A method in a network node and network node of a wireless communication network are provided, comprising, for a cooperating group of user equipments (UEs), the transmission of a group-specific information to at least one transmit point (TP), for transmission to at least a subset of the cooperating UEs in the group, the group-specific information comprising information to configure cooperating UEs in the group to generate a group common contention window for synchronous clear channel assessment (CCA) and aligned sidelink transmission starting times.
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