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Method and system for communication in multi-user multiple-input-multiple-output wireless networks

  • US 9,232,543 B2
  • Filed: 07/06/2011
  • Issued: 01/05/2016
  • Est. Priority Date: 07/07/2010
  • Status: Active Grant
First Claim
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1. A method of wireless communication in a wireless communication system, comprising:

  • maintaining data blocks at a wireless transmitting station for transmission to multiple wireless receiving stations over a wireless communication medium, wherein the data blocks are organized based on access categories;

    each access category contending for a transmission opportunity period for access to the wireless communication medium; and

    upon successful contention, during the transmission opportunity period, transmitting a data block of a primary access category from the transmitting station to a primary destination wireless receiving station, simultaneously transmitting a data block of a secondary access category from the transmitting station to a secondary destination wireless receiving station, over the wireless communication medium;

    wherein contending for the transmission opportunity period comprises each access category contending for access to the wireless communication medium, and the secondary access category selectively invoking communication medium access backoff based on a backoff event, wherein invoking communication medium access backoff comprises;

    in response to sharing a transmission opportunity period being not possible, the secondary access categories invoking communication medium access backoff.

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