WO2021052101A1 - 多小区数据传输的方法与设备 - Google Patents

多小区数据传输的方法与设备 Download PDF

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Publication number
WO2021052101A1
WO2021052101A1 PCT/CN2020/110380 CN2020110380W WO2021052101A1 WO 2021052101 A1 WO2021052101 A1 WO 2021052101A1 CN 2020110380 W CN2020110380 W CN 2020110380W WO 2021052101 A1 WO2021052101 A1 WO 2021052101A1
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Prior art keywords
cell
configuration information
data
transmission configuration
cells
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PCT/CN2020/110380
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English (en)
French (fr)
Inventor
徐敏
刘星
韩立锋
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展讯通信（上海）有限公司
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Publication of WO2021052101A1 publication Critical patent/WO2021052101A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections

Definitions

  • the embodiments of the present invention relate to the field of mobile communication technologies, and in particular to a method and equipment for multi-cell data transmission.
  • 5G 5th Generation
  • UE User Equipment
  • IDLE IDLE
  • INACTIVE INACTIVE
  • CONNECTED CONNECTED
  • the UE in the idle state, the UE is not connected to the network device, and the UE only needs to periodically initiate location update, cell selection and reselection procedures, and receive paging; in the connected state, the UE is connected to the network device, and the network device can add and drop to the UE Data scheduling; In the inactive state, the UE does not need to notify the network equipment when moving within a certain radio access network (RAN) notification area (RAN notification area, referred to as RNA). The UE retains certain configurations. If the UE has data to send, the UE needs to migrate to the connected state and restore the reserved configuration for data transmission.
  • RAN radio access network
  • the UE can perform data transmission. For example, the UE carries the data in the third message Msg3 in the random access process, or the UE uses network equipment pre-configuration Resources for data transmission.
  • the current data transmission method is difficult to guarantee the reliability of the data transmitted by the UE.
  • the embodiment of the present invention provides a method and device for multi-cell data transmission to overcome the technical problem that the current data transmission method is difficult to ensure the reliability of the data transmitted by the UE when the UE is in a disconnected state.
  • an embodiment of the present invention provides a method for multi-cell data transmission, which is applied to a UE, the UE is in a disconnected state, and the method includes:
  • the transmission configuration information includes cell information corresponding to at least two candidate cells, the candidate cells are used for the UE to perform data transmission in a non-connected state, and the non-connected state includes an idle state or an inactive state state;
  • the UE When the UE has data to send, select at least two target cells from the candidate cells according to the transmission configuration information;
  • the acquiring transmission configuration information includes:
  • the acquiring transmission configuration information includes:
  • the obtaining the transmission configuration information from the network device includes:
  • a radio resource control (Radio Resource Control, RRC for short) release message is received from the network device, where the RRC release message includes the transmission configuration information.
  • RRC Radio Resource Control
  • the obtaining transmission configuration information from a network device includes:
  • SIB System Information Block
  • the transmission configuration information includes multi-cell data transmission conditions
  • the multi-cell data transmission conditions include at least one of the following information: data volume threshold, data service type information, and allowed multi-cell data Transmission instructions and data reliability threshold;
  • the method further includes:
  • the UE If the data to be sent by the UE meets the multi-cell data transmission condition, continue to perform the step of selecting at least two target cells from the candidate cells according to the transmission configuration information.
  • the transmission configuration information includes a signal quality threshold for selecting the target cell, and/or the maximum number of cells for multi-cell transmission;
  • the selecting at least two target cells from the candidate cells according to the transmission configuration information includes:
  • each candidate cell selects at least two candidate cells as the target cell, or select the cell where the UE currently resides and at least one candidate cell as the target cell; where The cell signal quality of the target cell meets the signal quality threshold, and/or the number of target cells is less than or equal to the maximum number of cells for multi-cell transmission.
  • the transmission configuration information includes at least two radio link control (Radio Link Control, RLC) association groups, or target cell indication information, and each RLC association group includes at least An alternative cell;
  • RLC Radio Link Control
  • the selecting at least two target cells according to the transmission configuration information includes:
  • the transmission configuration information further includes the uplink resources of each candidate cell, and the separately sending data on the uplink resources of the at least two target cells includes:
  • Timing Advance (Timing Advance, TA for short) of the UE is valid, or the UE does not need TA, data is sent on the uplink resources of each target cell respectively;
  • the data is sent on the uplink resources of each target cell respectively, and the preamble sequence is sent on the uplink resources of the first target cell among the at least two target cells, so
  • the first target cell is any one of the following cells: the target cell where the UE currently camps, the target cell with the strongest signal among the at least two target cells, the original primary cell, the cell designated by the network device, the at least Any one of the two target cells.
  • the method before sending data respectively on the uplink resources of the at least two target cells, the method includes:
  • the separately sending data on the uplink resources of the at least two target cells includes:
  • the same data is sent on the uplink resources of the at least two target cells, or different data is sent on the uplink resources of the at least two target cells.
  • an embodiment of the present invention provides a method for multi-cell data transmission, which is applied to a network device, and the method includes:
  • the transmission configuration information includes cell information corresponding to at least two candidate cells.
  • the candidate cells are used by the UE for data transmission in a non-connected state, and the non-connected state includes an idle state or Inactive state
  • the sending transmission configuration information to the UE includes:
  • the sending transmission configuration information to the UE includes:
  • the transmission configuration information includes:
  • Multi-cell data transmission conditions where the multi-cell data transmission conditions include at least one of the following information: a data transmission volume threshold, data service type information, an indication of allowing multi-cell data transmission, and a data reliability threshold.
  • the transmission configuration information includes:
  • the transmission configuration information includes:
  • each of the RLC association groups includes at least one candidate cell, and the target cell indication information is used to indicate the target cell.
  • the transmission configuration information further includes uplink resources corresponding to the candidate cells
  • the receiving the data sent by the UE on the uplink resources of at least two target cells in a non-connected state includes:
  • receiving data sent by the UE through the uplink resources of each target cell in a non-connected state and receiving uplink resources of the UE through a first target cell of the at least two target cells in a non-connected state
  • the at least two target cells belong to the same TA group, and the first target cell is any one of the following cells: the target cell where the UE currently camps, the at least two target cells The target cell with the strongest signal among the target cells, the original primary cell, the cell designated by the network device, and any one of the at least two target cells.
  • the receiving the data sent by the UE on the uplink resources of at least two target cells in a disconnected state includes:
  • an embodiment of the present invention provides an apparatus for multi-cell data transmission, which is applied to a UE, the UE is in a disconnected state, and the apparatus includes:
  • the acquiring module is configured to acquire transmission configuration information, where the transmission configuration information includes cell information corresponding to at least two candidate cells, and the candidate cells are used for the UE to perform data transmission in a non-connected state, and the non-connected state includes Idle state or inactive state;
  • a selection module configured to select at least two target cells from the candidate cells according to the transmission configuration information when the UE has data to send;
  • the transmission module is configured to respectively send data on the uplink resources of the at least two target cells.
  • an embodiment of the present invention provides a device for multi-cell data transmission, which is applied to network equipment, and the device includes:
  • the sending module is configured to send transmission configuration information to the UE, where the transmission configuration information includes cell information corresponding to at least two candidate cells, and the candidate cells are used for the UE to perform data transmission in a disconnected state.
  • State includes idle state or inactive state;
  • the receiving module is configured to receive data sent by the UE on the uplink resources of at least two target cells in a disconnected state, where the at least two target cells are configured by the UE from the at least two target cells according to the transmission configuration information. Determined in the candidate cells.
  • an embodiment of the present invention provides a user equipment, including: at least one processor and a memory;
  • the memory stores computer execution instructions
  • the at least one processor executes the computer-executable instructions stored in the memory, so that the at least one processor executes the method for multi-cell data transmission provided in the first aspect.
  • an embodiment of the present invention provides a network device, including: at least one processor and a memory;
  • the memory stores computer execution instructions
  • the at least one processor executes the computer-executable instructions stored in the memory, so that the at least one processor executes the method for multi-cell data transmission provided in the second aspect.
  • an embodiment of the present invention provides a computer-readable storage medium having computer-executable instructions stored in the computer-readable storage medium.
  • the processor executes the computer-executed instructions, the The method of cell data transmission.
  • an embodiment of the present invention provides a computer-readable storage medium having computer-executable instructions stored in the computer-readable storage medium.
  • the processor executes the computer-executable instructions, the computer-readable The method of cell data transmission.
  • transmission configuration information when the UE is in a disconnected state, transmission configuration information is obtained.
  • the transmission configuration information includes cell information corresponding to at least two candidate cells.
  • at least two target cells are selected from the candidate cells according to the above-mentioned transmission configuration information, and data are respectively sent on the uplink resources of the selected at least two target cells. That is, in the embodiment of the present invention, when the UE is in a disconnected state and has data to send, it will select at least two cells to send separately according to the acquired transmission configuration information, thereby increasing the possibility of the network device receiving the data , Thereby ensuring the reliability of the data transmitted by the UE.
  • FIG. 1 is a schematic diagram of the architecture of a multi-cell data transmission system provided by an embodiment of the present invention
  • FIG. 2 is a first schematic diagram of signaling for state transition in a method for multi-cell data transmission according to an embodiment of the present invention
  • FIG. 3 is a second schematic diagram of signaling for state transition in the method for multi-cell data transmission provided by an embodiment of the present invention.
  • FIG. 4 is a first schematic flowchart of a method for multi-cell data transmission according to an embodiment of the present invention
  • FIG. 5 is a second schematic flowchart of a method for multi-cell data transmission according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram 1 of modules of a multi-cell data transmission apparatus provided by an embodiment of the present invention.
  • FIG. 7 is a second schematic diagram of modules of an apparatus for multi-cell data transmission according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of the hardware structure of a device provided by an embodiment of the present invention.
  • FIG. 1 is a schematic diagram of the architecture of a multi-cell data transmission system provided by an embodiment of the present invention.
  • the system for multi-cell data transmission provided in this embodiment includes UE 101 and network equipment 102.
  • UE101 may refer to various forms of user equipment, access terminals, user units, user stations, mobile stations, mobile stations (MS), remote stations, remote terminals, mobile equipment, terminal equipment (terminal equipment). ), wireless communication equipment, user agent or user device. It can also be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a handheld computer (Personal Digital Assistant, PDA), with wireless communication Functional handheld devices, computing devices, or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in the future 5G network, or future evolution of the Public Land Mobile Network (PLMN)
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the embodiment of this application defines the one-way communication link from the access network to the UE as the downlink, the data transmitted on the downlink is the downlink data, and the transmission direction of the downlink data is called the downlink direction; and the one from the UE to the access network
  • the unidirectional communication link is the uplink, the data transmitted on the uplink is the uplink data, and the transmission direction of the uplink data is called the uplink direction.
  • the network device 102 is a public mobile communication network device, which is the interface device for UE101 to access the Internet, and is also a form of radio station. It refers to the radio transceiver for information transfer with UE101 in a certain radio coverage area.
  • a radio station includes a base station (base station, BS for short), which can also be called a base station equipment, and is a device deployed on a radio access network (RAN) to provide wireless communication functions.
  • base station base station
  • RAN radio access network
  • the equipment that provides the base station function in the 2G network includes the base transceiver station (BTS), the equipment that provides the base station function in the 3G network includes the NodeB (NodeB), and the equipment that provides the base station function in the 4G network includes the evolution Node B (evolved NodeB, eNB), in wireless local area networks (WLAN), the equipment that provides base station functions is an access point (access point, AP), and 5G NR provides base station functions.
