Periodic resource reservation for serving aperiodic traffic over sidelink

An apparatus for wireless communication at a first wireless device, comprising:

• a memory;
• and
• at least one processor coupled to the memory and configured to:
• receive a reservation from a second wireless device for a set of periodic resources for sidelink transmission;
• receive, from the second wireless device, sidelink control information (SCI) in a period of the set of periodic resources, the SCI including an indication that the SCI is not associated with a data transmission, wherein the indication is comprised in a first part of the SCI in a physical sidelink control channel (PSCCH);
• and
• refrain from attempting to decode a second part of the SCI and the data transmission in response to receiving the indication in the first part of the SCI.

A method of wireless communication at a first wireless device, comprising:

• receiving a reservation from a second wireless device for a set of periodic resources for sidelink transmission;
• receiving, from the second wireless device, sidelink control information (SCI) in a period of the set of periodic resources, the SCI including an indication that the SCI is not associated with a data transmission, wherein the indication is comprised in a first part of the SCI in a physical sidelink control channel (PSCCH);
• and
• refraining from attempting to decode a second part of the SCI and the data transmission in response to receiving the indication in the first part of the SCI.