Pulse or digital communications – Receivers – Angle modulation
Reexamination Certificate
2006-11-22
2008-09-16
Ghayour, Mohammed (Department: 2611)
Pulse or digital communications
Receivers
Angle modulation
C375S261000, C375S279000, C375S281000, C375S298000, C375S308000, C329S304000, C332S103000, C370S206000
Reexamination Certificate
active
07426246
ABSTRACT:
Systems and methods for receiving layered modulation for digital signals are presented. An exemplary apparatus comprises a tuner for receiving a layered signal and producing a layered in-phase signal and a layered quadrature signal therefrom, an analog-to-digital converter for digitizing the layered in-phase signal and the layered quadrature signal and a processor for decoding the layered in-phase signal and the layered quadrature signal to produce one or more discrete layer signals.
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Chen Ernest C.
Furuya Tiffany S.
Hilmes Philip R.
Santoru Joseph
Ghayour Mohammed
The DIRECTV Group Inc.
Torres Juan Alberto
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