Digital signal reception system

Details Digital signal reception system Digital signal reception system

1980-02-04

1982-03-16

Ng, Jin F.

Pulse or digital communications

Spread spectrum

Direct sequence

455307, H04B 110

Patent

active

043205232

ABSTRACT:
The error rate performance of a digital radio system which is deteriorated due to inband interference components can be effectively improved by adopting the present digital signal reception technique. According to the present invention, a narrow band band-elimination filter removes the interference, and after the digital signal is regenerated, the spectrum, which is removed by said band-elimination filter, is recovered from the regenerated digital signal. The recovered digital signal is added to the original one, and is applied to the regenerator. Thus, even though an interference component interfers with the digital signal in the same pass-band, said interference component is removed by the present invention and one can obtain the digital signal without the interference component.

REFERENCES:
patent: 3737799 (1973-06-01), Stander
patent: 3902014 (1975-08-01), Lindell
patent: 3932818 (1976-01-01), Masak
patent: 4085368 (1978-04-01), Yeh
patent: 4123625 (1978-10-01), Chow
patent: 4130806 (1978-12-01), Van Gerwen
Equalization Design for a 600 MBD Quantized Feedback PCM Repeater, by B. Gibson, IEEE Transactions on Communications, vol. COM-27, No. 1, Jan. 1979, pp. 134-141.

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