Granted Patent B2

US 12,726,848 · App. 17/980,357 · Granted Sep 1, 2026

Inventors: Jiamin Liu (Guangdong, CN); Yang Liu (Guangdong, CN)

Assignee: VIVO MOBILE COMMUNICATION CO., LTD.

H04W28/0268H04W28/0263H04W88/04

Abstract

Claims (64)

1 . A configuration method for a sidelink relay architecture, wherein the method is performed by a relay terminal, and the method comprises:

receiving configuration information, wherein the configuration information is used for configuring a mapping relationship between a universal user network interface (Uu) bearer and quality of service (QoS) flow information of a remote terminal, and the Uu bearer is a bearer between the relay terminal and a network device;

wherein a data packet transmitted on the Uu bearer comprises a QoS flow index, and the QoS flow index is used to distinguish one of the following: a plurality of pieces of QoS flow information of a plurality of remote terminals; and different pieces of QoS flow information of one remote terminal;

wherein the method further comprises:

based on the QoS flow index in the Uu bearer, mapping the data packet transmitted on the Uu bearer to a sidelink bearer of a remote terminal corresponding to the QoS flow index, for transmission;

wherein before the receiving configuration information, the method further comprises:

receiving QoS information from the remote terminal; and

sending the QoS information to the network device, wherein the QoS information is used for configuring the Uu bearer for the relay terminal by the network device;

or

wherein the configuration information is further used for configuring a mapping relationship between the Uu bearer and a sidelink bearer of the remote terminal, and before the receiving configuration information, the method further comprises:

receiving sidelink bearer information from the remote terminal; and

sending the sidelink bearer information to the network device, wherein the sidelink bearer information is used for configuring the Uu bearer for the relay terminal by the network device.

2 . The method according to claim 1 , wherein the configuration information is further used for configuring a mapping relationship between the Uu bearer and a sidelink bearer of the remote terminal;

the Uu bearer comprises a Uu dedicated radio bearer (DRB) or a Uu radio link control (RLC) bearer; and

the sidelink bearer comprises a sidelink radio bearer (SLRB) or a sidelink RLC bearer.

3 . The method according to claim 1 , wherein the sending the QoS information to the network device comprises:

sending the QoS information to the network device by using newly defined radio resource control (RRC) signaling, wherein the newly defined RRC signaling is used to indicate that the QoS information corresponds to a service of the remote terminal; or

sending the QoS information to the network device by using existing RRC signaling, wherein the existing RRC signaling comprises indication information, and the indication information is used to indicate that the QoS information corresponds to a service of the remote terminal.

4 . The method according to claim 1 , wherein the configuration information is further used for configuring a mapping relationship between the Uu bearer and a sidelink bearer of the remote terminal, and

N sidelink bearers are mapped to one Uu bearer, wherein N is an integer greater than 1.

5 . The method according to claim 4 , wherein an IP data packet transmitted on the Uu bearer comprises an IP address, and there is a correspondence between the IP address and the remote terminal, and wherein after the receiving configuration information, the method further comprises:

based on the IP address, mapping the IP data packet transmitted on the Uu bearer to the sidelink bearer of the remote terminal corresponding to the IP address, for transmission.

6 . The method according to claim 4 , wherein an IP data packet transmitted on the Uu bearer comprises a differentiated services code point (DSCP) field, and a plurality of values of the DSCP field correspond to a plurality of pieces of data with different QoS information respectively, and the plurality of pieces of data with different QoS information belong to one or more remote terminals, and wherein after the receiving configuration information, the method further comprises:

based on a value of the DSCP field, mapping the IP data packet to the sidelink bearer of the remote terminal corresponding to the value of the DSCP field, for transmission.

7 . The method according to claim 6 , wherein

there is a mapping relationship between the value of the DSCP field and the sidelink bearer; and

there is a mapping relationship between the value of the DSCP field and an attribute of the sidelink bearer.

8 . The method according to claim 4 , wherein the Uu bearer comprises a plurality of terminal identifiers, and the plurality of terminal identifiers are used to identify a plurality of different remote terminals, and wherein after the receiving configuration information, the method further comprises:

based on the terminal identifier, mapping a data packet transmitted on the Uu bearer to the sidelink bearer of a corresponding remote terminal, for transmission.

