CN109246793A - The data transmission method and device of multi-link - Google Patents

The data transmission method and device of multi-link Download PDF

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Publication number
CN109246793A
CN109246793A CN201710347558.0A CN201710347558A CN109246793A CN 109246793 A CN109246793 A CN 109246793A CN 201710347558 A CN201710347558 A CN 201710347558A CN 109246793 A CN109246793 A CN 109246793A
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China
Prior art keywords
relaying
base station
long
range
link
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CN201710347558.0A
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CN109246793B (en
Inventor
石小丽
朱元萍
刘菁
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery

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

Abstract

The embodiment of the present application discloses the data transmission method and device of a kind of multi-link, the described method includes: base station determines that increasing trunk subscriber equipment UE and long-range UE carries out data transmission, presently described long-range UE carries out data transmission via the first relaying UE with the base station；The base station sends the instruction message for increasing relaying UE to the long-range UE, and the instruction message for increasing relaying UE is used to indicate long-range the second relaying of UE discovery UE；The base station receives the increase relaying UE success message of the long-range UE feedback, and the data transmission procedure of multi-link is established with the second relaying UE according to the increase relaying UE success message triggering, it is transmitted with the data for realizing that the long-range UE relays UE and the base station via described second.Using the embodiment of the present application, there is the multi-link data transmission that can be achieved between terminal device, promote the handling capacity of communication system, the advantages of the user experience of improve data transfer.

Description

The data transmission method and device of multi-link
Technical field
The present application is related to the data transmission method and device of field of communication technology more particularly to a kind of multi-link.
Background technique
Device-to-device (device-to-device, D2D) based on cellular network communicates or is adjacent service (proximity service, ProSe) refers to that user data can be without in network then directly in user equipment (user Equipment, UE) between the communication technology transmitted.D2D communication is to realize the communication technology of direct communication between the UE of short distance One of.As towards the 5th generation (5thGeneration, 5G) network crucial candidate technologies, D2D communication has potential improve System performance, the prospect for promoting user experience, extending cellular communications applications.The following 5G network will be related to D2D there are many technology Communication, such as car networking, multi-hop communication (multi hop communication, also referred to as frequency hopping communications) and super-intensive network Technologies such as (ultra dense network, UDN) are involved in D2D communication.Different business, different service or difference Network structure involved in the various communication technology will also have different demands to D2D technology, therefore sought under cellular architecture It is one of the technical essential being currently concerned that the supplement of D2D technology, which is sought, to meet the needs of different.
However, the prior art provides long term evolution (long term evolution, LTE) double-strand and connects for 5G network Terminal data transmission mode under (dual connectivity, DC) application scenarios.The data transfer mode that the prior art provides The One-to-one communication being only limitted between two UE, the prior art are not directed to the D2D under the multi-link application scenarios of terminal device Data transfer mode.The prior art does not provide new wireless access technology (new radio access technology, NR) yet D2D data transfer mode under the multi-link application scenarios of terminal device in network, the multi-link data between terminal device Transmission is one of the technical problems that are urgent to solve in 5G communication network.
Summary of the invention
The data transmission method and device that the embodiment of the present application provides a kind of multi-link are, it can be achieved that more between terminal device Data transmission is linked, the handling capacity of communication system, the user experience of improve data transfer are promoted.
In a first aspect, a kind of data transmission method of multi-link is provided, can include:
Base station determines that increasing trunk subscriber equipment UE and long-range UE carries out data transmission, and presently described long-range UE is via first Relaying UE carries out data transmission with the base station；
The base station sends the instruction message for increasing relaying UE, the instruction message for increasing relaying UE to the long-range UE It is used to indicate long-range the second relaying of UE discovery UE；
The base station receives the increase relaying UE success message of the long-range UE feedback, and according to increases relaying UE at Function message trigger and the second relaying UE establish the data transmission procedure of multi-link, to realize the long-range UE via described the The data of two relaying UE and the base station are transmitted.
It can realize that long-range UE is asked by the technology that multiple relaying UE carry out data transmission with base station by the embodiment of the present application Topic promotes the handling capacity of cell, the user experience of improve data transfer by the data transmission of multi-link.
In some possible implementations, the base station sends the instruction message packet for increasing relaying UE to the long-range UE It includes:
The base station sends the instruction message for increasing relaying UE by the first relaying UE to the long-range UE；
Wherein, the instruction message for increasing relaying UE is by one-to-one between the long-range UE and the first relaying UE Communication request message or predefined message carry.
In some possible implementations, the base station sends the instruction message packet for increasing relaying UE to the long-range UE It includes:
The base station is disappeared by the instruction that the link of eating dishes without rice or wine between the long-range UE and the base station issues increase relaying UE Breath；
Wherein, the instruction message for increasing relaying UE is by the wireless heterogeneous networks between the base station and the long-range UE RRC information or predefined message carry.
It include the second mark for relaying UE in the instruction message for increasing relaying UE in some possible implementations Information.
It include the transmission of multi-link data in the instruction message for increasing relaying UE in some possible implementations Demand, the demand of the multi-link data transmission are used to indicate the long-range UE and multi-link data transfer request are sent to second Relay UE.
It include the transmission of multi-link data in the instruction message for increasing relaying UE in some possible implementations The identification information of demand and the base station；
Wherein, the demand of the multi-link data transmission is used to indicate the long-range UE and sends out multi-link data transfer request It send to relaying UE to be increased, to trigger the base station hair that the relaying UE to be increased is identified to the identification information of the base station It plays multi-link and establishes request.
In some possible implementations, the base station receives the increase relaying UE success message of the long-range UE feedback Include:
The base station receives the long-range UE and relays UE success message by the increase of the first relaying UE feedback.
In some possible implementations, described increase includes the second mark letter for relaying UE in relaying UE success message Breath；
The data biography for establishing multi-link with the second relaying UE according to the increase relaying UE success message triggering Defeated process includes:
The base station sends multi-link data to the second relaying UE according to the identification information of the second relaying UE and passes Defeated request, and the data with the second relaying UE are established according to the multi-link data transmission response of the second relaying UE feedback Transmission connection.
In some possible implementations, the method also includes:
The base station sends configuration information to the long-range UE by the first relaying UE or the second relaying UE.
In some possible implementations, the configuration information includes between the long-range UE and the second relaying UE Carrying configuration information and it is described carrying configuration information using interface indicate information；
Wherein, the use interface instruction information of the carrying configuration information is used to indicate the carrying configuration information for institute State the interface of the second relaying UE, or the interface for the long-range UE.
Second aspect provides a kind of data transmission method of multi-link, can include:
Remote user equipment UE receives the instruction message for the increase relaying UE that base station is sent, and presently described long-range UE is via the One relaying UE carries out data transmission with the base station；
The long-range UE is sent according to instruction message discovery the second relaying UE for increasing relaying UE to the base station Increase relaying UE success message, the increase relaying UE success message is established for triggering the base station and the second relaying UE The data transmission procedure of multi-link；
The long-range UE receives the configuration information that the base station is sent to realize via the second relaying UE and the base Station carries out data transmission.
In some possible implementations, the long-range UE receives the instruction message for the increase relaying UE that base station is sent, Include:
The long-range UE receives the base station and passes through the instruction message of the first relaying UE increase relaying UE sent；Or Person
The long-range UE receives the increasing that the base station is issued by the link of eating dishes without rice or wine between the long-range UE and the base station Add the instruction message of relaying UE.
It include the second mark for relaying UE in the instruction message for increasing relaying UE in some possible implementations Information.
It is described to include: to base station transmission increase relaying UE success message in some possible implementations
The long-range UE, which is sent by the first relaying UE to the base station, increases relaying UE success message；
Wherein, described increase includes the second identification information for relaying UE in relaying UE success message.
The third aspect provides a kind of data transmission method of multi-link, can include:
Remote user equipment UE receives the instruction message for the increase relaying UE that base station is sent, and presently described long-range UE is via the One relaying UE carries out data transmission with the base station；
The long-range UE is relayed according to instruction message discovery the second relaying UE for increasing relaying UE to described second UE, which is sent, increases relaying UE success message, and the increase relaying UE success message is for triggering the second relaying UE and the base The data transmission procedure of multi-link is established at station；
The long-range UE receives the configuration information that the base station is sent to realize via the second relaying UE and the base Station carries out data transmission.
It include the second mark for relaying UE in the instruction message for increasing relaying UE in some possible implementations Information.
It is described to increase the need including the transmission of multi-link data in relaying UE success message in some possible implementations It sums the identification information of the base station；
Wherein, the demand of the multi-link data transmission is used to indicate the second relaying UE and believes to the mark of the base station It ceases identified base station and initiates multi-link foundation request.
Fourth aspect provides a kind of data transmission method of multi-link, can include:
Base station determine increase the second trunk subscriber equipment UE and long-range UE carry out data transmission, presently described long-range UE via First relaying UE carries out data transmission with the base station；
The base station and the second relaying UE establish connection, and send the transmission of multi-link data to the second relaying UE Request；
The base station receives the multi-link data transmission response of the second relaying UE feedback, and sends to the long-range UE Configuration information, to realize that the long-range UE is transmitted via the data of the second relaying UE and the base station.
In some possible implementations, the base station receives the multi-link data transmission of the second relaying UE feedback Response, and send configuration information to the long-range UE and include:
The base station receives the multi-link data transmission response of the second relaying UE feedback, and according to the multi-link number According to transmission response, configuration information corresponding to the carrying information of the second relaying UE is created；
The base station sends the configuration to the long-range UE by the first relaying UE or the second relaying UE Information.
5th aspect provides a kind of data transmission method of multi-link, can include:
Second trunk subscriber equipment UE and base station are established data transmission and are connected, the base station currently via the first relaying UE with Remotely carry out data transmission；
The second relaying UE receives the multi-link data transfer request that the base station is sent, the multi-link data transmission Request is used to indicate the second relaying UE and finds the long-range UE；
The second relaying UE has found the long-range UE according to the multi-link data transfer request；
The second relaying UE and long-range UE establishes data transmission and connects, and sends multi-link data to the base station Transmission response, the multi-link data transmission response is for notifying the second relaying UE and the long-range UE communication described in the base station It is successfully established.
In some possible implementations, the method also includes:
The second relaying UE receives the configuration information that the base station is sent, and matches confidence to the long-range UE forwarding is described Breath.
6th aspect provides a kind of data transmission method of multi-link, can include:
Remote user equipment UE discovery the second relaying UE, and the determining and described second relaying UE establishes data transmission and connects, Presently described long-range UE carries out data transmission via the first relaying UE with base station；
The long-range UE sends multi-link data transfer request, the multichain to the base station by the second relaying UE Data transfer request is connect for requesting the second relaying UE and the base station to establish the data transmission link to the long-range UE；
The long-range UE receives the multi-link data transmission response that the base station is sent, the multi-link data transmission response For notifying base station described in the long-range UE to establish by the second relaying UE to the data transmission link of the long-range UE At.
It include described in the base station is sent in some possible implementations, in the multi-link data transmission response The configuration information of long-range UE, the long-range UE according to the configuration information realize via the second relaying UE and the base station into The transmission of row data.
In some possible implementations, the long-range UE sends multi-link data transfer request packet to the base station It includes:
The long-range UE sends multi-link data transfer request to the second relaying UE, to pass through the second relaying UE Multi-link data transfer request is forwarded to the base station；
It wherein, include the identification information of the base station, the mark letter of the base station in the multi-link data transfer request Breath forwards the multi-link data transfer request to the base station for triggering the second relaying UE.
In some possible implementations, the long-range UE sends multi-link data transfer request packet to the base station It includes:
The long-range UE forwards multi-link data transfer request to the base station by the first relaying UE；
Wherein, the identification information of the second relaying UE is carried in the multi-link data transfer request.
7th aspect provides a kind of data transmission method of multi-link, can include:
The instruction for the multi-link data transfer request that first base station reception trunk subscriber equipment UE is sent, presently described first Base station carries out data transmission via the relaying UE and long-range UE, and the instruction of the multi-link data transfer request is used to indicate institute It states first base station and the second base station is established through the data transmission link for relaying UE to the long-range UE；
The first base station determines the second base station of addition according to the instruction of the multi-link data transfer request, and to described Second base station send multi-link data transfer request, the multi-link data transfer request for request second base station be to The carrying distributing radio resource of shunting；
The first base station receives the multi-link data transmission response of second base station feedback, and the multi-link data pass Defeated response is for notifying the radio resource allocation of carrying to be shunted described in the first base station to complete；
The first base station sends the instruction that multi-link data are transmitted to the relaying UE, and the multi-link data pass The instruction being finished is completed for notifying the data transmission link of the relaying UE multi-link to establish, to realize second base station Carry out data transmission via the relaying UE and the long-range UE.
In some possible implementations, the time of the second base station is carried in the instruction of the multi-link data transfer request The instruction information of base station is selected, the first base station determines the second base station according to the instruction information of the candidate base station.
