Pulse or digital communications – Receivers – Particular pulse demodulator or detector
Patent
1993-08-26
1996-03-19
Tse, Young T.
Pulse or digital communications
Receivers
Particular pulse demodulator or detector
375340, 375324, H03D 100, H04L 2714
Patent
active
055008771
ABSTRACT:
A receiver of a superpose modulated signal comprises: a symbol timing recovery circuit for receiving the superpose modulated signal and producing a symbol timing signal, the period of the symbol timing signal being the same as the period of the superpose modulated signal; a correlation signal generator for receiving the symbol timing signal and generating a correlation signal as ##EQU1## wherein B is an adjustable parameter, P is a predetermined maximum value and T refers to the symbol duration; a correlation multiplier for multiplying the superpose modulated signal by the correlation signal; and an integrator for integrating the output of the correlation multiplier for every symbol period.
REFERENCES:
patent: 4305150 (1981-12-01), Richmond et al.
patent: 4339724 (1982-07-01), Feher
patent: 4644565 (1987-02-01), Seo et al.
patent: 5151926 (1992-09-01), Chennakesku et al.
patent: 5283815 (1994-02-01), Chennakeshu et al.
patent: 5311544 (1994-05-01), Park et al.
patent: 5313494 (1994-05-01), Park
Luther William
Samsung Electronics Co,. Ltd.
Tse Young T.
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