Mobile satellite radiotelephone systems and methods including mo

Details Mobile satellite radiotelephone systems and methods including mo Mobile satellite radiotelephone systems and methods including mo

1997-08-29

2000-06-27

Bost, Dwayne D.

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

455 121, H04Q 720

Patent

active

060817097

ABSTRACT:
Direct, single hop narrow band TDMA radiotelephone communications among mobile satellite radiotelephones is provided via a satellite, while also providing reception of wide band TDMA radiotelephone communications from other telephone systems and/or among the satellite radiotelephones via a gateway and satellite, by providing TDMA bandwidth conversion in the mobile radiotelephones themselves. By relieving the satellite of the need to perform TDMA bandwidth conversion, the size, weight and/or power consumption of the satellite may be reduced.

REFERENCES:
patent: 4752925 (1988-06-01), Thompson et al.
patent: 5539703 (1996-07-01), Dent
patent: 5633891 (1997-05-01), Rebec et al.
patent: 5640386 (1997-06-01), Wiedeman, II
patent: 5758261 (1998-05-01), Wiedeman, I
patent: 5943324 (1999-08-01), Ramesh et al.
First Written Opinion, PCT/US98/17904, Jun. 10, 1999.
International Search Report, PCT/US98/17904, Jan. 27, 1999.

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