WO2017117930A1

WO2017117930A1 - Data transmission configuration method, base station and user terminal

Info

Publication number: WO2017117930A1
Application number: PCT/CN2016/087748
Authority: WO
Inventors: 雷艺学; 张云飞
Original assignee: 宇龙计算机通信科技(深圳)有限公司
Priority date: 2016-01-08
Filing date: 2016-06-29
Publication date: 2017-07-13
Also published as: CN105611642A

Abstract

Disclosed in an embodiment of the present invention is a data transmission configuration method, comprising: a base station receives a device identifier of a relay user equipment selected by a remote user equipment; the base station transmits first configuration information to the remote user equipment; wherein, the first configuration information is used to configure an AS parameter of the remote user equipment; and the base station transmits second configuration information to the relay user equipment according to the device identifier. The embodiment of the present invention also discloses a base station and user equipment. The present invention can provide favorable throughput and reliability of data transmission between the user equipment and the base station.

Description

Configuration method of data transmission, base station and user terminal

Technical field

The present invention relates to the field of communications, and in particular, to a data transmission configuration method, a base station, and a user terminal.

Background technique

D2D (Device to Device, D2D for short) communication is a technology for direct communication between user devices, allowing two user devices to communicate with each other without going through the uplink and downlink between the base station and the device. D2D relay communication is a communication method based on D2D communication technology. The D2D relay communication system includes a remote user equipment and a relay user equipment. The remote user equipment may be located outside the network coverage of the macro cell. It may be located within the coverage of the macro cell, and the relay user equipment is generally located within the coverage of the macro cell. The relay user equipment may establish an RRC (Radio Resource Control, Radio Resource Control, RRC for short) connection with the base station in the macro cell, and the base station may configure the D2D communication resource for the relay user equipment, and if the remote user equipment is not in the macro cell, The pre-configured resource is used to communicate with the relay user equipment.

Based on the existing D2D relay communication mode, the remote user equipment and the base station have only one communication link before, and the PDN connection is terminated in the relay UE. When a large amount of data needs to be transmitted between the remote user equipment and the base station, there is a bottleneck of insufficient throughput. When the communication link fails, the remote user equipment cannot communicate with the base station normally, and the reliability is not high.

Summary of the invention

The technical problem to be solved by the embodiments of the present invention is to provide a data transmission configuration method, a base station, and a user terminal. The problem of low data transmission throughput and low reliability in the prior art can be solved.

In order to solve the above technical problem, an embodiment of the present invention provides a data transmission configuration method, including:

Receiving, by the base station, a device identifier of the relay user equipment selected by the remote user equipment;

The base station sends the first configuration information to the remote user equipment, where the first configuration information is used to configure an AS (Access Stratum) layer parameter of the remote user equipment, and the AS of the remote user equipment The layer parameter includes: a ratio value or an absolute value of the data amount respectively assumed by the first radio bearer and the second radio bearer, and mapping information of the first radio bearer and the second radio bearer and the PDN connection, The first radio bearer is composed of a D2D bearer between the remote user equipment and the relay user equipment, and the relay bearer between the relay user equipment and the base station, the second wireless The bearer is composed of a Uu bearer between the remote user equipment and the base station;

Sending, by the base station, the second configuration information to the relay user equipment according to the device identifier, where the second configuration information is used to configure an AS layer parameter of the relay user equipment, where the relay user equipment The AS layer parameter includes: the D2D bearer and mapping information of the relay bearer and the first radio bearer.

Correspondingly, an embodiment of the present invention provides a data transmission configuration method, including:

The remote user equipment establishes a PDN connection.

When the remote user equipment determines that the base station supports the link aggregation capability, the user equipment that supports the link aggregation capability is selected as the relay user equipment from the user equipments managed by the base station;

The remote user equipment notifies the base station of the device identifier of the relay user equipment;

The remote user equipment receives the first configuration information sent by the base station, where the first configuration information is used to configure an AS parameter of the remote user equipment, and the AS parameters of the remote user equipment include: a ratio or an absolute value of the amount of data that the radio bearer and the second radio bearer each bear, and mapping information of the first radio bearer and the second radio bearer and the PDN connection, where the first radio bearer is a D2D bearer between the remote user equipment and the relay user equipment, and the relay bearer between the relay user equipment and the base station, where the second radio bearer is from the far The Uu bearer between the end user equipment and the base station is composed.