  • BTS base transceiver station
  • NodeB NodeB
  • eNB evolution Node B
  • WLAN wireless local area networks
  • AP access point
  • 5G NR provides base station functions.
  • E-UTRA Evolved Universal Terrestrial Radio Access
  • both gNB and ng-eNB can be connected to the 5G core network.
  • the base station in the embodiment of the present application also includes equipment that provides base station functions in a new communication system in the future.
  • the UE 101 communicates with the network device 102 through a wireless communication network.
  • the method of multi-cell data transmission in the embodiment of the present invention can be executed by the UE 101, the network device 102, or The UE 101 and the network device 102 execute together.
  • the network device 102 sends notification information to the UE 101; after receiving the notification information, the UE 101 executes corresponding tasks based on the notification information.
  • the following uses detailed embodiments for detailed description.
  • the process of the UE transitioning from the non-connected state to the connected state includes:
  • the first step the UE obtains the primary and secondary synchronization signal (Synchronization Signal, referred to as SS)/Physical Broadcast Channel (PBCH) resource block (also referred to as SSB) of the cell that meets the conditions, or the channel state information reference signal (Channel Select an SSB or CSI-RS in State Information Reference Signals (CSI-RS for short), then select a preamble, and send a random access preamble on the time-frequency resources allowed to initiate, namely Msg1: Random Access Preamble.
  • SS Primary and secondary synchronization Signal
  • PBCH Physical Broadcast Channel
  • SSB Physical Broadcast Channel
  • Channel state information reference signal Channel Select an SSB or CSI-RS in State Information Reference Signals (CSI-RS for short
  • Step 2 The UE receives the random access response sent by the network device, that is, Msg2: Random Access Response, which contains TA information.
  • Step 3 The UE uses the authorization received in Msg2 to send scheduled transmission information, namely Msg3: Scheduled Transmission.
  • Step 4 If the UE receives the conflict resolution information, that is, Msg4: Contention Resolution, it is considered that the conflict resolution is successful and the random access process is successful. If the scheduling of the base station is not received within a certain period of time, it is considered that the conflict resolution has failed.
  • Msg4 Contention Resolution
  • FIG. 3 shows the state transition in the multi-cell data transmission method provided by the embodiment of the present invention.
  • MsgA contains the original Msg1 and Msg3 information, that is, contains the preamble sent on the Physical Random Access Channel (PRACH) and the Physical Uplink Shared Channel (PUSCH).
  • PRACH Physical Random Access Channel
  • PUSCH Physical Uplink Shared Channel
  • the payload part; MsgB contains Msg2 and Msg4 information. Or MsgA only contains the payload part sent on PUSCH.
  • data in order to send data in a disconnected state, in addition to sending the RRC message in Msg3 or MsgA, data may also be carried.
  • an embodiment of the present invention proposes a method for multi-cell data transmission.
  • FIG. 4 is a first flowchart of a method for multi-cell data transmission according to an embodiment of the present invention.
  • the executor of this embodiment is the UE in the embodiment shown in FIG. 1, and the UE is in a disconnected state.
  • the method includes:
  • transmission configuration information includes cell information corresponding to at least two candidate cells, where the candidate cells are used for data transmission by the UE in a non-connected state, and the non-connected state includes an idle state or an inactive state.
  • transmission configuration information when the UE is in a disconnected state, transmission configuration information can be obtained, and the transmission configuration information includes cell information corresponding to at least two candidate cells.
  • the candidate cell described above is used for the UE to perform data transmission in a non-connected state, and the non-connected state includes an idle state (RRC_IDLE) and an inactive state (RRC_INACTIVE).
  • the above-mentioned cell information may include the cell identity and uplink resources of each candidate cell.
  • S402 When the UE has data to send, select at least two target cells from the candidate cells according to the foregoing transmission configuration information.
  • the UE when the UE is in a non-connected state and has data to send, at least two target cells are selected from the candidate cells according to the foregoing transmission configuration information. For example, according to the foregoing transmission configuration information, two cells that are most suitable for data transmission can be selected from all candidate cells as target cells.
  • S403 Send data respectively on the uplink resources of the at least two target cells.
  • each target cell can be a cell with a different frequency point. If each target cell belongs to the same base station, then carrier aggregation (CA) operation is performed. If each target cell does not belong to the same base station, then dual connectivity is performed. -Connectivity, referred to as DC) operation.
  • CA carrier aggregation
  • the CA operation can aggregate multiple Component Carriers (CC) together to achieve a maximum transmission bandwidth of 100 MHz, which can effectively increase the uplink transmission rate; the DC operation can realize data transmission through multiple base stations.
  • CC Component Carriers
  • the foregoing manner of sending the same data on the uplink resources of at least two target cells respectively is a duplication manner.
  • the same data is transmitted through multiple paths, thereby improving the reliability of data transmission and reducing transmission delay.
  • the transmission efficiency can be improved and the data transmission delay can be reduced.
  • transmission configuration information when the UE is in a disconnected state, transmission configuration information is obtained.
  • the transmission configuration information includes cell information corresponding to at least two candidate cells.
  • at least two target cells are selected from the candidate cells according to the above-mentioned transmission configuration information, and data are respectively sent on the uplink resources of the selected at least two target cells. That is, in the embodiment of the present invention, when the UE is in a disconnected state and has data to send, it will select at least two cells to send separately according to the acquired transmission configuration information, thereby increasing the possibility of the network device receiving the data , Thereby ensuring the reliability of the data transmitted by the UE.
  • obtaining transmission configuration information in the foregoing step S401 includes:
  • the above-mentioned transmission configuration information may be stored in the information pre-configured by the UE.
  • the foregoing transmission configuration information is pre-written in the data transmission protocol corresponding to the UE.
  • obtaining transmission configuration information in the foregoing step S401 includes:
  • obtaining transmission configuration information from a network device may include the following two methods:
  • the RRC release message is received from the network device, and the RRC release message includes the foregoing transmission configuration information.
  • the network will use the RRC release message to migrate the UE to the unconnected state.
  • the RRC release message can instruct the UE to retain configuration information such as radio bearers, and also configure the above-mentioned transmission configuration information.
  • the configuration of each UE can be different.
  • the foregoing transmission configuration information may include uplink resources corresponding to each candidate cell (where the UE can use these uplink resources to send data), cell identification information of each candidate cell, and one or more of the following information:
  • the signal quality threshold of the target cell Only the cells that meet the signal quality threshold can perform multi-cell transmission; the maximum number of cells for multi-cell transmission; the indication that only one preamble is allowed; the conditions of the cell that sends the preamble; preamble and uplink.
  • the corresponding relationship of resources where the base station can determine the UE uplink transmission resource through the received preamble, and receive the data sent by the UE on the corresponding resource; the power allocation ratio between multiple cells; at least two RLC association groups, among which, One RLC configuration is associated with one or more cells or frequency points.
  • the UE may obtain the foregoing transmission configuration information through the RRC release message received from the network device.
  • the SIB is received from the network device, and the SIB includes the above-mentioned transmission configuration information.
  • the non-connected UE will perform cell selection or reselection based on the cell measurement reselection parameters, and stay in a cell.
  • the cell is reselected to a new cell, it needs to read the SIB to obtain the relevant information of the cell, which is also configured For the foregoing transmission configuration information, the information acquired at this time is the same for each UE.
  • the transmission configuration information configured in the SIB is consistent with the transmission configuration information configured in the RRC release message in the foregoing embodiment.
  • the transmission configuration information configured in the RRC release message please refer to the foregoing embodiment, which will not be repeated here.
  • the UE may obtain the foregoing transmission configuration information through the SIB received from the network device.
  • the UE can simultaneously receive the RRC release message and the SIB from the network device.
  • the transmission configuration information in the RRC release message conflicts with the transmission configuration information in the SIB, if a conflict occurs If it is an uplink resource, the transmission configuration information in the SIB shall prevail.
  • the foregoing transmission configuration information includes a multi-cell data transmission condition
  • the multi-cell data transmission condition includes at least one of the following information: data Data volume threshold, data service type information, indication of allowing multi-cell data transmission, and data reliability threshold;
  • the method further includes:
  • step S402 It is determined whether the data to be sent by the UE meets the above-mentioned multi-cell data transmission condition; if it is satisfied, step S402 is continued.
  • the method for multi-cell data transmission provided in the embodiment of the present invention may be aimed at small packet data transmission. For example, when the data volume of the data to be sent by the UE needs to be less than the data volume threshold, the multi-cell data transmission is adopted.
  • the foregoing multi-cell data transmission method may also be targeted at a specific service type.
  • the data service type information may include logical channel information or radio bearer (Radio Bearer, RB for short) information.
  • the UE compares the data information that needs to be sent to determine whether Use multi-cell data transmission. For example, when the logical channel or RB of the data to be sent by the UE conforms to the above-mentioned data service type information, etc., multi-cell data transmission is adopted.
  • the above-mentioned multi-cell data transmission method can also be aimed at services with high reliability requirements.
  • the data to be sent by the UE is a service with high reliability requirements, such as URLLC (Ultra-Reliable Low-Latency Communication). Only use multi-cell data transmission for services.
  • URLLC Ultra-Reliable Low-Latency Communication
  • the above-mentioned multi-cell data transmission method may also be based on the above-mentioned indication of allowing multi-cell data transmission. For example, when the multi-cell data transmission condition includes the above-mentioned indication of allowing multi-cell data transmission, the UE uses multi-cell data transmission.
  • the transmission configuration information includes cell information of each candidate cell, the signal quality threshold with the target cell, and/or the maximum multi-cell transmission Number of cells.
  • selecting at least two target cells from candidate cells according to the transmission configuration information includes:
  • each candidate cell selects at least two candidate cells as the target cell, or select the cell where the UE currently resides and at least one candidate cell as the target cell; wherein, the target The cell signal quality of the cell meets the signal quality threshold, and/or the number of target cells is less than or equal to the above-mentioned maximum number of cells for multi-cell transmission.
  • each candidate cell can be sorted according to the cell signal quality of each candidate cell, and then the number of target cells N (N ⁇ 2) is determined, and the cell with the best signal quality in the ranking result The first N candidate cells are determined as the target cell.
  • a candidate cell that meets the above-mentioned signal quality threshold can also be selected as the target cell according to the candidate cell list.
  • the transmission configuration information includes at least two RLC association groups, or target cell indication information, and the foregoing RLC association group includes at least one candidate cell.
  • selecting at least two target cells from the candidate cells according to the transmission configuration information further includes:
  • a candidate cell is selected from each RLC association group as the target cell, and further, the selected target cell does not exceed the maximum number of cells for multi-cell transmission; or the candidate cell indicated in the target cell indication information As the target cell.
  • the target cell may be a cell in an RLC association group, or may be a candidate cell designated by a network device, where the cell signal quality of the target cell also meets the above-mentioned signal quality threshold.
  • the target cell may also be a cell configured by a network device, for example, a cell configured for CA or DC operation in a connected state, at least two of which may be selected as the target cell.
  • the transmission configuration information also includes the uplink resources of each candidate cell, and in the foregoing step S403, the uplink resources of at least two target cells are used.
  • Send data separately including:
  • the first target cell is any one of the following cells: the target cell where the UE currently resides, the target cell with the strongest signal among the at least two target cells, the original primary cell, the cell designated by the network device, and the at least two target cells Any one of the target cells in the.
  • the above-mentioned data may be RRC messages, UE identification (ID), service data, and so on.
