US 12,309,054 B2
Multi-link group addressed traffic transmission method and apparatus
Ming Gan, Shenzhen (CN); Dandan Liang, Shenzhen (CN); Yiqing Li, Shenzhen (CN); Yuchen Guo, Shenzhen (CN); Yunbo Li, Shenzhen (CN); Jian Yu, Shenzhen (CN); and Xun Yang, Shenzhen (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., Guangdong (CN)
Filed on Apr. 25, 2024, as Appl. No. 18/645,386.
Application 18/645,386 is a continuation of application No. 18/338,326, filed on Jun. 20, 2023, granted, now 11,997,006.
Application 18/338,326 is a continuation of application No. 17/988,579, filed on Nov. 16, 2022, granted, now 11,743,171, issued on Aug. 29, 2023.
Application 17/988,579 is a continuation of application No. PCT/CN2021/098467, filed on Jun. 4, 2021.
Claims priority of application No. 202010502329.3 (CN), filed on Jun. 4, 2020; and application No. 202011334138.7 (CN), filed on Nov. 24, 2020.
Prior Publication US 2024/0348529 A1, Oct. 17, 2024
Int. Cl. H04L 45/16 (2022.01); H04W 40/24 (2009.01); H04W 72/121 (2023.01)
CPC H04L 45/16 (2013.01) [H04W 40/24 (2013.01); H04W 72/121 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A method, comprising:
generating, by a first access point (AP) of an access point multi-link device (AP MLD), a delivery traffic indication map (DTIM) beacon frame comprising a traffic indication map (TIM) element, wherein the TIM element comprises a partial virtual bitmap field having a set of bits, with the set of bits in the partial virtual bitmap field indicating whether each AP of one or more second APs has a group addressed traffic, the one or more second APs being one or more other APs of the AP MLD except the first AP; and
sending, by the first AP, the DTIM beacon frame.