Mobile-based positioning using assistance data provided by onboard micro-BSA

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United States of America Patent

PATENT NO 11733342
APP PUB NO 20220334214A1
SERIAL NO

17380989

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Abstract

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A method for estimating position of a mobile device which includes receiving, from a network server, observed time difference of arrival (OTDOA) assistance data for a first plurality of cells from a base station almanac (BSA) accessible to the network server. The OTDOA assistance data is stored, within a memory of the mobile device, as a first micro-BSA. A position estimate for the mobile device is determined based upon time difference of arrival (TDOA) measurements associated with an initial subset of the first plurality of cells and initial OTDOA assistance data corresponding to the initial subset of the first plurality of cells. The initial OTDOA assistance data may be generated by the micro-BSA based upon an initial seed estimate.

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Patent Owner(s)

  • PHY WIRELESS, LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Caliguri, Steven J San Diego, US 8 102
Mall, Raphael San Diego, US 3 0
Rau, Zane San Diego, US 4 1
Riedel, Neal Carlsbad, US 11 577
Thompson, Steven C Solana Beach, US 36 520

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