  • a target cell when all target cells belong to the same TA group, a target cell can be selected from all target cells to send the preamble.
  • the method of selecting the target cell for sending the preamble includes: UE selection and selection based on the cell information pre-configured by the network The cell where the UE currently resides, the cell with the strongest signal among the candidate cells, the original primary cell (Pcell), the cell designated by the network device, etc. are selected.
  • the network equipment can determine that the UE is performing multi-cell transmission through the preamble sent by the UE and/or the corresponding uplink resource; or can also determine that the UE is performing multi-cell transmission through the indication information added by the UE in the data sent .
  • the timer is started to receive the response message at the time when the last transmission is completed, and if a response from one of the cells is received, the transmission is considered to be successful.
  • the uplink resource of the selected target cell is not included in the above-mentioned transmission configuration information, it is necessary to read the system message of the corresponding target cell to obtain the relevant uplink resource. Since the uplink resources are configured periodically, there are one or more uplink resources in a cycle, according to the uplink resources of the selected camping cell, or the uplink resources of the cell sending the preamble, or the uplink resources of the selected target cell, Select the closest target cell uplink resource corresponding to the time domain.
  • an embodiment of the present invention also provides a method for multi-cell data transmission.
  • the method is applied to the network device shown in FIG. 1.
  • FIG. 5, 5 is a method provided by an embodiment of the present invention.
  • the second flow chart of the multi-cell data transmission method includes:
  • S501 Send transmission configuration information to a UE, where the transmission configuration information includes cell information corresponding to at least two candidate cells, where the candidate cells are used for the UE to perform data transmission in a non-connected state, and the non-connected state includes idle State or inactive state.
  • the network device can pre-configure the transmission configuration information and send it to the UE, and at the same time can receive the data sent by the UE through the uplink resources of at least two target cells in the disconnected state, so as to ensure that the UE sends the data.
  • the reliability of the data can be pre-configure the transmission configuration information and send it to the UE, and at the same time can receive the data sent by the UE through the uplink resources of at least two target cells in the disconnected state, so as to ensure that the UE sends the data. The reliability of the data.
  • sending transmission configuration information to the UE in step S501 includes:
  • the RRC release message includes the foregoing transmission configuration information.
  • sending transmission configuration information to the UE in step S501 includes:
  • the SIB includes the above-mentioned transmission configuration information.
  • the foregoing transmission configuration information includes:
  • the multi-cell data transmission condition includes at least one of the following information: a data transmission volume threshold, data service type information, an indication of allowing multi-cell data transmission, and a data reliability threshold.
  • the UE after the UE receives the foregoing transmission configuration information, when the data to be sent by the UE meets the foregoing multi-cell data transmission conditions, the UE will select at least two target cells from the candidate cells according to the foregoing transmission configuration information, and then select at least two target cells from the candidate cells according to the foregoing transmission configuration information. Data sent through the uplink resources of the selected target cell in the connected state.
  • the foregoing transmission configuration information includes:
  • the UE can select at least two candidate cells as target cells according to the measured cell signal quality of each candidate cell, where the cell signal quality of the target cell meets the above-mentioned signal quality.
  • the quality threshold, and/or the number of target cells is less than or equal to the maximum number of cells for multi-cell transmission.
  • the foregoing transmission configuration information includes:
  • At least two RLC association groups, or target cell indication information the RLC association group includes at least one candidate cell, and the target cell indication information is used to indicate the target cell.
  • the UE may select a candidate cell from each RLC association group as the target cell; or, use the candidate cell indicated in the above-mentioned target cell indication information as the target cell .
  • the above-mentioned transmission configuration information also includes the uplink resources of each candidate cell, and in the above-mentioned step S502, it is received that the UE sends data on the uplink resources of at least two target cells in a disconnected state.
  • Data including:
  • the at least two target cells mentioned above belong to the same TA group
  • the first target cell is any one of the following cells: the target cell where the UE currently resides, the target cell with the strongest signal among the at least two target cells, and the original host A cell, a cell designated by a network device, and any one of the at least two target cells.
  • the receiving of data sent by the UE on the uplink resources of at least two target cells in a non-connected state in the foregoing step S502 includes:
  • the network device described in the corresponding embodiment in FIG. 5 above has the same functions implemented by the network device described in the corresponding embodiment in FIG. 4, and the specific content can refer to the description in the corresponding embodiment in FIG. 4 Network equipment, I won't repeat it here.
  • a network device can pre-configure transmission configuration information.
  • the transmission configuration information includes cell information corresponding to at least two candidate cells.
  • the candidate cells are used by the UE in a disconnected state. Perform data transmission, and then send the transmission configuration information to the UE, and receive the data sent by the UE on the uplink resources of at least two target cells in a disconnected state.
  • the at least two target cells are the UE according to the transmission configuration information from the above Determined in at least two candidate cells. That is, in the embodiment of the present invention, when the UE is in a disconnected state and has data to send, it will select at least two cells to send separately according to the transmission configuration information obtained from the network device, thereby improving the network device to receive the data. The possibility of ensuring the reliability of the data transmitted by the UE.
  • an embodiment of the present invention also provides a device for multi-cell data transmission.
  • the device is applied to the UE shown in FIG. 1.
  • FIG. 6, 6 is a multi-cell data transmission device provided by an embodiment of the present invention.
  • the above-mentioned multi-cell data transmission device 60 includes:
  • the acquiring module 601 is configured to acquire transmission configuration information, where the transmission configuration information includes cell information corresponding to at least two candidate cells, and the candidate cells are used by the UE to perform data transmission in a disconnected state. Including idle state or inactive state.
  • the selection module 602 is configured to select at least two target cells from the candidate cells according to the transmission configuration information when the UE has data to send.
  • the transmission module 603 is configured to send data on the uplink resources of the at least two target cells respectively.
  • the obtaining module 601 is used to:
  • the obtaining module 601 is used to:
  • the acquiring the transmission configuration information from a network device includes:
  • An RRC release message is received from the network device, where the RRC release message includes the transmission configuration information.
  • the acquiring the transmission configuration information from a network device includes:
  • the SIB is received from the network device, and the SIB includes the above-mentioned transmission configuration information.
  • the foregoing transmission configuration information includes multi-cell data transmission conditions
  • the multi-cell data transmission conditions include at least one of the following information: data volume threshold, data service type information, and multi-cell data transmission allowed The instructions and data reliability thresholds;
  • the above-mentioned multi-cell data transmission device 60 further includes:
  • the determining module is configured to determine whether the data to be sent by the UE meets the multi-cell data transmission condition; if the data to be sent by the UE meets the multi-cell data transmission condition, continue to execute the selection module 602.
  • the transmission configuration information includes a signal quality threshold for selecting the target cell, and/or the maximum number of cells for multi-cell transmission;
  • the selection module 602 is used to:
  • each candidate cell selects at least two candidate cells as the target cell, or select the cell where the UE currently resides and at least one candidate cell as the target cell; where The cell signal quality of the target cell meets the signal quality threshold, and/or the number of target cells is less than or equal to the maximum number of cells for multi-cell transmission.
  • the transmission configuration information includes at least two RLC association groups, or target cell indication information, and the RLC association group includes at least one candidate cell.
  • the selection module 602 is used to:
  • a candidate cell is selected from each RLC association group as the target cell.
  • the transmission configuration information also includes the uplink resources of each candidate cell, and the transmission module 603 is configured to:
  • the data is sent on the uplink resources of each target cell respectively, and the preamble sequence is sent on the uplink resources of the first target cell among the at least two target cells, so
  • the first target cell is any one of the following cells: the target cell where the UE currently camps, the target cell with the strongest signal among the at least two target cells, the original primary cell, the cell designated by the network device, the at least Any one of the two target cells.
  • the device further includes:
  • the reading module is used to read the system information of the target cell and obtain the uplink resources of the target cell.
  • the transmission module 603 is used to:
  • the same data is sent on the uplink resources of the at least two target cells, or different data is sent on the uplink resources of the at least two target cells.
  • the device 60 for multi-cell data transmission provided by the embodiment of the present invention is applied to a UE.
  • the transmission configuration information is obtained.
  • the transmission configuration information includes cell information corresponding to at least two candidate cells.
  • at least two target cells are selected from the candidate cells according to the foregoing transmission configuration information, and the data are respectively sent on the uplink resources of the selected at least two target cells. That is, in the embodiment of the present invention, when the UE is in a disconnected state and has data to send, it will select at least two cells to send separately according to the acquired transmission configuration information, thereby increasing the possibility of the network device receiving the data , Thereby ensuring the reliability of the data transmitted by the UE.
  • an embodiment of the present invention also provides an apparatus for multi-cell data transmission.
  • the apparatus is applied to the network equipment shown in FIG. 1.
  • FIG. 7, 7 is a device provided by an embodiment of the present invention.
  • the second block diagram of the multi-cell data transmission device, the above-mentioned multi-cell data transmission device 70 includes:
  • the sending module 701 is configured to send transmission configuration information to the UE.
  • the transmission configuration information includes cell information corresponding to at least two candidate cells.
  • the candidate cells are used for the UE to perform data transmission in a disconnected state.
  • the state includes idle state or inactive state.
  • the receiving module 702 is configured to receive data sent by the UE on the uplink resources of at least two target cells in a disconnected state, where the at least two target cells are selected by the UE from the at least two candidate cells according to the transmission configuration information. Determined in the cell.
  • the sending module 701 is used to:
  • the sending module 701 is used to:
  • the SIB is sent to the UE, and the SIB includes the transmission configuration information.
  • the transmission configuration information includes:
  • Multi-cell data transmission conditions include at least one of the following information: a data transmission volume threshold, data service type information, an indication of allowing multi-cell data transmission, and a data reliability threshold.
  • the foregoing transmission configuration information includes:
  • the foregoing transmission configuration information includes:
  • At least two RLC association groups, or target cell indication information the RLC association group includes at least one candidate cell, and the above target cell indication information is used to indicate the target cell.
  • the transmission configuration information further includes uplink resources corresponding to each candidate cell;
  • the receiving module 702 is used for:
  • receiving data sent by the UE through the uplink resources of each target cell in a non-connected state and receiving uplink resources of the UE through a first target cell of the at least two target cells in a non-connected state
  • the at least two target cells belong to the same TA group, and the first target cell is any one of the following cells: the target cell where the UE currently camps, the at least two target cells The target cell with the strongest signal among the target cells, the original primary cell, the cell designated by the network device, and any one of the at least two target cells.
  • the device 70 for multi-cell data transmission is applied to a network device.
  • the network device may pre-configure transmission configuration information.
  • the transmission configuration information includes cell information corresponding to at least two candidate cells.
  • the UE performs data transmission in a disconnected state, and then sends transmission configuration information to the UE, and receives data sent by the UE on the uplink resources of at least two target cells in the disconnected state.
  • the at least two target cells are based on the UE
  • the foregoing transmission configuration information is determined from the foregoing at least two candidate cells.
  • the UE when the UE is in a disconnected state and has data to send, it will select at least two cells to send separately according to the transmission configuration information obtained from the network device, thereby improving the network device to receive the data.
  • an embodiment of the present invention also provides a user equipment, including: at least one processor and a memory; the memory stores computer-executable instructions; at least one processor executes the computer-executable instructions stored in the memory, so that at least one processor executes as shown in FIG. The method of multi-cell data transmission described in 4.
  • an embodiment of the present invention also provides a network device, including: at least one processor and a memory; the memory stores computer-executable instructions; at least one processor executes the computer-executable instructions stored in the memory, so that at least one processor executes as shown in FIG. 5. The method of multi-cell data transmission described in 5.