Embodiments of the present invention have the following beneficial effects:

The base station configures the AS layer for the remote user equipment and the relay user equipment. After the configuration is completed, when the service data needs to be transmitted between the remote user equipment and the base station, the first radio bearer and the second radio bearer connected by the PDN can be connected. Transmission of service data can effectively improve transmission throughput and reliability compared to existing single radio bearer transmission methods.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any creative work.

1 is a schematic structural diagram of a data transmission system according to an embodiment of the present invention;

2 is a schematic flowchart of a method for configuring data transmission according to an embodiment of the present invention;

3 is another schematic flowchart of a method for configuring data transmission according to an embodiment of the present invention;

4 is a schematic diagram of interaction of a data transmission configuration method according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a base station according to an embodiment of the present disclosure;

FIG. 6 is a schematic structural diagram of a user equipment according to an embodiment of the present disclosure;

FIG. 7 is another schematic structural diagram of a base station according to an embodiment of the present disclosure;

FIG. 8 is another schematic structural diagram of a user equipment according to an embodiment of the present invention.

detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

The terms "first", "second" and "third" and the like in the specification and claims of the present invention and the above drawings are used to distinguish different objects, and are not intended to describe a specific order. Moreover, the term "comprise" and any variants thereof are intended to cover a non-exclusive inclusion. For example, a process, method, system, product, or device that comprises a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units not listed, or alternatively Other steps or units inherent to these processes, methods, products or equipment.

FIG. 1 is a schematic structural diagram of a data transmission system according to an embodiment of the present invention. In the embodiment of the present invention, a data transmission system includes: a remote user equipment 10, a relay user equipment 11, and a base station 12, and a remote user. Both the device 10 and the relay user equipment 11 are within the network coverage of the base station 12. When the remote user equipment 10 needs to transmit data, the remote user equipment 10 sends a PDN to the network layer (Public Data). The network, the public data network (PDN) gateway sends a PDN connection request, the PDN gateway receives the PDN connection request, establishes a PDN connection with the remote user equipment 10, and the base station 12 broadcasts a message indicating that it supports the link aggregation capability, and the message includes The remote user equipment 10 receives the message, determines that the base station 12 supports the link aggregation capability, and then the remote user equipment 10 needs to determine the relay user equipment, not limited to the SIB (System Information Block, SIB) message or the RRC message. Whether the link aggregation capability is supported, the method may be: the message broadcasted by the base station 12 carries the device identifier of the user equipment supporting the link aggregation capability, and the remote user equipment determines which users of the user equipment managed by the base station 12 according to the device identifier. The device supports the link aggregation capability. Only the user equipment supporting the link aggregation capability can be used as the relay user equipment in the embodiment of the present invention. Alternatively, the remote user equipment 10 determines whether the user equipment supports the user equipment from the messages broadcast by other user equipments. Link aggregation capability. The remote user equipment 10 selects a user equipment supporting the link aggregation capability from the plurality of user equipments managed by the base station 12 as the relay user equipment, and the remote user equipment 10 notifies the base station 12 of the equipment identifier of the selected user equipment, and the base station 12 It is known that the user equipment corresponding to the device identifier is a relay user equipment. The aggregation capability indicates that data can be transmitted through two radio bearers, that is, the first radio bearer of the relay and the second radio bearer of the direct transmission, and the D2D bearer is established between the remote user equipment 10 and the relay user equipment 11, and the user is relayed. A relay bearer is established between the device 11 and the base station 12. The first radio bearer is composed of a D2D bearer and a relay bearer. The UU bearer is established between the remote user equipment 10 and the base station 12. The Uu bearer is the second radio bearer.

The base station 12 sends the first configuration information to the remote user equipment 10, where the first configuration information is used to configure the AS (Access Stratum, Access Layer, AS for short) parameters of the remote user equipment 10, including: the first radio bearer and the second The ratio of the amount of data that the radio bearers bear to each other, the absolute value indicating the amount of data actually carried by the first radio bearer and the second radio bearer, and the mapping information of the first radio bearer and the second radio bearer and the PDN connection, When the first configuration information indicates that the remote user equipment 10 needs to send data, the first radio bearer and the second radio bearer connected by the same PDN send service data to the base station 12, and allocate the service data to be sent according to the foregoing ratio. A radio bearer and a second radio bearer.

