Mobile military satellite receiver architecture for...

Details Mobile military satellite receiver architecture for... Mobile military satellite receiver architecture for...

2008-04-22

2008-04-22

Trinh, Tan (Department: 2618)

Telecommunications

Wireless distribution system

Receiver for satellite broadcast

C455S012100, C455S427000

Reexamination Certificate

active

10821486

ABSTRACT:
A coarse carrier offset adapter for determining a coarse carrier offset for application to a received satellite signal, a method of performing coarse carrier offset adjustment and a time division multiplexing (TDM) satellite receiver. In one embodiment, the adapter includes: (1) an energy estimator configured to analyze, with respect to the received satellite signal, energies in bands on either side of a baseband as displaced by a coarse carrier offset and (2) an offset adapter coupled to the energy estimator and configured to change the coarse carrier offset until the energies become substantially equal and provide the coarse carrier offset to a digital down converter for the application.

REFERENCES:
patent: 6697439 (2004-02-01), Trivedi et al.
patent: 6985093 (2006-01-01), Jaffe et al.
patent: 7139340 (2006-11-01), Scarpa
patent: 7180892 (2007-02-01), Tackin
patent: 2005/0079838 (2005-04-01), Li et al.
patent: 2005/0079850 (2005-04-01), Chen et al.
patent: 2005/0174983 (2005-08-01), Naguleswaran et al.
Agere Systems/Sirius Satellite Radio-Proprietary—“Sirius Satellite Radio Satellite Digital Audio Radio Service (SDARS) System Architecture Document and Receiver Functional Specification,” Rev. 1.3, May 1, 2002.

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