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DISTRIBUTED AND SCALABLE PHYSICAL LAYER AND MEDIUM ACCESS DESIGN FOR UPLINK MULTIUSER MULTIPLE-INPUT, MULTIPLE-OUTPUT (MU-MIMO) IN WIRELESS LOCAL AREA NETWORK (WLAN) SYSTEMS
DISTRIBUTED AND SCALABLE PHYSICAL LAYER AND MEDIUM ACCESS DESIGN FOR UPLINK MULTIUSER MULTIPLE-INPUT, MULTIPLE-OUTPUT (MU-MIMO) IN WIRELESS LOCAL AREA NETWORK (WLAN) SYSTEMS
A client device includes a processor and an antenna. The client device obtains an announcement that specifies a winning client of a channel contention competition; identifies a group association of the client device using an identity of the winning client; transmits a preamble modulated by an entry of a preamble interference nullification matrix, the entry is based on the group association; and transmits, after transmitting the preamble, a data transmission. The preamble is transmitted at the same time as a second preamble is transmitted by a second client device.
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