Combiner with phase and delay correction

Details Combiner with phase and delay correction Combiner with phase and delay correction

1998-03-13

2000-11-21

Hunter, Daniel S.

Telecommunications

Carrier wave repeater or relay system

Portable or mobile repeater

455 133, 4551911, 4552422, 455344, 359191, H04B 7135, H04B 117, H04B 106, H04B 1006

Patent

active

061514810

ABSTRACT:
A combining technique for coherently combining signals transmitted from a moving satellite that are received by separate antennas. The combining technique corrects for differential delays that are large enough to cause misalignments in the symbols of the communication signal as well as the phase of the signal. Further the combining technique tracks changes in the differential delay, keeping the phase and the symbols properly aligned for combining.

REFERENCES:
patent: 4752969 (1988-06-01), Rilling
patent: 5025485 (1991-06-01), Csongor et al.
patent: 5263180 (1993-11-01), Hirayama et al.
patent: 5761613 (1998-06-01), Saunders et al.
patent: 5933466 (1999-03-01), Oshima et al.

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