User equipments and communication methods for sidelink communication

A user equipment for performing sidelink (SL) communications, comprising:

• receiving circuitry configured to receive a radio resource control (RRC) message comprising first information used for configuring one or more resource pools for at least one SL transmission within one or more SL bandwidth parts (BWPs);
• determining circuitry configured to select an SL resource for transmission of a Physical Sidelink Control Channel (PSCCH) and a Physical Sidelink Shared Channel (PSSCH) associated with the PSCCH;
• and
• transmitting circuitry configured to transmit first-stage SL control information (SCI) over the PSCCH and to transmit the PSSCH associated with the PSCCH,
• wherein:
• second-stage SCI is carried on the PSSCH, and
• the first-stage SCI provides scheduling information of the PSSCH, and indicates a format of the second-stage SCI.

A communication method performed by a user equipment for performing sidelink (SL) communications, the method comprising:

• receiving a radio resource control (RRC) message comprising first information used for configuring one or more resource pools for at least one SL transmission within one or more SL bandwidth parts (BWPs);
• selecting an SL resource for transmission of a Physical Sidelink Control Channel (PSCCH) and a Physical Sidelink Shared Channel (PSSCH) associated with the PSCCH;
• transmitting first-stage SL control information (SCI) over the PSCCH;
• and
• transmitting the PSSCH associated with the PSCCH,
• wherein:
• second-stage SCI is carried on the PSSCH, and
• the first-stage SCI provides scheduling information of the PSSCH, and indicates a format of the second-stage SCI.