	US 12,096,475 B2
	Apparatus and method for coordinated spatial reuse in wireless communication
Jonghun Han, Gwacheon-si (KR); Chulho Chung, Yongin-si (KR); Myeongjin Kim, Seongnam-si (KR); and Eunsung Jeon, Seoul (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Aug. 13, 2021, as Appl. No. 17/401,567.
Claims priority of application No. 10-2020-0107973 (KR), filed on Aug. 26, 2020; application No. 10-2020-0124192 (KR), filed on Sep. 24, 2020; and application No. 10-2021-0022600 (KR), filed on Feb. 19, 2021.
Prior Publication US 2022/0070932 A1, Mar. 3, 2022
Int. Cl. H04W 74/0816 (2024.01); H04B 17/10 (2015.01); H04W 16/14 (2009.01); H04W 52/24 (2009.01); H04W 72/0446 (2023.01)

CPC H04W 74/0816 (2013.01) [H04B 17/103 (2015.01); H04W 16/14 (2013.01); H04W 52/242 (2013.01); H04W 52/243 (2013.01); H04W 72/0446 (2013.01)]

19 Claims

1. A wireless communication method performed by a first apparatus, the method comprising:

acquiring, by the first apparatus, a transmit opportunity (TXOP) for transmitting a first physical layer protocol data unit (PPDU) with a first transmission power;

selecting, by the first apparatus, a second apparatus for sharing the TXOP to a third apparatus based on a path loss between the first apparatus and the second apparatus;

determining, by the first apparatus, a limit for a second transmission power of the second apparatus and sharing the TXOP with the second apparatus based at least in part on the determined limit for the second transmission power; and

transmitting, by the first apparatus, the first PPDU to the third apparatus with the first transmission power in the shared TXOP.