Satellite payload with integrated transparent channels

Details Satellite payload with integrated transparent channels Satellite payload with integrated transparent channels

1995-11-21

1999-10-05

Vo, Nguyen

Telecommunications

Carrier wave repeater or relay system

Portable or mobile repeater

455 22, 455103, H04B 7185

Patent

active

059638451

ABSTRACT:
A satellite payload having d transparent channels, a first plurality d of band-pass channel filters IMUX of bandwidth .delta. that filter received signals, frequency converters, a plurality k of channel amplifiers (k.gtoreq.d), power amplifiers and a second plurality p of channel filters OMUX that filter the signals amplified by the channel amplifiers and the power amplifiers, d amplifiers assigned to said d channels, the frequency converters including at least one mixer and at least one source of a conversion frequency signal, wherein the g band-pass channel filters IMUX filter the received signals before frequency conversion by the converters.

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patent: 5613197 (1997-03-01), Copeland et al.
Shigekazu Hori, "GaAs Monolithic MIC's for Direct Broadcast Satellite Receivers", 1983 IEEE, pp. 1089-1096.
H. Gaugig et al, "Das Repater-Unersystem der Nutzlast des FS Kopernikus", Ant Nachrichtentechnische Berichte, No. 7, Oct. 1990, Backnang, DE; pp. 31-41, XP234665.
L. Friederichs, "Die Nutzlast des DFS-Kopernikus-Raumsegments", Ant Nachrichtentechnische Berichte, No. 7, Oct. 1990, Backnang, DE; pp. 23-30, XP234664.
F. Ananasso et al, "On-Board Technologies for User-Oriented SS-FDMA Satellite Systems", IEEE International Conference on Communications, vol. 1, Jun. 1987, Seattle US, pp. 244-248.
C. Loo et al, "Double-Hop on Board Signal Processing Using Olympus", IEEE Globecom Conference, vol. 1, Dec. 1993, Houston, US, pp. 599-603.

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