US 12,120,744 B2
Wireless communication terminal and wireless communication method for multiuser EDCA operation
Woojin Ahn, Gyeonggi-do (KR); Juhyung Son, Gyeonggi-do (KR); Jinsam Kwak, Gyeonggi-do (KR); and Geonjung Ko, Gyeonggi-do (KR)
Assigned to WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., Gyeonggi-Do (KR); and SK TELECOM CO., LTD., Seoul (KR)
Filed by WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., Gyeonggi-do (KR); and SK TELECOM CO., LTD., Seoul (KR)
Filed on Jun. 21, 2023, as Appl. No. 18/212,702.
Application 18/212,702 is a continuation of application No. 17/185,940, filed on Feb. 25, 2021, granted, now 11,716,759.
Application 17/185,940 is a continuation of application No. 16/361,283, filed on Mar. 22, 2019, granted, now 10,966,251, issued on Mar. 30, 2021.
Application 16/361,283 is a continuation of application No. PCT/KR2017/010529, filed on Sep. 25, 2017.
Claims priority of application No. 10-2016-0122488 (KR), filed on Sep. 23, 2016; and application No. 10-2017-0020966 (KR), filed on Feb. 16, 2017.
Prior Publication US 2023/0337283 A1, Oct. 19, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H04W 74/0816 (2024.01); H04B 7/0452 (2017.01); H04W 74/00 (2009.01); H04W 84/12 (2009.01); H04W 74/0833 (2024.01)
CPC H04W 74/0816 (2013.01) [H04B 7/0452 (2013.01); H04W 74/002 (2013.01); H04W 84/12 (2013.01); H04W 74/085 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A wireless communication terminal, the terminal comprising:
a communication unit; and
a processor configured to control transmission and reception of a wireless signal through the communication unit,
wherein the processor is configured to:
receive a first frame including at least one of a first enhanced distributed channel access(EDCA) parameter set and a second EDCA parameter set,
transmit a second frame related to a specific operation of the terminal,
wherein the second frame includes an operation mode subfield including a disable subfield indicating whether the terminal participates in the specific operation, and
perform a channel access based on updated EDCA parameters according to a parameter set selected among the first EDCA parameter set or the second EDCA parameter set,
wherein the EDCA parameters are updated based on the first EDCA parameter set based on whether the disable subfield indicates participation in the specific operation and whether an immediate response of the second frame is received according to whether the disable subfield indicates participation in the specific operation.