参量(Bucket Size Duration，简称BSD)。对每个逻辑信道，UE应该维护一个状态变量Bj。在相关的逻辑信道建立时，Bj应该被初始化为0，然后每个传输时间间隔(Transmission Time Interval，简称TTI)增加PBR,即基于PBR*TTI进行累积，也就是每个TTI加一个PBR。
PBR是对应逻辑信道j的PBR。但是，Bj的值从来不能超出令牌桶的大小，一个令牌桶的大小为PBR*BSD。并且如果Bj的值大于逻辑信道j的令牌桶时，则应该置Bj的值为PBR*BSD。其中，PBR可以被设置为无限大，当某个逻辑信道被设置无限大的PBR时，则可以在资源紧张的情况下保证这个业务，而其他业务不会被服务。
进一步地，本发明实施例针对分裂承载，由于分裂承载有时候可以仅仅通过一个eNB进行上行数据传输，而有时候，当该DRB的数据量比较大的时候，需要同时通过两个eNB进行上行数据的传输。当该分裂承载仅仅通过一个eNB进行数据传输时，现有技术中的LCP过程可以完全重用，该DRB需要保证的传输速率PBR也由一个eNB进行保证。而该分裂承载同时通过两个eNB进行上行传输时，则该分裂承载需要分别在两个eNB配置独立的逻辑信道，一个逻辑信道针对MeNB，一个逻辑信道针对SeNB。该分裂承载的PBR则通过两个eNB联合进行保证，也就是现有的LCP过程不可以简单重用。
具体地，在本发明实施例中，图2示出了根据本发明实施例的用于上行数据传输的方法100的示意性流程图，该方法100可以由用户设备UE执行。如图2所示，该方法100包括：
S110，确定第一预设门限值和分裂承载的优先比特率PBR配置信息中的至少一个；
S120，根据该第一预设门限值和该PBR配置信息中的至少一个，执行 与该第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与该第二基站相对应的第二LCP过程。
具体地，针对分裂承载来说，用户设备UE确定第一预设门限值和PBR配置信息中的至少一个，该第一预设门限值和PBR配置信息可以预先配置在UE中，也可以接收第一基站，也就是主基站MeNB发送的配置信息，该配置信息中可以包括该第一预设门限值和PBR配置信息中的至少一个。UE根据确定的第一预设门限值来判断，当分裂承载的上行数据的数据量大于或等于该第一预设门限值的时候，则UE执行与第一基站相对应的第一LCP过程，且执行与第二基站相对应的第二LCP过程，当分裂承载的上行数据的数据量小于该第一预设门限值的时候，则UE选择执行与第一基站相对应的第一LCP过程，或者执行与第二基站相对应的第二LCP过程。另外，也可以根据第一基站发送PBR配置信息，执行与第一基站相对应的第一LCP过程，和/或执行与第二基站相对应的第二LCP过程，并将分裂承载的上行数据按比例进行分配，分别向第一基站和/或第二基站发送该分裂承载的上行数据。
因此，本发明实施例的用于分裂承载的上行数据传输的方法，用户设备根据确定的预设门限值和PBR配置信息中的至少一个，确定执行与第一基站相对应的第一LCP过程，和/或执行与第二基站相对应的第二LCP过程，也将分裂承载的上行数据向主基站和/或次基站发送，从而能够灵活确定如何通过分裂承载来执行进行上行数据传输。
在S110中，用户设备UE确定第一预设门限值和PBR配置信息中的至少一个，其中，PBR配置信息可以包括用于指示UE执行与第一基站相对应的第一LCP过程，和执行与第二基站相对应的第二LCP过程的信息，也可以包括在执行LCP过程中所需参数的配置信息。可旋风地，该第一基站可以为MeNB，第二基站可以为SeNB。
在本发明实施例中，该第一预设门限值和PBR配置信息可以预先设定在UE中，也可以通过接收第一基站发送的信息中，UE确定该第一预设门限值和PBR配置信息。其中，该PBR配置信息可以包括一定的预设规则，可选地，根据该预设规则，UE可以确定执行第一LCP过程和/或执行第二LCP过程，也可以在执行LCP过程中所用的参数，也可以确定向第一基站和第二基站发送的分裂承载的上行数据如何分配，本发明并不限于此。该第 一预设门限值可以用于用户设备确定执行第一LCP过程和/或执行第二LCP过程。
可选地，在本发明实施例中，UE可以通过接收第一基站发送的配置信息，确定第一预设门限值和PBR配置信息中的至少一个。具体地，对于分裂承载，用户设备分别与第一基站和第二基站建立RRC连接，第一基站可以向UE发送配置信息，根据该配置信息，UE与第一基站和第二建立RRC连接，即该配置信息中包括UE与第一基站以及第二基站建立RRC连接时所需要的配置信息。可选地，该配置信息中还可以包括第一预设门限值和PBR配置信息中的至少一个，则UE也可以根据第一基站发送的该配置信息，确定第一预设门限值和PBR配置信息中的至少一个。
在本发明实施例中，UE确定的PBR配置信息中可以包括PBR的配置方法，根据该PBR配置信息，UE可以确定向第一基站和第二基站发送的数据的数据量。可选地，该PBR配置信息可以包括一个比例信息，即第一比值，UE根据该第一比值分配第一PBR和第二PBR，进而也可以确定分裂承载的上行数据分别向第一基站和第二基站发送的数据量。例如，该PBR配置信息中包括第一比值X，然后UE可以通过“X*初始PBR”可以计算得到针对于第一基站MeNB的第一PBR，记作PBR_MeNB。另外，该PBR配置信息中也可以包括第二比值Y，然后UE通过“Y*初始PBR”计算得到针对第二基站SeNB的第二PBR，记作PBR_SeNB，其中初始PBR为UE分裂承载的上行数据的初始PBR，可选的，X和Y满足X+Y＝1或者X+Y>1，本发明并不限于此。可选地，该PBR配置信息中也可以包括初始PBR。可选地，当PBR配置信息中只包括第一比值和第二比值中的一个时，例如，该PBR配置信息中包括第一比值，则可以通过初始PBR与第一PBR的差值确定第二PBR；同样地，PBR配置信息也可以包括第二比值，则可以通过初始PBR与第二PBR的差值确定第一PBR。
可选地，该PBR配置信息中包括PBR的配置方法，还可以为包括PBR_MeNB和/或PBR_SeNB，其中，PBR_MeNB表示在第一LCP过程中，针对第一基站MeNB的第一PBR，PBR_SeNB表示在第二LCP过程中，针对第二基站SeNB的第二PBR，且满足PBR_MeNB+PBR_SeNB≥初始PBR，初始PBR为分裂承载的上行数据的初始PBR。可选地，该PBR配置信息也可以包括初始PBR。
在S120中，用户设备UE根据第一预设门限值和PBR配置信息中的至少一个，确定执行与第一基站相对应的第一LCP过程，和/或执行与第二基站相对应的第二LCP过程，进而相应的向该第一基站和/或该第二基站发送该分裂承载的上行数据。具体地，UE可以根据该预设门限值判断执行与第一基站相对应的第一LCP过程，和/或执行与第二基站相对应的第二LCP过程；UE也可以根据指示信息，确定执行与第一基站相对应的第一LCP过程，和执行与第二基站相对应的第二LCP过程。
在本发明实施例中，UE可以先确定分裂承载的上行数据的初始PBR，该初始PBR能够保证当分裂承载的上行数据仅仅通过一个eNB分配的上行资源进行传输时，在执行LCP过程中所需要的PBR，可选地，该初始PBR可以包括在PBR配置信息中，根据PBR配置信息确定该PBR，本发明并不限于此。
在本发明实施例中，UE执行与第一基站相对应的第一LCP过程，和执行与第二基站相对应的第二LCP过程，包括：根据PBR配置信息，分别确定第一PBR和第二PBR，且第一PBR与第二PBR之和大于等于初始PBR；在与第一基站，即MeNB，相关联的小区组(MCG)的MAC实体层，根据第一PBR，执行第一LCP过程；并且，在与第二基站SeNB相关联的小区组(SCG)的MAC实体层，根据第二PBR执行二LCP过程，也就是根据分配的不同的PBR，同时执行第一LCP过程和第二LCP过程。
同样地，UE执行与第一基站相对应的第一LCP过程，或执行与第二基站相对应的第二LCP过程，则包括：在与第一基站MeNB，相关联的小区组(MCG)的MAC实体层，根据初始PBR，执行第一LCP过程，或者是在与第二基站SeNB相关联的小区组(SCG)的MAC实体层，根据初始PBR执行二LCP过程。也就是根据初始PBR，选择执行第一LCP过程或第二LCP过程。
具体地，UE可以根据第一预设门限值，确定执行与第一基站相对应的第一LCP过程，和/或执行与第二基站相对应的第二LCP过程。当分裂承载的上行数据的数据量大于或等于该第一预设门限值时，UE根据第一PBR执行第一LCP过程，也根据第二PBR执行第二LCP过程，也就是将该分裂承载的上行数据向第一基站和第二基站共同发送。例如，UE可以将该分裂承载的上行数据进行分配，向第一基站发送的数据量与向第二基站发送的数据 量之和大于或等于该分裂承载的上行数据；UE还可以根据PBR配置信息，计算出在第一LCP过程中，针对第一基站MeNB的第一PBR表示为PBR_MeNB；在第二LCP过程中，针对第二基站SeNB的第二PBR表示为PBR_SeNB，则向MeNB发送的数据量＝M*(PBR_MeNB/PBR)；向SeNB发送的数据量＝M*(PBR_SeNB/PBR)，或者向SeNB上报的数据量＝M-向MeNB上报的数据量，其中M表示分裂承载的上行数据的数据量。
可选地，当分裂承载的上行数据的数据量小于该第一预设门限值时，UE确定执行与第一基站相对应的第一LCP过程，或执行与第二基站相对应的第二LCP过程，也就是将该分裂承载的上行数据向第一基站和第二基站中的一个基站发送。具体地，UE可以根据预先设定的规则选择一个基站，例如，UE确定分裂承载的上行数据小于第一预设门限值后，确定了第一基站，则根据初始PBR，执行第一LCP过程，向该第一基站发送分裂承载的上行数据；或者，UE确定了第二基站，则根据初始PBR，执行第二LCP过程，向该第二基站发送该分裂承载的上行数据。可选地，UE根据预设规则选择一个基站，该预设规则可以为预先设置在UE中，也可以根据第一基站发送的配置信息中携带的指示信息，确定第一基站或第二基站。
在本发明实施例中，UE可以以一定的时间长度为周期，在一个时间周期开始时判断一次，确定执行第一LCP过程和第二LCP过程，向第一基站和第二基站各传输一部分分裂承载的上行数据；或确定执行第一LCP过程或者执行第二LCP过程，对应的将分裂承载的上行数据传输到第一基站和第二基站中的一个基站，并在该时间周期内，按照同一种方式传输数据。可选地，该时间周期的长度可以根据实际情况进行确定，本发明并不限于此。
在本发明实施例中，当UE向第一基站和第二基站都发送分裂承载的上行数据时，UE可以根据分裂承载的上行数据的初始PBR，分别确定在MCG的MAC实体使用PBR_MeNB和SCG的MAC实体使用PBR_SeNB分别执行LCP过程，再将该分裂承载的上行数据进行分配，分别确定向第一基站发送的数据量和向第二基站发送的数据量。当UE向第一基站和第二基站中的一个基站发送分裂承载的上行数据时，则UE可以根据分裂承载的上行数据的初始PBR，在MCG的MAC实体使用初始PBR执行LCP过程，或在SCG的MAC实体使用初始PBR执行LCP过程，对应地再向确定的第一基站或第二基站传输分裂承载的上行数据，即在MCG的MAC实体使用初始 PBR来执行LCP时，向第一基站MeNB传输该分裂承载的上行数据，在SCG的MAC实体使用初始PBR来执行LCP时，向第二基站SeNB传输该分裂承载的上行数据。
因此，本发明实施例的用于分裂承载的上行数据传输的方法，用户设备根据确定的门限值和PBR配置信息中的至少一个，确定执行与第一基站相对应的第一LCP过程，和/或执行与第二基站相对应的第二LCP过程，也将分裂承载的上行数据向主基站和/或次基站发送，从而能够灵活确定如何通过分裂承载来执行进行上行数据传输。
可选地，在本发明实施例中，如图3所示，该方法100还包括：
S130，当该分裂承载的上行数据的数据量大于或等于第二预设门限值时，向该第一基站发送第一缓存状态报告，且向该第二基站发送第二缓存状态报告，其中，该第一缓存状态报告和该第二缓存状态报告均包括该分裂承载的上行数据的总数据量，或该第一缓存状态报告包括该分裂承载的上行数据中向该第一基站发送的第一数据量，且该第二缓存状态报告包括该分裂承载的上行数据中向该第二基站发送的第二数据量；
S140，当该分裂承载的上行数据的数据量小于该第二预设门限值时，向该第一基站发送第一缓存状态报告，或向该第二基站发送第二缓存状态报告，该第一缓存状态报告和该第二缓存状态报告均包括该总数据量。
在本发明实施例中，在没有触发UE发送分裂承载的上行数据的缓存状态报告(Buffer Status Report，简称BSR)之前，UE可以通过上述方法100中的S110和S120，确定执行与第一基站相对应的第一LCP过程，和/或执行与第二基站相对应的第二LCP过程，也确定向第一基站和/或第二基站发送该分裂承载的上行数据。可选地，当UE有新的分裂承载的上行数据需要发送时，可以触发UE向基站发送BSR，以便于基站配置上行资源；或者UE可以延迟发送该新的分裂承载的上行数据，直到触发UE发送了关于该新的分裂承载的上行数据的BSR后，再向基站发送该分裂承载的上行数据。当触发UE发送BSR时，则根据第二预设门限值，UE确定向第一基站和/或第二基站发送该BSR。
在本发明实施例中，为了协助网络侧为UE调度上行资源，UE需要向eNB发送BSR，eNB收到BSR后，可以近似得到UE真正需要发送的上行数据量，以使得eNB根据UE上报的BSR确定调度多少上行传输资源。可 选地，对于每个逻辑信道，eNB可以将其分配到一个逻辑信道组(Logical Channel Group，简称“LCG”)中，引入LCG的目的，主要是为了降低信令开销。因为，如果为每一个逻辑信道上报一个BSR，会带来大量的信令开销。
在本发明实施例中，BSR通过MAC层的BSR MAC控制实体(MAC Control Element)上报，BSR可以包括短BSR(Short BSR)和长BSR(Long BSR)两种格式。其中，如图4所示，短BSR分为短BSR和截断的BSR(Truncated BSR)，Short BSR或Truncated BSR格式只能上报一个LCG的BSR。其格式由一个LCG ID域和一个对应的缓存尺寸(Buffer Size)域组成；如图5所示，Long BSR格式包含了4个Buffer Size域，分别对应LCG ID 0～3。该格式会将所有LCG的Buffer Size一起上报给eNodeB。
具体地，LCG ID域长一般为2bit，用于指示上报的BSR对应的LCG，其值与IE:Logical Channel Config(逻辑信道配置)的Logical Channel Group(逻辑信道组)字段对应。Buffer Size域长为6bit，用于指示UE在发送这个BSR的TTI内的所有MAC PDU都生成以后，对应LCG的所有逻辑信道的无线链路控制(Radio Link Control，简称“RLC”)层和PDCP层中剩余的可用于传输的有效数据的总和，该数据量可以以byte为单位，但不将RLC头部和MAC头部信息计算在内。