  • the user equipment and network equipment provided in the foregoing embodiment can be respectively used to implement the technical solutions of the foregoing method embodiments, and their implementation principles and technical effects are similar, and details are not described herein again in this embodiment.
  • FIG. 8 is a schematic diagram of the hardware structure of a device according to an embodiment of the present invention.
  • the device 80 when the device 80 is the UE shown in FIG. 1, the device 80 includes: a processor 801 and a memory 802; wherein:
  • the memory 802 is used to store computer execution instructions.
  • the processor 801 is configured to execute computer-executable instructions stored in the memory to implement each step executed by the UE in the foregoing embodiment. For details, refer to the relevant description in the foregoing method embodiment.
  • the device 80 when the device 80 is the network device shown in FIG. 1, the device 80 includes: a processor 801 and a memory 802; wherein:
  • the memory 802 is used to store computer execution instructions.
  • the processor 801 is configured to execute computer-executable instructions stored in the memory to implement each step executed by the network device in the foregoing embodiment. For details, refer to the relevant description in the foregoing method embodiment.
  • the memory 802 may be independent or integrated with the processor 801.
  • the device 80 further includes a bus 803 for connecting the memory 802 and the processor 801.
  • the embodiment of the present invention also provides a computer-readable storage medium, the computer-readable storage medium stores computer-executable instructions, and when the processor executes the computer-executed instructions, the method for multi-cell data transmission applied to the UE as above is realized .
  • the embodiment of the present invention also provides a computer-readable storage medium, the computer-readable storage medium stores computer-executable instructions, and when the processor executes the computer-executable instructions, the above-mentioned multi-cell data transmission applied to network equipment is realized. method.
  • the disclosed device and method may be implemented in other ways.
  • the device embodiments described above are merely illustrative.
  • the division of the modules is only a logical function division, and there may be other divisions in actual implementation, for example, multiple modules can be combined or integrated. To another system, or some features can be ignored, or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or modules, and may be in electrical, mechanical or other forms.
  • modules described as separate components may or may not be physically separated, and the components displayed as modules may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules can be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • the functional modules in the various embodiments of the present invention may be integrated into one processing unit, or each module may exist alone physically, or two or more modules may be integrated into one unit.
  • the units formed by the above modules can be implemented in the form of hardware, or in the form of hardware plus software functional units.
  • the above-mentioned integrated modules implemented in the form of software functional modules may be stored in a computer readable storage medium.
  • the above-mentioned software function module is stored in a storage medium and includes a number of instructions to make a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (English: processor) execute the various embodiments of the present application Part of the method.
  • processor may be a central processing unit (English: Central Processing Unit, abbreviated as: CPU), or other general-purpose processors, digital signal processors (English: Digital Signal Processor, abbreviated as DSP), and application-specific integrated circuits (English: Application Specific Integrated Circuit, referred to as ASIC) etc.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the steps of the method disclosed in combination with the invention can be directly embodied as executed and completed by a hardware processor, or executed and completed by a combination of hardware and software modules in the processor.
  • the memory may include a high-speed RAM memory, or may also include a non-volatile storage NVM, such as at least one disk storage, and may also be a U disk, a mobile hard disk, a read-only memory, a magnetic disk, or an optical disk.
  • NVM non-volatile storage
  • the bus can be an Industry Standard Architecture (ISA) bus, Peripheral Component (PCI) bus, or Extended Industry Standard Architecture (EISA) bus, etc.
  • ISA Industry Standard Architecture
  • PCI Peripheral Component
  • EISA Extended Industry Standard Architecture
  • the bus can be divided into address bus, data bus, control bus and so on.
  • the buses in the drawings of this application are not limited to only one bus or one type of bus.
  • the above-mentioned storage medium can be realized by any type of volatile or non-volatile storage device or their combination, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable Except programmable read only memory (EPROM), programmable read only memory (PROM), read only memory (ROM), magnetic memory, flash memory, magnetic disk or optical disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read-only memory
  • EPROM erasable except programmable read only memory
  • PROM programmable read only memory
  • ROM read only memory
  • magnetic memory flash memory
  • flash memory magnetic disk or optical disk.
  • optical disk any available medium that can be accessed by a general-purpose or special-purpose computer.
  • An exemplary storage medium is coupled to the processor, so that the processor can read information from the storage medium and can write information to the storage medium.
  • the storage medium may also be an integral part of the processor.
