Method and apparatus for sidelink bandwidth part configuration

1 . A method for sidelink bandwidth part configuration, performed by a first terminal, and comprising:

receiving system information sent by a network device;

determining sidelink bandwidth part (BWP) configuration information based on the system information,

wherein the sidelink BWP configuration information is used for indicating a plurality of sidelink BWPs, the system information is used for indicating a first number of sidelink BWPs in the plurality of sidelink BWPs, the first number is less than the total number of the plurality of sidelink BWPs, and a remaining sidelink BWP other than the first number of sidelink BWPs in the plurality of sidelink BWPs is located within 20 MHz near a center frequency of the sidelink BWPs configured based on the system information; and wherein the plurality of sidelink BWPs comprise at least one first sidelink BWP and at least one second sidelink BWP, the first sidelink BWP belongs to a bandwidth capability range of a first type terminal, the second sidelink BWP belongs to a bandwidth capability range of a second type terminal, the first type terminal is a reduced capability (Redcap) terminal, the second type terminal is a non-Redcap terminal, a capability of the second type terminal is greater than a capability of the first type terminal, and the capability comprises a processing time latency; and

determining a sidelink BWP satisfying a capability of the first terminal in the plurality of sidelink BWPs, wherein the first terminal is a Redcap terminal.

2 . The method for sidelink bandwidth part configuration according to claim 1 , further comprising:

sending capability information to a second terminal, wherein the capability information is used for indicating the capability of the first terminal.

3 . The method for sidelink bandwidth part configuration according to claim 1 , further comprising:

determining that a capability of the second terminal is the same as the capability of the first terminal; and

performing sidelink communication with the second terminal based on the sidelink BWP satisfying the capability of the first terminal.

4 . A method for sidelink bandwidth part configuration, performed by a second terminal, and comprising:

receiving capability information sent by a first terminal, wherein the capability information is used for indicating a capability of the first terminal; and

determining a sidelink bandwidth part (BWP) satisfying the capability of the first terminal, and performing sidelink communication with the first terminal based on the sidelink BWP satisfying the capability of the first terminal, wherein the first terminal is a Redcap terminal;

wherein the sidelink BWP satisfying the capability of the first terminal is determined by the first terminal in a plurality of sidelink BWPs configured by a network device, a first number of sidelink BWPs in the plurality of sidelink BWPs are indicated by system information, the first number is less than the total number of the plurality of sidelink BWPs, and a remaining sidelink BWP other than the first number of sidelink BWPs in the plurality of sidelink BWPs is located within 20 MHz near a center frequency of the sidelink BWPs configured based on the system information; and wherein the plurality of sidelink BWPs comprise at least one first sidelink BWP and at least one second sidelink BWP, the first sidelink BWP belongs to a bandwidth capability range of a first type terminal, the second sidelink BWP belongs to a bandwidth capability range of a second type terminal, the first type terminal is a reduced capability (Redcap) terminal, the second type terminal is a non-Redcap terminal, a capability of the second type terminal is greater than a capability of the first type terminal, and the capability comprises a processing time latency.

5 . A method for sidelink bandwidth part configuration, performed by a network device, and comprising:

sending system information to a first terminal, wherein the system information is used for determining sidelink BWP configuration information;

wherein the sidelink BWP configuration information is used for indicating a plurality of sidelink BWPs, the system information is used for indicating a first number of sidelink BWPs in the plurality of sidelink BWPs, the first number is less than the total number of the plurality of sidelink BWPs, and a remaining sidelink BWP other than the first number of sidelink BWPs in the plurality of sidelink BWPs is located within 20 MHz near a center frequency of the sidelink BWPs configured based on the system information;

wherein the sidelink BWP configuration information is used by the first terminal to determine a sidelink BWP satisfying a capability of the first terminal in the plurality of sidelink BWPs, and the first terminal is a Redcap terminal; and

wherein he plurality of sidelink BWPs comprise at least one first sidelink BWP and at least one second sidelink BWP, the first sidelink BWP belongs to a bandwidth capability range of a first type terminal, the second sidelink BWP belongs to a bandwidth capability range of a second type terminal, the first type terminal is a Redcap terminal, the second type terminal is a non-Redcap terminal, a capability of the second type terminal is greater than a capability of the first type terminal, and the capability comprises a processing time latency.

6 . An apparatus for sidelink bandwidth part configuration, comprising:

a processor; and

a memory, configured to store an instruction executable by the processor;

wherein the processor is configured to: perform the method for sidelink bandwidth part configuration according to claim 1 .

7 . The method for sidelink bandwidth part configuration according to claim 1 , further comprising:

determining that the capability of the second terminal is different from the capability of the first terminal; and

performing sidelink communication with the second terminal based on a sidelink BWP satisfying the capability of the second terminal.

8 . An apparatus for sidelink bandwidth part configuration, comprising:

a processor; and

a memory, configured to store an instruction executable by the processor;

wherein the processor is configured to perform the method for sidelink bandwidth part configuration according to claim 4 .

9 . An apparatus for sidelink bandwidth part configuration, comprising:

a processor; and

a memory, configured to store an instruction executable by the processor;

wherein the processor is configured to perform the method for sidelink bandwidth part configuration according to claim 5 .