在本发明实施例中，RRC一般通过配置两个定时器，即周期性BSR定时器(periodic BSR-Timer)和BSR重传定时器(retxBSR-Timer)来控制BSR的上报。具体地，触发UE发送BSR的条件可以包括以下几种。第一种是当BSR为空且有新数据到达时，可以触发UE发送BSR。具体地，当所有的LCG的所有逻辑信道上都没有分裂承载的上行数据时，如果此时任意一个LCG的任意一个逻辑信息存在分裂承载的上行数据时，则可以触发UE发送BSR。例如，UE第一次发送BSR。该BSR可以称为“Regular BSR”。
可选地，作为一个实施例，第二种触发条件可以是高优先级逻辑信道的数据到达。具体地，当高优先级的逻辑信道中有数据到达时，且该高优先级逻辑信道的优先级，比当前有数据可以传输的任意一个逻辑信道的优先级都要高时，也可以触发UE发送BSR，该BSR也可以称为“Regular BSR”。
可选地，作为一个实施例，第三种触发条件可以为根据重传超时定时器，触发UE发送BSR。具体地，为例提高BSR的健壮性，在LTE中提供了一个重传BSR的机制，为了避免UE发送了BSR之后，没有在一定时间内收 到基站分配的上行资源，重传定时器超时时，也可以触发UE发送BSR。
可选地，作为一个实施例，第四种触发条件可以为周期性发送BSR。具体地，根据周期定时器，UE按照一定的周期向基站更新BSR，例如，数据到达UE、UE发送BSR的时间，与UE收到上行传输资源(UL grant)的时间是不同步的，也就是UE发送BSR以及接收UL grant的同时，也在不停地向BSR中填充数据，因此，UE需要周期性地更新分裂承载的上行数据量，也就需要周期性上报BSR。该BSR可以称为“Periodic BSR”。
可选地，作为一个实施例，第五种触发条件可以为填充触发。具体地，当UE上有上行资源，且需要发送的上行数据不足以填满该上行资源时，多余的比特bit可以容纳BSR的话，则可以使用这些bit来发送BSR，该BSR称为“Padding BSR”。
在本发明实施例中，上述五种触发UE发送BSR的条件，可以设置其中一种或多种，当设置了多种条件时，可以设置为满足其中一个即可触发，也可以设置为满足多个才可以触发，本发明并不限于此。
在本发明实施例中，当触发了UE发送BSR时，UE可以通过判断分裂承载的上行数据的数据量与第二预设门限值的大小关系，确定向第一基站和第二基站中的一个基站发送BSR或是向两个基站都发送BSR。
在本发明实施例中，当该分裂承载的上行数据的数据量大于或等于该第二预设门限值时，则UE将该分裂承载的上行数据的BSR向该第一基站和该第二基站都发送；当该第二分裂承载的上行数据的数据量小于该第二预设门限值时，向该第一基站和该第二基站中的一个基站发送该BSR。具体地，当该分裂承载的上行数据的数据量大于或等于该第二预设门限值时，UE向第一基站发送第一BSR，也向第二基站发送第二BSR，其中，第一BSR可以包括该分裂承载的上行数据的总数据量，且第二BSR也包括该上行数据的总数据量，或者第一BSR包括该分裂承载的上行数据中的第一数据量，第二BSR包括该分裂承载的上行数据中的第二数据量。当该分裂承载的上行数据的数据量小于该第二预设门限值时，UE选择一个基站发送BSR，即UE可以向第一基站发送第一BSR，或者向第二基站发送第二BSR，其中，向第一基站发送第一BSR时，该第一BSR包括该分裂承载的上行数据的总数据量；向第二基站发送第二BSR时，该第二BSR包括该分裂承载的上行数据的总数据量。
具体地，当该分裂承载的上行数据的数据量大于或等于该第二预设门限值时，UE向第一基站发送第一BSR，也向第二基站发送第二BSR。其中，第一BSR可以包括该分裂承载的上行数据的总数据量，且第二BSR也包括该上行数据的总数据量，或者第一BSR包括该分裂承载的上行数据中的第一数据量，第二BSR包括该分裂承载的上行数据中的第二数据量。对于第一BSR包括第一数据量，第二BSR包括的第二数据量，可以分别根据第一PBR和第二PBR来确定，具体地，第一数据量＝M*(第一PBR/初始PBR)，而第二数据量可以通过M与第一数据量的差值获得，或者第二数据量＝M*(第二PBR/初始PBR)，其中，M表示该分裂承载的上行数据的总数据量。同样地，也可以先确定第二数据量＝M*(第二PBR/初始PBR)，再通过M与第二数据量的差值确定第一数据量。可选地，M表示该分裂承载的上行数据的总数据量，该总数据量可以为PDCP层的上行数据的总数据量，也可以为其它层上行数据的总数据量，本发明并不限于此。
可选地，当该分裂承载的上行数据的数据量小于该第二预设门限值时，UE向第一基站发送第一BSR，或者第二基站发送第二BSR，其中对于第一BSR和第二BSR，均包括该分裂承载的上行数据的总数据量。可选地，该总数据量可以为PDCP层的上行数据的总数据量，也可以为其它层上行数据的总数据量，本发明并不限于此。
可选地，作为一个实施例，当该分裂承载的上行数据的数据量大于或等于该第二预设门限值时，UE向第一基站发送第一BSR，也向第二基站发送第二BSR。在发送了该BSR之后，在UE向第一基站和/或第二基站再次发送BSR之前，UE可以在每个TTI内，根据初始PBR确定第一PBR和第二PBR，根据第一PBR在MCG MAC实体层执行第一LCP过程，并根据第二PBR在SCG MAC实体层执行第二LCP过程，即将分裂承载的上行数据分别向第一基站和第二基站传输。
可选地，作为一个实施例，当该分裂承载的上行数据的数据量大于或等于该第二预设门限值时，UE向第一基站发送第一BSR，也向第二基站发送第二BSR。在发送了该BSR之后，在UE向第一基站和/或第二基站再次发送BSR之前，UE可以在每个TTI内，根据第一预设门限值确定执行第一LCP过程和/或执行第二LCP过程。具体地，当任一TTI内，分裂承载的上行数据的数据量大于或等于第一预设门限值时，则根据初始PBR确定第一 PBR和第二PBR，根据第一PBR在MCG MAC实体层执行第一LCP过程，并根据第二PBR在SCG MAC实体层执行第二LCP过程，即将分裂承载的上行数据分别向第一基站和第二基站传输。当任一TTI内，分裂承载的上行数据的数据量小于第一预设门限值时，则根据初始PBR在MCG MAC实体层执行第一LCP过程，即向第一基站传输分裂承载的上行数据，或者根据初始PBR在SCG MAC实体层执行第二LCP过程，即向第二基站传输分裂承载的上行数据。
可选地，作为一个实施例，当该分裂承载的上行数据的数据量小于该第二预设门限值时，UE向第一基站发送第一BSR，或者向第二基站发送第二BSR。在发送了该BSR之后，在UE向第一基站和/或第二基站再次发送BSR之前，UE可以在每个TTI内，向发送了BSR的基站发送分裂承载的上行数据。具体地，UE可以根据一定规则，确定向第一基站或者第二基站发送BSR，例如，UE确定向第一基站发送BSR，则根据初始PBS在MCG MAC实体层执行第一LCP过程，即向第一基站传输分裂承载的上行数据。又例如，UE确定向第二基站发送BSR，则根据初始PBS在SCG MAC实体层执行第二LCP过程，即向第二基站传输分裂承载的上行数据。
可选地，作为一个实施例，当该分裂承载的上行数据的数据量小于该第二预设门限值时，UE向第一基站发送第一BSR，或者向第二基站发送第二BSR。在发送了该BSR之后，在UE向第一基站和/或第二基站再次发送BSR之前，UE可以在每个TTI内，根据第一预设门限值确定执行第一LCP过程和/或执行第二LCP过程。具体地，当任一TTI内，分裂承载的上行数据的数据量大于或等于第一预设门限值时，则根据初始PBR确定第一PBR和第二PBR，根据第一PBR在MCG MAC实体层执行第一LCP过程，并根据第二PBR在SCG MAC实体层执行第二LCP过程，即将分裂承载的上行数据分别向第一基站和第二基站传输。当任一TTI内，分裂承载的上行数据的数据量小于第一预设门限值时，则根据初始PBR在MCG MAC实体层执行第一LCP过程，即向第一基站传输分裂承载的上行数据，或者根据初始PBR在SCG MAC实体层执行第二LCP过程，即向第二基站传输分裂承载的上行数据。
在本发明实施例中，可选地，该第一预设门限值可以和第二预设门限值相等，也可以不相等，本发明并不限于此。
应理解，在本发明实施例中，“与A相应的B”表示B与A相关联，根据A可以确定B。但还应理解，根据A确定B并不意味着仅仅根据A确定B，还可以根据A和/或其它信息确定B。
另外，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。
因此，本发明实施例的用于分裂承载的上行数据传输的方法，用户设备根据确定的第一预设门限值和PBR配置信息中的至少一个，确定执行与第一基站相对应的第一LCP过程，和/或执行与第二基站相对应的第二LCP过程，也将分裂承载的上行数据向主基站和/或次基站发送，还可以根据预第二设门限值确定向第一基站和/或第二基站发送BSR，以便于基站分配上行资源，从而能够灵活确定如何通过分裂承载来执行进行上行数据传输。
上文中结合图2至图5，从用户设备的角度详细描述了根据本发明实施例的用于上行数据传输的方法，下面将结合图6，从第一基站的角度描述根据本发明另一实施例的用于上行数据传输的方法。
图6示出了根据本发明另一实施例的用于上行数据传输的方法的示意性流程图。该方法200可以由第一基站执行，该第一基站可以为MeNB，且UE与该MeNB相连，也于第二基站SeNB相连，该方法200包括：
S210，该第一基站向该用户设备发送配置信息，该配置信息至少包括预设门限值和该分裂承载的优先比特率PBR配置信息中的一个，该配置信息用于该用户设备确定执行与该第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与该第二基站相对应的第二LCP过程；
S220，接收该用户设备根据该配置信息发送的全部或部分该分裂承载的上行数据。
因此，本发明实施例的用于分裂承载的上行数据传输的方法，用户设备根据第一基站发送的预设门限值和PBR信息中的至少一个，确定执行与第一基站相对应的第一LCP过程，和/或执行与第二基站相对应的第二LCP过程，也将分裂承载的上行数据向主基站和/或次基站发送，从而能够灵活确定如何通过分裂承载来执行进行上行数据传输。
在S210中，第一基站向用户设备发送配置信息，该配置信息可以用于 指示用户设备与第一基站和第二基站分别建立RRC连接。该配置信息中还可以包括预设门限值和PBR配置信息中的至少一个，其中，该PBR配置信息可以包括用于指示该用户设备执行与该第一基站相对应的第一LCP过程，和与该第二基站相对应的第二LCP过程的信息，也可以包括用于指示用户设备向第一基站发送的数据量和向第二基站发送的数据量的信息。具体地，该第一基站可以为MeNB，第二基站可以为SeNB。
具体地，在本发明实施例中，当需要添加分裂承载时，第一基站MeNB可以向第二基站SeNB发送SeNB增加请求消息或SeNB修改请求消息，该SeNB增加或修改请求消息中包含MeNB确定的为UE新添加的分裂承载。可选地，该SeNB增加或修改请求消息中还还可以包括PBR配置信息，该PBR配置信息可以包括为分裂承载配置的初始PBR以及分裂的PBR的信息。
在本发明实施例中，初始PBR表示保证该分裂承载的QoS需要保证的PBR，也就是该分裂承载仅仅使用一个eNB(MeNB或SeNB)分配的上行资源(UL grants)执行LCP，并通过该eNB进行上行数据传输时需要使用的PBR。
在本发明实施例中，该分裂的PBR的信息表示该分裂承载在两个eNB(MeNB和SeNB)分别分配的上行资源(UL grants)执行LCP，并通过MeNB和SeNB进行上行数据传输时需要使用的PBR。
具体地，该分裂的PBR的信息可以包括一个比例信息，以便于SeNB接收到该分裂的PBR的信息时，确定SeNB的分裂PBR。例如，MeNB在SeNB增加或请求消息中指示第二比值X，然后SeNB可以通过“X*初始PBR”可以计算得到针对于SeNB的分裂PBR，记作PBR_SeNB。同样地，MeNB也可以将该比例信息发送给UE，UE根据该比例信息确定PBR_SeNB，MeNB还可以向UE发送第一比值Y，UE通过“Y*初始PBR”计算得到针对MeNB的分裂PBR，记作PBR_MeNB。
可选地，作为一个实施例，MeNB在SeNB增加或修改请求消息中还可以指示UE在LCP过程中应该针对SeNB使用的分裂PBR，即PBR_SeNB。以及进一步地，在SeNB增加或修改请求消息中还可以指示UE在LCP过程中应该针对MeNB使用的分裂PBR，即PBR_MeNB，其中，PBR_SeNB+PBR_MeNB≥初始PBR。可选地，MeNB也可以将PBR_SeNB以及PBR_MeNB发送给UE，以便于UE根据该信息分配分裂承载的上行数 据。
在本发明实施例中，第二基站接收到第一基站发送的包括指示信息的请求消息后，可以向第一基站发送请求消息的确定消息，该确定消息中可以包括关于该分裂承载的配置信息，以便于第一基站将该配置信息发送给UE，UE根据该配置信息建立RRC链接。
在本发明实施例中，第一基站向UE发送包括预设门限值和PBR配置信息中的至少一个的配置信息，该PBR配置信息中可以包括初始PBR和分裂PBR信息，以便于UE接收到该配置信息后，确定预设门限值和PBR配置信息中的至少一个，并根据预设门限值和PBR配置信息中的至少一个，确定执行与第一基站相对应的第一LCP过程，和/或执行与第二基站相对应的第二LCP过程，也确定向第一基站和/或第二基站发送的分裂承载的上行数据的数据量。
在S220中，第一基站接收该用户设备根据该配置信息发送的全部或部分该分裂承载的上行数据。具体地，当UE确定只向第一基站发送分裂承载的上行数据时，则第一基站接收UE发送的全部分裂承载的上行数据；当UE确定只向第二基站发送分裂承载的上行数据时，第一基站不接收数据；当UE确定向第一基站和第二基站发送分裂承载的上行数据时，则第一基站接收分裂承载的上行数据中的一部分数据，另一部分由第二基站接收，具体接收的数据量可以由UE确定，本发明并不限于此。
可选地，作为一个实施例，第一基站还可以接收UE根据配置信息发送的缓存状态报告BSR，并根据该BSR配置上行资源，以便于UE发送上行数据。具体地，当UE根据第二预设门限值确定向第一基站和/或第二基站发送BSR，当UE确定向第一基站发送了该BSR时，第一基站可以根据接收到的该BSR确定UE向第一基站发送的上行数据的第一数据量，根据该第一数据量配置上行资源给UE，以便于UE通过该上行资源向第一基站传输上行数据。
应理解，在本发明实施例中，“与A相应的B”表示B与A相关联，根据A可以确定B。但还应理解，根据A确定B并不意味着仅仅根据A确定B，还可以根据A和/或其它信息确定B。
