Telecommunications – Carrier wave repeater or relay system – Portable or mobile repeater
Patent
1998-04-03
2000-01-11
Nguyen, Lee
Telecommunications
Carrier wave repeater or relay system
Portable or mobile repeater
455426, 455502, 455552, 370350, 375356, H04B 719
Patent
active
06014548&
ABSTRACT:
A method and apparatus for facilitating detection of a synchronization signal generated by a satellite cellular network by a multi-mode radiotelephone. Once detected, the radiotelephone is synchronized to the synchronization signal. The radiotelephone is also operable pursuant to a terrestrial cellular communication network. Signals generated by the terrestrial cellular communication network inform the radiotelephone of the carrier upon which the synchronization signal is transmitted. Tuning of the radiotelephone to such carrier facilitates quick detection, and subsequent synchronization to, the synchronization signal.
REFERENCES:
patent: 5608722 (1997-03-01), Miller
patent: 5818814 (1998-10-01), Testani et al.
Balachandran Kumar
Wang Y-P Eric
Ericsson Inc.
Nguyen Lee
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