USER EQUIPMENT AND INTER-UE COORDINATION METHOD PERFOMED THEREIN

The present disclosure provides a first user equipment, a second user equipment and inter-UE coordination methods performed by the first and second user equipment. The inter-UE coordination method performed by a first User Equipment, UE, for autonomous resource allocation for sidelink transmission comprises: receiving, from a second UE, a message that indicates one or more resources reserved for a future sidelink transmission by the second UE; determining that a triggering condition for transmission of an inter-UE coordination message is satisfied, based on the received message; and either transmitting the inter-UE coordination message or refraining from transmitting the inter-UE coordination message, based on one or more rules for determining whether to transmit the inter-UE coordination message.