Orthogonal frequency division multiplexing (OFDM) digital...

Details Orthogonal frequency division multiplexing (OFDM) digital... Orthogonal frequency division multiplexing (OFDM) digital...

2003-09-25

2011-11-29

Payne, David C. (Department: 2611)

Pulse or digital communications

Transceivers

C375S260000

Reexamination Certificate

active

08068536

ABSTRACT:
A digital radio frequency (RF) transceiver circuit comprises circuitry that is adapted to select between a transmitter input signal (148) and a receiver input signal. A plurality of filters are adapted to receive either the transmitter input signal or the receiver input signal and to produce either a filtered transmitter signal or a filtered receiver signal. Circuitry alternatively receives the filtered transmitter signal or the filtered receiver signal and produces a modulated output and a demodulated output.

REFERENCES:
patent: 6466613 (2002-10-01), Raphaeli et al.
patent: 6975691 (2005-12-01), Shiraishi
patent: 2002/0101825 (2002-08-01), Beck et al.
patent: 2002/0109825 (2002-08-01), Gui et al.
patent: 2003/0058952 (2003-03-01), Webster et al.
Search Report Dated Jan. 24, 2004.

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