Method for configuring sidelink relay architecture and terminal
Embodiments of this application disclose a method for configuring a sidelink relay architecture and a terminal, so as to resolve a problem that a remote terminal cannot obtain a sidelink configuration for the sidelink relay architecture. The method can be applied to a remote terminal, and includes: determining a sidelink configuration for the sidelink relay architecture based on at least one of the following: pre-configuration information; a system message received from a camping cell or serving cell; first configuration information from a relay terminal; and second configuration information from a network-side device.
1 . A method for configuring a sidelink relay architecture, applied to a remote terminal, wherein the method comprises:
determining a sidelink configuration for the sidelink relay architecture based on at least one of first configuration information from a relay terminal and second configuration information from a network-side device;
wherein the determining a sidelink configuration for the sidelink relay architecture comprises:
in a layer 2 (L2) relay architecture, determining the sidelink configuration for the sidelink relay architecture based on the second configuration information from the network-side device received in a radio resource control (RRC) procedure or determining the sidelink configuration for the sidelink relay architecture based on the first configuration information from the relay terminal received in a PC5 RRC procedure;
wherein in the L2 relay architecture, the remote terminal determines, for sidelink transmission based on the second configuration information, a sidelink radio bearer (SLRB) configuration, a service data adaptation protocol (SDAP) configuration, and a packet data convergence protocol (PDCP) configuration; and
the remote terminal determines, based on the second configuration information or the first configuration information, a radio link control (RLC) bearer configuration for sidelink transmission;
wherein the method further comprises performing carrier aggregation (CA) duplication transmission for a target service with a relay terminal, wherein the CA duplication transmission for the target service is:
configured by the network-side device for a sidelink radio bearer (SLRB) corresponding to the target service in a case that the remote terminal reports quality of service (QoS) of the target service;
enabling a CA duplication transmission function in a QoS profile used for the target service; or
enabling a CA duplication transmission function in a QoS feature profile of the target service.
2 . The method according to claim 1 , wherein the method further comprises:
performing multi-carrier sidelink transmission with the relay terminal.
3 . The method according to claim 1 , wherein carrier aggregation (CA) or dual connectivity (DC) is configured for a Uu interface between the relay terminal and the network-side device.
4 . The method according to claim 1 , wherein multiple RLC bearers used by the remote terminal to transmit duplicate data are configured to different component carrier (CC) subsets, respectively.
5 . The method according to claim 1 , wherein in a case that dual connectivity is configured for a Uu interface between the relay terminal and the network-side device:
the remote terminal uses a set of security parameters, and multiple data radio bearer (DRBs) of the remote terminal correspond to one network device; or
multiple DRBs of the remote terminal use multiple sets of security parameters.
6 . A remote terminal, comprising a processor, a memory, and a program or instructions stored in the memory and capable of running on the processor, wherein when the program or instructions are executed by the processor, the following steps are implemented:
determining a sidelink configuration for the sidelink relay architecture based on at least one of first configuration information from a relay terminal and second configuration information from a network-side device;
wherein the determining a sidelink configuration for the sidelink relay architecture comprises:
in a layer 2 (L2) relay architecture, determining the sidelink configuration for the sidelink relay architecture based on the second configuration information from the network-side device received in a radio resource control (RRC) procedure or determining the sidelink configuration for the sidelink relay architecture based on the first configuration information from the relay terminal received in a PC5 RRC procedure;
wherein in the L2 relay architecture, the remote terminal determines, for sidelink transmission based on the second configuration information, a sidelink radio bearer (SLRB) configuration, a service data adaptation protocol (SDAP) configuration, and a packet data convergence protocol (PDCP) configuration; and
the remote terminal determines, based on the second configuration information or the first configuration information, a radio link control (RLC) bearer configuration for sidelink transmission;
wherein when the program or instructions are executed by the processor, the following steps are further implemented:
performing carrier aggregation (CA) duplication transmission for a target service with a relay terminal, wherein the CA duplication transmission for the target service is:
configured by the network-side device for a sidelink radio bearer (SLRB) corresponding to the target service in a case that the remote terminal reports quality of service (QoS) of the target service;
enabling a CA duplication transmission function in a QoS profile used for the target service; or
enabling a CA duplication transmission function in a QoS feature profile of the target service.
7 . The remote terminal according to claim 6 , wherein the following steps are further implemented:
performing multi-carrier sidelink transmission with the relay terminal.
8 . The remote terminal according to claim 6 , wherein carrier aggregation (CA) or dual connectivity (DC) is configured for a Uu interface between the relay terminal and the network-side device.
9 . The remote terminal according to claim 6 , wherein multiple RLC bearers used by the remote terminal to transmit duplicate data are configured to different component carrier (CC) subsets, respectively.
10 . The remote terminal according to claim 6 , wherein in a case that dual connectivity is configured for a Uu interface between the relay terminal and the network-side device:
the remote terminal uses a set of security parameters, and multiple data radio bearer (DRBs) of the remote terminal correspond to one network device; or
multiple DRBs of the remote terminal use multiple sets of security parameters.
11 . A non-transitory readable storage medium, wherein the non-transitory readable storage medium stores a program or instructions, and when the program or instructions are executed by a processor, the following steps are implemented:
determining a sidelink configuration for the sidelink relay architecture based on at least one of first configuration information from a relay terminal and second configuration information from a network-side device;
wherein the determining a sidelink configuration for the sidelink relay architecture comprises:
in a layer 2 (L2) relay architecture, determining the sidelink configuration for the sidelink relay architecture based on the second configuration information from the network-side device received in a radio resource control (RRC) procedure or determining the sidelink configuration for the sidelink relay architecture based on the first configuration information from the relay terminal received in a PC5 RRC procedure;
wherein in the L2 relay architecture, determining, for sidelink transmission based on the second configuration information, a sidelink radio bearer (SLRB) configuration, a service data adaptation protocol (SDAP) configuration, and a packet data convergence protocol (PDCP) configuration; and
determining, based on the second configuration information or the first configuration information, a radio link control (RLC) bearer configuration for sidelink transmission-;
wherein when the program or instructions are executed by the processor, the following steps are further implemented:
performing carrier aggregation (CA) duplication transmission for a target service with a relay terminal, wherein the CA duplication transmission for the target service is:
configured by the network-side device for a sidelink radio bearer (SLRB) corresponding to the target service in a case that the remote terminal reports quality of service (QoS) of the target service;
enabling a CA duplication transmission function in a QoS profile used for the target service; or
enabling a CA duplication transmission function in a QoS feature profile of the target service.
12 . The non-transitory readable storage medium according to claim 11 , wherein the following steps are further implemented:
performing multi-carrier sidelink transmission with the relay terminal.
13 . The non-transitory readable storage medium according to claim 11 , wherein carrier aggregation (CA) or dual connectivity (DC) is configured for a Uu interface between the relay terminal and the network-side device.
14 . The non-transitory readable storage medium according to claim 11 , wherein multiple RLC bearers used by the remote terminal to transmit duplicate data are configured to different component carrier (CC) subsets, respectively.
15 . The non-transitory readable storage medium according to claim 11 , wherein in a case that dual connectivity is configured for a Uu interface between the relay terminal and the network-side device:
using a set of security parameters, and multiple data radio bearer (DRBs) of the remote terminal correspond to one network device; or
multiple DRBs of the remote terminal use multiple sets of security parameters.