The base station 12 sends the second configuration information to the relay user equipment 11, and the second configuration information is used to configure the AS parameters of the relay user equipment, including: mapping information of the D2D bearer and the relay bearer and the first radio bearer, and second configuration information. The relay user equipment is instructed to establish a binding relationship between the D2D bearer and the relay bearer and the first radio bearer according to the mapping information.

It can be seen from the foregoing embodiment that the base station configures the AS layer for the remote user equipment and the relay user equipment. After the configuration is completed, when the service data needs to be transmitted between the remote user equipment and the base station, the PDN connection may be associated. A radio bearer and a second radio bearer transmit service data, which can effectively improve the transmission throughput and reliability compared with the existing single radio bearer transmission mode.

FIG. 1 is a schematic flowchart of a method for configuring data transmission according to an embodiment of the present invention. In the embodiment of the present invention, the method includes:

S201. The base station receives the device identifier of the relay user equipment selected by the remote user equipment.

Specifically, the remote user equipment selects one user equipment from the plurality of user equipments managed by the base station as the relay user equipment, and notifies the base station of the relay user equipment, and the base station receives the remote user equipment. Following the device identification of the user device.

It should be noted that the remote user equipment establishes a PDN connection with the PDN network element on the network side in advance, and the PDN connection is used to transmit service data between the remote user equipment and the PDN network element.

S202. The base station sends the first configuration information to the remote user equipment. The first configuration information is used to configure the AS parameter of the remote user equipment, and the AS parameters of the remote user equipment include: the first radio bearer and the second radio bearer respectively. a ratio value or an absolute value of the amount of data to be carried, and mapping information of the first radio bearer and the second radio bearer and the PDN connection, where the first radio bearer is carried by the D2D between the remote user equipment and the relay user equipment, and A relay bearer is formed between the user equipment and the base station, and the second radio bearer is composed of a Uu bearer between the remote user equipment and the base station.

Specifically, the base station sends the first configuration information to the remote user equipment, where the first configuration information is used to configure the AS parameter of the remote user equipment, where the AS parameter includes: the amount of data that the first radio bearer and the second radio bearer respectively bear. a proportional value or an absolute value, a mapping relationship between the first radio bearer and the second radio bearer and the PDN connection, where the first radio bearer is a first radio bearer (ie, a D2D bearer) between the remote user equipment and the relay user equipment, and The relay bearer (that is, the Uu bearer) is configured between the user equipment and the base station, and the second radio bearer is the Uu bearer between the remote user equipment and the base station. After receiving the first configuration information, the remote user equipment establishes a binding relationship between the first radio bearer and the second radio bearer and the PDN connection, and allocates a proportional value or an absolute value of the data amount of the first radio bearer and the second radio bearer respectively. value.

The AS parameter further includes: a layer identifier and a transmission mode of the remote user equipment aggregation process, where the layer identifier indicates that the remote user equipment performs aggregation processing at the PDCP layer or the RCL layer, and the aggregation process indicates that the remote user equipment passes the first radio bearer and The second radio bearer performs a merge operation on receiving the traffic flow from the base station To perform aggregation processing according to different layers, configure different transmission modes, such as RLC AM, UM, or TM.

S203. The base station sends the second configuration information to the relay user equipment according to the device identifier. The second configuration information is used to configure the AS parameter of the relay user equipment, and the AS parameters of the relay user equipment include: the D2D bearer and the relay bearer. Mapping information of the first radio bearer.

Specifically, the base station sends the second configuration information to the relay user equipment, where the second configuration information is used to configure the AS parameter of the relay user equipment, where the AS parameter includes mapping information of the D2D bearer and the relay bearer and the first radio bearer. After the user equipment receives the second configuration information, the binding relationship between the D2D bearer and the relay bearer and the first radio bearer is established.

Optionally, in some embodiments of the present invention, the method further includes:

When the base station detects that the first radio bearer or the second radio bearer fails, the base station releases the failed radio bearer; or

The base station detects that the PDN connection needs to be removed, and releases the first radio bearer and the second radio bearer.