  • the processor and the storage medium may be located in Application Specific Integrated Circuits (ASIC for short).
  • ASIC Application Specific Integrated Circuits
  • the processor and the storage medium may also exist as discrete components in the electronic device or the main control device.
  • a person of ordinary skill in the art can understand that all or part of the steps in the foregoing method embodiments can be implemented by a program instructing relevant hardware.
  • the aforementioned program can be stored in a computer readable storage medium. When the program is executed, it executes the steps including the foregoing method embodiments; and the foregoing storage medium includes: ROM, RAM, magnetic disk, or optical disk and other media that can store program codes.

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Abstract

本发明实施例提供一种多小区数据传输的方法与设备，当UE处于非连接态时，获取传输配置信息，该传输配置信息包括至少两个备选小区对应的小区信息，在UE有数据要发送时，根据上述传输配置信息，从上述备选小区中选择至少两个目标小区，并在已选择的至少两个目标小区的上行资源上分别发送数据。即在本发明实施例中，当UE处于非连接态且有数据要发送时，会根据获取的传输配置信息，选择至少两个小区来分别进行发送，从而提升网络设备接收到该数据的可能性，进而保障UE传输的数据的可靠性。

Description

多小区数据传输的方法与设备 技术领域
本发明实施例涉及移动通信技术领域，尤其涉及一种多小区数据传输的方法与设备。
背景技术
随着无线通信技术的飞速发展，现在已经出现了第五代移动通信技术(5th Generation，简称5G)。在5G新空口(New Radio，简称NR)***中，用户设备(User Equipment，简称UE)具有三种状态：空闲态(IDLE)、非激活态(INACTIVE)与连接态(CONNECTED)。
其中，在空闲态，UE与网络设备没有连接，UE只需要定期发起位置更新、小区选择重选流程和接收寻呼等；在连接态，UE与网络设备有连接，网络设备可以对UE进行上下行数据调度；在非激活态，UE在一定的无线接入网(radio access network，简称RAN)通知区域(RAN notification area，简称RNA)范围内移动不需要通知网络设备，UE会保留一定配置，如果UE有数据需要发送，则UE需要迁移到连接态，恢复保留的配置进行数据传输。
UE从空闲态或非激活态向连接态迁移的过程中，UE可以进行数据传输，例如，UE将数据携带在随机接入过程中的第三条消息Msg3中，或者，UE使用网络设备预配置的资源进行数据传输。但是，目前的数据传输方式难以保障UE传输的数据的可靠性。
发明内容
本发明实施例提供一种多小区数据传输的方法与设备，以克服目前UE在非连接态时，现有的数据传输方式难以保障UE传输的数据的可靠性的技术问题。
第一方面，本发明实施例提供一种多小区数据传输的方法，应用于UE，所述UE处于非连接态，所述方法包括：
获取传输配置信息，所述传输配置信息包括至少两个备选小区对应的 小区信息，所述备选小区用于UE在非连接态下进行数据传输，所述非连接态包括空闲态或非激活态；
当所述UE有数据要发送时，根据所述传输配置信息，从所述备选小区中选择至少两个目标小区；
在所述至少两个目标小区的上行资源上分别发送数据。
在一种可能的设计中，所述获取传输配置信息，包括：
从UE预先配置的信息中获取所述传输配置信息，或者从数据传输协议中获取所述传输配置信息。
在一种可能的设计中，所述获取传输配置信息，包括：
从网络设备获取所述传输配置信息。
在一种可能的设计中，所述从网络设备获取所述传输配置信息，包括：
从所述网络设备接收无线资源控制(Radio Resource Control，简称RRC)释放(release)消息，所述RRC释放消息中包括所述传输配置信息。
在一种可能的设计中，所述从网络设备获取传输配置信息，包括：
从所述网络设备接收***信息块(System Information Block，简称SIB)，所述SIB中包括所述传输配置信息。
在一种可能的设计中，所述传输配置信息中包括多小区数据传输条件，所述多小区数据传输条件包括以下信息中的至少一项：数据量门限、数据业务类型信息、允许多小区数据传输的指示和数据可靠性门限；
所述根据所述传输配置信息，从所述备选小区中选择至少两个目标小区之前，还包括：
确定所述UE要发送的数据是否满足所述多小区数据传输条件；
若所述UE要发送的数据满足所述多小区数据传输条件，则继续执行所述根据所述传输配置信息，从所述备选小区中选择至少两个目标小区的步骤。
在一种可能的设计中，所述传输配置信息中包括选择所述目标小区的信号质量门限，和/或多小区传输最大小区个数；
所述根据所述传输配置信息，从所述备选小区中选择至少两个目标小区，包括：
根据测得的各个备选小区的小区信号质量，选择至少两个备选小区作 为所述目标小区，或者，选择UE当前驻留的小区和至少一个备选小区作为所述目标小区；其中，所述目标小区的小区信号质量满足所述信号质量门限，和/或所述目标小区的个数小于或等于所述多小区传输最大小区个数。
在一种可能的设计中，所述传输配置信息中包括至少两个无线链路控制层(Radio Link Control，简称RLC)关联组，或目标小区指示信息，每个所述RLC关联组中至少包括一个备选小区；
所述根据所述传输配置信息，选择至少两个目标小区，包括：
分别从各个RLC关联组中选择一个备选小区作为所述目标小区；
或者，将所述目标小区指示信息中指示的备选小区作为所述目标小区。
在一种可能的设计中，所述传输配置信息中还包括各个备选小区的上行资源，所述在所述至少两个目标小区的上行资源上分别发送数据，包括：
在各个目标小区的上行资源上均发送前导序列与数据；
或者，当所述UE的定时提前(Timing Advance，简称TA)有效，或者所述UE不需要TA时，在各个目标小区的上行资源上分别发送数据；
或者，当所有目标小区均属于同一个TA组时，在各个目标小区的上行资源上分别发送数据，且在所述至少两个目标小区中的第一目标小区的上行资源上发送前导序列，所述第一目标小区为以下小区中的任意一个：所述UE当前驻留的目标小区、所述至少两个目标小区中信号最强的目标小区、原主小区、网络设备指定的小区、所述至少两个目标小区中任意一个目标小区。
在一种可能的设计中，所述在所述至少两个目标小区的上行资源上分别发送数据之前，包括：
读取目标小区的***消息，获取所述目标小区的上行资源。
在一种可能的设计中，所述在所述至少两个目标小区的上行资源上分别发送数据，包括：
在所述至少两个目标小区的上行资源上分别发送相同的数据，或者在所述至少两个目标小区的上行资源上分别发送不同的数据。
第二方面，本发明实施例提供一种多小区数据传输的方法，应用于网络设备，所述方法包括：
向UE发送传输配置信息，所述传输配置信息包括至少两个备选小区 对应的小区信息，所述备选小区用于UE在非连接态下进行数据传输，所述非连接态包括空闲态或非激活态；
接收所述UE在非连接态下通过至少两个目标小区的上行资源上发送的数据，所述至少两个目标小区是所述UE根据所述传输配置信息从所述至少两个备选小区中确定的。
在一种可能的设计中，所述向UE发送传输配置信息，包括：
向UE发送RRC释放消息，所述RRC释放消息中包括所述传输配置信息。
在一种可能的设计中，所述向UE发送传输配置信息，包括：
向UE发送SIB，所述SIB中包括所述传输配置信息。
在一种可能的设计中，所述传输配置信息中包括：
多小区数据传输条件，所述多小区数据传输条件包括以下信息中的至少一项：数据发送量门限、数据业务类型信息、允许多小区数据传输的指示和数据可靠性门限。
在一种可能的设计中，所述传输配置信息中包括：
选择所述目标小区的信号质量门限，和/或多小区传输最大小区个数。
在一种可能的设计中，所述传输配置信息中包括：
至少两个RLC关联组，或目标小区指示信息，各个所述RLC关联组中至少包括一个备选小区，所述目标小区指示信息用于指示所述目标小区。
在一种可能的设计中，所述传输配置信息中还包括所述各个备选小区对应的上行资源；
所述接收所述UE在非连接态下通过至少两个目标小区的上行资源上发送的数据，包括：
接收所述UE在非连接态下通过各个目标小区的上行资源上发送的前导序列与数据；
或者，接收所述UE在非连接态下通过各个目标小区的上行资源上发送的数据，其中，所述UE的TA有效，或者所述UE不需要TA；
或者，接收所述UE在非连接态下通过各个目标小区的上行资源上发送的数据，以及接收所述UE在非连接态下通过所述至少两个目标小区中的第一目标小区的上行资源上发送的前导序列，其中，所述至少两个目标 小区均属于同一个TA组，所述第一目标小区为以下小区中的任意一个：所述UE当前驻留的目标小区、所述至少两个目标小区中信号最强的目标小区、原主小区、网络设备指定的小区、所述至少两个目标小区中任意一个目标小区。
在一种可能的设计中，所述接收所述UE在非连接态下通过至少两个目标小区的上行资源上发送的数据，包括：
接收所述UE在非连接态下通过各个目标小区的上行资源上发送的相同的数据；或者接收所述UE在非连接态下通过各个目标小区的上行资源上发送的不同的数据。
第三方面，本发明实施例提供一种多小区数据传输的装置，应用于UE，所述UE处于非连接态，所述装置包括：
获取模块，用于获取传输配置信息，所述传输配置信息包括至少两个备选小区对应的小区信息，所述备选小区用于UE在非连接态下进行数据传输，所述非连接态包括空闲态或非激活态；
选择模块，用于当所述UE有数据要发送时，根据所述传输配置信息，从所述备选小区中选择至少两个目标小区；
传输模块，用于在所述至少两个目标小区的上行资源上分别发送数据。
第四方面，本发明实施例提供一种多小区数据传输的装置，应用于网络设备，所述装置包括：
发送模块，用于向UE发送传输配置信息，所述传输配置信息包括至少两个备选小区对应的小区信息，所述备选小区用于UE在非连接态下进行数据传输，所述非连接态包括空闲态或非激活态；
接收模块，用于接收所述UE在非连接态下通过至少两个目标小区的上行资源上发送的数据，所述至少两个目标小区是所述UE根据所述传输配置信息从所述至少两个备选小区中确定的。
第五方面，本发明实施例提供一种用户设备，包括：至少一个处理器和存储器；
所述存储器存储计算机执行指令；
所述至少一个处理器执行所述存储器存储的计算机执行指令，使得所述至少一个处理器执行如第一方面提供的多小区数据传输的方法。
第六方面，本发明实施例提供一种网络设备，包括：至少一个处理器和存储器；
所述存储器存储计算机执行指令；
所述至少一个处理器执行所述存储器存储的计算机执行指令，使得所述至少一个处理器执行如第二方面提供的多小区数据传输的方法。
第七方面，本发明实施例提供一种计算机可读存储介质，所述计算机可读存储介质中存储有计算机执行指令，当处理器执行所述计算机执行指令时，实现如第一方面提供的多小区数据传输的方法。
第八方面，本发明实施例提供一种计算机可读存储介质，所述计算机可读存储介质中存储有计算机执行指令，当处理器执行所述计算机执行指令时，实现如第二方面提供的多小区数据传输的方法。
本发明实施例所提供的多小区数据传输的方法与设备，当UE处于非连接态时，获取传输配置信息，该传输配置信息包括至少两个备选小区对应的小区信息，在UE有数据要发送时，根据上述传输配置信息，从上述备选小区中选择至少两个目标小区，并在已选择的至少两个目标小区的上行资源上分别发送数据。即在本发明实施例中，当UE处于非连接态且有数据要发送时，会根据获取的传输配置信息，选择至少两个小区来分别进行发送，从而提升网络设备接收到该数据的可能性，进而保障UE传输的数据的可靠性。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图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性的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例提供的多小区数据传输的***的架构示意图；
图2为本发明实施例提供的多小区数据传输的方法中进行状态迁移的信令示意图一；
图3为本发明实施例提供的多小区数据传输的方法中进行状态迁移的信令示意图二；
图4为本发明实施例提供的多小区数据传输的方法的流程示意图一；
图5为本发明实施例提供的多小区数据传输的方法的流程示意图二；
图6为本发明实施例提供的多小区数据传输的装置的模块示意图一；
图7为本发明实施例提供的多小区数据传输的装置的模块示意图二；
图8为本发明实施例提供的一种设备的硬件结构示意图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，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一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
