Method and apparatus to compensate for Doppler frequency shifts

Details Method and apparatus to compensate for Doppler frequency shifts Method and apparatus to compensate for Doppler frequency shifts

1996-08-29

1999-02-23

Issing, Gregory C.

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a satellite

455 121, H04B 7185

Patent

active

058749136

ABSTRACT:
In a satellite communication system (10, 30) with at least one ground based transmitter (12, 32), at least one ground based receiver (16, 36) and at least one communication satellite (14, 34), an earth-based receiver (16, 36) self-determines its Doppler correction factors using software algorithms which minimize the amount of hardware required and minimize the time required to acquire the signal.

REFERENCES:
patent: 3906364 (1975-09-01), Dobson
patent: 4001690 (1977-01-01), Mack et al.
patent: 5432521 (1995-07-01), Siwial et al.
patent: 5564098 (1996-10-01), Rodal et al.
patent: 5613193 (1997-03-01), Ishikawa et al.
patent: 5703595 (1997-12-01), Tayloe et al.
patent: 5729558 (1998-03-01), Mobin
patent: 5742908 (1998-04-01), Dent

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