Receivers and demodulators for TDMA and other modulated systems

Details Receivers and demodulators for TDMA and other modulated systems Receivers and demodulators for TDMA and other modulated systems

2006-10-25

2008-09-16

Tran, Khanh C. (Department: 2611)

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

C375S350000

Reexamination Certificate

active

07426248

ABSTRACT:
Receiver network for receiving a first filtered modulated transmitted signal in a first RF band and a second modulated transmitted signal in a second RF band and for providing received signals to one or more demodulators. A demodulator and baseband filter for demodulating and filtering the first filtered modulated received signal and for providing filtered demodulated baseband signal by a baseband filter mis-matched to the filter of the first filtered modulated transmitted signal and demodulating the second modulated signal providing a demodulated baseband signal and a selector for selecting either the first or the second demodulated baseband signal. A receiver and demodulation system receiving a first TDMA modulated signal having a first bit rate and for receiving a second modulated signal having a second bit rate and for providing the received signals to a one or more demodulators and for providing cross-correlated demodulated in-phase and quadrature-phase baseband signals and demodulating the second bit rate modulated signal and providing a demodulated baseband signal.

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