US Patent No. 10,194,427

METHODS AND APPARATUS FOR MULTIPLE USER UPLINK


Patent No. 10,194,427
Issue Date January 29, 2019
Title Methods And Apparatus For Multiple User Uplink
Inventorship Simone Merlin, San Diego, CA (US)
Alfred Asterjadhi, San Diego, CA (US)
George Cherian, San Diego, CA (US)
Bin Tian, San Diego, CA (US)
Arjun Bharadwaj, Poway, CA (US)
Gwendolyn Denise Barriac, Encinitas, CA (US)
Yan Zhou, San Diego, CA (US)
Assignee Qualcomm Incorporated, San Diego, CA (US)

Claim of US Patent No. 10,194,427

1. An apparatus for wireless communication comprising:an electronic hardware processor configured to generate a clear to transmit message comprising a first indication of an uplink transmission opportunity, the clear to transmit message further comprising a request for two or more stations to concurrently transmit uplink data at a specific time, the clear to transmit message further comprising a common information field including information common to all of the two or more stations, the clear to transmit message further comprising two or more individual information fields corresponding to each of the two or more stations respectively, the clear to transmit message further comprising a duration field indicating a length for a plurality of uplink data transmissions to be received from the two or more stations at the specific time, wherein the indicated length corresponds to a number of orthogonal frequency-division multiplexing symbols;
a transmitter configured to transmit the clear to transmit message to the two or more stations; and
a receiver configured to receive the plurality of uplink data transmissions at the specific time from at least two stations of the two or more stations.