参照图1，图1为本发明实施例提供的多小区数据传输的***的架构示意图。本实施例提供的多小区数据传输的***包括UE101和网络设备102。
其中，UE101可以为指各种形式的用户设备、接入终端、用户单元、用户站、移动站、移动台(mobile station，简称MS)、远方站、远程终端、移动设备、终端设备(terminal equipment)、无线通信设备、用户代理或用户装置。还可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol，简称SIP)电话、无线本地环路(Wireless Local Loop，简称WLL)站、掌上电脑(Personal Digital Assistant，简称PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备，未来5G网络中的终端设备或者未来演进的公用陆地移动通信网络(Public Land Mobile Network，简称PLMN)中的终端设备等，本申请实施例对此并不限定，只要该UE101能够与网络设备102无线通信即可。
本申请实施例定义接入网到UE的单向通信链路为下行链路，在下行链路上传输的数据为下行数据，下行数据的传输方向称为下行方向；而UE到接入网的单向通信链路为上行链路，在上行链路上传输的数据为上行数据，上行数据的传输方向称为上行方向。
其中，网络设备102即公用移动通信网络设备，是UE101接入互联网的接口设备，也是无线电台站的一种形式，是指在一定的无线电覆盖区中， 与UE101之间进行信息传递的无线电收发信电台，包括基站(base station，简称BS)，也可称为基站设备，是一种部署在无线接入网(RAN)用以提供无线通信功能的装置。例如在2G网络中提供基站功能的设备包括基地无线收发站(base transceiver station，简称BTS)，3G网络中提供基站功能的设备包括节点B(NodeB)，在4G网络中提供基站功能的设备包括演进的节点B(evolved NodeB，eNB)，在无线局域网络(wireless local area networks，简称WLAN)中，提供基站功能的设备为接入点(access point，简称AP)，5G NR中的提供基站功能的设备gNB,以及继续演进的节点B(ng-eNB),其中gNB和UE之间采用NR技术进行通信，ng-eNB和UE之间采用演进的通用陆地无线接入网络(Evolved Universal Terrestrial Radio Access,简称E-UTRA)技术进行通信，gNB和ng-eNB均可连接到5G核心网。本申请实施例中的基站还包含在未来新的通信***中提供基站功能的设备等。
在本发明实施例中，UE101通过无线通信网络与网络设备102通信连接，本发明实施例中的多小区数据传输的方法可以由UE101来执行，也可以由网络设备102来执行，还可以是由UE101和网络设备102共同执行。例如，在一些实施例中，网络设备102发送通知信息给UE101；UE101在接收到该通知信息后，基于该通知信息执行相应的任务事项。下面采用详细的实施例进行详细说明。
本发明实施例中，UE在处于非连接态时，如果需要发起数传，需要进行随机接入过程迁移到连接(connected)态，具体可参照图2，图2为本发明实施例提供的多小区数据传输的方法中进行状态迁移的信令示意图一，本发明实施例中，UE从非连接态迁移到连接态的过程包括：
第一步：UE从满足条件的小区主辅同步信号(Synchronization Signal，简称SS)/物理广播信道(Physical Broadcast Channel，PBCH)资源块(又简称为SSB)中，或者信道状态信息参考信号(Channel State Information Reference Signals，简称CSI-RS)中选择一个SSB或CSI-RS，然后选择一个前导序列(preamble)，在允许发起的时频资源上发送随机接入前导序列，即Msg1：Random Access Preamble。
第二步：UE接收网络设备发送的随机接入响应，即Msg2：Random  Access Response，其包含TA信息。
第三步：UE使用Msg2中收到的授权，发送调度传输信息，即Msg3：Scheduled Transmission。
第四步：UE若接收到冲突解决信息，即Msg4：Contention Resolution，则认为冲突解决成功，随机接入过程成功，如果在一定时间内没有收到基站的调度，则认为冲突解决失败。
为了加速随机接入过程，减少时延并且减少消息数，提出使用两步随机接入的过程，具体可参照图3，图3为本发明实施例提供的多小区数据传输的方法中进行状态迁移的信令示意图二。
图3中，MsgA包含原来的Msg1和Msg3信息，即包含在物理随机接入信道(Physical Random Access Channel，简称PRACH)上发送的preamble和物理上行共享信道(Physical Uplink Shared Channel，简称PUSCH)上发送的有效荷载(payload)部分；MsgB包含Msg2和Msg4信息。或者MsgA只包含在PUSCH上发送的payload部分。
本发明实施例中，为了在非连接态下发送数据，可以在Msg3或者MsgA中除了发送RRC消息，还携带数据data。
基于上述理论，本发明实施例提出一种多小区数据传输的方法。
参照图4，图4为本发明实施例提供的多小区数据传输的方法的流程示意图一，本实施例的执行主体为图1所示实施例中的UE，且UE处于非连接态。如图4所示，该方法包括：
S401、获取传输配置信息，该传输配置信息包括至少两个备选小区对应的小区信息，上述备选小区用于UE在非连接态下进行数据传输，上述非连接态包括空闲态或非激活态。
本发明实施例中，当UE处于非连接态时，可以获取传输配置信息，该传输配置信息包括至少两个备选小区对应的小区信息。其中，上述备选小区用于UE在非连接态下进行数据传输，上述非连接态包括空闲态(RRC_IDLE)和非激活态(RRC_INACTIVE)。
其中，上述小区信息可以包括各个备选小区的小区标识、上行资源等。
S402、当UE有数据要发送时，根据上述传输配置信息，从上述备选小区中选择至少两个目标小区。
本发明实施例中，当UE在非连接态，且有数据要发送时，根据上述传输配置信息，从上述备选小区中选择至少两个目标小区。例如，可以根据上述传输配置信息，从所有备选小区中选择两个最适合传输数据的小区作为目标小区。
S403、在所述至少两个目标小区的上行资源上分别发送数据。
其中，各个目标小区可以是不同频点的小区，如果各个目标小区均属于同一基站，则进行载波聚合(Carrier Aggregation，简称CA)操作，如果各个目标小区不属于同一基站，则进行双连接(Dual-Connectivity，简称DC)操作。
其中，CA操作可以将多个载波(Component Carrier，CC)聚合在一起，实现最大100MHz的传输带宽，能够有效提高上行传输速率；DC操作可以实现通过多个基站进行数据传输。
可以理解的是，上述通过至少两个目标小区的上行资源上分别发送相同数据的方式，即为重复传输(duplication)方式。通过多个路径传输相同的数据，从而能够提升数据传输的可靠性，并降低传输时延。或者通过至少两个目标小区的上行资源上分别发送不同的数据，从而能提高传输效率和降低数传时延。
本发明实施例所提供的多小区数据传输的方法与设备，当UE处于非连接态时，获取传输配置信息，该传输配置信息包括至少两个备选小区对应的小区信息，在UE有数据要发送时，根据上述传输配置信息，从上述备选小区中选择至少两个目标小区，并在已选择的至少两个目标小区的上行资源上分别发送数据。即在本发明实施例中，当UE处于非连接态且有数据要发送时，会根据获取的传输配置信息，选择至少两个小区来分别进行发送，从而提升网络设备接收到该数据的可能性，进而保障UE传输的数据的可靠性。
进一步的，基于上述实施例中所描述的内容，在一种可行的实施例中，上述步骤S401中获取传输配置信息，包括：
从UE预先配置的信息中获取传输配置信息，或者从数据传输协议中获取传输配置信息。
即本发明实施例中，上述传输配置信息可以存储在UE预先配置的信 息中。或者，在UE对应的数据传输协议中预先写入上述传输配置信息。
进一步的，基于上述实施例中所描述的内容，在另一种可行的实施例中，上述步骤S401中获取传输配置信息，包括：
从网络设备获取传输配置信息。
具体的，从网络设备获取传输配置信息，可以包括以下两种方式：
方式一：
从网络设备接收RRC release消息，该RRC release消息中包括上述传输配置信息。其中网络会使用RRC release消息将UE迁移到非connected态，在该RRC release消息中可以指示UE保留无线承载等配置信息，同时也配置上述传输配置信息，每个UE的配置可以不同。
其中，上述传输配置信息可以包括各个备选小区对应的上行资源(其中，UE可以使用这些上行资源发送数据)、各个备选小区的小区标识信息，以及以下信息中的一个或多个：
目标小区的信号质量门限，满足该信号质量门限的小区才能进行多小区传输；多小区传输最大小区个数；允许只发一个前导序列(preamble)的指示；发送preamble的小区的条件；preamble和上行资源的对应关系，其中，基站可以通过接收到的preamble判断出UE上行传输的资源，并在对应的资源上接收UE发送的数据；多小区间功率分配比例；至少两个RLC关联组，其中，一个RLC配置关联一个或多个小区或者频点。
即在本发明实施例中，UE可以通过从网络设备接收的RRC release消息，来获取上述传输配置信息。
方式二：
从网络设备接收SIB，该SIB中包括上述传输配置信息。非连接态的UE会基于小区测量重选参数进行小区选择或重选，并在一个小区驻留，当小区重选到新小区后需要读取SIB，获得该小区的相关信息，其中也配置了上述传输配置信息，此时获取的信息每个UE都一样。
其中，在SIB中配置的传输配置信息，与上述实施例中在RRC release消息中配置的传输配置信息一致，具体可参照上述实施例，在此不再赘述。
即在本发明实施例中，UE可以通过从网络设备接收的SIB，来获取上述传输配置信息。
另外，本发明另一种可行的实施例中，UE可以同时从网络设备接收RRC release消息和SIB，当RRC release消息中的传输配置信息和SIB中的传输配置信息有冲突时，如果出现冲突的是上行资源，则以SIB中的传输配置信息为准。
进一步的，基于上述实施例中所描述的内容，在一种可行的实施例中，上述传输配置信息中包括多小区数据传输条件，该多小区数据传输条件包括以下信息中的至少一项：数据量门限、数据业务类型信息、允许多小区数据传输的指示和数据可靠性门限；
上述步骤S402中根据传输配置信息，从备选小区中选择至少两个目标小区之前，还包括：
确定UE要发送的数据是否满足上述多小区数据传输条件；若满足，则继续执行步骤S402。
其中，本发明实施例提供的多小区数据传输的方法，可以针对于小包数据传输，例如UE要发送的数据的数据量需要小于所述数据量门限值时，才采用多小区数据传输。
上述多小区数据传输的方法，也可以针对于特定的业务类型，所述数据业务类型信息可以包括逻辑信道信息或无线承载(Radio Bearer，简称RB)信息，UE比较需要发送的数据信息来判断是否采用多小区数据传输。比如对UE要发送的数据的逻辑信道或RB符合上述数据业务类型信息等时，才采用多小区数据传输。
上述多小区数据传输的方法，还可以针对于可靠性要求高的业务，比如对UE要发送的数据的是高可靠性要求的业务，比如URLLC(Ultra-Reliable Low-Latency Communication，高可靠低时延)业务，才采用多小区数据传输。
上述多小区数据传输的方法，还可以基于上述允许多小区数据传输的指示，比如当多小区数据传输条件包含上述允许多小区数据传输的指示时，则UE才采用多小区数据传输。
进一步的，基于上述实施例中所描述的内容，在一种可行的实施例中，传输配置信息中包括各个备选小区的小区信息，与目标小区的信号质量门限，和/或多小区传输最大小区个数。
上述步骤S402中根据传输配置信息，从备选小区中选择至少两个目标小区，包括：
根据测得的各个备选小区的小区信号质量，选择至少两个备选小区作为所述目标小区，或者，选择UE当前驻留的小区和至少一个备选小区作为所述目标小区；其中，目标小区的小区信号质量满足信号质量门限，和/或目标小区的个数小于或等于上述多小区传输最大小区个数。
其中，本发明实施例中，可以按照各个备选小区的小区信号质量，对各个备选小区进行排序，然后确定目标小区的数量N(N≥2)，将排序结果中小区信号质量最好的前N个备选小区确定为目标小区。
另外，也可以根据备选小区列表，选择满足上述信号质量门限的备选小区作为目标小区。
在另一种可行的实施例中，传输配置信息中包括至少两个RLC关联组，或目标小区指示信息，上述RLC关联组中至少包括一个备选小区。
上述步骤S402中根据传输配置信息，从备选小区中选择至少两个目标小区，还包括：
分别从各个RLC关联组中选择一个备选小区作为所述目标小区，进一步，选择的目标小区不超过所述多小区传输最大小区个数；或者，将上述目标小区指示信息中指示的备选小区作为目标小区。
即本发明实施例中，目标小区可以是RLC关联组中的小区，也可以是网络设备指定的备选小区，其中，该目标小区的小区信号质量同样满足上述信号质量门限。
另外，本发明实施例中，目标小区还可以是网络设备配置的小区，例如在连接态下配置CA或DC操作的小区，可以选择其中至少两个作为目标小区。
进一步的，基于上述实施例中所描述的内容，在一种可行的实施例中，传输配置信息中还包括各个备选小区的上行资源，上述步骤S403中在至少两个目标小区的上行资源上分别发送数据，包括：
在各个目标小区的上行资源上均发送前导序列与数据；
或者，当UE的TA有效，或者UE不需要TA时，在各个目标小区的上行资源上分别发送数据；