Eighth aspect provides a kind of data transmission method of multi-link, can include:
Trunk subscriber equipment UE sends the instruction of multi-link data transfer request to the first base station currently connected, described more The instruction information that candidate base station is carried in the instruction of data transfer request is linked, the first base station is via the relaying UE and far Journey UE carries out data transmission；
The relaying UE receives the instruction that the multi-link data that the first base station is sent are transmitted, and according to described more The instruction that link data are transmitted is established to be transmitted with the data of the second base station of first base station selection.
In some possible implementations, including at least one candidate base station in the instruction information of the candidate base station Identification information；
The method also includes:
The relaying UE obtains the identification information of at least one candidate base station by measurement, and according at least one described time The identification information of base station is selected to determine the instruction information of candidate base station；
Wherein, the identification information includes the identification information of cell locating for the identification information and candidate base station of candidate base station.
Implementation provided by the embodiments of the present application solves long-range UE and carries out data biography by relaying UE and multiple base stations Defeated technical problem improves the handling capacity of cell, the user experience of improve data transfer by the data transmission of multi-link.
9th aspect provides a kind of base station, can include:
Processor, for determining that increasing trunk subscriber equipment UE and long-range UE carries out data transmission, presently described long-range UE Carry out data transmission via the first relaying UE with base station；
Transceiver, for sending the instruction message for increasing relaying UE, the instruction for increasing relaying UE to the long-range UE Message is used to indicate long-range the second relaying of UE discovery UE；
The transceiver is also used to receive the increase relaying UE success message of the long-range UE feedback；
The processor, be also used to according to the received increase relaying UE success message triggering of the transceiver with it is described Second relaying UE establishes the data transmission procedure of multi-link, to realize the long-range UE via the second relaying UE and the base The data transmission stood.
In some possible implementations, the transceiver is used for:
The instruction message for increasing relaying UE is sent to the long-range UE by the first relaying UE；
Wherein, the instruction message for increasing relaying UE is by one-to-one between the long-range UE and the first relaying UE Communication request message or predefined message carry.
In some possible implementations, the transceiver is used for:
The instruction message for increasing relaying UE is issued by the link of eating dishes without rice or wine between the long-range UE and the base station；
Wherein, the instruction message for increasing relaying UE is by the wireless heterogeneous networks between the base station and the long-range UE RRC information or predefined message carry.
It include the second mark for relaying UE in the instruction message for increasing relaying UE in some possible implementations Information.
It include the transmission of multi-link data in the instruction message for increasing relaying UE in some possible implementations Demand, the demand of the multi-link data transmission are used to indicate the long-range UE and multi-link data transfer request are sent to second Relay UE.
It include the transmission of multi-link data in the instruction message for increasing relaying UE in some possible implementations The identification information of demand and the base station；
Wherein, the demand of the multi-link data transmission is used to indicate the long-range UE and sends out multi-link data transfer request It send to relaying UE to be increased, to trigger the base station hair that the relaying UE to be increased is identified to the identification information of the base station It plays multi-link and establishes request.
In some possible implementations, the transceiver is used for:
It receives the long-range UE and UE success message is relayed by the increase of the first relaying UE feedback.
In some possible implementations, described increase includes the second mark letter for relaying UE in relaying UE success message Breath；
The transceiver, for sending multi-link to the second relaying UE according to the identification information of the second relaying UE Data transfer request；
The processor, for being established and described the according to the multi-link data transmission response of the second relaying UE feedback The data of two relaying UE transmit connection.
In some possible implementations, the transceiver is also used to:
Configuration information is sent to the long-range UE by the first relaying UE or the second relaying UE.
In some possible implementations, the configuration information includes between the long-range UE and the second relaying UE Carrying configuration information and it is described carrying configuration information using interface indicate information；
Wherein, the use interface instruction information of the carrying configuration information is used to indicate the carrying configuration information for institute State the interface of the second relaying UE, or the interface for the long-range UE.
Tenth aspect provides a kind of terminal device, and the terminal device is remote user equipment UE, can include:
Transceiver, the instruction message of the increase relaying UE for receiving base station transmission, presently described long-range UE is via first Relaying UE carries out data transmission with the base station；
Processor, for according to received second relaying of instruction message discovery for increasing relaying UE of the transceiver UE；
The transceiver is also used to after the processor finds the second relaying UE, sends and increase to the base station Add and relay UE success message, the increase relaying UE success message is more for triggering the base station and the second relaying UE foundation The data transmission procedure of link；
The transceiver, be also used to receive the configuration information that the base station is sent with realize via the second relaying UE with The base station carries out data transmission.
In some possible implementations, the transceiver is used for
It receives the base station and passes through the instruction message of the first relaying UE increase relaying UE sent；Or
It receives the base station and relays UE's by the increase that the link of eating dishes without rice or wine between the long-range UE and the base station issues Instruction message.
It include the second mark for relaying UE in the instruction message for increasing relaying UE in some possible implementations Information.
In some possible implementations, the transceiver is used for:
It is sent by the first relaying UE to the base station and increases relaying UE success message；
Wherein, described increase includes the second identification information for relaying UE in relaying UE success message.
Tenth one side provides a kind of terminal device, and the terminal device is remote user equipment UE, can include:
Transceiver, the instruction message of the increase relaying UE for receiving base station transmission, presently described long-range UE is via first Relaying UE carries out data transmission with the base station；
Processor, for according to received second relaying of instruction message discovery for increasing relaying UE of the transceiver UE；
The transceiver is also used to after the processor finds the second relaying UE, to the second relaying UE It sends and increases relaying UE success message, the increase relaying UE success message is for triggering the second relaying UE and the base station Establish the data transmission procedure of multi-link；
The transceiver, be also used to receive the configuration information that the base station is sent with realize via the second relaying UE with The base station carries out data transmission.
It include the second mark for relaying UE in the instruction message for increasing relaying UE in some possible implementations Information.
It is described to increase the need including the transmission of multi-link data in relaying UE success message in some possible implementations It sums the identification information of the base station；
Wherein, the demand of the multi-link data transmission is used to indicate the second relaying UE and believes to the mark of the base station It ceases identified base station and initiates multi-link foundation request.
12nd aspect provides a kind of base station, can include:
Processor, it is presently described remote for determining that increasing the second trunk subscriber equipment UE and long-range UE carries out data transmission Journey UE carries out data transmission via the first relaying UE with the base station；
The processor is also used to establish connection with the second relaying UE；
Transceiver, for sending multi-link data transfer request to the second relaying UE；
The transceiver is also used to receive the multi-link data transmission response of the second relaying UE feedback, and to described Long-range UE sends configuration information, to realize that the long-range UE is transmitted via the data of the second relaying UE and the base station.
In some possible implementations, the processor is also used to:
According to the multi-link data transmission response, corresponding to the carrying information for creating the second relaying UE Configuration information；
The transceiver, for sending institute to the long-range UE by the first relaying UE or the second relaying UE State configuration information.
13rd aspect provides a kind of terminal device, and the terminal device is the second trunk subscriber equipment UE, can wrap It includes:
Processor, for base station establish data transmission connect, the base station currently via first relaying UE with remotely into The transmission of row data；
Transceiver, the multi-link data transfer request sent for receiving the base station, the multi-link data transmission are asked It asks and is used to indicate the second relaying UE discovery long-range UE；
The processor is also used to find the long-range UE according to the multi-link data transfer request；
The processor is also used to establish data transmission connection with the long-range UE；
The transceiver is also used to send multi-link data transmission response, the multi-link data transmission to the base station Response is for notifying the second relaying UE described in the base station to be successfully established with the long-range UE communication.
In some possible implementations, the transceiver is also used to:
The configuration information that the base station is sent is received, and forwards the configuration information to the long-range UE.
Fourteenth aspect provides a kind of terminal device, and the terminal device is remote user equipment UE, can include:
Processor, for finding the second relaying UE, and the determining and described second relaying UE establishes data transmission and connects, currently The long-range UE carries out data transmission via the first relaying UE with base station；
Transceiver is described more for sending multi-link data transfer request to the base station by the second relaying UE The data chain that link data transfer request is used to that the second relaying UE and the base station to be requested to establish to the long-range UE Road；
The transceiver is also used to receive the multi-link data transmission response that the base station is sent, the multi-link data Transmission response is used for the data chain for notifying base station described in the long-range UE by the second relaying UE to the long-range UE Road, which is established, completes.
It include described in the base station is sent in some possible implementations, in the multi-link data transmission response The configuration information of long-range UE, the long-range UE according to the configuration information realize via the second relaying UE and the base station into The transmission of row data.
In some possible implementations, the transceiver is used for:
Multi-link data transfer request is sent to the second relaying UE, to relay UE to the base station by described second Forward multi-link data transfer request；
It wherein, include the identification information of the base station, the mark letter of the base station in the multi-link data transfer request Breath forwards the multi-link data transfer request to the base station for triggering the second relaying UE.
In some possible implementations, the transceiver is used for:
Multi-link data transfer request is forwarded to the base station by the first relaying UE；
Wherein, the identification information of the second relaying UE is carried in the multi-link data transfer request.
15th aspect provides a kind of base station, and the base station is first base station, can include:
Transceiver, the instruction of the multi-link data transfer request for receiving trunk subscriber equipment UE transmission are presently described First base station carries out data transmission via the relaying UE and long-range UE, and the instruction of the multi-link data transfer request is for referring to Show that the first base station and the second base station establish the data transmission link by the relaying UE to the long-range UE；
Processor, for determining the second base station of addition according to the instruction of the multi-link data transfer request；
The transceiver is also used to send multi-link data transfer request, the multi-link data to second base station Transmission request is carrying distributing radio resource to be shunted for requesting second base station；
The transceiver is also used to receive the multi-link data transmission response of second base station feedback, the multi-link Data transmission response is for notifying the radio resource allocation of carrying to be shunted described in the first base station to complete；
The transceiver is also used to send the instruction that multi-link data are transmitted, the multi-link to the relaying UE The instruction that data are transmitted is completed for notifying the data transmission link of the relaying UE multi-link to establish, to realize described the Two base stations carry out data transmission via the relaying UE and the long-range UE.
In some possible implementations, the time of the second base station is carried in the instruction of the multi-link data transfer request The instruction information of base station is selected, the first base station determines the second base station according to the instruction information of the candidate base station.
16th aspect provides a kind of terminal device, and the terminal device is trunk subscriber equipment UE, can include:
Transceiver, for sending the instruction of multi-link data transfer request, the multichain to the first base station currently connected The instruction information that candidate base station is carried in the instruction of data transfer request is connect, the first base station is via the relaying UE and remotely UE carries out data transmission；
The transceiver is also used to receive the instruction that the multi-link data that the first base station is sent are transmitted；
Processor, instruction for being transmitted according to the received multi-link data of the transceiver establish with it is described The data transmission of second base station of first base station selection.
In some possible implementations, including at least one candidate base station in the instruction information of the candidate base station Identification information；
The processor is also used to:
The identification information of at least one candidate base station is obtained by measurement, and according to the mark of at least one candidate base station Know the instruction information that information determines candidate base station；
Wherein, the identification information includes the identification information of cell locating for the identification information and candidate base station of candidate base station.
In some possible implementations, carrying configuration information provided by the embodiments of the present application includes PC5bearer, is made With the instruction information and PC5bearer of reflective and at least one of the mapping relations of flow Id.
17th aspect, provides a kind of base station, can include: processor, memory, transceiver and bus system；
The memory, the processor and the transceiver are connected by the bus system；
The memory is used to store a set of program code；
The processor and the transceiver are for calling the program code stored in the memory to execute above-mentioned first The method that aspect, fourth aspect or the 7th aspect provide.
18th aspect, provides a kind of terminal device, can include: processor, memory, transceiver and total linear system System；
The memory, the processor and the transceiver are connected by the bus system；
The memory is used to store a set of program code；
The processor and the transceiver are for calling the program code stored in the memory to execute above-mentioned second The method that aspect, the third aspect, the 5th aspect, the 6th aspect or eighth aspect provide.
19th aspect, the embodiment of the present application provide a kind of communication system, which includes above-mentioned 9th aspect, the tenth The base station and above-mentioned tenth aspect, the tenth one side, the 13rd aspect, fourteenth aspect that two aspects or the 15th aspect provide Or the terminal device provided in terms of the 16th.
20th aspect, the embodiment of the present application provide a kind of computer storage medium, set for being stored as above-mentioned terminal Standby computer software instructions used, it includes for executing program designed by above-mentioned aspect.
20th on the one hand, and the embodiment of the present application provides a kind of computer storage medium, for being stored as above-mentioned base station Computer software instructions used, it includes for executing program designed by above-mentioned aspect.
22nd aspect, the embodiment of the present application also provides a kind of chip, the chip and the transceiver couples in base station, The technical solution provided for executing the embodiment of the present application first aspect, fourth aspect or the 7th aspect.It should be understood that at this " coupling " refers to that two components combine directly or indirectly to one another in application embodiment.This combination can be fixed or removable Dynamic property, this combination can permit flow fluid, electricity, electric signal or other type signals and communicate between the two parts.