Specifically, when the base station detects that the first radio bearer or the second radio bearer fails, the base station releases the failed radio bearer, and only applies normal radio bearer transmission service data to provide transmission reliability. When the base station detects that the PDN connection needs to be removed, the PDN connection is associated with the first radio bearer and the second radio bearer, and the resources occupied by the first radio bearer and the second radio bearer need to be released.

The base station broadcasts a message carrying a first indicator bit, where the first indicator bit is used to indicate that the base station supports link aggregation capability; or

The base station broadcasts a message carrying a second indicator bit, where the second indicator bit is used to indicate that the relay user equipment supports link aggregation capability.

The relay user equipment may also broadcast a message indicating that the link aggregation capability is supported by the remote user equipment.

FIG. 3 is a schematic flowchart of another method for configuring data transmission according to an embodiment of the present invention. In the embodiment of the present invention, the method includes:

S301. The remote user equipment establishes a PDN connection.

Specifically, the remote user equipment initiates a PDN connection request to the PDN gateway, and the PDN network element receives the PDN connection request, and establishes a PDN connection with the remote user equipment, where the PDN connection is used to transmit user data.

S302: When the remote user equipment determines that the base station supports the link aggregation capability, the user equipment that supports the link aggregation capability is selected as the relay user equipment from the user equipments managed by the base station.

Specifically, the remote user equipment selects one user equipment from the plurality of user equipments managed by the base station as the relay user equipment, and notifies the base station of the equipment standard of the relay user equipment, and the base station receives the information sent by the remote user equipment. Following the device identification of the user device.

S303. The remote user equipment notifies the base station of the device identifier of the relay user equipment.

Specifically, when the remote user equipment determines that the base station supports the link aggregation capability, the remote user equipment selects one user equipment from the multiple user equipments managed by the base station as the relay user equipment, and identifies the equipment identifier of the relay user equipment. The base station is notified, and the base station receives the device identifier of the relay user equipment sent by the remote user equipment.

S304: The remote user equipment receives the first configuration information sent by the base station, where the first configuration information is used to configure the AS parameter of the remote user equipment, and the AS parameters of the remote user equipment include: the first radio bearer and the second radio bearer. a proportional value or an absolute value of the amount of data respectively assumed, and mapping information of the first radio bearer and the second radio bearer and the PDN connection, the first radio bearer being carried by the D2D between the remote user equipment and the relay user equipment, and The relay bearer is composed of a relay bearer between the user equipment and the base station, and the second radio bearer is composed of a Uu bearer between the remote user equipment and the base station.

The AS parameter further includes: a layer identifier and a transmission mode of the remote user equipment aggregation process, where the layer identifier indicates that the remote user equipment performs aggregation processing at the PDCP layer or the RCL layer, and the aggregation process indicates that the remote user equipment passes the first radio bearer and The second radio bearer performs a combining operation on receiving the service flow from the base station, performs aggregation processing according to different layers, and configures different transmission modes, for example, RLC AM, UM, or TM.

The relay user equipment receives second configuration information that is sent by the base station according to the device identifier, where the second configuration information is used to configure an AS parameter of the relay user equipment, and an AS parameter of the relay user equipment. And including: the D2D bearer and mapping information of the relay bearer and the first radio bearer.

Optionally, when the remote user equipment determines that the base station supports the link aggregation capability, the user equipment that supports the link aggregation capability from the user equipment managed by the base station, as the relay user equipment, includes:

Receiving, by the remote user equipment, a message carrying an indication bit broadcast by the base station, and determining, according to the indication bit, that the base station supports a link aggregation capability;

The remote user equipment selects a user equipment with the best link quality and supports link aggregation capability from the user equipment managed by the base station as the relay user equipment.

Optionally, the method further includes:

When the remote user equipment detects that the throughput of the D2D bearer is less than a preset value, reducing the amount of data carried on the D2D bearer; or

When the remote user equipment detects that the available bandwidth of the relay bearer is less than a preset value, increasing the amount of data carried by the second radio bearer; or

When the remote user equipment detects that the throughput of the second radio bearer is less than a preset value, the amount of data carried on the D2D bearer is increased.

FIG. 4 is a schematic diagram of interaction of a data transmission configuration method according to an embodiment of the present invention. In the embodiment of the present invention, the method includes:

S401. The remote user equipment establishes a PDN connection.

S402. The base station broadcasts a message indicating that the base station supports the link aggregation capability to the remote user equipment, and the remote user equipment learns, according to the message, that the base station supports the link aggregation capability.