另外，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。
因此，本发明实施例的用于分裂承载的上行数据传输的方法，用户设备根据确定的门限值和指示信息中的至少一个，将分裂承载的上行数据向主基站和/或次基站发送，从而能够灵活确定如何通过分裂承载来执行进行上行数据传输。
下面将结合具体实施例，对根据本发明实施例的上行数据传输的方法进行说明。
图7示出了根据本发明再一实施例的上行数据传输的方法的示意性流程图。如图7所示：
在S301中，MeNB向SeNB发送SeNB增加请求消息，或SeNB修改请求消息，该SeNB增加或修改请求消息中可以包括MeNB确定的为UE新添加的分裂承载(split bearer)。可选地，该SeNB增加或请求消息中还可以包括PBR配置信息，该PBR配置信息可以用于确定分裂承载配置的初始PBR以及分裂PBR的信息。
其中，初始PBR为保证该分裂承载QoS需要的PBR，也就是该分裂承载仅仅使用一个eNB分配上行资源(UL grants)执行LCP过程，并通过该eNB进行上行数据传输是所需的PBR。而分裂PBR表示该分裂承载在两个eNB(MeNB和SeNB)分别分配的UL grants执行LCP过程，并通过两个eNB进行上行数据传输时所需要的PBR，该分裂PBR可以包括执行第一基站对应的第一LCP过程需要的第一PBR，和执行第二基站对应的第二LCP过程需要的第二PBR，其中，第一PBR和第二PBR之和大于或等于初始PBR。
具体地，该SeNB增加或请求消息中可以包括一个第一比值X，SeNB可以通过“X*初始PBR”可以计算得到针对于SeNB的第二PBR，记作PBR_SeNB。进一步地，MeNB也可以将该比例信息发送给UE，UE根据该比例信息确定PBR_SeNB，MeNB还可以向UE发送一个第二比值Y，UE通过“Y*初始PBR”计算得到针对MeNB的第一PBR，记作PBR_MeNB，其中，X+Y≥1。
可选地，该SeNB增加或请求消息中还可以包括针对于SeNB的第二PBR，记作PBR_SeNB。进一步地，该SeNB增加或请求消息中还可以包括 针对MeNB的第一PBR，记作PBR_MeNB，其中，PBR_SeNB+PBR_MeNB≥初始PBR。
在S302中，在接收到MeNB发送的SeNB增加或修改请求消息后，SeNB向MeNB发送SeNB增加或修改请求的确认消息。该SeNB增加或修改请求的确认消息中包含该分裂承载的配置信息，以便于用户设备可以根据该配置信息与SeNB建立连接。
在S303中，MeNB向UE发送RRC连接消息，该RRC连接消息中可以包括需要UE添加的分裂承载的配置信息，该分裂承载的配置信息包括初始PBR和分裂PBR的信息，其中初始PBR以及分裂PBR的信息同S301。
可选地，该RRC连接消息还可以包括指示信息，该指示信息可以用于指示UE根据初始PBR在MeNB对应的MCG MAC实体执行第一LCP过程；也可以用于指示UE根据初始PBR在SeNB对应的SCG MAC实体执行第二LCP过程；还可以用于指示UE根据第一PBR在MeNB对应的MCG MAC实体执行第一LCP过程，且根据第二PBR在SeNB对应的SCG MAC实体执行第二LCP过程，本发明并不限于此。
可选地，该RRC连接消息还可以包括第一预设门限值和S301中的PBR配置信息，UE可以根据该配置信息可以确定初始PBR、第一PBR和第二PBR。当分裂承载的上行数据的数据量大于或等于该第一预设门限值时，UE分别根据第一PBR执行第一LCP过程，根据第二PBR执行第二LCP过程。当分裂承载的上行数据的数据量小于该第一预设门限值时，UE可以根据初始PBR执行第一LCP过程，或者根据初始PBR执行第二LCP过程，而UE可以根据第一基站发送的配置信息选择执行第一LCP过程和第二LCP过程中的一个。
在S304中，UE接收MeNB发送的RRC连接重配置消息后，UE确定添加新的分裂承载。
在S305中，当该分裂承载有上行数据需要发送时，如果当前与该分裂承载相关的BSR还没有被触发或上报，则UE可以根据如下方式中的一项确定如何执行LCP过程以及如何传输该分裂承载的上行数据。
可选地，作为一个实施例，UE可以在与该裂承载相关的BSR还没有被触发或上报之前，执行S307和S306。具体地，执行S307包括：UE根据确定的第一PBR在与第一基站相关的MCG MAC实体中执行第一LCP过程， 并向第一基站发送该分裂承载的上行数据中的部分数据。执行S306包括：根据第二PBR在与第二基站相关的SCG MAC实体中执行第二LCP过程，并向第二基站发送该分裂承载的上行数据中的部分数据。
可选地，作为一个实施例，UE可以在与该裂承载相关的BSR还没有被触发或上报之前，可以选择执行S307和S306中的一个。具体地，UE根据初始PBR在预设的MAC实体层执行LCP过程，其中，执行S307即该预设的MAC实体为MCG MAC实体，执行S306即该预设的MAC实体为SCG MAC实体。另外，选择执行S307则向第一基站发送该分裂承载的上行数据，选择执行S306则向第二基站发送该分裂承载的上行数据。
可选地，作为一个实施例，UE可以在与该裂承载相关的BSR还没有被触发或上报之前，可以根据第一预设门限值，确定执行S307和/或S306。若该分裂承载的上行数据大于或等于第一预设门限值，执行S307和S306，其中，执行S307包括UE根据确定的第一PBR在与第一基站相关的MCG MAC实体中执行第一LCP过程，并向第一基站发送该分裂承载的上行数据中的部分数据；执行S306包括：根据第二PBR在与第二基站相关的SCG MAC实体中执行第二LCP过程，并向第二基站发送该分裂承载的上行数据中的部分数据。当该分裂承载的上行数据小于该第一预设门限值时，确定执行S307或S306，则UE根据初始PBR在预设的MAC实体层执行LCP过程，其中，执行S307即该预设的MAC实体为MCG MAC实体，执行S306即该预设的MAC实体为SCG MAC实体。另外，选择执行S307则向第一基站发送该分裂承载的上行数据，选择执行S306则向第二基站发送该分裂承载的上行数据。
可选地，作为一个实施例，UE可以在添加该裂承载时，触发UE发送与该分裂承载相关的BSR进行上报，之后可以执行S308。其中，与该分裂承载相关的BSR为包括该分裂承载的BSR或包括该分裂承载所在的LCG的BSR。
可选地，作为一个实施例，UE可以在添加该裂承载时，将该分裂承载的数据延迟发送，直到与该分裂承载相关的BSR上报之后，再执行S308。其中，与该分裂承载相关的BSR为包括该分裂承载的BSR或包括该分裂承载所在的LCG的BSR。
在S306中，根据S305的确定结果，相应的，执行第二LCP过程，UE 确定向SeNB发送该分裂承载的上行数据中的部分或全部数据。
在S307中，根据S305的确定结果，相应的，执行第一LCP过程，UE确定向MeNB发送该分裂承载的上行数据中的部分或全部数据。
在S308中，UE根据预设第二门限值确定向第一基站和/或第二基站发送BSR。具体地，当UE确定当前分裂承载的上行数据的数据量(PDCR层数据量)大于或等于第二预设门限值时，UE执行S309和S310，即触发UE向第一基站和第二基站都发送BSR，可选地，向第一基站发送的第一BSR与向第二基站发送的第二BSR可以相同，也可以不相同。当UE确定当前分裂承载的上行数据的数据量小于该第二预设门限值时，UE执行S309或S310，即触发UE向第一基站或第二基站发送BSR，其中，该BSR包括当前分裂承载的上行数据的数据量M。
可选地，作为一个实施例，当触发UE向第一基站和第二基站都发送BSR时，可选地，向第一基站发送的第一BSR与向第二基站发送的第二BSR可以相同，都包括分裂承载的上行数据的数据量M。可选地，向第一基站发送的第一BSR与向第二基站发送的第二BSR也可以不相同，第一BSR中包括该分裂承载的上行数据的数据量中的第一数据量，第二BSR中包括该分裂承载的上行数据的数据量中的第二数据量，第一数据量与第二数据量之和大于或等于分裂承载的上行数据的数据量M。
具体地，可以通过下面的方式确定第一数据量和第二数据量：
向SeNB上报的第二数据量＝M*X，其中X为S301中的第一比值；或者，向SeNB上报的第二数据量＝M*(PBR_SeNB/初始PBR)，其中PBR_SeNB为S301中的第二PBR；
向MeNB上报的第一数据量＝M-第一数据量；或者，向MeNB上报的第一数据量＝M*Y，其中Y为S301中的第二比值；或者，向MeNB上报的第一数据量＝M*(PBR_MeNB/初始PBR)，其中PBR_MeNB为S301中的第一PBR。
在本发明实施例中，可以按照BSR的触发条件，多次发送BSR，每次发送BSR的判断条件如S308。
在S309中，根据S308的判断结果，向第二基站SeNB发送第二BSR。
在S310中，根据S308的判断结果，向第一基站MeNB发送第一BSR。
在S311中，当根据S308的判断结果，判断执行S309和/或S310时， UE可以判断执行S312和S313。
可选地，作为一个实施例，当根据S308的判断结果S309和S310均执行之后，在下一次执行S308之前，即UE下一次发送BSR之前，可以执行S312和S313，向第一基站和第二基站发送分裂承载的上行数据。具体地，执行S313包括：UE根据确定的第一PBR在与第一基站相关的MCG MAC实体中执行第一LCP过程，并向第一基站发送该分裂承载的上行数据中的部分数据。执行S312包括：根据第二PBR在与第二基站相关的SCG MAC实体中执行第二LCP过程，并向第二基站发送该分裂承载的上行数据中的部分数据。
可选地，作为一个实施例，当根据S308的判断结果S309和S310均执行之后，在下一次执行S308之前，即UE下一次发送BSR之前，可以根据第一预设门限值，确定执行S312和S313。具体地，当该分裂承载的上行数据大于或等于第一预设门限值，执行S312和S313，其中，执行S313包括UE根据确定的第一PBR在与第一基站相关的MCG MAC实体中执行第一LCP过程，并向第一基站发送该分裂承载的上行数据中的部分数据；执行S312包括：根据第二PBR在与第二基站相关的SCG MAC实体中执行第二LCP过程，并向第二基站发送该分裂承载的上行数据中的部分数据。
可选地，作为一个实施例，当根据S308的判断结果S309和S310均执行之后，在下一次执行S308之前，即UE下一次发送BSR之前，可以根据第一预设门限值，确定执行S312和S313中的一个。具体地，当该分裂承载的上行数据小于第一预设门限值，执行S312或S313，则UE根据初始PBR在预设的MAC实体层执行LCP过程，其中，执行S313即该预设的MAC实体为MCG MAC实体，执行S312即该预设的MAC实体为SCG MAC实体。另外，选择执行S313则向第一基站发送该分裂承载的上行数据，选择执行S312则向第二基站发送该分裂承载的上行数据。
可选地，作为一个实施例，当根据S308的判断结果S309和S310只执行一个之后，在下一次执行S308之前，即UE下一次发送BSR之前，执行S312和S313中的一个。具体地，UE根据初始PBR在预设的MAC实体层执行LCP过程，其中，执行S313即该预设的MAC实体为MCG MAC实体，执行S312即该预设的MAC实体为SCG MAC实体。另外，选择执行S313则向第一基站发送该分裂承载的上行数据，选择执行S312则向第二基站发 送该分裂承载的上行数据。
可选地，作为一个实施例，当根据S308的判断结果S309和S310只执行一个之后，在下一次执行S308之前，即UE下一次发送BSR之前，可以根据第一预设门限值，确定执行S312和S313。具体地，当该分裂承载的上行数据大于或等于第一预设门限值，执行S312和S313，其中，执行S313包括UE根据确定的第一PBR在与第一基站相关的MCG MAC实体中执行第一LCP过程，并向第一基站发送该分裂承载的上行数据中的部分数据；执行S312包括：根据第二PBR在与第二基站相关的SCG MAC实体中执行第二LCP过程，并向第二基站发送该分裂承载的上行数据中的部分数据。
可选地，作为一个实施例，当根据S308的判断结果S309和S310只执行一个之后，在下一次执行S308之前，即UE下一次发送BSR之前，可以根据第一预设门限值，执行S312和S313中的一个。具体地，当该分裂承载的上行数据小于第一预设门限值，执行S312或S313，则UE根据初始PBR在预设的MAC实体层执行LCP过程，其中，执行S313即该预设的MAC实体为MCG MAC实体，执行S312即该预设的MAC实体为SCG MAC实体。另外，选择执行S313则向第一基站发送该分裂承载的上行数据，选择执行S312则向第二基站发送该分裂承载的上行数据。
在本发明实施例中，第一预设门限值和第二预设门限值可以相等，也可以不相等，第一预设门限值和第二预设门限值可以预先设置在UE中，也可以通过第一基站向UE发送指示信息，该指示信息中包括第一预设门限值和第二预设门限值。
在S312中，根据S311的确定结果，相应的，执行第二LCP过程，UE确定向SeNB发送该分裂承载的上行数据中的部分或全部数据。
在S313中，根据S311的确定结果，相应的，执行第一LCP过程，UE确定向MeNB发送该分裂承载的上行数据中的部分或全部数据。
应理解，在本发明实施例中，“与A相应的B”表示B与A相关联，根据A可以确定B。但还应理解，根据A确定B并不意味着仅仅根据A确定B，还可以根据A和/或其它信息确定B。
另外，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。
应理解，在本发明的各种实施例中，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，而不应对本发明实施例的实施过程构成任何限定。
因此，本发明实施例的用于分裂承载的上行数据传输的方法，用户设备根据确定的第一预设门限值和PBR配置信息中的至少一个，确定执行与第一基站相对应的第一LCP过程，和/或执行与第二基站相对应的第二LCP过程，也将分裂承载的上行数据向主基站和/或次基站发送，还可以根据预第二设门限值确定向第一基站和/或第二基站发送BSR，以便于基站分配上行资源，从而能够灵活确定如何通过分裂承载来执行进行上行数据传输。
上文中结合图1至图7，详细描述了根据本发明实施例的用于分裂承载的上行数据传输的方法，下面将结合图8，描述根据本发明实施例的用于分裂承载的上行数据传输的装置。
图8示出了根据本发明实施例的用于上行数据传输的用户设备300的示意性流程图，该用户设备300包括：
确定模块410，用于确定第一预设门限值和分裂承载的优先比特率PBR配置信息中的至少一个；