或者，当所有目标小区均属于同一个TA组(TA group)时，在各个目标小区的上行资源上分别发送数据，且在至少两个目标小区中的第一目标小区的上行资源上发送前导序列。第一目标小区为以下小区中的任意一个：UE当前驻留的目标小区、上述至少两个目标小区中信号最强的目标小区、原主小区、网络设备指定的小区、所述至少两个目标小区中任意一个目标小区。
其中，上述数据可以是RRC消息、UE标识(ID)、业务数据等。
其中，当所有目标小区均属于同一个TA组时，可以从所有目标小区中选择一个目标小区来发送preamble，选择的发送preamble的目标小区的方式包括：UE基于网络预先配置的小区信息选择、选择UE当前驻留小区、选择备选小区中信号最强的小区、原主小区(Pcell)、选择网络设备指定的小区等。
其中，网络设备可以通过UE发送的preamble和/或对应的上行资源，确定UE正在进行多小区传输；或者也可以通过UE在所发送的数据内增加的指示信息，来确定UE正在进行多小区传输。
其中，如果采用duplication传输方式，则在UE发送数传后，以最后一个发送完成的时间点为准启动timer接收响应消息，如果收到其中一个小区的响应，则认为传输成功。
其中，如果在上述传输配置信息中不包含选择的目标小区的上行资源，则需要读取对应目标小区的***消息，获取相关上行资源。由于上行资源是周期配置，在一个周期内存在一个或多个上行资源，则根据已选择的驻留小区的上行资源，或者发送preamble的小区的上行资源，或者已选择的目标小区的上行资源，选择对应时域最近的目标小区上行资源。
进一步的，基于上述实施例描述的内容，本发明实施例还提供一种多小区数据传输的方法，该方法应用于图1所示的网络设备，参照图5，5为本发明实施例提供的多小区数据传输的方法的流程示意图二，上述多小区数据传输的方法包括：
S501、向UE发送传输配置信息，所述传输配置信息包括至少两个备选小区对应的小区信息，所述备选小区用于UE在非连接态下进行数据传输，所述非连接态包括空闲态或非激活态。
S502、接收所述UE在非连接态下通过至少两个目标小区的上行资源上发送的数据，所述至少两个目标小区是所述UE根据所述传输配置信息从所述至少两个备选小区中确定的。
即在本发明实施例中，网络设备可以预先配置传输配置信息，并发送至UE，同时可以接收UE在非连接态下通过至少两个目标小区的上行资源上发送的数据，从而确保UE发送的数据的可靠性。
进一步的，在一种可行的实施例中，上述步骤S501中向UE发送传输配置信息，包括：
向UE发送RRC release消息，该RRC releas消息中包括上述传输配置信息。
进一步的，在一种可行的实施例中，上述步骤S501中向UE发送传输配置信息，包括：
向UE发送SIB，该SIB中包括上述传输配置信息。
进一步的，在一种可行的实施例中，上述传输配置信息中包括：
多小区数据传输条件，该多小区数据传输条件包括以下信息中的至少一项：数据发送量门限、数据业务类型信息、允许多小区数据传输的指示和数据可靠性门限。
其中，UE在接收到上述传输配置信息后，当UE要发送的数据满足上述多小区数据传输条件时，UE会根据上述传输配置信息，从备选小区中选择至少两个目标小区，然后在非连接态下通过选择的目标小区的上行资源上发送的数据。
进一步的，在一种可行的实施例中，上述传输配置信息中包括：
选择目标小区的信号质量门限，和/或多小区传输最大小区个数。
其中，UE在接收到上述传输配置信息后，UE可以根据测得的各个备选小区的小区信号质量，选择至少两个备选小区作为目标小区，其中，该目标小区的小区信号质量满足上述信号质量门限，和/或目标小区的个数小于或等于多小区传输最大小区个数。
进一步的，在一种可行的实施例中，上述传输配置信息中包括：
至少两个RLC关联组，或目标小区指示信息，所述RLC关联组中至少包括一个备选小区，该目标小区指示信息用于指示所述目标小区。
其中，UE在接收到上述传输配置信息后，可以分别从各个RLC关联组中选择一个备选小区作为所述目标小区；或者，将上述目标小区指示信息中指示的备选小区作为所述目标小区。
进一步的，在一种可行的实施例中，上述传输配置信息中还包括各个备选小区的上行资源，上述步骤S502中接收UE在非连接态下通过至少两个目标小区的上行资源上发送的数据，包括：
接收UE在非连接态下通过各个目标小区的上行资源上发送的前导序列与数据。
或者，接收UE在非连接态下通过各个目标小区的上行资源上发送的数据，其中，UE的TA有效；或者UE不需要TA。
或者，接收UE在非连接态下通过各个目标小区的上行资源上发送的数据，以及接收UE在非连接态下通过所述至少两个目标小区中的第一目标小区的上行资源上发送前导序列，其中，上述至少两个目标小区均属于同一个TA组，第一目标小区为以下小区中的任意一个：UE当前驻留的目标小区、至少两个目标小区中信号最强的目标小区、原主小区、网络设备指定的小区、所述至少两个目标小区中任意一个目标小区。
进一步的，在一种可行的实施例中，上述步骤S502中接收UE在非连接态下通过至少两个目标小区的上行资源上发送的数据，包括：
接收UE在非连接态下通过各个目标小区的上行资源上发送的相同的数据；或者接收UE在非连接态下通过各个目标小区的上行资源上发送的不同的数据。
需要说明的是，上述图5对应实施例中所描述的网络设备，与上述图4对应实施例中所描述的网络设备所实现的功能一致，具体内容可以参照图4对应实施例中所描述的网络设备，在此不再赘述。
本发明实施例所提供的多小区数据传输的方法，网络设备可以预先配置传输配置信息，该传输配置信息包括至少两个备选小区对应的小区信息，该备选小区用于UE在非连接态下进行数据传输，然后向UE发送传输配置信息，并接收UE在非连接态下通过至少两个目标小区的上行资源上发送的数据，上述至少两个目标小区是UE根据上述传输配置信息从上述至少两个备选小区中确定的。即在本发明实施例中，当UE处于非连接态且 有数据要发送时，会根据从网络设备获取的传输配置信息，选择至少两个小区来分别进行发送，从而提升网络设备接收到该数据的可能性，进而保障UE传输的数据的可靠性。
进一步的，基于上述实施例描述的内容，本发明实施例还提供一种多小区数据传输的装置，该装置应用于图1所示的UE，参照图6，6为本发明实施例提供的多小区数据传输的装置的模块示意图一，上述多小区数据传输的装置60包括：
获取模块601，用于获取传输配置信息，所述传输配置信息包括至少两个备选小区对应的小区信息，所述备选小区用于UE在非连接态下进行数据传输，所述非连接态包括空闲态或非激活态。
选择模块602，用于当所述UE有数据要发送时，根据所述传输配置信息，从所述备选小区中选择至少两个目标小区。
传输模块603，用于在所述至少两个目标小区的上行资源上分别发送数据。
在一种可行的实施例中，获取模块601用于：
从UE预先配置的信息中获取所述传输配置信息，或者从数据传输协议中获取所述传输配置信息。
在一种可行的实施例中，获取模块601用于：
从网络设备获取所述传输配置信息。
在一种可行的实施例中，所述从网络设备获取所述传输配置信息，包括：
从所述网络设备接收RRC释放消息，所述RRC释放消息中包括所述传输配置信息。
在一种可行的实施例中，所述从网络设备获取所述传输配置信息，包括：
从网络设备接收SIB，该SIB中包括上述传输配置信息。
在一种可行的实施例中，上述传输配置信息中包括多小区数据传输条件，该多小区数据传输条件包括以下信息中的至少一项：数据量门限、数据业务类型信息、允许多小区数据传输的指示和数据可靠性门限；
上述多小区数据传输的装置60还包括：
确定模块，用于确定UE要发送的数据是否满足所述多小区数据传输条件；若UE要发送的数据满足所述多小区数据传输条件，则继续执行选择模块602。
在一种可行的实施例中，所述传输配置信息中包括选择所述目标小区的信号质量门限，和/或多小区传输最大小区个数；
选择模块602用于：
根据测得的各个备选小区的小区信号质量，选择至少两个备选小区作为所述目标小区，或者，选择UE当前驻留的小区和至少一个备选小区作为所述目标小区；其中，所述目标小区的小区信号质量满足所述信号质量门限，和/或所述目标小区的个数小于或等于所述多小区传输最大小区个数。
在一种可行的实施例中，所述传输配置信息中包括至少两个RLC关联组，或目标小区指示信息，所述RLC关联组中至少包括一个备选小区。
选择模块602用于：
分别从各个RLC关联组中选择一个备选小区作为所述目标小区。
或者，将所述目标小区指示信息中指示的备选小区作为所述目标小区。
在一种可行的实施例中，所述传输配置信息中还包括各个备选小区的上行资源，传输模块603用于：
在各个目标小区的上行资源上均发送前导序列与数据；
或者，当所述UE的TA有效，或者所述UE不需要TA时，在各个目标小区的上行资源上分别发送数据；
或者，当所有目标小区均属于同一个TA组时，在各个目标小区的上行资源上分别发送数据，且在所述至少两个目标小区中的第一目标小区的上行资源上发送前导序列，所述第一目标小区为以下小区中的任意一个：所述UE当前驻留的目标小区、所述至少两个目标小区中信号最强的目标小区、原主小区、网络设备指定的小区、所述至少两个目标小区中任意一个目标小区。
在一种可行的实施例中，所述装置还包括：
读取模块，用于读取目标小区的***消息，获取目标小区的上行资源。
在一种可行的实施例中，传输模块603用于：
在所述至少两个目标小区的上行资源上分别发送相同的数据，或者在 所述至少两个目标小区的上行资源上分别发送不同的数据。
本发明实施例所提供的多小区数据传输的装置60，应用于UE，当UE处于非连接态时，获取传输配置信息，该传输配置信息包括至少两个备选小区对应的小区信息，在UE有数据要发送时，根据上述传输配置信息，从上述备选小区中选择至少两个目标小区，并在已选择的至少两个目标小区的上行资源上分别发送数据。即在本发明实施例中，当UE处于非连接态且有数据要发送时，会根据获取的传输配置信息，选择至少两个小区来分别进行发送，从而提升网络设备接收到该数据的可能性，进而保障UE传输的数据的可靠性。
进一步的，基于上述实施例描述的内容，本发明实施例还提供一种多小区数据传输的装置，该装置应用于图1所示的网络设备，参照图7，7为本发明实施例提供的多小区数据传输的装置的模块示意图二，上述多小区数据传输的装置70包括：
发送模块701，用于向UE发送传输配置信息，该传输配置信息包括至少两个备选小区对应的小区信息，所述备选小区用于UE在非连接态下进行数据传输，所述非连接态包括空闲态或非激活态。
接收模块702，用于接收UE在非连接态下通过至少两个目标小区的上行资源上发送的数据，所述至少两个目标小区是UE根据所述传输配置信息从所述至少两个备选小区中确定的。
在一种可行的实施例中，发送模块701用于：
向UE发送RRC释放消息，该RRC释放消息中包括所述传输配置信息。
在一种可行的实施例中，发送模块701用于：
向UE发送SIB，该SIB中包括所述传输配置信息。
在一种可行的实施例中，所述传输配置信息中包括：
多小区数据传输条件，上述多小区数据传输条件包括以下信息中的至少一项：数据发送量门限、数据业务类型信息、允许多小区数据传输的指示和数据可靠性门限。
在一种可行的实施例中，上述传输配置信息中包括：
选择所述目标小区的信号质量门限，和/或多小区传输最大小区个数。
在一种可行的实施例中，上述传输配置信息中包括：
至少两个RLC关联组，或目标小区指示信息，RLC关联组中至少包括一个备选小区，上述目标小区指示信息用于指示所述目标小区。
在一种可行的实施例中，所述传输配置信息中还包括所述各个备选小区对应的上行资源；
接收模块702用于：
接收所述UE在非连接态下通过各个目标小区的上行资源上发送的前导序列与数据；
或者，接收所述UE在非连接态下通过各个目标小区的上行资源上发送的数据，其中，所述UE的TA有效，或者所述UE不需要TA；
或者，接收所述UE在非连接态下通过各个目标小区的上行资源上发送的数据，以及接收所述UE在非连接态下通过所述至少两个目标小区中的第一目标小区的上行资源上发送的前导序列，其中，所述至少两个目标小区均属于同一个TA组，所述第一目标小区为以下小区中的任意一个：所述UE当前驻留的目标小区、所述至少两个目标小区中信号最强的目标小区、原主小区、网络设备指定的小区、所述至少两个目标小区中任意一个目标小区。
本发明实施例所提供的多小区数据传输的装置70，应用于网络设备，网络设备可以预先配置传输配置信息，该传输配置信息包括至少两个备选小区对应的小区信息，该备选小区用于UE在非连接态下进行数据传输，然后向UE发送传输配置信息，并接收UE在非连接态下通过至少两个目标小区的上行资源上发送的数据，上述至少两个目标小区是UE根据上述传输配置信息从上述至少两个备选小区中确定的。即在本发明实施例中，当UE处于非连接态且有数据要发送时，会根据从网络设备获取的传输配置信息，选择至少两个小区来分别进行发送，从而提升网络设备接收到该数据的可能性，进而保障UE传输的数据的可靠性。
进一步的，本发明实施例中还提供一种用户设备，包括：至少一个处理器和存储器；存储器存储计算机执行指令；至少一个处理器执行存储器存储的计算机执行指令，使得至少一个处理器执行如图4所描述的多小区数据传输的方法。
进一步的，本发明实施例中还提供一种网络设备，包括：至少一个处理器和存储器；存储器存储计算机执行指令；至少一个处理器执行存储器存储的计算机执行指令，使得至少一个处理器执行如图5所描述的多小区数据传输的方法。
上述实施例提供的用户设备与网络设备，分别可用于执行上述方法实施例的技术方案，其实现原理和技术效果类似，本实施例此处不再赘述。
为了更好的理解本发明实施例，参照图8，图8为本发明实施例提供的一种设备的硬件结构示意图。如图8所示，在设备80为图1所示UE时，设备80包括：处理器801以及存储器802；其中：
存储器802，用于存储计算机执行指令。
处理器801，用于执行存储器存储的计算机执行指令，以实现上述实施例中UE所执行的各个步骤。具体可以参见前述方法实施例中的相关描述。
或者，在设备80为图1所示的网络设备时，设备80包括：处理器801以及存储器802；其中：
存储器802，用于存储计算机执行指令。
处理器801，用于执行存储器存储的计算机执行指令，以实现上述实施例中网络设备所执行的各个步骤。具体可以参见前述方法实施例中的相关描述。
可选地，存储器802既可以是独立的，也可以跟处理器801集成在一起。