S403. The relay user equipment broadcasts a message indicating that the relay user equipment supports the link aggregation capability to the remote user equipment, and the remote user equipment learns, according to the message, that the relay user equipment supports the link aggregation capability. The relay user equipment and the remote user equipment are all within the network coverage of the base station.

S404. The remote user equipment selects a relay user equipment.

S405. The remote user equipment notifies the base station of the selection result, and the base station learns the relay user equipment selected by the remote user equipment.

S406. The base station sends the first configuration information to the remote user equipment.

S407. The remote user equipment establishes a binding relationship between the first radio bearer and the second radio bearer and the PDN connection according to the first configuration information, and the remote user equipment configures according to the proportion value in the first configuration information in the sending process. The amount of data each bears by a radio bearer and a second radio bearer.

S408. The base station sends the second configuration information to the relay user equipment.

S409. The relay user equipment establishes a binding relationship between the D2D bearer and the relay bearer and the first radio bearer.

FIG. 5 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention. The base station used in the embodiment of the present invention is configured to perform a data transmission configuration method in FIG. 2, and the terminology and process involved may refer to FIG. 2 . Description of the embodiments. The base station 50 includes a device identifier receiving module 501, a first configuration module 502, and a second configuration module 503.

The device identifier receiving module 501 is configured to receive a device identifier of the relay user equipment selected by the remote user equipment.

The first configuration module 502 is configured to send the first configuration information to the remote user equipment, where the first configuration information is used to configure an AS parameter of the remote user equipment, and the AS of the remote user equipment The parameter includes: a ratio value or an absolute value of the data amount respectively assumed by the first radio bearer and the second radio bearer, and mapping information of the first radio bearer and the second radio bearer and the PDN connection, The first radio bearer is composed of a D2D bearer between the remote user equipment and the relay user equipment, and the relay bearer between the relay user equipment and the base station, where the The second radio bearer is composed of a Uu bearer between the remote user equipment and the base station.

The second configuration module 503 is configured to send the second configuration information to the relay user equipment according to the device identifier, where the second configuration information is used to configure an AS parameter of the relay user equipment, where The AS parameters of the user equipment include: the D2D bearer and mapping information of the relay bearer and the first radio bearer.

The embodiment of the present invention and the method embodiment of FIG. 2 are based on the same concept, and the technical effects thereof are also the same. For the specific process, reference may be made to the description of the method embodiment 1, and details are not described herein again.

Optionally, the base station 50 further includes:

a detecting module, configured to detect, when the first radio bearer or the second radio bearer fails, release the failed radio bearer; or

The PDN connection is detected to be removed, and the first radio bearer and the second radio bearer are released.

Further optionally, the base station 50 further includes:

An indication module, configured to broadcast a message carrying a first indicator bit, where the first indicator bit is used to indicate that the base station supports link aggregation capability; or

The message carrying the second indicator bit is broadcasted; wherein the second indicator bit is used to indicate that the relay user equipment supports link aggregation capability.

FIG. 6 is a schematic structural diagram of a user equipment according to an embodiment of the present invention. The user equipment used in the embodiment of the present invention is configured to perform a data transmission configuration method in FIG. 3, and the terminology and process involved may refer to the figure. For the description of the embodiment, the user equipment 60 includes an initiating module 601, a selecting module 602, a notification 603, and a configuration information receiving module 604.

A module 601 is created for establishing a PDN connection.

The selecting module 602 is configured to: when the base station supports the link aggregation capability, select a user equipment that supports the link aggregation capability from the user equipment managed by the base station as the relay user equipment.

The notification module 603 is configured to notify the base station of the device identifier of the relay user equipment by the user equipment.

The configuration information receiving module 604 is configured to receive the first configuration information that is sent by the base station, where the first configuration information is used to configure an AS parameter of the user equipment, and the AS parameter of the user equipment includes: a first wireless a ratio or absolute value of the amount of data carried by the bearer and the second radio bearer, and mapping information of the first radio bearer and the second radio bearer and the PDN connection, where the first radio bearer is a D2D bearer between the user equipment and the relay user equipment, and the relay bearer between the relay user equipment and the base station, where the second radio bearer is used by the user equipment The Uu bearer composition between the base stations.