23rd aspect, the transceiver the embodiment of the present application also provides a kind of chip, in the chip and terminal device Coupling, for executing the embodiment of the present application second aspect, the third aspect, the 5th aspect, the 6th aspect or the skill of eighth aspect Art scheme.Refer to that two components combine directly or indirectly to one another it should be understood that " coupling " in the embodiment of the present application.This combination It can be fixed or mobility, this combination can permit flow fluid, electricity, electric signal or other type signals at two It is communicated between component.
Terminal device involved by the embodiment of the present application can be to provide a user setting for voice and/or data connectivity Standby (device), including catv terminal and wireless terminal.Wireless terminal can be handheld device with wireless connecting function, Or other processing equipments of radio modem are connected to, it is communicated through wireless access network with one or more core nets Mobile terminal.For example, wireless terminal can be mobile phone, computer, tablet computer, personal digital assistant (personal Digital assistant, PDA), mobile internet device (mobile Internet device, MID), wearable device With E-book reader (e-book reader) etc..For another example, wireless terminal is also possible to portable, pocket, hand-held, meter Built in calculation machine or vehicle-mounted mobile device.For another example, wireless terminal can be movement station (mobile station), access point (access point).UE is one kind of terminal device, is the appellation in LTE system.For convenience of description, the application is implemented In the subsequent description of example, terminal device above-mentioned will be illustrated by taking UE as an example.
The message being related in the embodiment of the present application is sent, as the message transmission between long-range UE and relaying UE can use Existing discovery message perhaps One-to-one communication message or existing other message or newly-increased message, do not limit herein；Relay UE with Message between base station is sent can not be limited herein using RRC information or existing other message or newly-increased message.
The title of multi-link data transfer request and/or multi-link data transmission response provided by the embodiments of the present application can be with Using other titles, herein with no restrictions.
The message name that multi-link transmission link provided by the embodiments of the present application establishes the instruction completed is alternatively referred to as multichain Connect the instruction or other names for being used to that the data transmission link of relaying UE multi-link to be notified to establish completion that data are transmitted Word.
The instruction message of multi-link data transfer request in the embodiment of the present application, multi-connection transmission link, which are established, to be completed to disappear Breath can use other titles, not limit herein.
It can realize that long-range UE is asked by the technology that multiple relaying UE carry out data transmission with base station by the embodiment of the present application Topic promotes the handling capacity of cell, the user experience of improve data transfer by the data transmission of multi-link.The embodiment of the present application mentions The implementation of confession can also solve the technical issues of long-range UE is carried out data transmission by relaying UE and multiple base stations, pass through multichain The data transmission connect improves the handling capacity of cell, the user experience of improve data transfer.
Detailed description of the invention
It in order to more clearly explain the technical solutions in the embodiments of the present application, below will be to required in the embodiment of the present application The attached drawing used is illustrated.
Fig. 1 is a schematic diagram of a scenario of the D2D communication provided in LTE；
Fig. 2 is another schematic diagram of a scenario of the D2D communication provided in LTE；
Fig. 3 is another schematic diagram of a scenario for the D2D communication that LTE is provided；
Fig. 4 be LTE provide UE to network trunk network architecture schematic diagram；
Fig. 5 is a schematic diagram of a scenario of the data transmission method of multi-link provided by the embodiments of the present application；
Fig. 6 is an interaction schematic diagram of the data transmission method of multi-link provided by the embodiments of the present application；
Fig. 7 is another interactive schematic diagram of the data transmission method of multi-link provided by the embodiments of the present application；
Fig. 8 is another interactive schematic diagram of the data transmission method of multi-link provided by the embodiments of the present application；
Fig. 9 is another schematic diagram of a scenario of the data transmission method of multi-link provided by the embodiments of the present application；
Figure 10 is another interactive schematic diagram of the data transmission method of multi-link provided by the embodiments of the present application；
Figure 11 is an example structure schematic diagram of base station provided by the embodiments of the present application；
Figure 12 is a structural schematic diagram of terminal device provided by the embodiments of the present application；
Figure 13 is another structural schematic diagram of terminal device provided by the embodiments of the present application；
Figure 14 is another structural schematic diagram of base station provided by the embodiments of the present application；
Figure 15 is another structural schematic diagram of terminal device provided by the embodiments of the present application；
Figure 16 is another structural schematic diagram of terminal device provided by the embodiments of the present application；
Figure 17 is another structural schematic diagram of base station provided by the embodiments of the present application；
Figure 18 is another structural schematic diagram of terminal device provided by the embodiments of the present application；
Figure 19 is a kind of structural schematic diagram of communication equipment provided by the embodiments of the present application.
Specific embodiment
The embodiment of the present application is described below with reference to the attached drawing in the embodiment of the present application.
There are many form of expression of D2D technology, such as WiFi Direct, FlashLinQ, Bluetooth and Zigbee etc. The technology of eating dishes without rice or wine can regard D2D technology as.The potential gain and application scenarios of D2D technology need in following 5G system into One step is excavated.
The D2D scene considered in LTE network at present mainly may include two classes:
One kind is high speed D2D (high speed D2D):
It is a schematic diagram of a scenario of the D2D communication provided in LTE referring to Fig. 1.In scene shown in FIG. 1, base station passes through control Signaling processed sends data to two UE.It is carried out by way of D2D between two UE (including UE1 and UE2) end to end directly Communication.For example, two are wished that the UE of direct communication is in the area of network coverage area overseas (networkout-of-coverage) Domain can not be completed between two UE by network exchange information at this point, directly can then be reached using D2D to the two UE Data exchange.For another example, generally for hot spot or large-scale assembly scene, a large amount of UE wishes while mutual under these scenes Exchange information.However, the network in hot spot or large-scale assembly region can not carry a large amount of UE, interactive information is brought simultaneously Big quantity communication data, at this time by D2D communicate allow UE between directly exchange data, additional appearance can be obtained Amount.
It referring to fig. 2, is another schematic diagram of a scenario of the D2D communication provided in LTE.In scene shown in Fig. 2, base station is logical It crosses control signaling and sends data to UE1 and UE2.Pass through D2D technology direct communication between UE1, UE 2 and UE3.It needs to illustrate It is that in scene shown in Fig. 2, without direct communication between base station and UE3, UE3 carries out data transmission via UE2 and base station Communication.At this point, the UE3 long-range UE as base station, UE2 then can be used as relaying UE, for realizing the data biography between base station and UE3 Defeated communication.
Another kind of is the D2D (extended coverage D2D) of extended coverage range:
It is another schematic diagram of a scenario for the D2D communication that LTE is provided referring to Fig. 3.In 6 scenes shown in Fig. 3, user is stayed Ground equipment (customer premises equipment, CPE) can be the UE on ground, can also have communication for other Equipment, herein with no restrictions.The embodiment of the present application will be illustrated by taking UE as an example.
In scene shown in Fig. 3, CPE2 is communicated by CPE 1 with base station in scene (1), CPE 1 and CPE 2 it Between pass through D2D technology direct communication.Wherein CPE2 can be referred to as long-range UE (remote UE), and CPE1 can be referred to as relaying UE (relay UE)。
Scene (2) is uplink and downlink business separation scene, i.e., uplink service is that CPE2 passes through CPE1 and base station communication, lower line number It is communicated according to being directly base station with UE2.Carried out data transmission between CPE1 and CPE2 by D2D technology.
Scene (3) is multi-link scene, i.e., the communication data of CPE2 is turned by two user equipmenies (CPE 1 and CPE 3) It is dealt into base station.Carry out data transmission between CPE2 and CPE1 and by D2D technology between CPE2 and CPE3.Wherein CPE 2 can Referred to as long-range UE, CPE 1 and CPE3 can be referred to as relaying UE.
Scene (4) is multi-link scene, but unlike scene 3, and the communication data of CPE2 passes through a user equipment (i.e. CPE1) and a direct connected link are communicated with base station, are carried out data transmission between CPE1 and CPE2 by D2D technology.
Scene (5) is the data forwarding scene between multiple CPE, wherein the communication data of CPE3 is transmitted to by CPE2 CPE1, then base station is forwarded to by CPE1.It is counted between CPE3 and CPE2 and by D2D technology between CPE2 and CPE1 According to transmission.Wherein CPE 2 and CPE3 can be referred to as long-range UE, and CPE 1 can be referred to as relaying UE.
Scene (6), which is between two CPE, to be communicated by the scene of unlicensed spectrum, such as wifi, bluetooth.That is CPE1 and Carried out data transmission between CPE2 by unlicensed spectrum, the communication data of CPE2 is forwarded to base station by CPE1.Wherein CPE2 It can be referred to as long-range UE, CPE 1 can be referred to as relaying UE.
In each application scenarios shown in Fig. 3, long-range UE can be carried out data transmission by relaying UE with base station.Such as. The overseas UE for enabling adjacent service (ProSe-enabled) function in network coverage area can pass through (in- in overlay area Coverage relaying UE (UE-to-Network Relays)) keeps the connection with base station.
Referring to fig. 4, be LTE provide UE to network trunk network architecture schematic diagram.In the UE that LTE is provided to network In (UE-to-network relay) network architecture, long-range UE can be communicated by PC5 interface with relaying UE, and relaying UE can It is communicated by Uu interface with base station.Base station obtains data from LTE core network (e-utran packet core, EPC). Public safety (public safety) passes through short interval (short guard interval, SGI) the interface access of wireless data block EPC.It should be noted that the specific name of base station may not in the system using different wireless access technologys Together, such as in the lte networks, the node B (evolved NodeB, eNB) of referred to as evolution, in subsequent evolution system, may be used also To be known as new radio node B (new radio nodeB, gNB).It, will in the subsequent description of the embodiment of the present application for convenience of description Simply it is described with base station.The data transmission method and device of multi-link provided by the embodiments of the present application are mainly for UE to net The application scenarios of network design.For the application scenarios of UE to network, the embodiment of the present application is directed to two institute of following scene one and scene The application scenarios of description provide the data transmission method and device of a kind of multi-link, can promote handling up for network communicating system Amount improves the user experience of multi-link data transmission.It is appreciated that a long-range UE can pass through multiple relaying UE access simultaneously To base station, each relaying UE can transmit certain customers' face data of the long-range UE respectively, therefore dual link is referred to as Multi-connection (multi-connectivity).
The data transfer mode of the following two kinds scene is not provided in the prior art.LTE network and NR network provide double The application of D2D technology is not provided in link scene.
Below in conjunction with Fig. 5 to Figure 19 under two kinds of application scenarios provided by the embodiments of the present application data transmission method and Device is described.
Scene one (case1):
It is a schematic diagram of a scenario of the data transmission method of multi-link provided by the embodiments of the present application referring to Fig. 5.Such as Fig. 5 Shown, long-range UE is transmitted by the data that two relaying UE (such as relaying UE1 and relaying UE2) carry out multi-link with base station.Fig. 5 Shown in application scenarios, the data transmission of multi-link can also be triggered by long-range UE, can specifically be passed through respectively by base station triggers Following implementation one and implementation two describe.
Implementation one (case1-1, case1-2):
Case1-1: long-range UE executes discovery and the connection procedure of relaying UE2.
It is an interaction schematic diagram of the data transmission method of multi-link provided by the embodiments of the present application referring to Fig. 6.The application Embodiment provide method comprising steps of
S61, base station determine that increasing relaying UE and long-range UE carries out data transmission.
Specifically, base station passes through the link-quality of cellular link (cellure link) and the link of side chain (sidelink) The metrical information of quality, it is determined whether increase another relaying UE (the i.e. second relaying UE, such as relaying UE2) and carry out and long-range UE Between data transmission.Specifically, measurement configuration information can be issued to by base station by the first relaying UE (such as relaying UE1) Long-range UE, or long-range UE is directly issued to by base station and the direct link of long-range UE.Wherein, the chain of cellular link Road quality refers to the link-quality of the Uu mouth between relaying UE1 and base station, can obtain and issue remote by relaying UE1 measurement Journey UE is transmitted to base station by long-range UE, or is obtained by relaying UE1 measurement and be transmitted directly to base station.The chain of Sidelink Road quality refers to long-range UE and relays the link-quality of the interface between UE.Above-mentioned sidelink concretely D2D link it Between interface, for the communication and discovery procedure between UE, such as PC5 interface.Wherein, solution of the above-mentioned sidelink in agreement It releases as follows: " UE to UE interface for sidelink communication and sidelink discovery (UE to UE interface carries out edge communications and side chain link discovery) .The sidelink corresponds to the PC5interface (sidelink corresponds to PC5 interface)." wherein, PC5 interface is to enable between the UE of adjacent service function Interface, for example, the interface between relaying UE and long-range UE.Long-range UE needs to report the measurement of current sidelink to believe to base station Breath, the information such as channel quality including relaying (connected relay) state and sidelink that have connected are used for base station Whether decision increases relaying UE.Above-mentioned metrical information may also include channel quality between long-range UE and base station or long-range UE's The information such as load condition can specifically determine, herein with no restrictions according to practical application scene.
