- Patent Title: Transmission power control for improved time-of-flight performance
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Application No.: US15110841Application Date: 2014-06-30
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Publication No.: US10009854B2Publication Date: 2018-06-26
- Inventor: Yuval Amizur , Uri Schatzberg , Gaby Prechner
- Applicant: Intel IP Corporation
- Applicant Address: US CA Santa Clara
- Assignee: Intel IP Corporation
- Current Assignee: Intel IP Corporation
- Current Assignee Address: US CA Santa Clara
- Agency: Schwegman Lundberg & Woessner, P.A.
- International Application: PCT/US2014/044909 WO 20140630
- International Announcement: WO2015/119655 WO 20150813
- Main IPC: H04W52/26
- IPC: H04W52/26 ; H04W52/24 ; H04W52/36 ; H04B17/27 ; H04W24/02 ; H04W24/10 ; H04W72/04

Abstract:
Embodiments of a communication station and method for transmission power control for Time-of-Flight (ToF) measurements in a wireless network are generally described herein. A protocol for fine timing measurements (FTMs) optimizes location performance rather than Wi-Fi coverage area and bit error rate by limiting an allowed maximum power and hence, EVM. A user equipment (UE) comprises a transceiver configured to receive, from an initiating station, a fine timing measurement request (FTMR) message at a maximum transmit power and lowest modulation and coding scheme (MCS), measure a relative received signal strength (RSSI) for the received FTMR message, determine a maximum transmit power, where the maximum transmit power is proportional to the measured RSSI; and transmit, to the initiating station, a fine timing measurement 1 (FTM1) message at the determined maximum transmit power and received lowest MCS.
Public/Granted literature
- US20160337985A1 TRANSMISSION POWER CONTROL FOR IMPROVED TIME-OF-FLIGHT PERFORMANCE Public/Granted day:2016-11-17
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