Cellular telecommunications network

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

Reexamination Certificate

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Details

C455S456200, C370S335000

Reexamination Certificate

active

06882852

ABSTRACT:
Cellular telecommunication network includes a plurality of base stations, together with a plurality of positioning elements. In order to determine the position of mobile station, positioning signals are transmitted from positioning element and can be detected by mobile station. By detecting the time of arrival of the positioning signals, the network can determine the position of mobile station.

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patent: 5600706 (1997-02-01), Dunn et al.
patent: 5701328 (1997-12-01), Schuchman et al.
patent: 5765112 (1998-06-01), Fitzgerald et al.
patent: 6201803 (2001-03-01), Munday et al.
patent: 6667963 (2003-12-01), Rantalainen et al.
patent: 0 568 824 (1993-11-01), None
patent: 9626591 (1996-08-01), None

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