In the specific implementation, needing for the partial data of long-range UE to be diverted in another if base station is determined according to metrical information After UE, then it can determine that increase relaying UE and long-range UE carries out data transmission.
S62, base station send the instruction message for increasing relaying UE to long-range UE.
Specifically, base station can by relaying UE1 send increase relaying UE instruction message to long-range UE, i.e. base station first It sends and increases the instruction message for relaying UE to relaying UE1.The instruction message of above-mentioned increase relaying UE can be in base station and relaying UE1 Between wireless heterogeneous networks (radio resource control, RRC) message in carry, such as RRCconnectionreconfiguration message, is also possible to carry in existing other message or newly-increased message Middle carrying, does not limit herein.Relaying UE1 forwards the instruction message of above-mentioned increase relaying UE to long-range UE after receiving.Long-range UE with It relays the instruction message between UE1 and sends and can request (one-to-one by the One-to-one communication between long-range UE and relaying UE1 Communication request) message carrying, it, can also be by new such as direct communication request message The message of increasing carries, herein with no restrictions.Instruction message transmission between base station and relaying UE1 can be carried by RRC information, Such as RRCconnectionreconfiguration message, it can also be carried by other existing message or new information carries, Herein with no restrictions.
Specifically, the instruction message of above-mentioned increase relaying UE is used to indicate long-range UE and finds another available relaying UE.
It optionally, include the increased relaying UE of institute (such as relaying UE2) in the instruction message of above-mentioned increase relaying UE Identification information, specific above-mentioned identification information can be the information such as relaying UE2 mark (identity, ID).
Optionally, further include the demand of multi-link data transmission in the instruction message of above-mentioned increase relaying UE, be used to indicate The demand that the multi-link data transmits is sent to increased relaying UE, such as relaying UE2 by long-range UE, with triggering relay UE2 to It initiates multi-link and establishes request in base station.
Optionally, the title of the instruction message of above-mentioned increase relaying UE can use other titles, herein with no restrictions.
In the specific implementation, base station can pass through long-range UE and base if there is the link of direct communication between base station and long-range UE The instruction message for increasing relaying UE is sent under link of eating dishes without rice or wine between standing.
Optionally, if in the instruction message of above-mentioned increase relaying UE including the demand of multi-link data transmission, on Identification information, such as the ID of base station of base station etc. can also be carried by stating in the instruction message for increasing relaying UE.In addition to this, above-mentioned Long-range UE can also be carried by increasing in the instruction message of relaying UE needs to be diverted to the carrying information of relaying UE2, Qos, flow dividing type Etc. information, herein with no restrictions.
S63, long-range UE discovery relaying UE2.
Specifically, if not having to include the identification information for relaying UE in the instruction message of the increase relaying UE in S62 step, So long-range UE independently has found relaying UE2.If including relaying UE in the instruction message of the increase relaying UE in S62 step Identification information, then identification information discovery relaying UE2 of the long-range UE according to the relaying UE2 in above-mentioned instruction message.
Optionally, the discovery mode discovery relaying UE2 of mode A or mode B can be used in long-range UE.Wherein, mode A It can are as follows: long-range UE sends out announcing message；Mode B can send out solicitation message for long-range UE.On in the specific implementation, The specific implementation for stating mode A and mode B discovery mode can be found in the implementation provided in existing standard, not do herein Limitation.
S64, long-range UE are sent to base station increases relaying UE success message.
Specifically, long-range UE can be sent to relaying UE1 increases relaying UE success message, forwarded by relaying UE1 to base station Increase relaying UE success message.Do not succeed if increasing relaying UE2, sends to relaying UE1 if long-range UE and increase relaying UE and lose Lose message.Above-mentioned long-range UE relays UE success message and increase relaying UE failed message by the increase that relaying UE1 is sent can be with It is carried in One-to-one communication request message, it can also be by being carried in newly-increased message, herein with no restrictions.Relay UE1 to The increase relaying UE success message and increase relaying UE failed message of base station forwarding can carry in RRC information, be also possible to It is carried in existing other message or newly-increased message, herein with no restrictions.
Optionally, if not having to include the identification information for relaying UE in the instruction message of the increase relaying UE in S62 step, Long-range UE needs the identification information of the relaying UE2 found to be sent to relaying UE1, can specifically increase relaying UE success It is sent in message.Identification information of the UE1 to base station forward relay UE2 is relayed, specifically can relay UE success message increasing Middle transmission.
Optionally, the message name of above-mentioned increase relaying UE success message and increase relaying UE failed message can use it His title, it is not limited here.
Optionally, if there is the link of direct communication between long-range UE and base station, long-range UE can pass through base station and long-range UE Between Link Feedback of eating dishes without rice or wine increase relaying UE success message, specifically can by RRC information or other existing message or Person increases message newly, it is not limited here.
S65, base station are transmitted across according to the increase relaying UE success message triggering and the relaying UE2 data for establishing multi-link Journey.
Specifically, base station sends multi-link data transfer request to relaying UE2, relaying UE2 receives the transmission of multi-link data Multi-link data transmission response is returned after request.It is to need to shunt that above-mentioned multi-link data transfer request, which is used to indicate relaying UE2, Carrying distributing radio resource, above-mentioned multi-link data transmission response is used to that base station relaying UE2 to be notified to be confirmed as needing to shunt Carry distributing radio resource.It wherein, include the carrying information for needing to shunt, Qos, flow dividing type in multi-link data transfer request And at least one of tunnel information etc..It include carrying information, the tunnel information that confirmation shunts in multi-link data transmission response Deng at least one.Detailed description about multi-link Establishing process is referred to the phase that LTE double-strand in the prior art connects foundation Hold inside the Pass, this will not be repeated here.
It should be noted that the information such as carrying information, Qos and flow dividing type provided by the embodiments of the present application can be similar Parameter in the multi-link scene of LTE and NR network.Such as: carrying information includes load identification etc..Qos may include Qos class Identifier (QoS class identifier, QCI), distribution keep priority (allocation and retention Priority, ARP) etc..Above-mentioned flow dividing type may include that division carrying base station shunts (split bearer) either core net Shunt (such as prothetic group station group shunts (secondary cell group, SCG) bearer) etc..
Optionally, above-mentioned multi-link data transfer request and multi-link data transmission response can pass through relaying UE2 and base RRC information between standing carries, and can also perhaps be carried by other existing message or newly-increased message carries, do not done herein Limitation.
Optionally, if needing first to establish RRC connection, specific method for building up there are no link between base station and relaying UE2 Detailed description be referred to related content in the prior art, this will not be repeated here.
Optionally, following steps S64 ' and S65 ' replacement can be used in above-mentioned steps S64 and S65:
S64 ', long-range UE send the demand that multi-link data are transmitted to relaying UE2.
Specifically, the implementation as described in above-mentioned steps S62, if the increase relaying UE that base station is sent to long-range UE Instruction message in may include the transmission of multi-link data demand (the alternatively referred to as instruction etc. of multi-link data transmission, herein not It is limited), then the demand that multi-link data are transmitted can be sent to relaying UE2 after long-range UE discovery relaying UE2, to trigger relaying UE2 initiates the data transmission procedure for the multi-link established with base station.
Optionally, above-mentioned long-range UE sends the mark that base station can be carried in the demand that multi-link data are transmitted to relaying UE2 Know information, such as the ID of base station etc..
Optionally, the demand of above-mentioned multi-link data transmission can also carry in increasing relaying UE success message.That is, remote Journey UE can be sent to relaying UE2 increases relaying UE success message, carries multi-link data in increasing relaying UE success message and passes The information such as the defeated ID of demand and base station are established and the transmission of the multi-link data of base station with triggering relaying UE2.
Optionally, before this step, long-range UE can be sent to base station relaying UE success message is increased, with S64 step.
The data that the demand triggering that S65 ', relaying UE2 are transmitted according to the multi-link data establishes multi-link with base station pass Defeated process.
Specifically, relaying UE2 can be sent out to base station after long-range UE sends the demand that multi-link data are transmitted to relaying UE2 Multi-link is sent to establish demand.The multi-link that base station can be sent according to relaying UE2 establishes demand triggering and establishes multi-link with relaying UE2 Data transmission procedure.Wherein, base station triggers and the implementation of the relaying UE2 data transmission procedure for establishing multi-link can be found in Above-mentioned steps S65, this will not be repeated here.Or relaying UE2 directly sends multi-link to base station and establishes request, base station is returned after receiving It returns multi-link and establishes response message to relaying UE2.Above-mentioned multi-link data transfer request is used to indicate base station relaying UE2 Which carrying distributing radio resource.Above-mentioned multi-link data transmission response is for notifying the relaying base station UE2 to be confirmed as shunting these It is carried to relaying UE2.
Optionally, if not having to include the identification information for relaying UE in the instruction message of the increase relaying UE in S62 step, So long-range UE independently has found relaying UE2.Long-range UE sends demand that multi-link data transmit to relaying UE2 (or in increasing After UE success message, increase the demand that the transmission of multi-link data is carried in relaying UE success message) after, UE2 is relayed according to upper State in the demand of multi-link data transmission its main serving BS of the identification information judgment of base stations such as ID of base station for carrying whether be The base station that the ID of above-mentioned base station is identified.If relaying UE2 determines that the base station of its main service is the base that is identified of ID of above-mentioned base station It stands, then can initiate multi-link to base station and establish demand.The multi-link that base station can be initiated according to relaying UE2 establishes demand triggering in The data transmission procedure of multi-link is established after UE2.Wherein, base station triggers and relaying UE2 establish the data transmission procedure of multi-link Implementation can be found in above-mentioned steps S65, this will not be repeated here.Or relaying UE2 directly sends multi-link to base station and establishes Request, base station return to multi-link and establish response message to relaying UE2 after receiving.
Optionally, it if there are no RRC to link with base station by relaying UE2 at this time, first has to first establish RRC link.Specifically RRC method for building up refers to the prior art, and details are not described herein.
Multi-link request and multi-connection response message in above-mentioned steps can use other message names, herein not It limits.
S66, base station send configuration information to long-range UE.
Specifically, base station can send configuration information to long-range UE by relaying UE1, it can also be by relaying UE2 to remote Journey UE sends configuration information.
In some possible embodiments, base station can issue configuration information to long-range UE by relaying UE1.Long-range UE can It is established according to configuration information and relays the One-to-one communication of UE2, and then data transmission can be started.
Optionally, above-mentioned configuration information includes the carrying configuration information between long-range UE and relaying UE2 and above-mentioned carrying Configuration information indicates information using interface.Wherein, above-mentioned carrying configuration information includes PC5bearer, uses reflective Instruction information and PC5bearer and flow Id at least one of mapping relations.Wherein, above-mentioned PC5bearer is Carrying between long-range UE and relaying UE2 can continue to use packet priority ((the ProSe per- of existing carrying prose Packet priority, PPPP), i.e., each data packet has oneself a ProSe priority), it is also possible to new hold It carries, the embodiment of the present application not qualified name word.The mapping relations of above-mentioned PC5bearer and flow Id NR system core net and The data stream transmitting that resident accesses the side net (residential access network, RAN) no longer carries rank, and It is stream (flow) rank, therefore base station needs the mapping relations of the two to issue remote UE.
In addition, it is optional, since relaying UE1 is also to need to obtain carrying configuration information, for example, PC5bearer and flow The mapping relations etc. of Id.Therefore when base station forwards configuration information to long-range UE by relaying UE1, in the RRC information that is forwarded also It is being referred to using interface for the Uu interface for the PC5 interface of long-range UE or for relaying UE2 including above-mentioned carrying configuration information Show information, and then relaying UE1 can be allowed to determine that received configuration information is repeated no more below for which interface.
In some possible embodiments, the process that long-range UE and relaying UE2 establishes One-to-one communication can also be in base station It is carried out before issuing configuration information to long-range UE.Long-range UE and relaying UE2 can then carry out data biography after establishing One-to-one communication It is defeated.Further, base station can send configuration information to relaying UE2, forward configuration information to long-range UE by relaying UE2.
Case1-2: relaying UE2 executes discovery and the connection procedure of long-range UE.
It is another interactive schematic diagram of the data transmission method of multi-link provided by the embodiments of the present application referring to Fig. 7.This Shen Please embodiment provide method comprising steps of
S71, base station determine that increasing relaying UE and long-range UE carries out data transmission.
Specifically, base station can according to the implementation that metrical information determines that increase relaying UE and long-range UE carries out data transmission Referring to implementation described in above-described embodiment step S61, details are not described herein.
S72, base station send multi-link data transfer request to relaying UE2.
Specifically, base station can send multi-link data transfer request to relaying UE2, triggering relaying UE2 executes long-range UE's Discovery procedure.