Optionally, the selection module 602 includes:

a receiving unit, configured to receive a message carrying the indication bit broadcast by the base station, and determine, according to the indication bit, that the base station supports a link aggregation capability;

And a selecting unit, configured to select, from the user equipment managed by the base station, a user equipment with the best link quality and supporting link aggregation capability as the relay user equipment.

Further optionally, the user equipment further includes:

An adjustment module, configured to reduce the amount of data carried on the D2D bearer when the throughput of the D2D bearer is less than a preset value; or

When the available bandwidth of the relay bearer is less than a preset value, the amount of data carried on the second radio bearer is increased; or

When the throughput of the second radio bearer is less than a preset value, the amount of data carried on the D2D bearer is increased.

FIG. 7 is a schematic structural diagram of another base station according to an embodiment of the present invention. In the embodiment of the present invention, the base station 7 includes a processor 701, a memory 702, and a transceiver 703. The transceiver 703 is configured to transmit and receive data with and from an external device. The number of processors 701 in the base station 7 may be one or more. In some embodiments of the invention, processor 701, memory 702, and transceiver 703 may be coupled by a bus system or other means. The base station 7 can be used to perform the method shown in FIG. For the meaning and examples of the terms involved in the embodiment, reference may be made to the corresponding embodiment of FIG. 2. I will not repeat them here.

The program code is stored in the memory 702. The processor 701 is configured to call program code stored in the memory 702 for performing the following operations:

Receiving a device identifier of the relay user equipment selected by the remote user equipment;

Sending the first configuration information to the remote user equipment, where the first configuration information is used to configure an AS parameter of the remote user equipment, and the AS parameters of the remote user equipment include: a first radio bearer and a ratio or an absolute value of the amount of data that the second radio bearer bears, and mapping information of the first radio bearer and the second radio bearer and the PDN connection, where the first radio bearer is from the far end a D2D bearer between the user equipment and the relay user equipment, and the relay bearer between the relay user equipment and the base station, where the second radio bearer is used by the remote user equipment a Uu bearer composition between the base stations;

Sending the second configuration information to the relay user equipment according to the device identifier, where the second configuration information is used to configure an AS parameter of the relay user equipment, where the AS parameters of the relay user equipment include: And mapping the D2D bearer and the relay bearer with the first radio bearer.

In some embodiments of the present invention, the processor 701 is further configured to:

And detecting, when the first radio bearer or the second radio bearer fails, releasing the failed radio bearer; or

Broadcasting a message carrying a first indicator bit, wherein the first indicator bit is used to indicate that the base station supports link aggregation capability; or

FIG. 8 is a schematic diagram of another structure of a user equipment according to an embodiment of the present invention. In the embodiment of the present invention, the user equipment 8 includes a processor 801, a memory 802, and a transceiver 803. The transceiver 803 is configured to transmit and receive data with and from an external device. The number of processors 801 in the user device 8 may be one or more. In some embodiments of the invention, processor 801, memory 802, and transceiver 803 may be coupled by a bus system or other means. User device 8 can be used to perform the method shown in FIG. For the meaning and examples of the terms involved in the embodiment, reference may be made to the corresponding embodiment of FIG. 3. I will not repeat them here.

The program code is stored in the memory 802. The processor 801 is configured to call program code stored in the memory 802 for performing the following operations:

Establish a PDN connection;

When the base station supports the link aggregation capability, the user equipment supporting the link aggregation capability is selected as the relay user equipment from the user equipments managed by the base station;

Notifying the base station of the device identifier of the relay user equipment to the base station;

Receiving the first configuration information sent by the base station, where the first configuration information is used to configure an AS parameter of the user equipment, and the AS parameters of the user equipment include: the first radio bearer and the second radio bearer respectively bear a ratio value or an absolute value of the data amount, and mapping information of the first radio bearer and the second radio bearer and the PDN connection, where the first radio bearer is used by the user equipment and the relay user And a D2D bearer between the device, and the relay bearer between the relay user equipment and the base station, where the second radio bearer is composed of a Uu bearer between the user equipment and the base station.

In some embodiments of the present invention, when the determining, by the processor 801, that the base station supports the link aggregation capability, the user equipment that supports the link aggregation capability from the user equipment managed by the base station is included as the relay user equipment. :

Receiving, by the base station, a message carrying an indication bit, and determining, according to the indication bit, that the base station supports a link aggregation capability;

A user equipment with the best link quality and supporting link aggregation capability is selected as the relay user equipment from the user equipments managed by the base station.

