Methods and systems for location estimation

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

Reexamination Certificate

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C455S042000, C342S387000, C342S357490, C342S357490

Reexamination Certificate

active

11113579

ABSTRACT:
Methods and systems for location estimation. Signals are received from a plurality of satellites and a plurality of base stations by a mobile station. The location of the mobile station is estimated according to TOA (Time-Of-Arrival) and TDOA (Time Difference-Of-Arrival) measurements calculated based on the signals.

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patent: 2005/0148346 (2005-07-01), Maloney et al.
patent: 530508 (2003-05-01), None

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