Optionally, above-mentioned multi-link data transfer request can carry in the RRC information between base station and relaying UE2, Such as RRCconnectionreconfiguration message, it is also possible to carry in existing other message, or increases newly and disappear It carries in breath, does not limit herein.
Optionally, above-mentioned multi-link data transfer request includes discovery instruction information, and above-mentioned discovery instruction information is for referring to Show that relaying UE2 has found long-range UE.
Optionally, the title of above-mentioned multi-link data transfer request can use other titles, herein with no restrictions.
S73, relaying UE2 have found long-range UE.
Optionally, if in above-mentioned discovery instruction information including the identification information, such as the ID of long-range UE etc. of long-range UE, relaying UE2 then can go to find long-range UE according to the identification information of above-mentioned long-range UE.
If not including the identification information of long-range UE in above-mentioned discovery instruction information, relays UE2 and receive multi-link data biography It can actively go to find long-range UE after defeated request.
S74, relaying UE2 establish the One-to-one communication with long-range UE.
Specifically, relaying UE2 can have found long-range UE by the discovery mode of above-mentioned mode A and mode B, then and remotely UE establishes One-to-one communication.In the specific implementation, the specific implementation of above-mentioned mode A and mode B discovery mode can be found in now There is the implementation provided in standard, herein with no restrictions.
After relaying the long-range UE of UE discovery, then the One-to-one communication with long-range UE can be established.
S75, relaying UE2 send multi-link data transmission response to base station.
Specifically, returning to multi-link data transmission response to base station if relaying UE2 is successfully established with long-range UE communication. If relaying UE2 is not successfully established with long-range UE communication, failed message is returned.Wherein, above-mentioned multi-link data transmission response It can be sent by the RRC information between relaying UE2 and base station, be also possible to the message of other new definition, the embodiment of the present application is not It limits.The carrying information that relaying UE2 confirmation needs to shunt can be wrapped in above-mentioned multi-link data transmission response.
Optionally, if the instruction information in S72 step does not carry the identification information of long-range UE, UE2 is relayed It needs the identification information of the long-range UE found to be sent to base station in above-mentioned multi-link data transmission response.By base station into one Step judges whether to continue to execute below step.
Optionally, the One-to-one communication process for relaying UE and long-range UE can also execute after this step.
S76, base station send configuration information to long-range UE.
Specifically, can create what needs shunted after base station receives the multi-link data transmission response that relaying UE2 is fed back The corresponding configuration information of information is carried, and is handed down to long-range UE by relaying UE2.Wherein, the letter carried in above-mentioned configuration information Breath can be found in the implementation provided in above-described embodiment, and details are not described herein.
Implementation two (case1-3):
In some possible embodiments, the multi-link data transmission between long-range UE and base station can also be touched by long-range UE Hair, below in conjunction with implementation described in above-mentioned case1-1 and case1-2 and Fig. 8 to provided by the embodiments of the present application more Another implementation of the data transmission method of link is described.It is multi-link provided by the embodiments of the present application referring to Fig. 8 Data transmission method another interactive schematic diagram.Method provided by the embodiments of the present application comprising steps of
S81, long-range UE discovery relaying UE2.
Specifically, long-range UE is currently just via relaying before long-range UE sends relaying UE2 (can be set as the second relaying UE) UE1 (can be set as the first relaying UE) carries out data transmission with base station, and according to the link-quality and/or cellure of sidelink The link-quality of link determines that increasing relaying UE2 realization and the data of base station transmits.
Optionally, long-range UE can through the foregoing embodiment described in the discovery modes discovery relaying such as mode A and mode B UE2, details are not described herein.
S82, long-range UE and relaying UE2 establish One-to-one communication.
S83, long-range UE send multi-link data transfer request to base station.
Specifically, long-range UE can initiate multi-link data transfer request to base station by the relaying UE2 found, i.e., far The relaying UE2 that journey UE can be had found to it sends multi-link data transfer request, and forwards multi-link to base station by relaying UE2 Data transfer request.The data chain that multi-link data transfer request is used to that base station to be requested to be established through relaying UE to long-range UE Road.Or it is optional, multi-connection data transfer request can also be sent by relaying UE1.Relaying UE1 hair is passed through for long-range UE The mark letter of relaying UE2 can be carried in the case where sending multi-link data transfer request to base station, in multi-link data transfer request Breath, specific process is with implementation one, and details are not described herein.The content carried in multi-link data transfer request can be found in State implementation described in embodiment.
Optionally, long-range UE can first establish one-to-one communication, or long-range UE in multichain with relaying UE2 before this step It connects after data transmission link foundation is completed and establishes one-to-one communication with relaying UE2 again.
It optionally, may include that long-range UE needs to carry out multi-link point in the communication information between long-range UE and relaying UE2 The carrying information of stream.It should be noted that herein long-range UE and relaying UE2 between One-to-one communication be served only for establish default hold It carries.
Long-range UE and relaying UE2 are established after connection, and long-range UE initiates multi-link data transfer request by relaying UE2 and arrives Base station.
Optionally, multi-link data transfer request disappearing to base station is forwarded by found relaying UE2 for long-range UE It may include the identification information of long-range UE current serving BS in breath.Long-range UE sends the transmission of multi-link data to relaying UE2 Request, relaying UE2 can sentence according to the identification information of the long-range UE current serving BS carried in multi-link data transfer request Whether its disconnected current base station serviced is same with long-range UE current serving BS.If it is continue to forward multi-link Data transfer request is to base station, otherwise, returns to multi-link and transmits failure information to long-range UE.
Optionally, multi-link data transfer request disappearing to base station is forwarded by found relaying UE2 for long-range UE May include in breath need long-range UE need to be diverted to one of the information such as the carrying information of relaying UE2, Qos, flow dividing type or It is multiple.
Multi-link data transmission response is fed back to long-range UE in S84, base station.
Specifically, can join if the multi-link data transfer request that long-range UE is sent is sent by relaying UE1 Examine implementation described in above-described embodiment.Above-mentioned multi-link data transmission response is for notifying that the above-mentioned base station long-range UE is logical The data transmission link for crossing relaying UE2 to long-range UE, which is established, to be completed.Long-range UE can carry out data biography by relaying UE1 and base station Defeated, long-range UE can also be carried out data transmission by relaying UE2 with base station.
S85, base station send configuration information to long-range UE.
In some possible embodiments, base station creates configuration information, while configuration information is issued long-range UE in After UE2, configuration information includes the carrying configuration information between long-range UE and relaying UE2.Above-mentioned carrying configuration information includes The mapping relations of PC5bearer and PC5bearer and flow Id, or the instruction information using reflective.
Optionally, it is to be used for that it further includes carrying configuration information that base station is transmitted in the RRC information of long-range UE by relaying UE2 The use interface that the PC5 interface of long-range UE still is used to relay the Uu interface of UE2 indicates information.
Optionally, above-mentioned configuration information can also directly by the multi-link data transmission response message in S84 step come It sends.
The message being related in the embodiment of the present application is sent, as the message transmission between long-range UE and relaying UE can use It is existing to find perhaps One-to-one communication message or existing other message or newly-increased message, it does not limit herein；Relay UE and base station Between message send and can not be limited herein using RRC information or existing other message or newly-increased message.
The technical issues of long-range UE that the embodiment of the present application solves is carried out data transmission by multiple relaying UE and base station is led to The data transmission for crossing multi-link promotes the handling capacity of cell, the user experience of improve data transfer.
Scene two (case2):
It is another schematic diagram of a scenario of the data transmission method of multi-link provided by the embodiments of the present application referring to Fig. 9.Such as figure Shown in 9, long-range UE is communicated by a relaying UE (such as relaying UE1) with two base stations.Wherein, above-mentioned two base station can To be master (master) base station, an auxiliary base station (secondary).Master base station LTE NR network similar with prothetic group station In double-strand connect (dual connectivity, DC), the standard of major-minor base station there is no limit.Wherein, excellent in above-mentioned two base station First it can be described as master base station with the base station for establishing connection relaying UE.Subsequent increased and relaying UE establishes connection in above-mentioned two base station Base station can be described as prothetic group station, prothetic group station is for shunting carrying.In the specific implementation, above-mentioned master base station is concretely in LTE network Master base station (master eNB, MeNB) or NR network in master base station (master gNB, MgNB).Above-mentioned prothetic group station tool Body can be the prothetic group station (secondary eNB, SeNB) in LTE network or the prothetic group station (secondary in NR network GNB, SgNB).
It is another interactive schematic diagram of the data transmission method of multi-link provided by the embodiments of the present application referring to Figure 10.This Apply embodiment provide multi-link data transmission method comprising steps of
S91, relaying UE send the instruction of multi-link data transfer request to first base station.
Specifically, first base station can be master base station, for the convenience of description, will be simply described below with master base station.
It is built specifically, the instruction of above-mentioned multi-link data transfer request is used to indicate master base station with prothetic group station (the second base station) The vertical data transmission link by relaying UE to long-range UE.Optionally, it is carried in the instruction of above-mentioned multi-link data transfer request To carry out the base station instruction information of multi-link.Wherein, above-mentioned base station instruction information specifically may include one group of base station (i.e. at least one A base station) identification information.The identification information of above-mentioned base station can be the ID of base station, be also possible to the ID of base station affiliated subdistrict, The embodiment of the present application does not limit.At this point, long-range UE passes through relaying UE and master base station carries out the transmission of data.
Optionally, relaying UE can determine triggering multichain by the link-quality of measurement existing cellular link (i.e. Uu mouthfuls) The data transmission connect.
S92, first base station send multi-link data transfer request to the second base station.
Specifically, first base station is carried out according to determining to increase base station supplemented by the second base station from the instruction information that receives of relaying UE The transmission of multi-connection data, for the convenience of description, below will simply using first base station as master base station, supplemented by the second base station base station into Row description.It, can be according to above-mentioned multi-link number after master base station receives the instruction for the multi-link data transfer request that relaying UE is sent Determine whether to add base station as prothetic group station according to the instruction of transmission request.
Optionally, the mark letter for the base station that master base station can carry in the instruction according to above-mentioned multi-link data transfer request Breath judges whether there is interface between candidate base station and master base station that above-mentioned identification information is identified.If above-mentioned identification information is marked There is interface between the candidate base station (such as base station 1) and master base station of knowledge, master base station then can determine that increasing base station 1 is used as prothetic group station.
Optionally, master base station can also determine whether to increase according to information such as each load of base station base station as prothetic group station, tool Body can be determined according to practical application scene, not know to limit herein,
If master base station determines that addition base station as prothetic group station, can initiate the transmission of multi-link data to selected prothetic group station Request.Specifically, above-mentioned multi-link data transfer request is carrying distributing radio resource to be shunted for requesting prothetic group station.
Optionally, the name of above-mentioned multi-link data transfer request, which can be, continues to use SgNB addition in current DC The name of request message is also possible to other names, and the embodiment of the present application is with no restrictions.
Optionally, the related context information of current hop UE is also carried in above-mentioned multi-link data transfer request, for example, ID including relaying UE, the information etc. of relaying UE authorization (authorised).
It optionally, further include that relaying UE wishes matching for the carrying for being diverted to prothetic group station in above-mentioned multi-link data transfer request Confidence breath, the DC in specific similar LTE, such as load identification, Qos and flow dividing type it is one or more.
S93, the second base station send multi-connection data transmission response to first base station.
In some possible embodiments, above-mentioned multi-link data transmission response is for notifying master base station multi-link data Transmission requests the radio resource allocation of requested carrying to be shunted to be completed.Prothetic group station receives multi-connection data transfer request Afterwards, it can be the requested carrying distributing radio resource of multi-connection data transfer request, and create the configuration information of relevant bearer.On Master base station can be sent to by multi-link data transmission response by stating configuration information.
Optionally, above-mentioned configuration information includes the carrying configuration information relayed between UE and prothetic group station.Specifically, above-mentioned hold Carrying configuration information includes PC5bearer, uses the instruction information and PC5bearer of reflective and the mapping of flow Id Relationship etc., for details, reference can be made to the implementations described in above-described embodiment, and details are not described herein.
Optionally, above-mentioned configuration information can also include carrying configuration information using interface instruction information, be used to indicate Above-mentioned configuration information is for relaying the interface between interface or relaying UE and long-range UE between UE and base station.Can specifically it join See implementation described in above-described embodiment, details are not described herein.
S94, first base station return to multi-link transmission link to relaying UE and establish the instruction completed.
In some possible embodiments, above-mentioned multi-link transmission link establishes the instruction completed for notifying relaying UE The data transmission link of multi-link, which is established, to be completed, to realize that prothetic group station carries out data transmission via relaying UE and long-range UE.Wherein, Above-mentioned prothetic group station can carry the configuration information of relevant bearer to establish in the instruction completed in multi-link transmission link and be sent to UE is relayed, such as new configuration information can be sent to relaying UE by the RRC information between base station and relaying UE.UE is relayed to receive Configuration information can be transmitted to long-range UE simultaneously after new configuration information.