处理模块420，用于根据该确定模块410确定的该第一预设门限值和该PBR配置信息中的至少一个，执行与该第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与该第二基站相对应的第二LCP过程。
具体地，针对分裂承载来说，用户设备UE通过确定模块410确定第一预设门限值和PBR配置信息中的至少一个，该第一预设门限值和PBR配置信息可以预先配置在UE中，也可以接收第一基站，也就是主基站MeNB发送的配置信息，该配置信息中可以包括该第一预设门限值和PBR配置信息中的至少一个。UE的处理模块420根据确定模块410确定的第一预设门限值进行处理，当分裂承载的上行数据的数据量大于或等于该第一预设门限值的时候，则UE的处理模块420执行与第一基站相对应的第一LCP过程，且执行与第二基站相对应的第二LCP过程，当分裂承载的上行数据的数据量小于该第一预设门限值的时候，则UE的处理模块420选择执行与第一基站相对应的第一LCP过程，或者执行与第二基站相对应的第二LCP过程。另外，也可以根据第一基站发送PBR配置信息，处理模块420执行与第一基 站相对应的第一LCP过程，和/或执行与第二基站相对应的第二LCP过程，并将分裂承载的上行数据按比例进行分配，分别向第一基站和/或第二基站发送该分裂承载的上行数据。
因此，本发明实施例的用于分裂承载的上行数据传输的用户设备，根据确定的预设门限值和PBR配置信息中的至少一个，确定执行与第一基站相对应的第一LCP过程，和/或执行与第二基站相对应的第二LCP过程，也将分裂承载的上行数据向主基站和/或次基站发送，从而能够灵活确定如何通过分裂承载来执行进行上行数据传输。
在本发明实施例中，用户设备UE由确定模块410确定第一预设门限值和PBR配置信息中的至少一个，其中，PBR配置信息可以包括用于指示UE执行与第一基站相对应的第一LCP过程，和执行与第二基站相对应的第二LCP过程的信息，也可以包括在执行LCP过程中所需参数的配置信息。可旋风地，该第一基站可以为MeNB，第二基站可以为SeNB。
在本发明实施例中，该第一预设门限值和PBR配置信息可以预先设定在UE中，也可以通过UE的接收模块，接收第一基站发送的信息，确定模块410确定该第一预设门限值和PBR配置信息。其中，该PBR配置信息可以包括一定的预设规则，可选地，根据该预设规则，UE可以确定执行第一LCP过程和/或执行第二LCP过程，也可以在执行LCP过程中所用的参数，也可以确定向第一基站和第二基站发送的分裂承载的上行数据如何分配，本发明并不限于此。该第一预设门限值可以用于用户设备确定执行第一LCP过程和/或执行第二LCP过程。
可选地，在本发明实施例中，UE可以通过接收模块接收的第一基站发送的配置信息，再由确定模块410确定第一预设门限值和PBR配置信息中的至少一个。具体地，对于分裂承载，用户设备分别与第一基站和第二基站建立RRC连接，第一基站可以向UE发送配置信息，根据该配置信息，UE与第一基站和第二建立RRC连接，即该配置信息中包括UE与第一基站以及第二基站建立RRC连接时所需要的配置信息。可选地，该配置信息中还可以包括第一预设门限值和PBR配置信息中的至少一个，则UE也可以根据第一基站发送的该配置信息，确定第一预设门限值和PBR配置信息中的至少一个。
在本发明实施例中，UE的确定模块410确定的PBR配置信息中可以包 括PBR的配置方法，根据该PBR配置信息，UE可以确定向第一基站和第二基站发送的数据的数据量。可选地，该PBR配置信息可以包括一个比例信息，即第一比值，UE根据该第一比值分配第一PBR和第二PBR，进而也可以确定分裂承载的上行数据分别向第一基站和第二基站发送的数据量。例如，该PBR配置信息中包括第一比值X，然后UE可以通过“X*初始PBR”可以计算得到针对于第一基站MeNB的第一PBR，记作PBR_MeNB。另外，该PBR配置信息中也可以包括第二比值Y，然后UE通过“Y*初始PBR”计算得到针对第二基站SeNB的第二PBR，记作PBR_SeNB，其中初始PBR为UE分裂承载的上行数据的初始PBR，可选的，X和Y满足X+Y＝1或者X+Y>1，本发明并不限于此。可选地，该PBR配置信息中也可以包括初始PBR。可选地，当PBR配置信息中只包括第一比值和第二比值中的一个时，例如，该PBR配置信息中包括第一比值，则可以通过初始PBR与第一PBR的差值确定第二PBR；同样地，PBR配置信息也可以包括第二比值，则可以通过初始PBR与第二PBR的差值确定第一PBR。
可选地，该PBR配置信息中包括PBR的配置方法，还可以为包括PBR_MeNB和/或PBR_SeNB，其中，PBR_MeNB表示在第一LCP过程中，针对第一基站MeNB的第一PBR，PBR_SeNB表示在第二LCP过程中，针对第二基站SeNB的第二PBR，且满足PBR_MeNB+PBR_SeNB≥初始PBR，初始PBR为分裂承载的上行数据的初始PBR。可选地，该PBR配置信息也可以包括初始PBR。
在本发明实施例中，用户设备UE的处理模块420根据第一预设门限值和PBR配置信息中的至少一个，确定执行与第一基站相对应的第一LCP过程，和/或执行与第二基站相对应的第二LCP过程，进而相应的向该第一基站和/或该第二基站发送该分裂承载的上行数据。具体地，UE可以根据该预设门限值判断执行与第一基站相对应的第一LCP过程，和/或执行与第二基站相对应的第二LCP过程；UE也可以根据指示信息，确定执行与第一基站相对应的第一LCP过程，和执行与第二基站相对应的第二LCP过程。
在本发明实施例中，UE可以先通过确定模块410确定分裂承载的上行数据的初始PBR，该初始PBR能够保证当分裂承载的上行数据仅仅通过一个eNB分配的上行资源进行传输时，在执行LCP过程中所需要的PBR，可选地，该初始PBR可以包括在PBR配置信息中，根据PBR配置信息确定该 PBR，本发明并不限于此。
在本发明实施例中，UE的处理模块420执行与第一基站相对应的第一LCP过程，和执行与第二基站相对应的第二LCP过程，包括：根据PBR配置信息，分别确定第一PBR和第二PBR，且第一PBR与第二PBR之和大于等于初始PBR；在与第一基站，即MeNB，相关联的小区组(MCG)的MAC实体层，根据第一PBR，执行第一LCP过程；并且，在与第二基站SeNB相关联的小区组(SCG)的MAC实体层，根据第二PBR执行二LCP过程，也就是根据分配的不同的PBR，同时执行第一LCP过程和第二LCP过程。
同样地，UE的处理模块420执行与第一基站相对应的第一LCP过程，或执行与第二基站相对应的第二LCP过程，则包括：在与第一基站MeNB，相关联的小区组(MCG)的MAC实体层，根据初始PBR，执行第一LCP过程，或者是在与第二基站SeNB相关联的小区组(SCG)的MAC实体层，根据初始PBR执行二LCP过程。也就是根据初始PBR，选择执行第一LCP过程或第二LCP过程。
具体地，UE的处理模块420可以根据第一预设门限值，确定执行与第一基站相对应的第一LCP过程，和/或执行与第二基站相对应的第二LCP过程。当分裂承载的上行数据的数据量大于或等于该第一预设门限值时，UE根据第一PBR执行第一LCP过程，也根据第二PBR执行第二LCP过程，也就是将该分裂承载的上行数据向第一基站和第二基站共同发送。例如，UE可以将该分裂承载的上行数据进行分配，向第一基站发送的数据量与向第二基站发送的数据量之和大于或等于该分裂承载的上行数据；UE还可以根据PBR配置信息，计算出在第一LCP过程中，针对第一基站MeNB的第一PBR表示为PBR_MeNB；在第二LCP过程中，针对第二基站SeNB的第二PBR表示为PBR_SeNB，则向MeNB发送的数据量＝M*(PBR_MeNB/PBR)；向SeNB发送的数据量＝M*(PBR_SeNB/PBR)，或者向SeNB上报的数据量＝M-向MeNB上报的数据量，其中M表示分裂承载的上行数据的数据量。
可选地，当分裂承载的上行数据的数据量小于该第一预设门限值时，UE的处理模块420执行与第一基站相对应的第一LCP过程，或执行与第二基站相对应的第二LCP过程，也就是将该分裂承载的上行数据向第一基站和第二基站中的一个基站发送。具体地，UE可以根据预先设定的规则选择一 个基站，例如，UE确定分裂承载的上行数据小于第一预设门限值后，确定了第一基站，则根据初始PBR，执行第一LCP过程，向该第一基站发送分裂承载的上行数据；或者，UE确定了第二基站，则根据初始PBR，执行第二LCP过程，向该第二基站发送分裂承载的上行数据。可选地，UE根据预设规则选择一个基站，该预设规则可以为预先设置在UE中，也可以根据第一基站发送的配置信息中携带的指示信息，确定第一基站或第二基站。
在本发明实施例中，UE可以以一定的时间长度为周期，在一个时间周期开始时判断一次，确定执行第一LCP过程和第二LCP过程，向第一基站和第二基站各传输一部分分裂承载的上行数据；或确定执行第一LCP过程或者执行第二LCP过程，对应的将分裂承载的上行数据传输到第一基站和第二基站中的一个基站，并在该时间周期内，按照同一种方式传输数据。可选地，该时间周期的长度可以根据实际情况进行确定，本发明并不限于此。
在本发明实施例中，当UE向第一基站和第二基站都发送分裂承载的上行数据时，UE可以根据分裂承载的上行数据的初始PBR，分别确定在MCG的MAC实体使用PBR_MeNB和SCG的MAC实体使用PBR_SeNB分别执行LCP过程，再将该分裂承载的上行数据进行分配，分别确定向第一基站发送的数据量和向第二基站发送的数据量。当UE向第一基站和第二基站中的一个基站发送分裂承载的上行数据时，则UE可以根据分裂承载的上行数据的初始PBR，在MCG的MAC实体使用初始PBR执行LCP过程，或在SCG的MAC实体使用初始PBR执行LCP过程，对应地再向确定的第一基站或第二基站传输分裂承载的上行数据，即在MCG的MAC实体使用初始PBR来执行LCP时，向第一基站MeNB传输该分裂承载的上行数据，在SCG的MAC实体使用初始PBR来执行LCP时，向第二基站SeNB传输该分裂承载的上行数据。
因此，本发明实施例的用于分裂承载的上行数据传输的用户设备，根据确定的门限值和PBR配置信息中的至少一个，确定执行与第一基站相对应的第一LCP过程，和/或执行与第二基站相对应的第二LCP过程，也将分裂承载的上行数据向主基站和/或次基站发送，从而能够灵活确定如何通过分裂承载来执行进行上行数据传输。
可选地，在本发明实施例中，如图9所示，该用户设备300还包括：
第一发送模块430，用于当该分裂承载的上行数据的数据量大于或等于 第二预设门限值时，向该第一基站发送第一缓存状态报告，且向该第二基站发送第二缓存状态报告，其中，该第一缓存状态报告和该第二缓存状态报告均包括该分裂承载的上行数据的总数据量，或该第一缓存状态报告包括该分裂承载的上行数据中向该第一基站发送的第一数据量，且该第二缓存状态报告包括该分裂承载的上行数据中向该第二基站发送的第二数据量；
第二发送模块440，用于当该分裂承载的上行数据的数据量小于该第二预设门限值时，向该第一基站发送第一缓存状态报告，或向该第二基站发送第二缓存状态报告，该第一缓存状态报告和该第二缓存状态报告均包括该总数据量。
在本发明实施例中，在没有触发UE发送分裂承载的上行数据的缓存状态报告(Buffer Status Report，简称BSR)之前，UE可以通过确定模块410和处理模块420，确定执行与第一基站相对应的第一LCP过程，和/或执行与第二基站相对应的第二LCP过程，也确定向第一基站和/或第二基站发送该分裂承载的上行数据。可选地，当UE有新的分裂承载的上行数据需要发送时，可以触发UE通过第一发送模块430和/或第二发送模块440向基站发送BSR，以便于基站配置上行资源；或者UE可以延迟发送该新的分裂承载的上行数据，直到触发UE通过第一发送模块430和/或第二发送模块440发送了关于该新的分裂承载的上行数据的BSR后，再向基站发送该分裂承载的上行数据。当触发UE发送BSR时，则根据第二预设门限值，UE确定向第一基站和/或第二基站发送该BSR。
在本发明实施例中，为了协助网络侧为UE调度上行资源，UE需要向eNB发送BSR，eNB收到BSR后，可以近似得到UE真正需要发送的上行数据量，以使得eNB根据UE上报的BSR确定调度多少上行传输资源。可选地，对于每个逻辑信道，eNB可以将其分配到一个逻辑信道组(Logical Channel Group，简称“LCG”)中，引入LCG的目的，主要是为了降低信令开销。因为，如果为每一个逻辑信道上报一个BSR，会带来大量的信令开销。
在本发明实施例中，BSR通过MAC层的BSR MAC控制实体(MAC Control Element)上报，BSR可以包括短BSR(Short BSR)和长BSR(Long BSR)两种格式。其中，如图4所示，短BSR分为短BSR和截断的BSR(Truncated BSR)，Short BSR或Truncated BSR格式只能上报一个LCG的BSR。其格式由一个LCG ID域和一个对应的缓存尺寸(Buffer Size)域组成； 如图5所示，Long BSR格式包含了4个Buffer Size域，分别对应LCG ID 0～3。该格式会将所有LCG的Buffer Size一起上报给eNodeB。
具体地，LCG ID域长一般为2bit，用于指示上报的BSR对应的LCG，其值与IE:Logical Channel Config的Logical Channel Group字段对应。Buffer Size域长为6bit，用于指示UE在发送这个BSR的TTI内的所有MAC PDU都生成以后，对应LCG的所有逻辑信道的无线链路控制(Radio Link Control，简称“RLC”)层和PDCP层中剩余的可用于传输的有效数据的总和，该数据量可以以byte为单位，但不将RLC头部和MAC头部信息计算在内。
在本发明实施例中，RRC一般通过配置两个定时器，即周期性BSR定时器(periodic BSR-Timer)和BSR重传定时器(retxBSR-Timer)来控制BSR的上报。具体地，触发UE发送BSR的条件可以包括以下几种。第一种是当BSR为空且有新数据到达时，可以触发UE发送BSR。具体地，当所有的LCG的所有逻辑信道上都没有分裂承载的上行数据时，如果此时任意一个LCG的任意一个逻辑信息存在分裂承载的上行数据时，则可以触发UE发送BSR。例如，UE第一次发送BSR。该BSR可以称为“Regular BSR”。
可选地，作为一个实施例，第二种触发条件可以是高优先级逻辑信道的数据到达。具体地，当高优先级的逻辑信道中有数据到达时，且该高优先级逻辑信道的优先级，比当前有数据可以传输的任意一个逻辑信道的优先级都要高时，也可以触发UE发送BSR，该BSR也可以称为“Regular BSR”。
可选地，作为一个实施例，第三种触发条件可以为根据重传超时定时器，触发UE发送BSR。具体地，为例提高BSR的健壮性，在LTE中提供了一个重传BSR的机制，为了避免UE发送了BSR之后，没有在一定时间内收到基站分配的上行资源，重传定时器超时时，也可以触发UE发送BSR。
