Systems and methods to facilitate location determination by beamforming of a positioning reference signal

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United States of America Patent

PATENT NO 11496990
APP PUB NO 20200178202A1
SERIAL NO

16782119

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Abstract

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Techniques are provided for positioning of a mobile device in a wireless network using directional positioning reference signals (PRS), also referred to as PRS beamforming. In an example method, a plurality of directional PRSs are generated for at least one cell for a base station, such that each of the plurality of directional PRSs comprises at least one signal characteristic and a direction of transmission, either or both of which may be distinct or unique. The plurality of directional PRSs is transmitted within the at least one cell, such that each of the plurality of directional PRSs is transmitted in the direction of transmission. A mobile device may acquire and measure at least one of the directional PRSs which may be identified using the associated signal characteristic. The measurement may be used to assist position methods such as OTDOA and ECID and to mitigate multipath.

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Patent Owner(s)

Patent OwnerAddress
QUALCOMM INCORPORATED5775 MOREHOUSE DRIVE A DELAWARE CORPORATION SAN DIEGO CA 92121-1714

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Edge, Stephen William Escondido, US 393 5879
Fischer, Sven Nuremberg, DE 285 3542
Pon, Rayman Cupertino, US 31 352

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