Optionally, the message name that above-mentioned multi-link transmission link establishes the instruction completed is alternatively referred to as multi-link data biography The instruction being finished or other names for being used to that the data transmission link of relaying UE multi-link to be notified to establish completion, herein not It is limited.
Optionally, this message is that optional message exists, and prothetic group station can be carried the configuration information of relevant bearer other Long-range UE is sent to by relaying UE in existing message or new information.
S95, relays UE1 and connection is established in the second base station.
In some possible embodiments, if not linking between relaying UE and prothetic group station, relaying UE at this time can be with Prothetic group station initiating random access procedure connect foundation with prothetic group station creation RRC.It should be noted that among the above after UE and prothetic group The RRC foundation in access procedure is docked in the connection initiated of standing can be found in the implementation provided in existing LTE standard, herein no longer It repeats.
After relaying UE and prothetic group station establish connection and complete configuration, long-range UE can then be executed by relaying UE and prothetic group The data transmission stood.
The instruction message of multi-link data transfer request in the embodiment of the present application, multi-connection transmission link, which are established, to be completed to disappear Breath can use other titles, not limit herein.
The embodiment of the present application solves the technical issues of long-range UE is carried out data transmission by relaying UE and multiple base stations, leads to The data transmission for crossing multi-link improves the handling capacity of cell, the user experience of improve data transfer.
It is an example structure schematic diagram of base station provided by the embodiments of the present application referring to Figure 11.The embodiment of the present application mentions The base station of confession includes:
Processing unit 111, it is presently described remote for determining that increasing trunk subscriber equipment UE and long-range UE carries out data transmission Journey UE carries out data transmission via the first relaying UE with base station；
Transmit-Receive Unit 112, it is described to increase relaying UE's for sending the instruction message for increasing relaying UE to the long-range UE Instruction message is used to indicate long-range the second relaying of UE discovery UE；
The Transmit-Receive Unit 112 is also used to receive the increase relaying UE success message of the long-range UE feedback；
The processing unit 111 is also used to according to the received increase relaying UE success message of the Transmit-Receive Unit 112 The data transmission procedure of multi-link is established in triggering with the second relaying UE, to realize the long-range UE via second relaying The data of UE and the base station are transmitted.
In some possible implementations, the Transmit-Receive Unit 112 is used for:
The instruction message for increasing relaying UE is sent to the long-range UE by the first relaying UE；
Wherein, the instruction message for increasing relaying UE is by one-to-one between the long-range UE and the first relaying UE Communication request message or predefined message carry.
In some possible implementations, the Transmit-Receive Unit 112 is used for:
The instruction message for increasing relaying UE is issued by the link of eating dishes without rice or wine between the long-range UE and the base station；
Wherein, the instruction message for increasing relaying UE is by the wireless heterogeneous networks between the base station and the long-range UE RRC information or predefined message carry.
It include the second mark for relaying UE in the instruction message for increasing relaying UE in some possible implementations Information.
It include the transmission of multi-link data in the instruction message for increasing relaying UE in some possible implementations Demand, the demand of the multi-link data transmission are used to indicate the long-range UE and multi-link data transfer request are sent to second Relay UE.
It include the transmission of multi-link data in the instruction message for increasing relaying UE in some possible implementations The identification information of demand and the base station；
Wherein, the demand of the multi-link data transmission is used to indicate the long-range UE and sends out multi-link data transfer request It send to relaying UE to be increased, to trigger the base station hair that the relaying UE to be increased is identified to the identification information of the base station It plays multi-link and establishes request.
In some possible implementations, the Transmit-Receive Unit 112 is used for:
It receives the long-range UE and UE success message is relayed by the increase of the first relaying UE feedback.
In some possible implementations, described increase includes the second mark letter for relaying UE in relaying UE success message Breath；
The Transmit-Receive Unit 112, for being sent according to the identification information of the second relaying UE to the second relaying UE Multi-link data transfer request；
The processing unit 111, for according to it is described second relaying UE feedback multi-link data transmission response establish with The data of the second relaying UE transmit connection.
In some possible implementations, the Transmit-Receive Unit 112 is also used to:
Configuration information is sent to the long-range UE by the first relaying UE or the second relaying UE.
In some possible implementations, the configuration information includes between the long-range UE and the second relaying UE Carrying configuration information and it is described carrying configuration information using interface indicate information；
Wherein, the use interface instruction information of the carrying configuration information is used to indicate the carrying configuration information for institute State the interface of the second relaying UE, or the interface for the long-range UE.
It is an a kind of structural schematic diagram of terminal device provided by the embodiments of the present application referring to Figure 12.The embodiment of the present application The terminal device of offer can be long-range UE provided by the above embodiment, can include:
Transmit-Receive Unit 121, for receive base station transmission increase relaying UE instruction message, presently described long-range UE via First relaying UE carries out data transmission with the base station；
Processing unit 122, for according to the received instruction message discovery second for increasing relaying UE of the transceiver Relay UE；
The Transmit-Receive Unit 121 is also used to after the processing unit 122 finds the second relaying UE, to described Base station, which is sent, increases relaying UE success message, and the increase relaying UE success message is for triggering in the base station and described second The data transmission procedure of multi-link is established after UE；
The Transmit-Receive Unit 121 is also used to receive the configuration information that the base station is sent to realize via in described second Carry out data transmission after UE and the base station.
In some possible implementations, the Transmit-Receive Unit 121 is used for
It receives the base station and passes through the instruction message of the first relaying UE increase relaying UE sent；Or
It receives the base station and relays UE's by the increase that the link of eating dishes without rice or wine between the long-range UE and the base station issues Instruction message.
It include the second mark for relaying UE in the instruction message for increasing relaying UE in some possible implementations Information.
In some possible implementations, the Transmit-Receive Unit 121 is used for:
It is sent by the first relaying UE to the base station and increases relaying UE success message；
Wherein, described increase includes the second identification information for relaying UE in relaying UE success message.
It is another structural schematic diagram of terminal device provided by the embodiments of the present application referring to Figure 13.The embodiment of the present application mentions The terminal device of confession can be long-range UE provided by the above embodiment, can include:
Transmit-Receive Unit 131, for receive base station transmission increase relaying UE instruction message, presently described long-range UE via First relaying UE carries out data transmission with the base station；
Processing unit 132, for being found according to the received instruction message for increasing relaying UE of the Transmit-Receive Unit 131 Second relaying UE；
The Transmit-Receive Unit 131 is also used to after the processing unit 131 finds the second relaying UE, to described Second relaying UE, which is sent, increases relaying UE success message, and the increase relaying UE success message is for triggering the second relaying UE The data transmission procedure of multi-link is established with the base station；
The Transmit-Receive Unit 131 is also used to receive the configuration information that the base station is sent to realize via in described second Carry out data transmission after UE and the base station.
It include the second mark for relaying UE in the instruction message for increasing relaying UE in some possible implementations Information.
It is described to increase the need including the transmission of multi-link data in relaying UE success message in some possible implementations It sums the identification information of the base station；
Wherein, the demand of the multi-link data transmission is used to indicate the second relaying UE and believes to the mark of the base station It ceases identified base station and initiates multi-link foundation request.
It is another structural schematic diagram of base station provided by the embodiments of the present application referring to Figure 14.It is provided by the embodiments of the present application Base station includes:
Processing unit 141, for determining that increasing the second trunk subscriber equipment UE and long-range UE carries out data transmission, current institute It states long-range UE and carries out data transmission via the first relaying UE with the base station；
The processing unit 141 is also used to establish connection with the second relaying UE；
Transmit-Receive Unit 142, for sending multi-link data transfer request to the second relaying UE；
The Transmit-Receive Unit 142, be also used to receive it is described second relaying UE feedback multi-link data transmission response, and to The long-range UE sends configuration information, to realize that the long-range UE is passed via the data of the second relaying UE and the base station It is defeated.
In some possible implementations, the processing unit 141 is also used to:
According to the multi-link data transmission response, corresponding to the carrying information for creating the second relaying UE Configuration information；
The Transmit-Receive Unit 142, for relaying UE to the long-range UE by the first relaying UE or described second Send the configuration information.
It is another structural schematic diagram of terminal device provided by the embodiments of the present application referring to Figure 15.The embodiment of the present application mentions The terminal device of confession can be the second relaying UE provided by the above embodiment, can include:
Processing unit 151 is connected for establishing data transmission with base station, and the base station is currently via the first relaying UE and remote Journey carries out data transmission；
Transmit-Receive Unit 152, the multi-link data transfer request sent for receiving the base station, the multi-link data pass Defeated request is used to indicate the second relaying UE and finds the long-range UE；
The processing unit 151 is also used to find the long-range UE according to the multi-link data transfer request；
The processing unit 151 is also used to establish data transmission connection with the long-range UE；
The Transmit-Receive Unit 152 is also used to send multi-link data transmission response, the multi-link data to the base station Transmission response is for notifying the second relaying UE described in the base station to be successfully established with the long-range UE communication.
In some possible implementations, the Transmit-Receive Unit 152 is also used to:
The configuration information that the base station is sent is received, and forwards the configuration information to the long-range UE.
It is another structural schematic diagram of terminal device provided by the embodiments of the present application referring to Figure 16.The embodiment of the present application mentions The terminal device of confession can be long-range UE provided by the above embodiment, can include:
Processing unit 161, for finding the second relaying UE, and the determining and described second relaying UE establishes data transmission and connects It connects, presently described long-range UE carries out data transmission via the first relaying UE with base station；
Transmit-Receive Unit 162, for sending multi-link data transfer request, institute to the base station by the second relaying UE Multi-link data transfer request is stated to pass for requesting the second relaying UE and the base station to establish to the data of the long-range UE Transmission link；
The Transmit-Receive Unit 162 is also used to receive the multi-link data transmission response that the base station is sent, the multi-link Data transmission response is used to that base station described in the long-range UE to be notified to pass by the data of the second relaying UE to the long-range UE Transmission link, which is established, to be completed.
It include described in the base station is sent in some possible implementations, in the multi-link data transmission response The configuration information of long-range UE, the long-range UE according to the configuration information realize via the second relaying UE and the base station into The transmission of row data.
In some possible implementations, the Transmit-Receive Unit 162 is used for:
Multi-link data transfer request is sent to the second relaying UE, to relay UE to the base station by described second Forward multi-link data transfer request；
It wherein, include the identification information of the base station, the mark letter of the base station in the multi-link data transfer request Breath forwards the multi-link data transfer request to the base station for triggering the second relaying UE.
In some possible implementations, the Transmit-Receive Unit 162 is used for:
Multi-link data transfer request is forwarded to the base station by the first relaying UE；
Wherein, the identification information of the second relaying UE is carried in the multi-link data transfer request.
It is another structural schematic diagram of base station provided by the embodiments of the present application referring to Figure 17.It is provided by the embodiments of the present application Base station is first base station, can include:
Transmit-Receive Unit 171, the instruction of the multi-link data transfer request for receiving trunk subscriber equipment UE transmission, currently The first base station carries out data transmission via the relaying UE and long-range UE, and the instruction of the multi-link data transfer request is used Pass through the data transmission link for relaying UE to the long-range UE in indicating that the first base station and the second base station are established；
Processing unit 172, for determining the second base station of addition according to the instruction of the multi-link data transfer request；
The Transmit-Receive Unit 171 is also used to send multi-link data transfer request, the multi-link to second base station Data transfer request is carrying distributing radio resource to be shunted for requesting second base station；
The Transmit-Receive Unit 171 is also used to receive the multi-link data transmission response of second base station feedback, described more Link data transmission response is for notifying the radio resource allocation of carrying to be shunted described in the first base station to complete；
The Transmit-Receive Unit 171 is also used to send the instruction that multi-link data are transmitted to the relaying UE, described more The instruction that link data are transmitted is completed for notifying the data transmission link of the relaying UE multi-link to establish, to realize The second base station is stated to carry out data transmission via the relaying UE and the long-range UE.
In some possible implementations, the time of the second base station is carried in the instruction of the multi-link data transfer request The instruction information of base station is selected, the first base station determines the second base station according to the instruction information of the candidate base station.
It is another structural schematic diagram of terminal device provided by the embodiments of the present application referring to Figure 18.The embodiment of the present application mentions The terminal device of confession is relaying UE, can include:
Transmit-Receive Unit 181, it is described for sending the instruction of multi-link data transfer request to the first base station currently connected Carry the instruction information of candidate base station in the instruction of multi-link data transfer request, the first base station via the relaying UE and Long-range UE carries out data transmission；
The Transmit-Receive Unit 181 is also used to receive the instruction that the multi-link data that the first base station is sent are transmitted；
Processing unit 182, the instruction for being transmitted according to the received multi-link data of the transceiver are established It is transmitted with the data of the second base station of first base station selection.
