US 11,991,675 B2
Method for transmitting frame using selective beamforming and apparatus for performing the method
Yu Ro Lee, Daejeon (KR); Jae Woo Park, Daejeon (KR); Jae Seung Lee, Daejeon (KR); Jee Yon Choi, Daejeon (KR); Il Gyu Kim, Okcheon (KR); and Seung Chan Bang, Daejeon (KR)
Assigned to Electronics and Telecommunications Research Institute, Daejeon (KR)
Filed by Electronics and Telecommunications Research Institute, Daejeon (KR)
Filed on Nov. 10, 2020, as Appl. No. 17/093,836.
Application 17/093,836 is a continuation of application No. 16/659,840, filed on Oct. 22, 2019, granted, now 10,869,205.
Application 16/659,840 is a continuation of application No. 16/259,058, filed on Jan. 28, 2019, granted, now 10,506,453, issued on Dec. 10, 2019.
Application 16/259,058 is a continuation of application No. 14/817,259, filed on Aug. 4, 2015, granted, now 10,237,753, issued on Mar. 19, 2019.
Claims priority of application No. 10-2014-0103964 (KR), filed on Aug. 11, 2014; and application No. 10-2015-0093069 (KR), filed on Jun. 30, 2015.
Prior Publication US 2021/0058798 A1, Feb. 25, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. H04B 7/0417 (2017.01); H04B 7/0452 (2017.01); H04B 7/06 (2006.01); H04W 16/28 (2009.01); H04W 24/10 (2009.01); H04W 28/02 (2009.01); H04W 48/16 (2009.01); H04W 72/0453 (2023.01); H04W 72/21 (2023.01); H04W 72/23 (2023.01); H04W 72/542 (2023.01); H04W 84/12 (2009.01); H04W 88/02 (2009.01); H04W 88/08 (2009.01); H04W 92/02 (2009.01); H04W 92/10 (2009.01)
CPC H04W 72/0453 (2013.01) [H04B 7/0417 (2013.01); H04B 7/0452 (2013.01); H04B 7/0617 (2013.01); H04B 7/0626 (2013.01); H04W 16/28 (2013.01); H04W 24/10 (2013.01); H04W 28/0247 (2013.01); H04W 48/16 (2013.01); H04W 72/21 (2023.01); H04W 72/23 (2023.01); H04W 72/542 (2023.01); H04W 84/12 (2013.01); H04W 88/02 (2013.01); H04W 88/08 (2013.01); H04W 92/02 (2013.01); H04W 92/10 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A method for receiving feedback information by an access point (AP), the method comprising:
transmitting, to at least one station (STA), an announcement frame including at least one STA information each indicating one of the at least one STA and at least one partial bandwidth information each indicating at least one frequency resource unit;
transmitting, to the at least one STA, a polling frame;
receiving, from the at least one STA, feedback information for the at least one partial bandwidth information indicated by the announcement frame, wherein the feedback information is received in response to the polling frame; and
transmitting, to the at least one STA, a multiple-user (MU) physical protocol data unit (PPDU) based on the feedback information,
wherein the MU PPDU includes frequency resource unit allocation information, and
wherein the frequency resource unit allocation information includes information indicating which subcarriers correspond to which frequency resource unit, and indicating which frequency resource unit is allocated to which STA.