9 . The method according to claim 4 , wherein

in a case that N is greater than 1, a data packet transmitted on the Uu bearer comprises a sidelink bearer index, and the sidelink bearer index is used to distinguish one of the following: a plurality of sidelink bearers of a plurality of remote terminals and different sidelink bearers of one remote terminal;

and

wherein after the receiving configuration information, the method further comprises:

based on the sidelink bearer index, mapping the data packet transmitted on the Uu bearer to the sidelink bearer of the remote terminal corresponding to the sidelink bearer index, for transmission.

10 . The method according to claim 1 , wherein M pieces of QoS flow information are mapped to one Uu bearer, wherein M is an integer greater than 1.

11 . A terminal device, comprising a memory, a processor, and an instruction stored in the memory and capable of running on the processor, wherein when the instruction is executed by the processor, the configuration method for the sidelink relay architecture according to claim 1 is implemented.

12 . The terminal according to claim 11 , wherein M pieces of QoS flow information are mapped to one Uu bearer, wherein M is an integer greater than 1.

13 . A configuration method for a sidelink relay architecture, wherein the method is performed by a network device, and the method comprises:

sending configuration information, wherein the configuration information is used for configuring, for a relay terminal, a mapping relationship between a universal user network interface (Uu) bearer and quality of service (QoS) flow information of a remote terminal, and the Uu bearer is a bearer between the relay terminal and the network device;

wherein a data packet transmitted on the Uu bearer comprises a QoS flow index, and the QoS flow index is used to distinguish one of the following: a plurality of pieces of QoS flow information of a plurality of remote terminals; and different pieces of QoS flow information of one remote terminal;

wherein the QoS flow index in the Uu bearer is used to cause the relay terminal to map the data packet transmitted on the Uu bearer to a sidelink bearer of a remote terminal corresponding to the QoS flow index for transmission;

wherein before the sending configuration information, the method further comprises:

receiving QoS information from the relay terminal, wherein the QoS information is sent by the remote terminal to the relay terminal; and

configuring the Uu bearer for the relay terminal based on the QoS information;

or

wherein the configuration information is further used for configuring a mapping relationship between the Uu bearer and a sidelink bearer of the remote terminal, and before the sending configuration information, the method further comprises:

receiving sidelink bearer information from the relay terminal, wherein the sidelink bearer information is sent by the remote terminal to the relay terminal; and

configuring the Uu bearer for the relay terminal based on the sidelink bearer information.

14 . The method according to claim 13 , wherein the configuration information is further used for configuring a mapping relationship between the Uu bearer and a sidelink bearer of the remote terminal;

the Uu bearer comprises a Uu dedicated radio bearer (DRB) or a Uu radio link control (RLC) bearer; and

the sidelink bearer comprises a sidelink radio bearer (SLRB) or a sidelink RLC bearer.

15 . The method according to claim 13 , wherein

the QoS information is carried by newly defined radio resource control (RRC) signaling, and the newly defined RRC signaling is used to indicate that the QoS information corresponds to a service of the remote terminal; or

the QoS information is carried by existing RRC signaling, the existing RRC signaling comprises indication information, and the indication information is used to indicate that the QoS information corresponds to a service of the remote terminal.

16 . The method according to claim 13 , wherein the configuration information is further used for configuring a mapping relationship between the Uu bearer and a sidelink bearer of the remote terminal, and

N sidelink bearers are mapped to one Uu bearer, wherein N is an integer greater than 1.

17 . The method according to claim 16 , wherein an IP data packet transmitted on the Uu bearer comprises an IP address, and there is a correspondence between the IP address and the remote terminal;

or

wherein an IP data packet transmitted on the Uu bearer comprises a differentiated services code point (DSCP) field, and a plurality of values of the DSCP field correspond to a plurality of pieces of data with different QoS information respectively, and the plurality of pieces of data with different QoS information belong to one or more remote terminals;

or

wherein the Uu bearer comprises a plurality of terminal identifiers, and the plurality of terminal identifiers are used to identify a plurality of different remote terminals;

or

in a case that N is greater than 1, a data packet transmitted on the Uu bearer comprises a sidelink bearer index, and the sidelink bearer index is used to distinguish one of the following: a plurality of sidelink bearers of a plurality of remote terminals and different sidelink bearers of one remote terminal.

18 . A network device, comprising a memory, a processor, and an instruction stored in the memory and capable of running on the processor, wherein when the instruction is executed by the processor, the configuration method for the sidelink relay architecture according to claim 13 is implemented.

Assignments (1)

Priority Claims (1)

Continuity (2)

References Cited (47)