Limiter based analog demodulator

Details Limiter based analog demodulator Limiter based analog demodulator

2009-06-22

2010-10-12

Puente, Eva Y (Department: 2611)

Pulse or digital communications

Receivers

Angle modulation

C375S232000, C375S229000, C375S350000, C375S244000, C370S442000, C370S354000, C370S503000, C348S614000, C348S607000

Reexamination Certificate

active

07813452

ABSTRACT:
A phase detector includes a decimator to decimate a digitized in-phase signal and a digitized quadrature signal to N times a symbol rate, where N is an integer greater than one. A burst detector to detect bursts in an output of the decimator. A carrier offset block to determine an offset angle based on an output of the burst detector. A rotator to generate a rotated signal by rotating the output of the decimator based on the offset angle determined by the carrier offset block. An equalizer to perform coherent demodulation of the rotated signal.

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Notification of Transmittal of the International Search Report and The Written Opinion of The International Searching Authority, or the Declaration dated Jun. 6, 2008 in reference to PCT/US2006/01898.

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