Delay detection demodulation system

Details Delay detection demodulation system Delay detection demodulation system

1998-02-26

2000-09-19

Chin, Stephen

Pulse or digital communications

Receivers

Interference or noise reduction

375349, 375330, 329304, 455137, H04L 102, H04L 2722, H04B 110, H04B 1702

Patent

active

061223336

ABSTRACT:
Disclosed is a delay detection demodulation system which has: a plurality of receiving systems; a plurality of instantaneous phase detecting circuits for detecting an instantaneous phase from the output of each of the plurality of receiving systems; a plurality of phase difference operating circuits for determining a phase difference in one symbol section from the output of each of the plurality of instantaneous phase detecting circuits; a combining circuit for combining the outputs of the plurality of operating circuits; a delay detection circuit for conducting error diffusion type delay detection after the combining of the combining circuit; and a demodulation logical circuit for conducting demodulation logical operation.

REFERENCES:
patent: 5465271 (1995-11-01), Hladik et al.
patent: 5553102 (1996-09-01), Jasper et al.
patent: 5621769 (1997-04-01), Wan et al.

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