In some embodiments of the present invention, the processor 801 is further configured to:

Detecting that the throughput of the D2D bearer is less than a preset value, reducing the amount of data carried on the D2D bearer; or

The user equipment provided by the embodiment of the present invention includes but is not limited to piggybacking

Or terminal devices of other operating systems, such as mobile phones. Other terminal devices are also possible, such as a laptop or tablet or desktop computer with a touch-sensitive surface (e.g., a touch screen display and/or a touch pad).

In the discussion that follows, a terminal device including a display and a touch-sensitive surface is described. It should be understood, however, that the terminal device can include one or more other physical user interface devices, such as a physical keyboard, mouse, and/or joystick.

Terminal devices typically support a variety of applications, such as one or more of the following: a drawing application, a rendering application, a word processing application, a web page creation application, a disk editing application, a spreadsheet application, a gaming application. , phone apps, video conferencing apps, email apps, instant messaging apps, workout support apps, photo management apps, digital camera apps, digital video camera apps, web browsing apps, digital music players Application, and/or digital video player application.

Various applications that can be executed on the terminal device can use at least one shared physical user interface device, such as a touch-sensitive surface. One or more functions of the touch-sensitive surface and corresponding information displayed on the terminal device may be adjusted and/or changed from one application to the next and/or adjusted and/or changed within the corresponding application . In this way, the shared physical architecture of the terminal device, such as a touch-sensitive surface, can support various applications with a user interface that is intuitive to the user.

One of ordinary skill in the art can understand that all or part of the process of implementing the foregoing embodiments can be completed by a computer program to instruct related hardware, and the program can be stored in a computer readable storage medium. When executed, the flow of an embodiment of the methods as described above may be included. The storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).

The above disclosure is only a preferred embodiment of the present invention, and of course, the scope of the present invention is not limited thereto, and those skilled in the art can understand all or part of the process of implementing the above embodiments, and according to the present invention. The equivalent changes required are still within the scope of the invention.

Claims

A method for configuring data transmission, comprising:

Receiving, by the base station, a device identifier of the relay user equipment selected by the remote user equipment;

The base station sends the first configuration information to the remote user equipment, where the first configuration information is used to configure an access layer AS parameter of the remote user equipment, and the AS parameters of the remote user equipment include And a ratio value or an absolute value of the data amount respectively carried by the first radio bearer and the second radio bearer, and mapping information of the first radio bearer and the second radio bearer and the PDN connection, the first wireless The bearer is composed of a D2D bearer between the remote user equipment and the relay user equipment, and the relay bearer between the relay user equipment and the base station, where the second radio bearer is Forming a Uu bearer between the remote user equipment and the base station;

Sending, by the base station, the second configuration information to the relay user equipment according to the device identifier, where the second configuration information is used to configure an AS parameter of the relay user equipment, and the AS of the relay user equipment The parameter includes: the D2D bearer and mapping information of the relay bearer and the first radio bearer.
The method of claim 1 further comprising:

When the base station detects that the first radio bearer or the second radio bearer fails, the base station releases the failed radio bearer; or

The base station detects that the PDN connection needs to be removed, and releases the first radio bearer and the second radio bearer.
The method of claim 1 further comprising:

The base station broadcasts a message carrying a first indicator bit, where the first indicator bit is used to indicate that the base station supports link aggregation capability; or

The base station broadcasts a message carrying a second indicator bit, where the second indicator bit is used to indicate that the relay user equipment supports link aggregation capability.
A method for configuring data transmission, comprising:

The remote user equipment establishes a PDN connection.

