US 12,010,683 B2
Transmission of a second ACK after failure of first ACK
Taewon Song, Seoul (KR); Kiseon Ryu, Seoul (KR); Jeongki Kim, Seoul (KR); Jinsoo Choi, Seoul (KR); Suhwook Kim, Seoul (KR); and Insun Jang, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 17/286,662
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Oct. 28, 2019, PCT No. PCT/KR2019/014253
§ 371(c)(1), (2) Date Apr. 19, 2021,
PCT Pub. No. WO2020/091331, PCT Pub. Date May 7, 2020.
Claims priority of provisional application 62/751,695, filed on Oct. 28, 2018.
Prior Publication US 2021/0368491 A1, Nov. 25, 2021
Int. Cl. H04W 72/20 (2023.01); H04L 1/18 (2023.01); H04L 5/00 (2006.01); H04W 28/04 (2009.01); H04W 76/11 (2018.01); H04W 76/15 (2018.01); H04W 84/12 (2009.01)
CPC H04W 72/20 (2023.01) [H04L 1/18 (2013.01); H04L 5/0055 (2013.01); H04W 28/04 (2013.01); H04W 76/11 (2018.02); H04W 76/15 (2018.02); H04W 84/12 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A method in a Wireless Local Area Network (LAN) system, the method comprising:
confirming, by a first station (STA), a delivery failure of a first acknowledgment (ACK) signal for a first frame received through a first link;
transmitting, by the first STA to a second STA, report information related to the delivery failure of the first ACK signal through a second link, wherein the report information includes identification information related to the first link;
receiving, by the first STA, a second frame from the second STA through the first link; and
transmitting, by the first STA to the second STA, a second ACK signal for the second frame in a narrowband through the first link,
wherein the report information includes narrowband resource unit (RU) allocation request information.