OTDOA (observed time difference of arrival) positioning enhancement by using heterogeneous reference signals

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United States of America Patent

PATENT NO 11656317
APP PUB NO 20220276335A1
SERIAL NO

17749241

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Abstract

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Techniques for observed time difference of arrival (OTDOA) positioning based on heterogeneous reference signals (RSs) are discussed. One example apparatus configured to be employed within a user equipment (UE) comprises receiver circuitry, a processor, and transmitter circuitry. The receiver circuitry can receive, from each of a plurality of evolved Node Bs (eNBs), one or more RSs of each of a plurality of distinct types of RSs. The processor can determine, for each of the eNBs, a time of arrival (TOA) of the one or more RSs of each of the plurality of distinct types of RSs; and compute, for each of the eNBs, a reference signal time difference (RSTD) based at least in part on the TOAs of the one or more RSs of each of the plurality of distinct types of RSs. The transmitter circuitry can transmit the RSTD computed for each of the eNBs.

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APPLE INCCALIFORNIA USA CALIFORNIA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bashar, Shafi Santa Clara, US 44 859
Han, Seunghee San Jose, US 625 11387
Khoryaev, Alexey Nizhny Novgorod, RU 235 4240
Tang, Yang Pleasanton, US 732 2516
Yu, Zhibin Unterhaching, DE 109 1472

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