当存储器802独立设置时，该设备80还包括总线803，用于连接所述存储器802和处理器801。
本发明实施例还提供一种计算机可读存储介质，该计算机可读存储介质中存储有计算机执行指令，当处理器执行所述计算机执行指令时，实现如上应用于UE的多小区数据传输的方法。
本发明实施例还提供一种计算机可读存储介质，该计算机可读存储介质中存储有计算机执行指令，当处理器执行所述计算机执行指令时，实现如上应用于网络设备的多小区数据传输的方法。
在本发明所提供的几个实施例中，应该理解到，所揭露的设备和方法， 可以通过其它的方式实现。例如，以上所描述的设备实施例仅仅是示意性的，例如，所述模块的划分，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，例如多个模块可以结合或者可以集成到另一个***，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，装置或模块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模块可以是或者也可以不是物理上分开的，作为模块显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。
另外，在本发明各个实施例中的各功能模块可以集成在一个处理单元中，也可以是各个模块单独物理存在，也可以两个或两个以上模块集成在一个单元中。上述模块成的单元既可以采用硬件的形式实现，也可以采用硬件加软件功能单元的形式实现。
上述以软件功能模块的形式实现的集成的模块，可以存储在一个计算机可读取存储介质中。上述软件功能模块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)或处理器(英文：processor)执行本申请各个实施例所述方法的部分步骤。
应理解，上述处理器可以是中央处理单元(英文：Central Processing Unit，简称：CPU)，还可以是其他通用处理器、数字信号处理器(英文：Digital Signal Processor，简称：DSP)、专用集成电路(英文：Application Specific Integrated Circuit，简称：ASIC)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。结合发明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。
存储器可能包含高速RAM存储器，也可能还包括非易失性存储NVM，例如至少一个磁盘存储器，还可以为U盘、移动硬盘、只读存储器、磁盘或光盘等。
总线可以是工业标准体系结构(Industry Standard Architecture，ISA) 总线、外部设备互连(Peripheral Component，PCI)总线或扩展工业标准体系结构(Extended Industry Standard Architecture，EISA)总线等。总线可以分为地址总线、数据总线、控制总线等。为便于表示，本申请附图中的总线并不限定仅有一根总线或一种类型的总线。
上述存储介质可以是由任何类型的易失性或非易失性存储设备或者它们的组合实现，如静态随机存取存储器(SRAM)，电可擦除可编程只读存储器(EEPROM)，可擦除可编程只读存储器(EPROM)，可编程只读存储器(PROM)，只读存储器(ROM)，磁存储器，快闪存储器，磁盘或光盘。存储介质可以是通用或专用计算机能够存取的任何可用介质。
一种示例性的存储介质耦合至处理器，从而使处理器能够从该存储介质读取信息，且可向该存储介质写入信息。当然，存储介质也可以是处理器的组成部分。处理器和存储介质可以位于专用集成电路(Application Specific Integrated Circuits，简称：ASIC)中。当然，处理器和存储介质也可以作为分立组件存在于电子设备或主控设备中。
本领域普通技术人员可以理解：实现上述各方法实施例的全部或部分步骤可以通过程序指令相关的硬件来完成。前述的程序可以存储于一计算机可读取存储介质中。该程序在执行时，执行包括上述各方法实施例的步骤；而前述的存储介质包括：ROM、RAM、磁碟或者光盘等各种可以存储程序代码的介质。
最后应说明的是：以上各实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述各实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims (25)

  1. 一种多小区数据传输的方法，其特征在于，应用于用户设备UE，所述UE处于非连接态，所述方法包括：
    获取传输配置信息，所述传输配置信息包括至少两个备选小区对应的小区信息，所述备选小区用于UE在非连接态下进行数据传输，所述非连接态包括空闲态或非激活态；
    当所述UE有数据要发送时，根据所述传输配置信息，从所述备选小区中选择至少两个目标小区；
    在所述至少两个目标小区的上行资源上分别发送数据。
  2. 根据权利要求1所述的方法，其特征在于，所述获取传输配置信息，包括：
    从UE预先配置的信息中获取所述传输配置信息，或者从数据传输协议中获取所述传输配置信息。
  3. 根据权利要求1所述的方法，其特征在于，所述获取传输配置信息，包括：
    从网络设备获取所述传输配置信息。
  4. 根据权利要求3所述的方法，其特征在于，所述从网络设备获取所述传输配置信息，包括：
    从所述网络设备接收无线资源控制RRC释放消息，所述RRC释放消息中包括所述传输配置信息。
  5. 根据权利要求3所述的方法，其特征在于，所述从网络设备获取传输配置信息，包括：
    从所述网络设备接收***信息块SIB，所述SIB中包括所述传输配置信息。
  6. 根据权利要求1至5任意一项所述的方法，其特征在于，所述传输配置信息中包括多小区数据传输条件，所述多小区数据传输条件包括以下信息中的至少一项：数据量门限、数据业务类型信息、允许多小区数据传输的指示和数据可靠性门限；
    所述根据所述传输配置信息，从所述备选小区中选择至少两个目标小区之前，还包括：
    确定所述UE要发送的数据是否满足所述多小区数据传输条件；
    若所述UE要发送的数据满足所述多小区数据传输条件，则继续执行所述根据所述传输配置信息，从所述备选小区中选择至少两个目标小区的步骤。
  7. 根据权利要求1至5任意一项所述的方法，其特征在于，所述传输配置信息中包括选择所述目标小区的信号质量门限，和/或多小区传输最大小区个数；
    所述根据所述传输配置信息，从所述备选小区中选择至少两个目标小区，包括：
    根据测得的各个备选小区的小区信号质量，选择至少两个备选小区作为所述目标小区，或者，选择UE当前驻留的小区和至少一个备选小区作为所述目标小区；其中，所述目标小区的小区信号质量满足所述信号质量门限，和/或所述目标小区的个数小于或等于所述多小区传输最大小区个数。
  8. 根据权利要求1至5任意一项所述的方法，其特征在于，所述传输配置信息中包括至少两个无线链路控制层RLC关联组，或目标小区指示信息，每个所述RLC关联组中至少包括一个备选小区；
    所述根据所述传输配置信息，选择至少两个目标小区，包括：
    分别从各个RLC关联组中选择一个备选小区作为所述目标小区；
    或者，将所述目标小区指示信息中指示的备选小区作为所述目标小区。
  9. 根据权利要求1至5任意一项所述的方法，其特征在于，所述传输配置信息中还包括各个备选小区的上行资源，所述在所述至少两个目标小区的上行资源上分别发送数据，包括：
    在各个目标小区的上行资源上均发送前导序列与数据；
    或者，当所述UE的定时提前TA有效，或者所述UE不需要TA时，在各个目标小区的上行资源上分别发送数据；
    或者，当所有目标小区均属于同一个TA组时，在各个目标小区的上行资源上分别发送数据，且在所述至少两个目标小区中的第一目标小区的上行资源上发送前导序列，所述第一目标小区为以下小区中的任意一个：所述UE当前驻留的目标小区、所述至少两个目标小区中信号最强的目标小区、原主小区、网络设备指定的小区、所述至少两个目标小区中任意一 个目标小区。
  10. 根据权利要求1至5任意一项所述的方法，其特征在于，所述在所述至少两个目标小区的上行资源上分别发送数据之前，包括：
    读取目标小区的***消息，获取所述目标小区的上行资源。
  11. 根据权利要求1至5任意一项所述的方法，其特征在于，所述在所述至少两个目标小区的上行资源上分别发送数据，包括：
    在所述至少两个目标小区的上行资源上分别发送相同的数据，或者在所述至少两个目标小区的上行资源上分别发送不同的数据。
  12. 一种多小区数据传输的方法，其特征在于，应用于网络设备，所述方法包括：
    向UE发送传输配置信息，所述传输配置信息包括至少两个备选小区对应的小区信息，所述备选小区用于UE在非连接态下进行数据传输，所述非连接态包括空闲态或非激活态；
    接收所述UE在非连接态下通过至少两个目标小区的上行资源上发送的数据，所述至少两个目标小区是所述UE根据所述传输配置信息从所述至少两个备选小区中确定的。
  13. 根据权利要求12所述的方法，其特征在于，所述向UE发送传输配置信息，包括：
    向UE发送RRC释放消息，所述RRC释放消息中包括所述传输配置信息。
  14. 根据权利要求12所述的方法，其特征在于，所述向UE发送传输配置信息，包括：
    向UE发送SIB，所述SIB中包括所述传输配置信息。
  15. 根据权利要求12至14任意一项所述的方法，其特征在于，所述传输配置信息中包括：
    多小区数据传输条件，所述多小区数据传输条件包括以下信息中的至少一项：数据发送量门限、数据业务类型信息、允许多小区数据传输的指示和数据可靠性门限。
  16. 根据权利要求12至14任意一项所述的方法，其特征在于，所述传输配置信息中包括：
    选择所述目标小区的信号质量门限，和/或多小区传输最大小区个数。
  17. 根据权利要求12至14任意一项所述的方法，其特征在于，所述传输配置信息中包括：
    至少两个RLC关联组，或目标小区指示信息，各个所述RLC关联组中至少包括一个备选小区，所述目标小区指示信息用于指示所述目标小区。
  18. 根据权利要求12至14任意一项所述的方法，其特征在于，所述传输配置信息中还包括所述各个备选小区对应的上行资源；
    所述接收所述UE在非连接态下通过至少两个目标小区的上行资源上发送的数据，包括：
    接收所述UE在非连接态下通过各个目标小区的上行资源上发送的前导序列与数据；
    或者，接收所述UE在非连接态下通过各个目标小区的上行资源上发送的数据，其中，所述UE的TA有效，或者所述UE不需要TA；
    或者，接收所述UE在非连接态下通过各个目标小区的上行资源上发送的数据，以及接收所述UE在非连接态下通过所述至少两个目标小区中的第一目标小区的上行资源上发送的前导序列，其中，所述至少两个目标小区均属于同一个TA组，所述第一目标小区为以下小区中的任意一个：所述UE当前驻留的目标小区、所述至少两个目标小区中信号最强的目标小区、原主小区、网络设备指定的小区、所述至少两个目标小区中任意一个目标小区。
  19. 根据权利要求12至14任意一项所述的方法，其特征在于，所述接收所述UE在非连接态下通过至少两个目标小区的上行资源上发送的数据，包括：
    接收所述UE在非连接态下通过各个目标小区的上行资源上发送的相同的数据；或者接收所述UE在非连接态下通过各个目标小区的上行资源上发送的不同的数据。
  20. 一种多小区数据传输的装置，其特征在于，应用于UE，所述UE处于非连接态，所述装置包括：
    获取模块，用于获取传输配置信息，所述传输配置信息包括至少两个备选小区对应的小区信息，所述备选小区用于UE在非连接态下进行数据 传输，所述非连接态包括空闲态或非激活态；
    选择模块，用于当所述UE有数据要发送时，根据所述传输配置信息，从所述备选小区中选择至少两个目标小区；
    传输模块，用于在所述至少两个目标小区的上行资源上分别发送数据。
  21. 一种多小区数据传输的装置，其特征在于，应用于网络设备，所述装置包括：
    发送模块，用于向UE发送传输配置信息，所述传输配置信息包括至少两个备选小区对应的小区信息，所述备选小区用于UE在非连接态下进行数据传输，所述非连接态包括空闲态或非激活态；
    接收模块，用于接收所述UE在非连接态下通过至少两个目标小区的上行资源上发送的数据，所述至少两个目标小区是所述UE根据所述传输配置信息从所述至少两个备选小区中确定的。
  22. 一种用户设备，其特征在于，包括：至少一个处理器和存储器；
    所述存储器存储计算机执行指令；
    所述至少一个处理器执行所述存储器存储的计算机执行指令，使得所述至少一个处理器执行如权利要求1至11任一项所述的多小区数据传输的方法。
  23. 一种网络设备，其特征在于，包括：至少一个处理器和存储器；
    所述存储器存储计算机执行指令；
    所述至少一个处理器执行所述存储器存储的计算机执行指令，使得所述至少一个处理器执行如权利要求12至19任一项所述的多小区数据传输的方法。
  24. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质中存储有计算机执行指令，当处理器执行所述计算机执行指令时，实现如权利要求1至11任一项所述的多小区数据传输的方法。
  25. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质中存储有计算机执行指令，当处理器执行所述计算机执行指令时，实现如权利要求12至19任一项所述的多小区数据传输的方法。
PCT/CN2020/110380 2019-09-20 2020-08-21 多小区数据传输的方法与设备 WO2021052101A1 (zh)

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