MF-TDMA telecommunication system and a terminal therefor

Details MF-TDMA telecommunication system and a terminal therefor MF-TDMA telecommunication system and a terminal therefor

2005-05-10

2005-05-10

Ho, Duc (Department: 2665)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S319000, C370S321000

Reexamination Certificate

active

06891814

ABSTRACT:
A multiple frequency time division multiple access digital telecommunication system, in particular a transparent satellite telecommunication system, includes terminals and a base station. Calls can be effected in star mode, via the base station, or in meshed mode, directly between the terminals, which are divided into two groups. The frequency band allocated to the system is divided into two parts, comprising a first part for sending by the first group and a second part for sending by the second group. Each part of the frequency band is divided into two sub-bands. The central sub-bands are used for meshed sending, the end sub-bands are used for star sending, and the two central sub-bands are also used for meshed reception by both groups of terminals.

REFERENCES:
patent: 5073900 (1991-12-01), Mallinckrodt
patent: 5812545 (1998-09-01), Liebowitz et al.
patent: 6160994 (2000-12-01), Wiedeman
patent: 197 04 907 (1997-07-01), None
patent: 199 19 513 (2000-11-01), None

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