Apparatus and method for detecting signals

Details Apparatus and method for detecting signals Apparatus and method for detecting signals

1994-11-02

1995-11-07

Eisenzopf, Reinhard J.

Telecommunications

Receiver or analog modulated signal frequency converter

Measuring or testing of receiver

455229, 375343, H04B 1700

Patent

active

054654050

ABSTRACT:
A circuit to improve the sensitivity of a receiver by more than 3 dB. According to the invention, conventional predetection integrators are replaced by a circuit to compute the correlation of the received signal with a delayed version of the received signal. The time delay is selected such that the noise in the signal and the delayed signal are statistically independent.

REFERENCES:
patent: 4038540 (1977-07-01), Roberts
patent: 4064361 (1977-12-01), Kustka et al.
patent: 4965759 (1990-10-01), Uchida et al.
Hagiwara et al. "Electronics and Communication in Japan" vol. 67-B, No. 10, pp. 66-74, May 1984.

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