SENSING AND DEFERRAL FOR ORTHOGONAL FREQUENCY DIVISIONAL MULTIPLE ACCESS IN A WIRELESS NETWORK
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United States of America Patent
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Mar 3, 2016
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Mar 4, 2015
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Abstract
Apparatus, computer readable medium, and method for sensing and deferral for orthogonal frequency division multiple access in a wireless local-area networks are disclosed. An apparatus of an access point is disclosed. The apparatus comprising memory and processing circuitry coupled to the memory. The processing circuitry may configured to configure the access point to sense a plurality of channels of a bandwidth, and determine a resource allocation for one or more stations for an uplink (UL) orthogonal frequency division multiple access (OFDMA) transmission opportunity. The resource allocation may include one or more channels of the plurality of channels that are sensed as not being busy. The processing circuitry may be further configured to encode a trigger frame comprising the resource allocation to initiate the UL OFDMA transmission opportunity and configure the access point to transmit the trigger fame to the one or more stations.
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