可选地，作为一个实施例，第四种触发条件可以为周期性发送BSR。具体地，根据周期定时器，UE按照一定的周期向基站更新BSR，例如，数据到达UE、UE发送BSR的时间，与UE收到上行传输资源(UL grant)的时间是不同步的，也就是UE发送BSR以及接收UL grant的同时，也在不停地向BSR中填充数据，因此，UE需要周期性地更新分裂承载的上行数据量，也就需要周期性上报BSR。该BSR可以称为“Periodic BSR”。
可选地，作为一个实施例，第五种触发条件可以为填充触发。具体地，当UE上有上行资源，且需要发送的上行数据不足以填满该上行资源时，多 余的比特bit可以容纳BSR的话，则可以使用这些bit来发送BSR，该BSR称为“Padding BSR”。
在本发明实施例中，上述五种触发UE发送BSR的条件，可以设置其中一种或多种，当设置了多种条件时，可以设置为满足其中一个即可触发，也可以设置为满足多个才可以触发，本发明并不限于此。
在本发明实施例中，当触发了UE发送BSR时，UE可以通过判断分裂承载的上行数据的数据量与第二预设门限值的大小关系，确定通过第二发送模块440向第一基站和第二基站中的一个基站发送BSR，或是通过第一发送模块430向两个基站都发送BSR。
在本发明实施例中，当该分裂承载的上行数据的数据量大于或等于该第二预设门限值时，则UE通过第一发送模块430将该分裂承载的上行数据的BSR向该第一基站和该第二基站都发送；当该第二分裂承载的上行数据的数据量小于该第二预设门限值时，向该第一基站和该第二基站中的一个基站发送该BSR。具体地，当该分裂承载的上行数据的数据量大于或等于该第二预设门限值时，UE向第一基站发送第一BSR，也向第二基站发送第二BSR，其中，第一BSR可以包括该分裂承载的上行数据的总数据量，且第二BSR也包括该上行数据的总数据量，或者第一BSR包括该分裂承载的上行数据中的第一数据量，第二BSR包括该分裂承载的上行数据中的第二数据量。当该分裂承载的上行数据的数据量小于该第二预设门限值时，UE选择一个基站发送BSR，即UE可以向第一基站发送第一BSR，或者向第二基站发送第二BSR，其中，向第一基站发送第一BSR时，该第一BSR包括该分裂承载的上行数据的总数据量；向第二基站发送第二BSR时，该第二BSR包括该分裂承载的上行数据的总数据量。
具体地，当该分裂承载的上行数据的数据量大于或等于该第二预设门限值时，UE向第一基站发送第一BSR，也向第二基站发送第二BSR。其中，第一BSR可以包括该分裂承载的上行数据的总数据量，且第二BSR也包括该上行数据的总数据量，或者第一BSR包括该分裂承载的上行数据中的第一数据量，第二BSR包括该分裂承载的上行数据中的第二数据量。对于第一BSR包括第一数据量，第二BSR包括的第二数据量，可以分别根据第一PBR和第二PBR来确定，具体地，第一数据量＝M*(第一PBR/初始PBR)，而第二数据量可以通过M与第一数据量的差值获得，或者第二数据量＝M* (第二PBR/初始PBR)，其中，M表示该分裂承载的上行数据的总数据量。同样地，也可以先确定第二数据量＝M*(第二PBR/初始PBR)，再通过M与第二数据量的差值确定第一数据量。可选地，M表示该分裂承载的上行数据的总数据量，该总数据量可以为PDCP层的上行数据的总数据量，也可以为其它层上行数据的总数据量，本发明并不限于此。
可选地，当该分裂承载的上行数据的数据量小于该第二预设门限值时，UE通过第二发送模块440向第一基站发送第一BSR，或者第二基站发送第二BSR，其中对于第一BSR和第二BSR，均包括该分裂承载的上行数据的总数据量。可选地，该总数据量可以为PDCP层的上行数据的总数据量，也可以为其它层上行数据的总数据量，本发明并不限于此。
可选地，作为一个实施例，当该分裂承载的上行数据的数据量大于或等于该第二预设门限值时，UE通过第一发送模块430向第一基站发送第一BSR，也向第二基站发送第二BSR。在发送了该BSR之后，在UE向第一基站和/或第二基站再次发送BSR之前，UE可以在每个TTI内，根据初始PBR确定第一PBR和第二PBR，根据第一PBR在MCG MAC实体层执行第一LCP过程，并根据第二PBR在SCG MAC实体层执行第二LCP过程，即将分裂承载的上行数据分别向第一基站和第二基站传输。
可选地，作为一个实施例，当该分裂承载的上行数据的数据量大于或等于该第二预设门限值时，UE的第一发送模块430向第一基站发送第一BSR，也向第二基站发送第二BSR。在发送了该BSR之后，在UE向第一基站和/或第二基站再次发送BSR之前，UE可以在每个TTI内，根据第一预设门限值确定执行第一LCP过程和/或执行第二LCP过程。具体地，当任一TTI内，分裂承载的上行数据的数据量大于或等于第一预设门限值时，则根据初始PBR确定第一PBR和第二PBR，根据第一PBR在MCG MAC实体层执行第一LCP过程，并根据第二PBR在SCG MAC实体层执行第二LCP过程，即将分裂承载的上行数据分别向第一基站和第二基站传输。当任一TTI内，分裂承载的上行数据的数据量小于第一预设门限值时，则根据初始PBR在MCG MAC实体层执行第一LCP过程，即向第一基站传输分裂承载的上行数据，或者根据初始PBR在SCG MAC实体层执行第二LCP过程，即向第二基站传输分裂承载的上行数据。
可选地，作为一个实施例，当该分裂承载的上行数据的数据量小于该第 二预设门限值时，UE的第二发送模块440向第一基站发送第一BSR，或者向第二基站发送第二BSR。在发送了该BSR之后，在UE向第一基站和/或第二基站再次发送BSR之前，UE可以在每个TTI内，向发送了BSR的基站发送分裂承载的上行数据。具体地，UE可以根据一定规则，确定向第一基站或者第二基站发送BSR，例如，UE确定向第一基站发送BSR，则根据初始PBS在MCG MAC实体层执行第一LCP过程，即向第一基站传输分裂承载的上行数据。又例如，UE确定向第二基站发送BSR，则根据初始PBS在SCG MAC实体层执行第二LCP过程，即向第二基站传输分裂承载的上行数据。
可选地，作为一个实施例，当该分裂承载的上行数据的数据量小于该第二预设门限值时，UE的第二发送模块440向第一基站发送第一BSR，或者向第二基站发送第二BSR。在发送了该BSR之后，在UE向第一基站和/或第二基站再次发送BSR之前，UE可以在每个TTI内，根据第一预设门限值确定执行第一LCP过程和/或执行第二LCP过程。具体地，当任一TTI内，分裂承载的上行数据的数据量大于或等于第一预设门限值时，则根据初始PBR确定第一PBR和第二PBR，根据第一PBR在MCG MAC实体层执行第一LCP过程，并根据第二PBR在SCG MAC实体层执行第二LCP过程，即将分裂承载的上行数据分别向第一基站和第二基站传输。当任一TTI内，分裂承载的上行数据的数据量小于第一预设门限值时，则根据初始PBR在MCG MAC实体层执行第一LCP过程，即向第一基站传输分裂承载的上行数据，或者根据初始PBR在SCG MAC实体层执行第二LCP过程，即向第二基站传输分裂承载的上行数据。
在本发明实施例中，可选地，该第一预设门限值可以和第二预设门限值相等，也可以不相等，本发明并不限于此。
应理解，在本发明实施例中，“与A相应的B”表示B与A相关联，根据A可以确定B。但还应理解，根据A确定B并不意味着仅仅根据A确定B，还可以根据A和/或其它信息确定B。
另外，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。
应理解，根据本发明实施例的用于分裂承载的上行数据传输的用户设备400可对应于执行本发明实施例中的方法100，并且用户设备400中的各个模块的上述和其它操作和/或功能分别为了实现图2至图5中的各个方法的相应流程，为了简洁，在此不再赘述。
因此，本发明实施例的用于分裂承载的上行数据传输的用户设备，根据确定的第一预设门限值和PBR配置信息中的至少一个，确定执行与第一基站相对应的第一LCP过程，和/或执行与第二基站相对应的第二LCP过程，也将分裂承载的上行数据向主基站和/或次基站发送，还可以根据预第二设门限值确定向第一基站和/或第二基站发送BSR，以便于基站分配上行资源，从而能够灵活确定如何通过分裂承载来执行进行上行数据传输。
如图10所示，根据本发明实施例的用于分裂承载的上行数据传输的第一基站500包括：
发送模块510，用于向该用户设备发送配置信息，该配置信息至少包括预设门限值和该分裂承载的优先比特率PBR配置信息中的一个，该配置信息用于该用户设备确定执行与该第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与该第二基站相对应的第二LCP过程；
接收模块520，用于接收该用户设备根据该配置信息发送的全部或部分该分裂承载的上行数据。
因此，本发明实施例的用于分裂承载的上行数据传输的第一基站，向用户设备发送包括预设门限值和PBR信息中的至少一个的配置信息，以便于用户设备确定执行与第一基站相对应的第一LCP过程，和/或执行与第二基站相对应的第二LCP过程，也将分裂承载的上行数据向第一基站和/或次第二站发送，从而能够灵活确定如何通过分裂承载来执行进行上行数据传输。
在本发明实施例中，第一基站的发送模块510向用户设备发送配置信息，该配置信息可以用于指示用户设备与第一基站和第二基站分别建立RRC连接。该配置信息中还可以包括预设门限值和PBR配置信息中的至少一个，其中，该PBR配置信息可以包括用于指示该用户设备执行与该第一基站相对应的第一LCP过程，和与该第二基站相对应的第二LCP过程的信息，也可以包括用于指示用户设备向第一基站发送的数据量和向第二基站发送的数据量的信息。具体地，该第一基站可以为MeNB，第二基站可以为SeNB。
具体地，在本发明实施例中，当需要添加分裂承载时，第一基站MeNB 可以通过发送模块510向第二基站SeNB发送SeNB增加请求消息或SeNB修改请求消息，该SeNB增加或修改请求消息中包含MeNB确定的为UE新添加的分裂承载。可选地，该SeNB增加或修改请求消息中还还可以包括PBR配置信息，该PBR配置信息可以包括为分裂承载配置的初始PBR以及分裂的PBR的信息。
在本发明实施例中，初始PBR表示保证该分裂承载的QoS需要保证的PBR，也就是该分裂承载仅仅使用一个eNB(MeNB或SeNB)分配的上行资源(UL grants)执行LCP，并通过该eNB进行上行数据传输时需要使用的PBR。
在本发明实施例中，该分裂的PBR的信息表示该分裂承载在两个eNB(MeNB和SeNB)分别分配的上行资源(UL grants)执行LCP，并通过MeNB和SeNB进行上行数据传输时需要使用的PBR。
具体地，该分裂的PBR的信息可以包括一个比例信息，以便于SeNB接收到该分裂的PBR的信息时，确定SeNB的分裂PBR。例如，MeNB在SeNB增加或请求消息中指示第二比值X，然后SeNB可以通过“X*初始PBR”可以计算得到针对于SeNB的分裂PBR，记作PBR_SeNB。同样地，MeNB也可以将该比例信息发送给UE，UE根据该比例信息确定PBR_SeNB，MeNB还可以向UE发送第一比值Y，UE通过“Y*初始PBR”计算得到针对MeNB的分裂PBR，记作PBR_MeNB。
可选地，作为一个实施例，MeNB在SeNB增加或修改请求消息中还可以指示UE在LCP过程中应该针对SeNB使用的分裂PBR，即PBR_SeNB。以及进一步地，在SeNB增加或修改请求消息中还可以指示UE在LCP过程中应该针对MeNB使用的分裂PBR，即PBR_MeNB，其中，PBR_SeNB+PBR_MeNB≥初始PBR。可选地，MeNB也可以将PBR_SeNB以及PBR_MeNB发送给UE，以便于UE根据该信息分配分裂承载的上行数据。
在本发明实施例中，第二基站接收到第一基站发送的包括指示信息的请求消息后，可以向第一基站发送请求消息的确定消息，第一基站通过接收模块520接收该确定消息，该确定消息中可以包括关于该分裂承载的配置信息，以便于第一基站将该配置信息发送给UE，UE根据该配置信息建立RRC链接。
在本发明实施例中，第一基站的发送模块510向UE发送包括预设门限值和PBR配置信息中的至少一个的配置信息，该PBR配置信息中可以包括初始PBR和分裂PBR信息，以便于UE接收到该配置信息后，确定预设门限值和PBR配置信息中的至少一个，并根据预设门限值和PBR配置信息中的至少一个，确定执行与第一基站相对应的第一LCP过程，和/或执行与第二基站相对应的第二LCP过程，也确定向第一基站和/或第二基站发送的分裂承载的上行数据的数据量。
在本发明实施例中，第一基站的接收模块520接收该用户设备根据该配置信息发送的全部或部分该分裂承载的上行数据。具体地，当UE确定只向第一基站发送分裂承载的上行数据时，则第一基站接收UE发送的全部分裂承载的上行数据；当UE确定只向第二基站发送分裂承载的上行数据时，第一基站不接收数据；当UE确定向第一基站和第二基站发送分裂承载的上行数据时，则第一基站接收分裂承载的上行数据中的一部分数据，另一部分由第二基站接收，具体接收的数据量可以由UE确定，本发明并不限于此。
可选地，作为一个实施例，第一基站的接收模块520还可以接收UE根据配置信息发送的缓存状态报告BSR，并根据该BSR配置上行资源，以便于UE发送上行数据。具体地，当UE根据第二预设门限值确定向第一基站和/或第二基站发送BSR，当UE确定向第一基站发送了该BSR时，第一基站可以根据接收到的该BSR确定UE向第一基站发送的上行数据的第一数据量，根据该第一数据量配置上行资源给UE，以便于UE通过该上行资源向第一基站传输上行数据。
应理解，根据本发明实施例的用于分裂承载的上行数据传输的第一基站500可对应于执行本发明实施例中的方法200，并且第一基站500中的各个模块的上述和其它操作和/或功能分别为了实现图6中的各个方法的相应流程，为了简洁，在此不再赘述。
因此，本发明实施例的用于分裂承载的上行数据传输的第一基站，向用户设备发送包括预设门限值和PBR信息中的至少一个的配置信息，以便于用户设备确定执行与第一基站相对应的第一LCP过程，和/或执行与第二基站相对应的第二LCP过程，也将分裂承载的上行数据向第一基站和/或次第二站发送，从而能够灵活确定如何通过分裂承载来执行进行上行数据传输。
如图11所示，本发明实施例还提供了一种用于分裂承载的上行数据传 输的用户设备600，包括处理器610、存储器620、总线系统630和收发器640。其中，处理器610、存储器620和收发器640通过总线系统630相连，该存储器620用于存储指令，该处理器610用于执行该存储器620存储的指令，以控制收发器640收发信号。其中，该处理器610可以调用存储器620中存储的程序代码执行以下操作：确定第一预设门限值和该分裂承载的优先比特率PBR配置信息中的至少一个；根据该第一预设门限值和该PBR配置信息中的至少一个，执行与该第一基站相对应的第一逻辑信道优先级LCP过程和/或执行与该第二基站相对应的第二LCP过程。
