Patent ID: 9743303
Date: 2017-08-22
CPC Classifications: H04B,H04W

Claim:
1. A method to generate a user list for beamforming training, the method comprising: receiving, during association with one or more stations, a management frame from each of the one or more stations, the management frame comprising a frame body, the frame body comprising an information element, the information element comprising a responder bit, the responder bit to indicate if a station is a slow responder determining, based upon the management frame received from each of the one or more stations, if the responder bit is set to determine if each of the one or more stations is a slow responder or a fast responder; and generating a user list of the one or more stations from which to obtain beamforming reports, wherein generating the user list comprises: transmitting a null data packet (NDP) announcement frame, wherein the NDP announcement frame comprises an indication of the order of responses from the one or more stations in accordance with the user list; transmitting an NDP; waiting a timeout period for a response from a first station in the user list; and transmitting a beamforming report poll to the first station immediately after expiration of the timeout period if the first station does not respond to the NDP during the timeout period.