In some possible implementations, including at least one candidate base station in the instruction information of the candidate base station Identification information；
The processing unit 182 is also used to:
The identification information of at least one candidate base station is obtained by measurement, and according to the mark of at least one candidate base station Know the instruction information that information determines candidate base station；
Wherein, the identification information includes the identification information of cell locating for the identification information and candidate base station of candidate base station.
It is a kind of structural schematic diagram of communication equipment 40 provided by the embodiments of the present application referring to Figure 19, Figure 19.Such as Figure 19 institute Show, communication equipment 40 provided by the embodiments of the present application includes processor 401, memory 402, transceiver 403 and bus system 404。
Wherein, above-mentioned processor 401, memory 402 and transceiver 403 are connected by bus system 404.
Above-mentioned memory 402 is for storing program.Specifically, program may include program code, and program code includes meter Calculation machine operational order.Memory 402 include but is not limited to be random access memory (random access memory, RAM), Read-only memory (read-only memory, ROM), Erasable Programmable Read Only Memory EPROM (erasable programmable Read only memory, EPROM) or portable read-only memory (compact disc read-only memory, CD- ROM).A memory is illustrated only in Figure 19, certainly, memory also can according to need, and be set as multiple.Memory 402 The memory being also possible in processor 401, herein with no restrictions.
Memory 402 stores following element, executable modules or data structures perhaps their subset or Their superset:
Operational order: including various operational orders, for realizing various operations.
Operating system: including various system programs, for realizing various basic businesses and the hardware based task of processing.
Above-mentioned processor 401 controls the operation of communication equipment 40, and processor 401 can be one or more central processing units (central processing unit, CPU), in the case where processor 401 is a CPU, which can be monokaryon CPU is also possible to multi-core CPU.
In specific application, the various components of communication equipment 40 are coupled by bus system 404, wherein total linear system System 404 can also include power bus, control bus and status signal bus in addition etc. in addition to including data/address bus.But in order to For the sake of clear explanation, various buses are all designated as bus system 404 in Figure 19.To be only schematic in Figure 19 convenient for indicating It draws.
The end that above-mentioned Fig. 6, Fig. 7, Fig. 8 provided by the embodiments of the present application or such as Figure 10 or above-mentioned each embodiment disclose The method of end equipment；Perhaps above-mentioned Fig. 6, Fig. 7, Fig. 8 provided by the embodiments of the present application or such as Figure 10 or above-mentioned each embodiment The method of base station can be applied in processor 401, or realized by processor 401.Processor 401 may be a kind of integrated Circuit chip, the processing capacity with signal.During realization, each step of the above method can be by processor 401 Hardware integrated logic circuit or software form instruction complete.Above-mentioned processor 401 can be general processor, number Word signal processor (digital signal processing, DSP), specific integrated circuit (application specific Integrated circuit, ASIC), field programmable gate array (field-programmable gate array, FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware components.May be implemented or Person executes disclosed each method, step and logic diagram in the embodiment of the present application.General processor can be microprocessor or Person's processor is also possible to any conventional processor etc..The step of method in conjunction with disclosed in the embodiment of the present application, can be straight Connect and be presented as that hardware decoding processor executes completion, or in decoding processor hardware and software module combination executed At.Software module can be located at random access memory, and flash memory, read-only memory, programmable read only memory or electrically-erasable can In the storage medium of this fields such as programmable memory, register maturation.The storage medium is located at memory 402, and processor 401 is read Information in access to memory 402 executes Fig. 6, Fig. 7, Fig. 8 in conjunction with its hardware or as Figure 10 or above-mentioned each embodiment are retouched The method and step for the terminal device stated；Perhaps Fig. 6, Fig. 7, Fig. 8 or such as Figure 10 or above-mentioned each implementation are executed in conjunction with its hardware The method and step of base station described in example.
Implementation provided by the embodiments of the present application solves long-range UE and carries out data biography by relaying UE and multiple base stations Defeated technical problem improves the handling capacity of cell, the user experience of improve data transfer by the data transmission of multi-link.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, the process Relevant hardware can be instructed to complete by computer program, which can be stored in computer-readable storage medium, should Program is when being executed, it may include such as the process of above-mentioned each method embodiment.And storage medium above-mentioned includes: ROM or deposits at random Store up the medium of the various program storage codes such as memory body RAM, magnetic or disk.

Claims (58)

1. a kind of data transmission method of multi-link characterized by comprising
Base station determines that increasing trunk subscriber equipment UE and long-range UE carries out data transmission, and presently described long-range UE is via the first relaying UE carries out data transmission with the base station；
The base station sends the instruction message for increasing relaying UE to the long-range UE, and the instruction message for increasing relaying UE is used for Indicate long-range the second relaying of UE discovery UE；
The base station receives the increase relaying UE success message of the long-range UE feedback, and relays UE according to the increase and successfully disappear Breath triggering establishes the data transmission procedure of multi-link with the second relaying UE, to realize the long-range UE via in described second It is transmitted after the data of UE and the base station.
2. the method as described in claim 1, which is characterized in that the base station sends the finger for increasing relaying UE to the long-range UE Show that message includes:
The base station sends the instruction message for increasing relaying UE by the first relaying UE to the long-range UE；
Wherein, the instruction message for increasing relaying UE is by the One-to-one communication between the long-range UE and the first relaying UE Request message or predefined message carry.
3. the method as described in claim 1, which is characterized in that the base station sends the finger for increasing relaying UE to the long-range UE Show that message includes:
The base station issues the instruction message for increasing relaying UE by the link of eating dishes without rice or wine between the long-range UE and the base station；
Wherein, the instruction message for increasing relaying UE is by the radio resource control RRC between the base station and the long-range UE Message or predefined message carry.
4. method as claimed in claim 2 or claim 3, which is characterized in that include second in the instruction message for increasing relaying UE Relay the identification information of UE.
5. method as claimed in claim 4, which is characterized in that include multi-link number in the instruction message for increasing relaying UE According to the demand of transmission, the demand of the multi-link data transmission is used to indicate the long-range UE and sends out multi-link data transfer request It send to the second relaying UE.
6. method as claimed in claim 2 or claim 3, which is characterized in that include multichain in the instruction message for increasing relaying UE Connect the demand of data transmission and the identification information of the base station；
Wherein, the demand of the multi-link data transmission is used to indicate the long-range UE and is sent to multi-link data transfer request Relaying UE to be increased is more to trigger the base station initiation that the relaying UE to be increased is identified to the identification information of the base station Request is established in link.
7. the method according to claim 1, which is characterized in that the base station receives the increasing of the long-range UE feedback Add relaying UE success message include:
The base station receives the long-range UE and relays UE success message by the increase of the first relaying UE feedback.
8. the method for claim 7, which is characterized in that it is characterized in that, being wrapped in increase relaying UE success message Include the identification information of the second relaying UE；
It is described to be transmitted across according to the increase relaying UE success message triggering and the second relaying UE data for establishing multi-link Journey includes:
The base station sends the transmission of multi-link data to the second relaying UE according to the identification information of the second relaying UE and asks It asks, and is established according to the multi-link data transmission response of the second relaying UE feedback and transmitted with the data of the second relaying UE Connection.
9. method according to claim 8, which is characterized in that the method also includes:
The base station sends configuration information to the long-range UE by the first relaying UE or the second relaying UE.
10. method as claimed in claim 9, which is characterized in that the configuration information includes the long-range UE and described second Relay UE between carrying configuration information and it is described carrying configuration information using interface indicate information；
Wherein, the carrying configuration information is used to indicate the carrying configuration information using interface instruction information and is used for described the The interface of two relaying UE, or the interface for the long-range UE.
11. a kind of data transmission method of multi-link characterized by comprising
Remote user equipment UE receives the instruction message for the increase relaying UE that base station is sent, and presently described long-range UE is via in first Carry out data transmission after UE and the base station；
The long-range UE sends to the base station and increases according to instruction message discovery the second relaying UE for increasing relaying UE UE success message is relayed, the increase relaying UE success message establishes multichain for triggering the base station and the second relaying UE The data transmission procedure connect；
The long-range UE receive the configuration information that the base station is sent with realize via the second relaying UE and the base station into The transmission of row data.
12. method as claimed in claim 11, which is characterized in that the long-range UE receives the increase relaying UE's that base station is sent Instruction message, comprising:
The long-range UE receives the base station and passes through the instruction message of the first relaying UE increase relaying UE sent；Or
The long-range UE is received in the increase that the base station is issued by the link of eating dishes without rice or wine between the long-range UE and the base station After the instruction message of UE.
13. method as claimed in claim 12, which is characterized in that include in second in the instruction message for increasing relaying UE After the identification information of UE.
14. method as claimed in claim 12, which is characterized in that described send to the base station increases relaying UE success message Include:
The long-range UE, which is sent by the first relaying UE to the base station, increases relaying UE success message；
Wherein, described increase includes the second identification information for relaying UE in relaying UE success message.
15. a kind of data transmission method of multi-link characterized by comprising
Remote user equipment UE receives the instruction message for the increase relaying UE that base station is sent, and presently described long-range UE is via in first Carry out data transmission after UE and the base station；
The long-range UE relays UE hair to described second according to instruction message discovery the second relaying UE for increasing relaying UE Increase relaying UE success message is sent, the increase relaying UE success message is built for triggering the second relaying UE with the base station The data transmission procedure of vertical multi-link；
The long-range UE receive the configuration information that the base station is sent with realize via the second relaying UE and the base station into The transmission of row data.
16. method as claimed in claim 15, which is characterized in that include in second in the instruction message for increasing relaying UE After the identification information of UE.
17. the method as described in claim 15 or 16, which is characterized in that include multichain in the increase relaying UE success message Connect the demand of data transmission and the identification information of the base station；
Wherein, the demand of the multi-link data transmission is used to indicate second relaying identification information institute of the UE to the base station It initiates multi-link and establishes request in the base station of mark.
18. a kind of data transmission method of multi-link characterized by comprising
Base station determines that increasing the second trunk subscriber equipment UE and long-range UE carries out data transmission, and presently described long-range UE is via first Relaying UE carries out data transmission with the base station；
The base station and the second relaying UE establish connection, and send the transmission of multi-link data to the second relaying UE and ask It asks；
The base station receives the multi-link data transmission response of the second relaying UE feedback, and sends configuration to the long-range UE Information, to realize that the long-range UE is transmitted via the data of the second relaying UE and the base station.
19. method as claimed in claim 18, which is characterized in that the base station receives the multichain of the second relaying UE feedback Data transmission response is connect, and sends configuration information to the long-range UE and includes:
The base station receives the multi-link data transmission response of the second relaying UE feedback, and is passed according to the multi-link data Defeated response creates configuration information corresponding to the carrying information of the second relaying UE；
The base station sends the configuration information to the long-range UE by the first relaying UE or the second relaying UE.
20. a kind of data transmission method of multi-link characterized by comprising
Second trunk subscriber equipment UE and base station are established data transmission and are connected, and the base station is currently via the first relaying UE and long-range Carry out data transmission；
The second relaying UE receives the multi-link data transfer request that the base station is sent, the multi-link data transfer request It is used to indicate the second relaying UE and finds the long-range UE；
The second relaying UE has found the long-range UE according to the multi-link data transfer request；
The second relaying UE and long-range UE establishes data transmission and connects, and sends the transmission of multi-link data to the base station Response, the multi-link data transmission response is for notifying the second relaying UE and the long-range UE communication described in the base station to establish Success.
21. method as claimed in claim 20, which is characterized in that the method also includes:
The second relaying UE receives the configuration information that the base station is sent, and forwards the configuration information to the long-range UE.
22. a kind of data transmission method of multi-link characterized by comprising
Remote user equipment UE discovery the second relaying UE, and the determining and described second relaying UE establishes data transmission and connects, currently The long-range UE carries out data transmission via the first relaying UE with base station；
The long-range UE sends multi-link data transfer request, the multi-link number to the base station by the second relaying UE According to transmission request for requesting the second relaying UE and the base station to establish the data transmission link to the long-range UE；
The long-range UE receives the multi-link data transmission response that the base station is sent, and the multi-link data transmission response is used for Notify base station described in the long-range UE is established by the data transmission link of the second relaying UE to the long-range UE to complete.
23. method as claimed in claim 22, which is characterized in that include the base station in the multi-link data transmission response Be sent to the configuration information of the long-range UE, the long-range UE according to the configuration information realize via the second relaying UE with The base station carries out data transmission.
24. the method as described in claim 22 or 23, which is characterized in that the long-range UE sends multi-link number to the base station Include: according to transmission request
The long-range UE sends multi-link data transfer request to the second relaying UE, to relay UE to institute by described second State base station forwarding multi-link data transfer request；
It wherein, include the identification information of the base station in the multi-link data transfer request, the identification information of the base station is used The multi-link data transfer request is forwarded to the base station in triggering the second relaying UE.
25. the method as described in claim 22 or 23, which is characterized in that the long-range UE sends multi-link number to the base station Include: according to transmission request
The long-range UE forwards multi-link data transfer request to the base station by the first relaying UE；
Wherein, the identification information of the second relaying UE is carried in the multi-link data transfer request.