因此，本发明实施例的用于分裂承载的上行数据传输的用户设备，根据确定的第一预设门限值和PBR配置信息中的至少一个，确定执行与第一基站相对应的第一LCP过程，和/或执行与第二基站相对应的第二LCP过程，也将分裂承载的上行数据向主基站和/或次基站发送，还可以根据预第二设门限值确定向第一基站和/或第二基站发送BSR，以便于基站分配上行资源，从而能够灵活确定如何通过分裂承载来执行进行上行数据传输。
应理解，在本发明实施例中，该处理器610可以是中央处理单元(Central Processing Unit，简称为“CPU”)，该处理器610还可以是其他通用处理器、数字信号处理器(DSP)、专用集成电路(ASIC)、现成可编程门阵列(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620可以包括只读存储器和随机存取存储器，并向处理器610提供指令和数据。存储器620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620还可以存储设备类型的信息。
该总线系统630除包括数据总线之外，还可以包括电源总线、控制总线和状态信号总线等。但是为了清楚说明起见，在图中将各种总线都标为总线系统630。
在实现过程中，上述方法的各步骤可以通过处理器610中的硬件的集成逻辑电路或者软件形式的指令完成。结合本发明实施例所公开的方法的步骤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620，处理器610读取存储器620中的信息，结合其 硬件完成上述方法的步骤。为避免重复，这里不再详细描述。
可选地，作为一个实施例，处理器610可以调用存储器620中存储的程序代码执行以下操作：该方法还包括：根据该PBR配置信息，确定该分裂承载的初始PBR；该执行与该第一基站相对应的第一逻辑信道优先级LCP过程，和执行与该第二基站相对应的第二LCP过程，包括：确定第一PBR和第二PBR，该第一PBR与该第二PBR之和大于或等于该初始PBR；根据该第一PBR，在该第一基站相关联的小区组的第一媒体接入控制MAC实体执行该第一LCP过程；根据该第二PBR，在该第二基站相关联的小区组的第二MAC实体执行该第二LCP过程。
可选地，作为一个实施例，处理器610可以调用存储器620中存储的程序代码执行以下操作：该执行与该第一基站相对应的第一逻辑信道优先级LCP过程，或执行与该第二基站相对应的第二LCP过程，包括：根据该初始PBR，在该第一基站相关联的小区组的第一MAC实体执行该第一LCP过程；或根据该初始PBR，在该第二基站相关联的小区组的第二MAC实体执行该第二LCP过程。
可选地，作为一个实施例，收发器640用于接收该第一基站发送的指示信息；处理器610可以调用存储器620中存储的程序代码执行以下操作：根据该指示信息，确定执行该第一基站对应的该第一LCP过程或执行该第二基站对应的该第二LCP过程。
可选地，作为一个实施例，处理器610可以调用存储器620中存储的程序代码执行以下操作：确定第一比值；根据该初始PBR与该第一比值的乘积确定该第一PBR；根据该初始PBR与该第一PBR的差值确定该第二PBR；或确定第二比值；根据该初始PBR与该第二比值的乘积确定该第二PBR；根据该初始PBR与该第二PBR的差值确定该第一PBR；或确定第一比值和第二比值；根据该初始PBR与该第一比值的乘积确定该第一PBR；根据该初始PBR与该第二比值的乘积确定该第二PBR。
可选地，作为一个实施例，处理器610可以调用存储器620中存储的程序代码执行以下操作：该PBR配置信息包括该第一比值和/或该第二比值。
可选地，作为一个实施例，处理器610可以调用存储器620中存储的程序代码执行以下操作：该PBR配置信息包括该第一PBR和/或该第二PBR，该确定第一PBR和第二PBR，包括：根据该PBR配置信息，确定该第一PBR 和该第二PBR。
可选地，作为一个实施例，处理器610可以调用存储器620中存储的程序代码执行以下操作：该根据该第一预设门限值和该PBR配置信息中的至少一个，执行与该第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与该第二基站相对应的第二LCP过程，包括：当该分裂承载的上行数据的数据量大于或等于该第一预设门限值时，执行与该第一基站相对应的该第一LCP过程，和执行与该第二基站相对应的该第二LCP过程。
可选地，作为一个实施例，处理器610可以调用存储器620中存储的程序代码执行以下操作：该根据该第一预设门限值和该PBR配置信息中的至少一个，执行与该第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与该第二基站相对应的第二LCP过程，包括：当该分裂承载的上行数据的数据量小于该第一预设门限值时，执行与该第一基站相对应的该第一LCP过程，或执行与该第二基站相对应的该第二LCP过程。
可选地，作为一个实施例，处理器610可以调用存储器620中存储的程序代码执行以下操作：该根据第一预设门限值和该PBR配置信息中的至少一个，执行与该第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与该第二基站相对应的第二LCP过程，包括：在向该第一基站和/或第二基站发送缓存状态报告之前，根据该第一预设门限值和该PBR配置信息中的至少一个，执行与该第一基站相对应的第一LCP过程，和/或执行与该第二基站相对应的该第二LCP过程。
可选地，作为一个实施例，处理器610可以调用存储器620中存储的程序代码执行以下操作：该根据第一预设门限值和该PBR配置信息中的至少一个，执行与该第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与该第二基站相对应的第二LCP过程，包括：当该分裂承载被增加时或者当该分裂承载的初始上行数据到达时，触发该用户设备向该第一基站和/或该第二基站发送缓存状态报告；在该用户设备向该第一基站和/或向该第二基站发送缓存状态报告之后，根据第一预设门限值和该PBR配置信息中的至少一个，执行与该第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与该第二基站相对应的第二LCP过程。
可选地，作为一个实施例，处理器610可以调用存储器620中存储的程序代码执行以下操作：该根据第一预设门限值和该PBR配置信息中的至少 一个，执行与该第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与该第二基站相对应的第二LCP过程，包括：当该分裂承载被增加时或者当该分裂承载的初始上行数据到达时，延迟发送该增加的分裂承载的上行数据或延迟发送该分裂承载的初始上行数据，直到该用户设备向该第一基站发送和/或该第二基站发送缓存状态报告。
可选地，作为一个实施例，收发器640用于：当该分裂承载的上行数据的数据量大于或等于第二预设门限值时，向该第一基站发送第一缓存状态报告，且向该第二基站发送第二缓存状态报告，其中，该第一缓存状态报告和该第二缓存状态报告均包括该分裂承载的上行数据的总数据量，或该第一缓存状态报告包括该分裂承载的上行数据中向该第一基站发送的第一数据量，且该第二缓存状态报告包括该分裂承载的上行数据中向该第二基站发送的第二数据量；或当该分裂承载的上行数据的数据量小于该第二预设门限值时，向该第一基站发送第一缓存状态报告，或向该第二基站发送第二缓存状态报告，该第一缓存状态报告和该第二缓存状态报告均包括该总数据量。
可选地，作为一个实施例，处理器610可以调用存储器620中存储的程序代码执行以下操作：将该第一比值与该总数据量的乘积确定为该第一数据量；将该总数据量与该第一数据量的差值确定为该第二数据量；或将该第二比值与该总数据量的乘积确定为该第二数据量；将该总数据量与该第二数据量的差值确定为该第一数据量；或将该第一比值与该总数据量的乘积确定为该第一数据量；将该第二比值与该总数据量的乘积确定为该第二数据量。
可选地，作为一个实施例，处理器610可以调用存储器620中存储的程序代码执行以下操作：根据该第一PBR与该初始PBR的比值，与该总数据量的乘积，确定该第一数据量；将该总数据量与该第一数据量的差值确定为该第二数据量；或根据该第二PBR与该初始PBR的比值，与该总数据量的乘积，确定该第二数据量；将该总数据量与该第二数据量的差值确定为该第一数据量；或根据该第一PBR与该初始PBR的比值，与该总数据量的乘积，确定该第一数据量；根据该第二PBR与该初始PBR的比值，与该总数据量的乘积，确定该第二数据量。
可选地，作为一个实施例，处理器610可以调用存储器620中存储的程序代码执行以下操作：该向该第一基站发送第一缓存状态报告，且向该第二基站发送第二缓存状态报告之后，在下一次向该第一基站发送第一缓存状态 报告，和/或向该第二基站发送第二缓存状态报告之前，执行与该第一基站相对应的该第一LCP过程，和执行与该第二基站相对应的该第二LCP过程；或当该分裂承载的上行数据的数据量大于或等于该第一预设门限值时，执行与该第一基站相对应的该第一LCP过程，和执行与该第二基站相对应的该第二LCP过程。
可选地，作为一个实施例，处理器610可以调用存储器620中存储的程序代码执行以下操作：该向该第一基站发送第一缓存状态报告，且向该第二基站发送第二缓存状态报告之后，在下一次向该第一基站发送第一缓存状态报告，和/或向该第二基站发送第二缓存状态报告之前，当该分裂承载的上行数据的数据量小于该第一预设门限值时，执行与该第一基站相对应的该第一LCP过程，或执行与该第二基站相对应的该第二LCP过程。
可选地，作为一个实施例，处理器610可以调用存储器620中存储的程序代码执行以下操作：该向该第一基站发送第一缓存状态报告，或向该第二基站发送第二缓存状态报告之后，在下一次向该第一基站发送第一缓存状态报告，和/或向该第二基站发送第二缓存状态报告之前，执行与该第一基站相对应的该第一LCP过程，或执行与该第二基站相对应的该第二LCP过程；或当该分裂承载的上行数据的数据量小于该第一预设门限值时，执行与该第一基站相对应的该第一LCP过程，或执行与该第二基站相对应的该第二LCP过程。
可选地，作为一个实施例，处理器610可以调用存储器620中存储的程序代码执行以下操作：该向该第一基站发送第一缓存状态报告，或向该第二基站发送第二缓存状态报告之后，在下一次向该第一基站发送第一缓存状态报告，和/或向该第二基站发送第二缓存状态报告之前，当该分裂承载的上行数据的数据量大于或等于该第一预设门限值时，执行与该第一基站相对应的该第一LCP过程，和执行与该第二基站相对应的该第二LCP过程。
可选地，作为一个实施例，处理器610可以调用存储器620中存储的程序代码执行以下操作：在初次向该第一基站发送第一缓存状态报告，和/或向该第二基站发送第二缓存状态报告之前，根据该第一预设门限值和该PBR配置信息中的至少一个，执行与该第一基站相对应的该第一LCP过程，和/或执行与该第二基站相对应的该第二LCP过程。
可选地，作为一个实施例，收发器640用于：在初次向该第一基站发送 第一缓存状态报告，和/或向该第二基站发送第二缓存状态报告之前，当该分裂承载被增加时或者当该分裂承载的初始上行数据到达时，触发该用户设备向该第一基站发送第一缓存状态报告，和/或向该第二基站发送第二缓存状态报告。
可选地，作为一个实施例，收发器640用于：在初次向该第一基站发送第一缓存状态报告，和/或向该第二基站发送第二缓存状态报告之前，当该分裂承载被增加时或者当该分裂承载的初始上行数据到达时，延迟发送该分裂承载的上行数据，直到该用户设备向该第一基站发送第一缓存状态报告，和/或向该第二基站发送第二缓存状态报告。
可选地，作为一个实施例，收发器640用于：接收该第一基站发送的配置信息；根据该配置信息，确定该第一预设门限值和该PBR配置信息中的至少一个。
应理解，根据本发明实施例的用于分裂承载的上行数据传输的用户设备600可对应于本发明实施例中的用于分裂承载的上行数据传输的用户设备400，并可以对应于执行根据本发明实施例的方法100中的相应主体，并且用于分裂承载的上行数据传输的用户设备600中的各个模块的上述和其它操作和/或功能分别为了实现图2至图5中的各个方法的相应流程，为了简洁，在此不再赘述。
因此，本发明实施例的用于分裂承载的上行数据传输的用户设备，根据确定的门限值和PBR配置信息中的至少一个，确定执行与第一基站相对应的第一LCP过程，和/或执行与第二基站相对应的第二LCP过程，也将分裂承载的上行数据向主基站和/或次基站发送，从而能够灵活确定如何通过分裂承载来执行进行上行数据传输。
如图12所示，本发明实施例还提供了一种用于分裂承载的上行数据传输的用户设备700，包括处理器710、存储器720、总线系统730和收发器740。其中，处理器710、存储器720和收发器740通过总线系统730相连，该存储器720用于存储指令，该处理器710用于执行该存储器720存储的指令，以控制收发器740收发信号。其中，收发器740用于：向该用户设备发送配置信息，该配置信息至少包括预设门限值和该分裂承载的优先比特率PBR配置信息中的一个，该配置信息用于该用户设备确定执行与该第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与该第二基站相对应的 第二LCP过程；接收该用户设备根据该配置信息发送的全部或部分该分裂承载的上行数据。
因此，本发明实施例的用于分裂承载的上行数据传输的第一基站，向用户设备发送包括预设门限值和PBR信息中的至少一个的配置信息，以便于用户设备确定执行与第一基站相对应的第一LCP过程，和/或执行与第二基站相对应的第二LCP过程，也将分裂承载的上行数据向第一基站和/或次第二站发送，从而能够灵活确定如何通过分裂承载来执行进行上行数据传输。
应理解，在本发明实施例中，该处理器710可以是中央处理单元(Central Processing Unit，简称为“CPU”)，该处理器710还可以是其他通用处理器、数字信号处理器(DSP)、专用集成电路(ASIC)、现成可编程门阵列(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720可以包括只读存储器和随机存取存储器，并向处理器710提供指令和数据。存储器720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720还可以存储设备类型的信息。
该总线系统730除包括数据总线之外，还可以包括电源总线、控制总线和状态信号总线等。但是为了清楚说明起见，在图中将各种总线都标为总线系统730。
