Wireless station and methods for TOF positioning using reverse-direction grant

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United States of America Patent

PATENT NO 9313811
APP PUB NO 20140269549A1
SERIAL NO

14124444

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Abstract

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Embodiments of a communication station (STA) and method for time-of-flight (ToF) positioning in a wireless network are generally described herein. In some embodiments, an initiating station may transmit a message M1 carrying a high-throughput control (HTC) field that includes a reverse direction grant (RDG) bit. The RDG indication grants permission to a responding station to send information back to the initiating station. The message M1 may be a timing measurement action frame. An ACK frame may be received from the responding station to acknowledge receipt of the message M1. The ACK frame may optionally carry an HTC field that includes a more PPDU indication to indicate whether a PPDU (e.g., contained in message M2) is to follow the ACK frame. The message M2 may be received from the responding station and may include timing measurement information from a current and/or one or more previous ToF message exchanges.

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Patent Owner(s)

  • INTEL CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Amizur, Yuval Kfar-Saba, IL 78 593
Segev, Jonathan Tel Mond, IL 142 1449
Stephens, Adrian P Cottenham, GB 147 2933

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