Reduced complexity DMT/OFDM transceiver

Details Reduced complexity DMT/OFDM transceiver Reduced complexity DMT/OFDM transceiver

2006-01-24

2006-01-24

Ho, Duc (Department: 2665)

Multiplex communications

Generalized orthogonal or special mathematical techniques

Fourier transform

C370S208000, C708S404000

Reexamination Certificate

active

06990062

ABSTRACT:
A DMT/OFDM transceiver wherein communication occurs between stations in the form of symbols distributed and transmitted in channels which are allocated when making a link between the stations, each channel supporting a number of bits depending on the spectral response of the link when established. Instead of providing separate modules for performing iFFT's and FFT's, the transceiver has only a single FFT, or iFFT which operates on real and imaginary parts of the data stream; the outputs of the FFT or iFFT being supplied to a post processing stage where simultaneous equations having real and imaginary terms for the transmit and receive data, are solved in order to separate the transmit and receive data.

REFERENCES:
patent: 5790514 (1998-08-01), Marchok et al.
patent: 5862182 (1999-01-01), Awater et al.
patent: 5995483 (1999-11-01), Marchok et al.
patent: 6169723 (2001-01-01), Fertner et al.

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