E-OTD augmentation to U-TDOA location system

Details E-OTD augmentation to U-TDOA location system E-OTD augmentation to U-TDOA location system

2009-07-20

2010-02-02

Rampuria, Sharad (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S456100, C455S456500, C455S404200, C455S423000, C455S067110, C342S357490

Reexamination Certificate

active

07657266

ABSTRACT:
A method for use in a wireless communication system with a network overlay geolocation system having a sparse deployment network in which base stations of the wireless communication system may or may not have a co-located wireless location sensor (WLS). The method uses U-TDOA measurements on the uplink (reverse) signal and E-OTD measurements on the downlink (forward) signals to estimate a location for a mobile appliance.

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