When the remote user equipment determines that the base station supports the link aggregation capability, the user equipment that supports the link aggregation capability is selected as the relay user equipment from the user equipments managed by the base station;

The remote user equipment notifies the base station of the device identifier of the relay user equipment;

The remote user equipment receives the first configuration information sent by the base station, where the first configuration information is used to configure an AS parameter of the remote user equipment, and the AS parameters of the remote user equipment include: a ratio or an absolute value of the amount of data that the radio bearer and the second radio bearer each bear, and mapping information of the first radio bearer and the second radio bearer and the PDN connection, where the first radio bearer is a D2D bearer between the remote user equipment and the relay user equipment, and the relay bearer between the relay user equipment and the base station, where the second radio bearer is from the far The Uu bearer between the end user equipment and the base station is composed.
The method according to claim 4, wherein when the remote user equipment determines that the base station supports the link aggregation capability, the user equipment supporting the link aggregation capability is selected from the user equipments managed by the base station as Following the user equipment includes:

Receiving, by the remote user equipment, a message carrying an indication bit broadcast by the base station, and determining, according to the indication bit, that the base station supports a link aggregation capability;

The remote user equipment selects a user equipment with the best link quality and supports link aggregation capability from the user equipment managed by the base station as the relay user equipment.
The method of claim 4, further comprising:

When the remote user equipment detects that the throughput of the D2D bearer is less than a preset value, reducing the amount of data carried on the D2D bearer; or

When the remote user equipment detects that the available bandwidth of the relay bearer is less than a preset value, increasing the amount of data carried by the second radio bearer; or

When the remote user equipment detects that the throughput of the second radio bearer is less than a preset value, the amount of data carried on the D2D bearer is increased.
A base station, comprising:

a device identifier receiving module, configured to receive a device identifier of the relay user equipment selected by the remote user equipment knowledge;

a first configuration module, configured to send the first configuration information to the remote user equipment, where the first configuration information is used to configure an AS parameter of the remote user equipment, and an AS parameter of the remote user equipment And including: a ratio value or an absolute value of the data amount respectively assumed by the first radio bearer and the second radio bearer, and mapping information of the first radio bearer and the second radio bearer and the PDN connection, where the first The radio bearer is composed of a D2D bearer between the remote user equipment and the relay user equipment, and the relay bearer between the relay user equipment and the base station, where the second radio bearer is composed of a Uu bearer between the remote user equipment and the base station;

a second configuration module, configured to send second configuration information to the relay user equipment according to the device identifier, where the second configuration information is used to configure an AS parameter of the relay user equipment, where the relay The AS parameters of the user equipment include: the D2D bearer and mapping information of the relay bearer and the first radio bearer.
The base station according to claim 7, further comprising:

a detecting module, configured to detect, when the first radio bearer or the second radio bearer fails, release the failed radio bearer; or

The PDN connection is detected to be removed, and the first radio bearer and the second radio bearer are released.
The base station according to claim 7, further comprising:

An indication module, configured to broadcast a message carrying a first indicator bit, where the first indicator bit is used to indicate that the base station supports link aggregation capability; or

The message carrying the second indicator bit is broadcasted; wherein the second indicator bit is used to indicate that the relay user equipment supports link aggregation capability.
A user equipment, comprising:

An initiating module, configured to establish a PDN connection;

And a selection module, configured to: when the base station supports the link aggregation capability, select, from the user equipment managed by the base station, a user equipment that supports the link aggregation capability as the relay user equipment;

a notification module, configured to notify, by the user equipment, the device identifier of the relay user equipment to the base station;

a configuration information receiving module, configured to receive first configuration information that is sent by the base station, where the first configuration information is used to configure an AS parameter of the user equipment, and the AS parameter of the user equipment includes: a first radio bearer And a ratio value or an absolute value of the data amount respectively assumed by the second radio bearer, and mapping information of the first radio bearer and the second radio bearer and the PDN connection, where the first radio bearer is used by the user a D2D bearer between the device and the relay user equipment, and the relay bearer between the relay user equipment and the base station, where the second radio bearer is used by the user equipment and the base station The Uu bearer is composed between.
The user equipment of claim 10, wherein the selection module comprises:

a receiving unit, configured to receive a message carrying the indication bit broadcast by the base station, and determine, according to the indication bit, that the base station supports a link aggregation capability;

And a selecting unit, configured to select, from the user equipment managed by the base station, a user equipment with the best link quality and supporting link aggregation capability as the relay user equipment.
The user equipment of claim 10, further comprising:

An adjustment module, configured to reduce the amount of data carried on the D2D bearer when the throughput of the D2D bearer is less than a preset value; or

When the available bandwidth of the relay bearer is less than a preset value, the amount of data carried on the second radio bearer is increased; or

When the throughput of the second radio bearer is less than a preset value, the amount of data carried on the D2D bearer is increased.