US 12,408,083 B2
Transmission of capability information about link
Insun Jang, Seoul (KR); Jeongki Kim, Seoul (KR); Jinsoo Choi, Seoul (KR); Namyeong Kim, Seoul (KR); Suhwook Kim, Seoul (KR); Sungjin Park, Seoul (KR); and Taewon Song, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Mar. 13, 2024, as Appl. No. 18/604,315.
Application 18/604,315 is a continuation of application No. 17/798,820, granted, now 12,200,544, previously published as PCT/KR2020/018878, filed on Dec. 22, 2020.
Claims priority of application No. 10-2020-0017243 (KR), filed on Feb. 12, 2020; and application No. 10-2020-0017244 (KR), filed on Feb. 12, 2020.
Prior Publication US 2024/0224124 A1, Jul. 4, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H04W 28/20 (2009.01); H04W 84/12 (2009.01)
CPC H04W 28/20 (2013.01) [H04W 84/12 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A method in a wireless local area network (WLAN) system, the method comprising;
transmitting, by a non-access point multilink device (non-AP MLD) to an AP MLD, a first frame including a header,
wherein the header includes a frame control field having a length of 2 octets, a duration field having a length of 2 octets and being contiguous to the frame control field, and an address field having a length of 6 octets and being contiguous to the duration field,
wherein the first frame further includes a frame body being contiguous to the header,
wherein the frame body includes a sub-field related to a number of spatial streams, wherein the sub-field indicates a maximum number of spatial streams that each station (STA) affiliated with the non-AP MLD can receive, wherein the non-AP MLD operates on a set of enabled links, wherein the sub-field further indicates a number of spatial streams that the non-AP MLD supports on any set of the enabled links,
wherein the first frame further includes link information related to Link Identifiers (IDs) of the set of enabled links;
receiving, by the non-AP MLD from the AP MLD, a second frame responding to the first frame; and
receiving, by the non-AP MLD, physical protocol data units (PPDUs) based on the maximum number of spatial streams indicated in the sub-field.