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United States of America Patent

PATENT NO 10477580
APP PUB NO 20170311351A1
SERIAL NO

15264415

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A user equipment (UE) may, in a first discovery frame, determine whether a discovery resource is available for communication. If the discovery resource is available for communication, the UE may, in a second discovery frame following the first discovery frame, transmit a discovery signal using the discovery resource and puncture the discovery signal during a listening window. The UE may detect the energy of a received signal at the discovery resource during the listening window. The UE may abandon the discovery resource if the detected energy is above a threshold. In some example, the listening window may have a fixed duration and a beginning that is randomly selected from a predetermined set of values. In some example, the listening window may have a variable duration and an end that matches an end of the second discovery frame.

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Patent Owner(s)

  • QUALCOMM INCORPORATED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gupta, Piyush Bridgewater, US 406 2077
Li, Chong Jersey City, US 168 909
Li, Junyi Chester, US 3174 27998

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