在实现过程中，上述方法的各步骤可以通过处理器710中的硬件的集成逻辑电路或者软件形式的指令完成。结合本发明实施例所公开的方法的步骤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720，处理器710读取存储器720中的信息，结合其硬件完成上述方法的步骤。为避免重复，这里不再详细描述。
可选地，作为一个实施例，处理器710可以调用存储器720中存储的程序代码执行以下操作：该PBR配置信息用于确定执行该第一LCP过程所需参数，和/或执行该第二LCP过程所需参数。
可选地，作为一个实施例，处理器710可以调用存储器720中存储的程序代码执行以下操作：该配置信息包括用于指示该用户设备执行与该第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与该第二基站相对应 的第二LCP过程的信息。
可选地，作为一个实施例，收发器740用于：接收该用户设备发送的缓存状态报告，该缓存状态报告包括向该第一基站发送的分裂承载的上行数据的数据量信息；根据该缓存状态报告中的该数据量信息，为该用户设备分配上行传输资源。
可选地，作为一个实施例，收发器740用于：向该第二基站发送分裂承载请求消息，该分裂承载请求消息包括该PBR配置信息。
应理解，根据本发明实施例的用于分裂承载的上行数据传输的第一基站700可对应于本发明实施例中的用于分裂承载的上行数据传输的第一基站500，并可以对应于执行根据本发明实施例的方法200中的相应主体，并且用于分裂承载的上行数据传输的第一基站700中的各个模块的上述和其它操作和/或功能分别为了实现图6中的各个方法的相应流程，为了简洁，在此不再赘述。
因此，本发明实施例的用于分裂承载的上行数据传输的第一基站，向用户设备发送包括预设门限值和PBR信息中的至少一个的配置信息，以便于用户设备确定执行与第一基站相对应的第一LCP过程，和/或执行与第二基站相对应的第二LCP过程，也将分裂承载的上行数据向第一基站和/或次第二站发送，从而能够灵活确定如何通过分裂承载来执行进行上行数据传输。
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发明的范围。
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，所述单元的划分，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。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本发明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。
所述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，本发明的技术方案本质上或者说对现有技术做出贡献的部分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)执行本发明各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本发明的具体实施方式，但本发明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发明揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应所述以权利要求的保护范围为准。

Claims (56)

  1. 一种用于分裂承载的上行数据传输的方法，其特征在于，用户设备分别与第一基站和第二基站相连接，所述方法包括：
    确定第一预设门限值和所述分裂承载的优先比特率PBR配置信息中的至少一个；
    根据所述第一预设门限值和所述PBR配置信息中的至少一个，执行与所述第一基站相对应的第一逻辑信道优先级LCP过程和/或执行与所述第二基站相对应的第二LCP过程。
  2. 根据权利要求1所述的方法，其特征在于，所述方法还包括：
    根据所述PBR配置信息，确定所述分裂承载的初始PBR；
    所述执行与所述第一基站相对应的第一逻辑信道优先级LCP过程，和执行与所述第二基站相对应的第二LCP过程，包括：
    确定第一PBR和第二PBR，所述第一PBR与所述第二PBR之和大于或等于所述初始PBR；
    根据所述第一PBR，在所述第一基站相关联的小区组的第一媒体接入控制MAC实体执行所述第一LCP过程；
    根据所述第二PBR，在所述第二基站相关联的小区组的第二MAC实体执行所述第二LCP过程。
  3. 根据权利要求1或2所述的方法，其特征在于，所述执行与所述第一基站相对应的第一逻辑信道优先级LCP过程，或执行与所述第二基站相对应的第二LCP过程，包括：
    根据所述初始PBR，在所述第一基站相关联的小区组的第一MAC实体执行所述第一LCP过程；或
    根据所述初始PBR，在所述第二基站相关联的小区组的第二MAC实体执行所述第二LCP过程。
  4. 根据权利要求3所述的方法，其特征在于，所述方法还包括：
    接收所述第一基站发送的指示信息；
    根据所述指示信息，确定执行所述第一基站对应的所述第一LCP过程或执行所述第二基站对应的所述第二LCP过程。
  5. 根据权利要求2所述的方法，其特征在于，所述确定第一PBR和第二PBR，包括：
    确定第一比值；
    根据所述初始PBR与所述第一比值的乘积确定所述第一PBR；
    根据所述初始PBR与所述第一PBR的差值确定所述第二PBR；
    或
    确定第二比值；
    根据所述初始PBR与所述第二比值的乘积确定所述第二PBR；
    根据所述初始PBR与所述第二PBR的差值确定所述第一PBR；
    或
    确定第一比值和第二比值；
    根据所述初始PBR与所述第一比值的乘积确定所述第一PBR；
    根据所述初始PBR与所述第二比值的乘积确定所述第二PBR。
  6. 根据权利要求5所述的方法，其特征在于，所述PBR配置信息包括所述第一比值和/或所述第二比值。
  7. 根据权利要求2所述的方法，其特征在于，所述PBR配置信息包括所述第一PBR和/或所述第二PBR，
    所述确定第一PBR和第二PBR，包括：
    根据所述PBR配置信息，确定所述第一PBR和所述第二PBR。
  8. 根据权利要求2至7中任一项所述的方法，其特征在于，所述根据所述第一预设门限值和所述PBR配置信息中的至少一个，执行与所述第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与所述第二基站相对应的第二LCP过程，包括：
    当所述分裂承载的上行数据的数据量大于或等于所述第一预设门限值时，执行与所述第一基站相对应的所述第一LCP过程，和执行与所述第二基站相对应的所述第二LCP过程。
  9. 根据权利要求2至7中任一项所述的方法，其特征在于，所述根据所述第一预设门限值和所述PBR配置信息中的至少一个，执行与所述第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与所述第二基站相对应的第二LCP过程，包括：
    当所述分裂承载的上行数据的数据量小于所述第一预设门限值时，执行与所述第一基站相对应的所述第一LCP过程，或执行与所述第二基站相对应的所述第二LCP过程。
  10. 根据权利要求1至9中任一项所述的方法，其特征在于，所述根据第一预设门限值和所述PBR配置信息中的至少一个，执行与所述第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与所述第二基站相对应的第二LCP过程，包括：
    在向所述第一基站和/或第二基站发送缓存状态报告之前，根据所述第一预设门限值和所述PBR配置信息中的至少一个，执行与所述第一基站相对应的第一LCP过程，和/或执行与所述第二基站相对应的所述第二LCP过程。
  11. 根据权利要求1至9中任一项所述的方法，其特征在于，所述根据第一预设门限值和所述PBR配置信息中的至少一个，执行与所述第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与所述第二基站相对应的第二LCP过程，包括：
    当所述分裂承载被增加时或者当所述分裂承载的初始上行数据到达时，触发所述用户设备向所述第一基站和/或所述第二基站发送缓存状态报告；
    在所述用户设备向所述第一基站和/或向所述第二基站发送缓存状态报告之后，根据第一预设门限值和所述PBR配置信息中的至少一个，执行与所述第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与所述第二基站相对应的第二LCP过程。
  12. 根据权利要求1至9中任一项所述的方法，其特征在于，所述根据第一预设门限值和所述PBR配置信息中的至少一个，执行与所述第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与所述第二基站相对应的第二LCP过程，包括：
    当所述分裂承载被增加时或者当所述分裂承载的初始上行数据到达时，延迟发送所述增加的分裂承载的上行数据或延迟发送所述分裂承载的初始上行数据，直到所述用户设备向所述第一基站发送和/或所述第二基站发送缓存状态报告。
  13. 根据权利要求3至12中任一项所述的方法，其特征在于，所述方法还包括：
    当所述分裂承载的上行数据的数据量大于或等于第二预设门限值时，向所述第一基站发送第一缓存状态报告，且向所述第二基站发送第二缓存状态报告，其中，所述第一缓存状态报告和所述第二缓存状态报告均包括所述分裂承载的上行数据的总数据量，或所述第一缓存状态报告包括所述分裂承载 的上行数据中向所述第一基站发送的第一数据量，且所述第二缓存状态报告包括所述分裂承载的上行数据中向所述第二基站发送的第二数据量；或
    当所述分裂承载的上行数据的数据量小于所述第二预设门限值时，向所述第一基站发送第一缓存状态报告，或向所述第二基站发送第二缓存状态报告，所述第一缓存状态报告和所述第二缓存状态报告均包括所述总数据量。
  14. 根据权利要求13所述的方法，其特征在于，所述方法还包括：
    将所述第一比值与所述总数据量的乘积确定为所述第一数据量；
    将所述总数据量与所述第一数据量的差值确定为所述第二数据量；
    或
    将所述第二比值与所述总数据量的乘积确定为所述第二数据量；
    将所述总数据量与所述第二数据量的差值确定为所述第一数据量；
    或
    将所述第一比值与所述总数据量的乘积确定为所述第一数据量；
    将所述第二比值与所述总数据量的乘积确定为所述第二数据量。
  15. 根据权利要求13所述的方法，其特征在于，所述方法还包括：
    根据所述第一PBR与所述初始PBR的比值，与所述总数据量的乘积，确定所述第一数据量；
    将所述总数据量与所述第一数据量的差值确定为所述第二数据量；
    或
    根据所述第二PBR与所述初始PBR的比值，与所述总数据量的乘积，确定所述第二数据量；
    将所述总数据量与所述第二数据量的差值确定为所述第一数据量；
    或
    根据所述第一PBR与所述初始PBR的比值，与所述总数据量的乘积，确定所述第一数据量；
    根据所述第二PBR与所述初始PBR的比值，与所述总数据量的乘积，确定所述第二数据量。
  16. 根据权利要求13至15中任一项所述的方法，其特征在于，所述向所述第一基站发送第一缓存状态报告，且向所述第二基站发送第二缓存状态报告之后，在下一次向所述第一基站发送第一缓存状态报告，和/或向所述第二基站发送第二缓存状态报告之前，所述方法包括：
    执行与所述第一基站相对应的所述第一LCP过程，和执行与所述第二基站相对应的所述第二LCP过程；或
    当所述分裂承载的上行数据的数据量大于或等于所述第一预设门限值时，执行与所述第一基站相对应的所述第一LCP过程，和执行与所述第二基站相对应的所述第二LCP过程。
  17. 根据权利要求13至15中任一项所述的方法，其特征在于，所述向所述第一基站发送第一缓存状态报告，且向所述第二基站发送第二缓存状态报告之后，在下一次向所述第一基站发送第一缓存状态报告，和/或向所述第二基站发送第二缓存状态报告之前，所述方法包括：
    当所述分裂承载的上行数据的数据量小于所述第一预设门限值时，执行与所述第一基站相对应的所述第一LCP过程，或执行与所述第二基站相对应的所述第二LCP过程。
  18. 根据权利要求13至15中任一项所述的方法，其特征在于，所述向所述第一基站发送第一缓存状态报告，或向所述第二基站发送第二缓存状态报告之后，在下一次向所述第一基站发送第一缓存状态报告，和/或向所述第二基站发送第二缓存状态报告之前，所述方法还包括：
    执行与所述第一基站相对应的所述第一LCP过程，或执行与所述第二基站相对应的所述第二LCP过程；或
    当所述分裂承载的上行数据的数据量小于所述第一预设门限值时，执行与所述第一基站相对应的所述第一LCP过程，或执行与所述第二基站相对应的所述第二LCP过程。
  19. 根据权利要求13至15中任一项所述的方法，其特征在于，所述向所述第一基站发送第一缓存状态报告，或向所述第二基站发送第二缓存状态报告之后，在下一次向所述第一基站发送第一缓存状态报告，和/或向所述第二基站发送第二缓存状态报告之前，所述方法还包括：
    当所述分裂承载的上行数据的数据量大于或等于所述第一预设门限值时，执行与所述第一基站相对应的所述第一LCP过程，和执行与所述第二基站相对应的所述第二LCP过程。
  20. 根据权利要求13至19中任一项所述的方法，其特征在于，在初次向所述第一基站发送第一缓存状态报告，和/或向所述第二基站发送第二缓存状态报告之前，所述方法还包括：
    根据所述第一预设门限值和所述PBR配置信息中的至少一个，执行与所述第一基站相对应的所述第一LCP过程，和/或执行与所述第二基站相对应的所述第二LCP过程。
  21. 根据权利要求13至19中任一项所述的方法，其特征在于，在初次向所述第一基站发送第一缓存状态报告，和/或向所述第二基站发送第二缓存状态报告之前，所述方法还包括：
    当所述分裂承载被增加时或者当所述分裂承载的初始上行数据到达时，触发所述用户设备向所述第一基站发送第一缓存状态报告，和/或向所述第二基站发送第二缓存状态报告。
  22. 根据权利要求13至19中任一项所述的方法，其特征在于，在初次向所述第一基站发送第一缓存状态报告，和/或向所述第二基站发送第二缓存状态报告之前，所述方法还包括：
