Groupcast procedures for v2x

A user device, UE, for a wireless communication system, the wireless communication system comprising a plurality of user devices, UEs, wherein

• the UE is a member UE of at least one logical group recognized or formed in the network, defined by an application and/or application assistance and/or the existing information within the network in accordance with one or more logical group criteria, the logical group comprising a plurality of member UEs to be connected via sidelink for sidelink communication with each other,
• wherein the UE has assigned the same destination identification, ID, like all other member UEs of the logical group, the destination ID being unique for the logical group.

A base station for a wireless communication system, the wireless communication system comprising a plurality of user devices, UEs, wherein

• the base station is configured to serve one or more member UEs of at least one logical group recognized or formed in the network in accordance with one or more logical group criteria, the logical group comprising a plurality of member UEs to be connected via a sidelink for a sidelink communication with each other,
• wherein all member UEs of the logical group have assigned the same destination identification, ID, the destination ID being unique for the logical group.

A method in a wireless communication system comprising a plurality of user devices, UEs, the method comprising:

• defining at least one logical group in accordance with one or more logical group criteria, the logical group comprising a plurality of member UEs to be connected via sidelink for sidelink communication with each other, and
• assigning to all member UEs of the logical group the same destination identification, ID, the destination ID being unique for the logical group.

A non-transitory digital storage medium having a computer program stored thereon to perform the method in a wireless communication system comprising a plurality of user devices, UEs, the method comprising:

• defining at least one logical group in accordance with one or more logical group criteria, the logical group comprising a plurality of member UEs to be connected via sidelink for sidelink communication with each other, and
• assigning to all member UEs of the logical group the same destination identification, ID, the destination ID being unique for the logical group,
• when said computer program is run by a computer.