US 12,309,861 B2
Communication device and communication method for multi-link block acknowledgement
Rojan Chitrakar, Singapore (SG); Lei Huang, Singapore (SG); and Yoshio Urabe, Nara (JP)
Assigned to Panasonic Intellectual Property Corporation of America, Torrance, CA (US)
Appl. No. 17/782,142
Filed by Panasonic Intellectual Property Corporation of America, Torrance, CA (US)
PCT Filed Oct. 30, 2020, PCT No. PCT/SG2020/050620
§ 371(c)(1), (2) Date Jun. 2, 2022,
PCT Pub. No. WO2021/126075, PCT Pub. Date Jun. 24, 2021.
Claims priority of application No. 10201912856T (SG), filed on Dec. 20, 2019.
Prior Publication US 2023/0011167 A1, Jan. 12, 2023
Int. Cl. H04W 76/15 (2018.01); H04L 1/1607 (2023.01); H04W 74/0816 (2024.01)
CPC H04W 76/15 (2018.02) [H04L 1/1621 (2013.01); H04W 74/0816 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An originator multi-link device (MLD), comprising:
circuitry, which, in operation, establishes on a first link a multi-link Block Ack agreement for a plurality of links with a recipient MLD;
a transmitter, which, in operation, transmits to the recipient MLD a plurality of MAC layer Protocol Data Units (MPDUs) with a common Traffic Identifier (TID) on one or more links among the plurality of links; and
a receiver, which, in operation, receives a multi-link Block Ack from the recipient MLD on the first link and, in operation, receives one or more per-link Block Acks from the recipient MLD, each of the one or more per-link Block Acks indicating a reception status of a subset of the plurality of MPDUs, the subset being transmitted on one of the one or more links.