    当所述分裂承载被增加时或者当所述分裂承载的初始上行数据到达时，延迟发送所述分裂承载的上行数据，直到所述用户设备向所述第一基站发送第一缓存状态报告，和/或向所述第二基站发送第二缓存状态报告。
  23. 根据权利要求1至22中任一项所述的方法，其特征在于，所述确定第一预设门限值和所述分裂承载的优先比特率PBR配置信息中的至少一个，包括：
    接收所述第一基站发送的配置信息；
    根据所述配置信息，确定所述第一预设门限值和所述PBR配置信息中的至少一个。
  24. 一种用于分裂承载的上行数据传输的方法，其特征在于，用户设备分别与第一基站和第二基站相连接，所述方法包括：
    所述第一基站向所述用户设备发送配置信息，所述配置信息至少包括预设门限值和所述分裂承载的优先比特率PBR配置信息中的一个，所述配置信息用于所述用户设备确定执行与所述第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与所述第二基站相对应的第二LCP过程；
    接收所述用户设备根据所述配置信息发送的全部或部分所述分裂承载的上行数据。
  25. 根据权利要求24所述的方法，其特征在于，所述PBR配置信息用于确定执行所述第一LCP过程所需参数，和/或执行所述第二LCP过程所需 参数。
  26. 根据权利要求24或25所述的方法，其特征在于，所述配置信息包括用于指示所述用户设备执行与所述第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与所述第二基站相对应的第二LCP过程的信息。
  27. 根据权利要求24至26中任一项所述的方法，其特征在于，所述方法还包括：
    所述第一基站接收所述用户设备发送的缓存状态报告，所述缓存状态报告包括向所述第一基站发送的分裂承载的上行数据的数据量信息；
    根据所述缓存状态报告中的所述数据量信息，为所述用户设备分配上行传输资源。
  28. 根据权利要求24至27中任一项所述的方法，其特征在于，所述方法还包括：
    所述第一基站向所述第二基站发送分裂承载请求消息，所述分裂承载请求消息包括所述PBR配置信息。
  29. 一种用于分裂承载的上行数据传输的用户设备，其特征在于，所述用户设备分别与第一基站和第二基站相连接，所述用户设备包括：
    确定模块，用于确定第一预设门限值和所述分裂承载的优先比特率PBR配置信息中的至少一个；
    处理模块，用于根据所述确定模块确定的所述第一预设门限值和所述PBR配置信息中的至少一个，执行与所述第一基站相对应的第一逻辑信道优先级LCP过程和/或执行与所述第二基站相对应的第二LCP过程。
  30. 根据权利要求29所述的用户设备，其特征在于，所述确定模块还用于：根据所述PBR配置信息，确定所述分裂承载的初始PBR；
    所述处理模块中用于执行与所述第一基站相对应的第一逻辑信道优先级LCP过程，和执行与所述第二基站相对应的第二LCP过程，包括：
    确定第一PBR和第二PBR，所述第一PBR与所述第二PBR之和大于或等于所述初始PBR；
    根据所述第一PBR，在所述第一基站相关联的小区组的第一媒体接入控制MAC实体执行所述第一LCP过程；
    根据所述第二PBR，在所述第二基站相关联的小区组的第二MAC实体执行所述第二LCP过程。
  31. 根据权利要求29或30所述的用户设备，其特征在于，所述处理模块中执行与所述第一基站相对应的第一逻辑信道优先级LCP过程，或执行与所述第二基站相对应的第二LCP过程，包括：
    根据所述初始PBR，在所述第一基站相关联的小区组的第一MAC实体执行所述第一LCP过程；或
    根据所述初始PBR，在所述第二基站相关联的小区组的第二MAC实体执行所述第二LCP过程。
  32. 根据权利要求31所述的用户设备，其特征在于，所述用户设备还包括：
    接收模块，用于接收所述第一基站发送的指示信息；
    所述确定模块具体用于：
    根据所述指示信息，确定执行所述第一基站对应的所述第一LCP过程或执行所述第二基站对应的所述第二LCP过程。
  33. 根据权利要求30所述的用户设备，其特征在于，所述确定处理模块具体用于：
    确定第一比值；
    根据所述初始PBR与所述第一比值的乘积确定所述第一PBR；
    根据所述初始PBR与所述第一PBR的差值确定所述第二PBR；
    或
    确定第二比值；
    根据所述初始PBR与所述第二比值的乘积确定所述第二PBR；
    根据所述初始PBR与所述第二PBR的差值确定所述第一PBR；
    或
    确定第一比值和第二比值；
    根据所述初始PBR与所述第一比值的乘积确定所述第一PBR；
    根据所述初始PBR与所述第二比值的乘积确定所述第二PBR。
  34. 根据权利要求33所述的用户设备，其特征在于，所述PBR配置信息包括所述第一比值和/或所述第二比值。
  35. 根据权利要求30所述的用户设备，其特征在于，所述PBR配置信息包括所述第一PBR和/或所述第二PBR，
    所述处理模块具体用于：
    根据所述PBR配置信息，确定所述第一PBR和所述第二PBR。
  36. 根据权利要求30至35中任一项所述的用户设备，其特征在于，所述处理模块具体用于：
    当所述分裂承载的上行数据的数据量大于或等于所述第一预设门限值时，执行与所述第一基站相对应的所述第一LCP过程，和执行与所述第二基站相对应的所述第二LCP过程。
  37. 根据权利要求30至35中任一项所述的用户设备，其特征在于，所述处理模块具体用于：
    当所述分裂承载的上行数据的数据量小于所述第一预设门限值时，执行与所述第一基站相对应的所述第一LCP过程，或执行与所述第二基站相对应的所述第二LCP过程。
  38. 根据权利要求29至37中任一项所述的用户设备，其特征在于，所述处理模块具体用于：
    在向所述第一基站和/或第二基站发送缓存状态报告之前，根据所述第一预设门限值和所述PBR配置信息中的至少一个，执行与所述第一基站相对应的第一LCP过程，和/或执行与所述第二基站相对应的所述第二LCP过程。
  39. 根据权利要求29至37中任一项所述的用户设备，其特征在于，所述处理模块具体用于：
    当所述分裂承载被增加时或者当所述分裂承载的初始上行数据到达时，触发所述用户设备向所述第一基站和/或所述第二基站发送缓存状态报告；
    在所述用户设备向所述第一基站和/或向所述第二基站发送缓存状态报告之后，根据第一预设门限值和所述PBR配置信息中的至少一个，执行与所述第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与所述第二基站相对应的第二LCP过程。
  40. 根据权利要求29至37中任一项所述的用户设备，其特征在于，所述处理模块具体用于：
    当所述分裂承载被增加时或者当所述分裂承载的初始上行数据到达时，延迟发送所述增加的分裂承载的上行数据或延迟发送所述分裂承载的初始上行数据，直到所述用户设备向所述第一基站发送和/或所述第二基站发送缓存状态报告。
  41. 根据权利要求31至40中任一项所述的用户设备，其特征在于，所 述用户设备还包括：
    第一发送模块，用于当所述分裂承载的上行数据的数据量大于或等于第二预设门限值时，向所述第一基站发送第一缓存状态报告，且向所述第二基站发送第二缓存状态报告，其中，所述第一缓存状态报告和所述第二缓存状态报告均包括所述分裂承载的上行数据的总数据量，或所述第一缓存状态报告包括所述分裂承载的上行数据中向所述第一基站发送的第一数据量，且所述第二缓存状态报告包括所述分裂承载的上行数据中向所述第二基站发送的第二数据量；或
    第二发送模块，用于当所述分裂承载的上行数据的数据量小于所述第二预设门限值时，向所述第一基站发送第一缓存状态报告，或向所述第二基站发送第二缓存状态报告，所述第一缓存状态报告和所述第二缓存状态报告均包括所述总数据量。
  42. 根据权利要求41所述的用户设备，其特征在于，所述确定模块还用于：
    将所述第一比值与所述总数据量的乘积确定为所述第一数据量；
    将所述总数据量与所述第一数据量的差值确定为所述第二数据量；
    或
    将所述第二比值与所述总数据量的乘积确定为所述第二数据量；
    将所述总数据量与所述第二数据量的差值确定为所述第一数据量；
    或
    将所述第一比值与所述总数据量的乘积确定为所述第一数据量；
    将所述第二比值与所述总数据量的乘积确定为所述第二数据量。
  43. 根据权利要求41所述的用户设备，其特征在于，所述确定模块还用于：
    根据所述第一PBR与所述初始PBR的比值，与所述总数据量的乘积，确定所述第一数据量；
    将所述总数据量与所述第一数据量的差值确定为所述第二数据量；
    或
    根据所述第二PBR与所述初始PBR的比值，与所述总数据量的乘积，确定所述第二数据量；
    将所述总数据量与所述第二数据量的差值确定为所述第一数据量；
    或
    根据所述第一PBR与所述初始PBR的比值，与所述总数据量的乘积，确定所述第一数据量；
    根据所述第二PBR与所述初始PBR的比值，与所述总数据量的乘积，确定所述第二数据量。
  44. 根据权利要求41至43中任一项所述的用户设备，其特征在于，所述向所述第一基站发送第一缓存状态报告，且向所述第二基站发送第二缓存状态报告之后，在下一次向所述第一基站发送第一缓存状态报告，和/或向所述第二基站发送第二缓存状态报告之前，所述处理模块具体用于：
    执行与所述第一基站相对应的所述第一LCP过程，和执行与所述第二基站相对应的所述第二LCP过程；或
    当所述分裂承载的上行数据的数据量大于或等于所述第一预设门限值时，执行与所述第一基站相对应的所述第一LCP过程，和执行与所述第二基站相对应的所述第二LCP过程。
  45. 根据权利要求41至43中任一项所述的用户设备，其特征在于，所述向所述第一基站发送第一缓存状态报告，且向所述第二基站发送第二缓存状态报告之后，在下一次向所述第一基站发送第一缓存状态报告，和/或向所述第二基站发送第二缓存状态报告之前，所述处理模块具体用于：
    当所述分裂承载的上行数据的数据量小于所述第一预设门限值时，执行与所述第一基站相对应的所述第一LCP过程，或执行与所述第二基站相对应的所述第二LCP过程。
  46. 根据权利要求41至43中任一项所述的用户设备，其特征在于，所述向所述第一基站发送第一缓存状态报告，或向所述第二基站发送第二缓存状态报告之后，在下一次向所述第一基站发送第一缓存状态报告，和/或向所述第二基站发送第二缓存状态报告之前，所述处理模块具体用于：
    执行与所述第一基站相对应的所述第一LCP过程，或执行与所述第二基站相对应的所述第二LCP过程；或
    当所述分裂承载的上行数据的数据量小于所述第一预设门限值时，执行与所述第一基站相对应的所述第一LCP过程，或执行与所述第二基站相对应的所述第二LCP过程。
  47. 根据权利要求41至43中任一项所述的用户设备，其特征在于，所 述向所述第一基站发送第一缓存状态报告，或向所述第二基站发送第二缓存状态报告之后，在下一次向所述第一基站发送第一缓存状态报告，和/或向所述第二基站发送第二缓存状态报告之前，所述处理模块具体用于：
    当所述分裂承载的上行数据的数据量大于或等于所述第一预设门限值时，执行与所述第一基站相对应的所述第一LCP过程，和执行与所述第二基站相对应的所述第二LCP过程。
  48. 根据权利要求41至47中任一项所述的用户设备，其特征在于，在初次向所述第一基站发送第一缓存状态报告，和/或向所述第二基站发送第二缓存状态报告之前，所述处理模块具体用于：
    根据所述第一预设门限值和所述PBR配置信息中的至少一个，执行与所述第一基站相对应的所述第一LCP过程，和/或执行与所述第二基站相对应的所述第二LCP过程。
  49. 根据权利要求41至47中任一项所述的用户设备，其特征在于，在初次向所述第一基站发送第一缓存状态报告，和/或向所述第二基站发送第二缓存状态报告之前，所述处理模块具体用于：
    当所述分裂承载被增加时或者当所述分裂承载的初始上行数据到达时，触发所述用户设备向所述第一基站发送第一缓存状态报告，和/或向所述第二基站发送第二缓存状态报告。
  50. 根据权利要求41至47中任一项所述的用户设备，其特征在于，在初次向所述第一基站发送第一缓存状态报告，和/或向所述第二基站发送第二缓存状态报告之前，所述处理模块具体用于：
    当所述分裂承载被增加时或者当所述分裂承载的初始上行数据到达时，延迟发送所述分裂承载的上行数据，直到所述用户设备向所述第一基站发送第一缓存状态报告，和/或向所述第二基站发送第二缓存状态报告。
  51. 根据权利要求32至50中任一项所述的用户设备，其特征在于，
    所述接收模块具体用于：接收所述第一基站发送的配置信息；
    所述确定模块具体用于：根据所述配置信息，确定所述第一预设门限值和所述PBR配置信息中的至少一个。
  52. 一种用于分裂承载的上行数据传输的第一基站，其特征在于，用户设备分别与所述第一基站和第二基站相连接，所述第一基站包括：
    发送模块，用于向所述用户设备发送配置信息，所述配置信息至少包括 预设门限值和所述分裂承载的优先比特率PBR配置信息中的一个，所述配置信息用于所述用户设备确定执行与所述第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与所述第二基站相对应的第二LCP过程；
    接收模块，用于接收所述用户设备根据所述配置信息发送的全部或部分所述分裂承载的上行数据。
  53. 根据权利要求52所述的第一基站，其特征在于，所述PBR配置信息用于确定执行所述第一LCP过程所需参数，和/或执行所述第二LCP过程所需参数。
  54. 根据权利要求52或53所述的第一基站，其特征在于，所述配置信息包括用于指示所述用户设备执行与所述第一基站相对应的第一逻辑信道优先级LCP过程，和/或执行与所述第二基站相对应的第二LCP过程的信息。
  55. 根据权利要求52至54中任一项所述的第一基站，其特征在于，所述接收模块还用于：
    接收所述用户设备发送的缓存状态报告，所述缓存状态报告包括向所述第一基站发送的分裂承载的上行数据的数据量信息；
    根据所述缓存状态报告中的所述数据量信息，为所述用户设备分配上行传输资源。
  56. 根据权利要求52至55中任一项所述的第一基站，其特征在于，所述发送模块还用于：
    所述第一基站向所述第二基站发送分裂承载请求消息，所述分裂承载请求消息包括所述PBR配置信息。
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