CPC H04W 74/0808 (2013.01) [H04W 72/0453 (2013.01); H04W 72/046 (2013.01)] | 24 Claims |
1. A method of wireless communication, comprising: performing, by a first wireless communication device in a shared radio frequency band during a first portion of a frame period, a first listen-before-talk (LBT) using a first beam characteristic;
performing, by the first wireless communication device in the shared radio frequency band during a second portion of the frame period, a second LBT using a second set of beam characteristics different from the first beam characteristic, wherein the performing the second LBT using the second set of beam characteristics is based on a determination that the first LBT resulted in a failure; and
communicating, by the first wireless communication device with a second wireless communication device in the shared radio frequency band during the second portion of the frame period, one or more communication signals using the second set of beam characteristics and based on the second LBT;
wherein the frame period includes a plurality of frame based equipment (FBE) frame periods, wherein the first portion includes a first contention period of a first FBE frame period of the plurality of FBE frame periods, the second portion includes a second contention period of a second FBE frame period of the plurality of FBE frame periods, and the first FBE frame period precedes the second FBE frame period, and wherein a duration of the first contention period is longer than a duration of the second contention period.
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