US 12,452,854 B2
Methods and apparatuses for optimized multi-AP coordination
Pascal Viger, Janze (FR); Stéphane Baron, Le Rheu (FR); and Patrice Nezou, Liffre (FR)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Appl. No. 17/928,254
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
PCT Filed May 28, 2021, PCT No. PCT/EP2021/064313
§ 371(c)(1), (2) Date Nov. 28, 2022,
PCT Pub. No. WO2021/239929, PCT Pub. Date Dec. 2, 2021.
Claims priority of application No. 2008112 (GB), filed on May 29, 2020.
Prior Publication US 2023/0209531 A1, Jun. 29, 2023
Int. Cl. H04W 72/121 (2023.01)
CPC H04W 72/121 (2013.01) 16 Claims
OG exemplary drawing
 
1. A communication method in a wireless network comprising, at a wireless device operating on a primary channel to communicate with one or more other wireless devices:
receiving, from a coordinator device being granted a transmission opportunity (TXOP), a frame announcing the sharing of resources of the granted TXOP with the wireless device, the announcing frame being made of a Medium Access Control (MAC) header and a MAC payload that comprises resource allocation data content defining an allocation of the resources to the wireless device; and
responsive to the receiving of the announcing frame, controlling a switch of the operating primary channel to another primary channel corresponding to the shared resources and sending a re-announcing frame repeating the resource allocation data content of the received announcing frame to drive one or more of the other wireless devices to switch their operating primary channel to the other primary channel.