US 12,464,496 B2
Coordination of sidelink mode-2 resource reservation for V2X communications
Jedrzej Stanczak, Wroclaw (PL); Rudraksh Shrivastava, Stuttgart (DE); Hajo Bakker, Eberdingen (DE); Vinh Van Phan, Oulu (FI); and Ling Yu, Kauniainen (FI)
Assigned to Nokia Technologies Oy, Espoo (FI)
Appl. No. 17/309,919
Filed by NOKIA TECHNOLOGIES OY, Espoo (FI)
PCT Filed Jan. 30, 2020, PCT No. PCT/EP2020/052263
§ 371(c)(1), (2) Date Jun. 29, 2021,
PCT Pub. No. WO2020/173655, PCT Pub. Date Sep. 3, 2020.
Claims priority of provisional application 62/810,178, filed on Feb. 25, 2019.
Prior Publication US 2022/0046593 A1, Feb. 10, 2022
Int. Cl. H04W 72/02 (2009.01); H04W 72/121 (2023.01); H04W 72/20 (2023.01)
CPC H04W 72/02 (2013.01) [H04W 72/121 (2013.01); H04W 72/20 (2023.01)] 20 Claims
OG exemplary drawing
 
1. A method of communications, comprising:
notifying, by a leader user equipment, a plurality of member user equipments about a first group of resources selected for sidelink communications for a group of user equipments that includes at least the leader user equipment and the plurality of member user equipments, wherein the first group of resources includes a plurality of discrete portions;
configuring, by the leader user equipment, a first member user equipment of the plurality of member user equipments, to validate only a single discrete portion of the plurality of discrete portions of the first group of resources;
configuring, by the leader user equipment, a second member user equipment of the plurality of member user equipments, to validate all of the first group of resources including the plurality of discrete portions;
receiving, by the leader user equipment based on the configuring, a first feedback from the first member user equipment indicating whether a resource-associated conflict exists for the single discrete portion of the first group of resources that has been configured for validation by the first member user equipment, and a second feedback from the second member user equipment indicating whether a resource-associated conflict exists for any resources of the first group of resources;
determining, by the leader user equipment, a second group of resources for sidelink communications of the group of user equipments, the second group of resources being determined based at least on the feedback; and
notifying, by the leader user equipment, one or more user equipments of the plurality of member user equipments about the second group of resources for sidelink communications for the group of user equipments.