26. a kind of data transmission method of multi-link characterized by comprising
First base station receives the instruction for the multi-link data transfer request that trunk subscriber equipment UE is sent, presently described first base station Carry out data transmission via the relaying UE and long-range UE, the instruction of the multi-link data transfer request is used to indicate described The data transmission link by the relaying UE to the long-range UE is established in one base station and the second base station；
The first base station determines the second base station of addition according to the instruction of the multi-link data transfer request, and to described second Base station sends multi-link data transfer request, and the multi-link data transfer request is to be shunted for requesting second base station Carrying distributing radio resource；
The first base station receives the multi-link data transmission response of second base station feedback, and the multi-link data transmission is rung Applied to notifying the radio resource allocation of carrying to be shunted described in the first base station to complete；
The first base station sends the instruction that multi-link data are transmitted to the relaying UE, and the multi-link data transfer At instruction for notify it is described relaying UE multi-link data transmission link establish complete, with realize second base station via The relaying UE carries out data transmission with the long-range UE.
27. the method as described in right wants 26, which is characterized in that carry second in the instruction of the multi-link data transfer request The instruction information of the candidate base station of base station, the first base station determine the second base station according to the instruction information of the candidate base station.
28. a kind of data transmission method of multi-link characterized by comprising
Trunk subscriber equipment UE sends the instruction of multi-link data transfer request, the multi-link to the first base station currently connected The instruction information of candidate base station is carried in the instruction of data transfer request, the first base station is via the relaying UE and long-range UE Carry out data transmission；
The relaying UE receives the instruction that the multi-link data that the first base station is sent are transmitted, and according to the multi-link The instruction that data are transmitted is established to be transmitted with the data of the second base station of first base station selection.
29. method as claimed in claim 28, which is characterized in that include at least one in the instruction information of the candidate base station The identification information of candidate base station；
The method also includes:
The relaying UE obtains the identification information of at least one candidate base station by measurement, and according at least one described candidate base The identification information stood determines the instruction information of candidate base station；
Wherein, the identification information includes the identification information of cell locating for the identification information and candidate base station of candidate base station.
30. a kind of base station characterized by comprising
Processor, for determine increase trunk subscriber equipment UE and long-range UE carry out data transmission, presently described long-range UE via First relaying UE carries out data transmission with base station；
Transceiver, for sending the instruction message for increasing relaying UE, the instruction message for increasing relaying UE to the long-range UE It is used to indicate long-range the second relaying of UE discovery UE；
The transceiver is also used to receive the increase relaying UE success message of the long-range UE feedback；
The processor is also used to according to the received increase relaying UE success message triggering of the transceiver and described second Relaying UE establishes the data transmission procedure of multi-link, to realize the long-range UE via the second relaying UE and the base station Data transmission.
31. base station as claimed in claim 30, which is characterized in that the transceiver is used for:
The instruction message for increasing relaying UE is sent to the long-range UE by the first relaying UE；
Wherein, the instruction message for increasing relaying UE is by the One-to-one communication between the long-range UE and the first relaying UE Request message or predefined message carry.
32. base station as claimed in claim 30, which is characterized in that the transceiver is used for:
The instruction message for increasing relaying UE is issued by the link of eating dishes without rice or wine between the long-range UE and the base station；
Wherein, the instruction message for increasing relaying UE is by the radio resource control RRC between the base station and the long-range UE Message or predefined message carry.
33. the base station as described in claim 31 or 32, which is characterized in that include the in the instruction message for increasing relaying UE The identification information of two relaying UE.
34. base station as claimed in claim 33, which is characterized in that include multi-link in the instruction message for increasing relaying UE The demand of the demand of data transmission, the multi-link data transmission is used to indicate the long-range UE for multi-link data transfer request It is sent to the second relaying UE.
35. the base station as described in claim 31 or 32, which is characterized in that include more in the instruction message for increasing relaying UE Link the demand of data transmission and the identification information of the base station；
Wherein, the demand of the multi-link data transmission is used to indicate the long-range UE and is sent to multi-link data transfer request Relaying UE to be increased is more to trigger the base station initiation that the relaying UE to be increased is identified to the identification information of the base station Request is established in link.
36. such as the described in any item base stations claim 30-32, which is characterized in that the transceiver is used for:
It receives the long-range UE and UE success message is relayed by the increase of the first relaying UE feedback.
37. base station as claimed in claim 36, which is characterized in that include the second relaying in the increase relaying UE success message The identification information of UE；
The transceiver, for sending multi-link data to the second relaying UE according to the identification information of the second relaying UE Transmission request；
The processor, in the multi-link data transmission response foundation and described second according to the second relaying UE feedback Data after UE transmit connection.
38. base station as claimed in claim 37, which is characterized in that the transceiver is also used to:
Configuration information is sent to the long-range UE by the first relaying UE or the second relaying UE.
39. base station as claimed in claim 38, which is characterized in that the configuration information includes the long-range UE and described second Relay UE between carrying configuration information and it is described carrying configuration information using interface indicate information；
Wherein, the carrying configuration information is used to indicate the carrying configuration information using interface instruction information and is used for described the The interface of two relaying UE, or the interface for the long-range UE.
40. a kind of terminal device, which is characterized in that the terminal device is remote user equipment UE, comprising:
Transceiver, the instruction message of the increase relaying UE for receiving base station transmission, presently described long-range UE is via the first relaying UE carries out data transmission with the base station；
Processor, for according to received the second relaying of the instruction message discovery UE for increasing relaying UE of the transceiver；
The transceiver is also used to after the processor finds the second relaying UE, is sent in increasing to the base station After UE success message, the increase relaying UE success message establishes multi-link for triggering the base station and the second relaying UE Data transmission procedure；
The transceiver, be also used to receive the configuration information that the base station is sent with realize via the second relaying UE with it is described Base station carries out data transmission.
41. terminal device as claimed in claim 40, which is characterized in that the transceiver is used for
It receives the base station and passes through the instruction message of the first relaying UE increase relaying UE sent；Or
Receive the instruction for the increase relaying UE that the base station is issued by the link of eating dishes without rice or wine between the long-range UE and the base station Message.
42. terminal device as claimed in claim 41, which is characterized in that include the in the instruction message for increasing relaying UE The identification information of two relaying UE.
43. terminal device as claimed in claim 40, which is characterized in that the transceiver is used for:
It is sent by the first relaying UE to the base station and increases relaying UE success message；
Wherein, described increase includes the second identification information for relaying UE in relaying UE success message.
44. a kind of terminal device, which is characterized in that the terminal device is remote user equipment UE, comprising:
Transceiver, the instruction message of the increase relaying UE for receiving base station transmission, presently described long-range UE is via the first relaying UE carries out data transmission with the base station；
Processor, for according to received the second relaying of the instruction message discovery UE for increasing relaying UE of the transceiver；
The transceiver is also used to after the processor finds the second relaying UE, is sent to the second relaying UE Increase relaying UE success message, the increase relaying UE success message is established for triggering the second relaying UE and the base station The data transmission procedure of multi-link；
The transceiver, be also used to receive the configuration information that the base station is sent with realize via the second relaying UE with it is described Base station carries out data transmission.
45. terminal device as claimed in claim 40, which is characterized in that include the in the instruction message for increasing relaying UE The identification information of two relaying UE.
46. terminal device as claimed in claim 40, which is characterized in that include multichain in the increase relaying UE success message Connect the demand of data transmission and the identification information of the base station；
Wherein, the demand of the multi-link data transmission is used to indicate second relaying identification information institute of the UE to the base station It initiates multi-link and establishes request in the base station of mark.
47. a kind of base station characterized by comprising
Processor, for determining that increasing the second trunk subscriber equipment UE and long-range UE carries out data transmission, presently described long-range UE Carry out data transmission via the first relaying UE with the base station；
The processor is also used to establish connection with the second relaying UE；
Transceiver, for sending multi-link data transfer request to the second relaying UE；
The transceiver, is also used to receive the multi-link data transmission response of the second relaying UE feedback, and to described long-range UE sends configuration information, to realize that the long-range UE is transmitted via the data of the second relaying UE and the base station.
48. base station as claimed in claim 47, which is characterized in that the processor is also used to:
According to the multi-link data transmission response, match corresponding to the carrying information for creating the second relaying UE Confidence breath；
The transceiver, for being matched by the first relaying UE or second relaying UE to described in the long-range UE transmission Confidence breath.
49. a kind of terminal device, which is characterized in that the terminal device is the second trunk subscriber equipment UE, comprising:
Processor is connected for establishing data transmission with base station, and the base station currently relays UE and remotely counted via first According to transmission；
Transceiver, the multi-link data transfer request sent for receiving the base station, the multi-link data transfer request are used The long-range UE is found in instruction the second relaying UE；
The processor is also used to find the long-range UE according to the multi-link data transfer request；
The processor is also used to establish data transmission connection with the long-range UE；
The transceiver is also used to send multi-link data transmission response, the multi-link data transmission response to the base station For notifying the second relaying UE described in the base station to be successfully established with the long-range UE communication.
50. terminal device as claimed in claim 49, which is characterized in that the transceiver is also used to:
The configuration information that the base station is sent is received, and forwards the configuration information to the long-range UE.
51. a kind of terminal device, which is characterized in that the terminal device is remote user equipment UE, comprising:
Processor, for finding the second relaying UE, and the determining and described second relaying UE establishes data transmission and connects, presently described Long-range UE carries out data transmission via the first relaying UE with base station；
Transceiver, for sending multi-link data transfer request, the multi-link to the base station by the second relaying UE The data transmission link that data transfer request is used to that the second relaying UE and the base station to be requested to establish to the long-range UE；
The transceiver is also used to receive the multi-link data transmission response that the base station is sent, the multi-link data transmission Response is for notifying base station described in the long-range UE to build by the second relaying UE to the data transmission link of the long-range UE It is vertical to complete.
52. terminal device as claimed in claim 51, which is characterized in that include described in the multi-link data transmission response Base station is sent to the configuration information of the long-range UE, and the long-range UE is realized according to the configuration information via second relaying UE carries out data transmission with the base station.
53. the terminal device as described in claim 51 or 52, which is characterized in that the transceiver is used for:
Multi-link data transfer request is sent to the second relaying UE, to forward by the second relaying UE to the base station Multi-link data transfer request；
It wherein, include the identification information of the base station in the multi-link data transfer request, the identification information of the base station is used The multi-link data transfer request is forwarded to the base station in triggering the second relaying UE.
54. the terminal device as described in claim 51 or 52, which is characterized in that the transceiver is used for:
Multi-link data transfer request is forwarded to the base station by the first relaying UE；
Wherein, the identification information of the second relaying UE is carried in the multi-link data transfer request.
55. a kind of base station, which is characterized in that the base station is first base station, comprising:
Transceiver, the instruction of the multi-link data transfer request for receiving trunk subscriber equipment UE transmission, presently described first Base station carries out data transmission via the relaying UE and long-range UE, and the instruction of the multi-link data transfer request is used to indicate institute It states first base station and the second base station is established through the data transmission link for relaying UE to the long-range UE；
Processor, for determining the second base station of addition according to the instruction of the multi-link data transfer request；
The transceiver is also used to send multi-link data transfer request, the multi-link data transmission to second base station Request is carrying distributing radio resource to be shunted for requesting second base station；
The transceiver is also used to receive the multi-link data transmission response of second base station feedback, the multi-link data Transmission response is for notifying the radio resource allocation of carrying to be shunted described in the first base station to complete；
The transceiver is also used to send the instruction that multi-link data are transmitted, the multi-link data to the relaying UE The instruction being transmitted is completed for notifying the data transmission link of the relaying UE multi-link to establish, to realize second base It stands and carries out data transmission via the relaying UE and the long-range UE.
56. base station as claimed in claim 55, which is characterized in that carry in the instruction of the multi-link data transfer request The instruction information of the candidate base station of two base stations, the first base station determine the second base according to the instruction information of the candidate base station It stands.
57. a kind of terminal device, which is characterized in that the terminal device is trunk subscriber equipment UE, comprising:
Transceiver, for sending the instruction of multi-link data transfer request, the multi-link number to the first base station currently connected According to the instruction information for carrying candidate base station in the instruction of transmission request, the first base station via the relaying UE and long-range UE into The transmission of row data；
The transceiver is also used to receive the instruction that the multi-link data that the first base station is sent are transmitted；
Processor, the instruction for being transmitted according to the received multi-link data of the transceiver are established and described first The data of the second base station selected base station are transmitted.
58. terminal device as claimed in claim 57, which is characterized in that include at least in the instruction information of the candidate base station The identification information of one candidate base station；
The processor is also used to:
The identification information of at least one candidate base station is obtained by measurement, and is believed according to the mark of at least one candidate base station Cease the instruction information for determining candidate base station；
Wherein, the identification information includes the identification information of cell locating for the identification information and candidate base station of candidate base station.
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