Patent ID: 9712297
Date: 2017-07-18
CPC Classifications: H04B,H04L,H04W

Claim:
1. A method for communicating in a wireless local area network, the method comprising: receiving, at a receiving station, a multi-user physical layer protocol data unit (MU-PPDU) over an operating bandwidth, the MU-PPDU including a First Signal field, a Second Signal field, and a data portion; wherein the First Signal field comprises bandwidth information, the bandwidth information indicating the operating bandwidth over which the MU-PPDU was received; wherein the data portion comprises at least one aggregated-medium access control (MAC) protocol data units (A-MPDU); wherein the Second Signal field comprising information identifying a first sub-channel carrying the at least one A-MPDU for the receiving station; wherein determining a type of block acknowledgement requested, the block acknowledgement indicating a successful receipt of the at least one A-MPDU by the receiving station; transmitting, when a first type of acknowledgement is requested, a block acknowledgement over a second sub-channel, the second sub-channel assigned to the receiving station; and transmitting, when a second type of acknowledgement is requested, a block acknowledgement over the operating bandwidth.