Radio receiver using level-variable reference, signal for discri

Details Radio receiver using level-variable reference, signal for discri Radio receiver using level-variable reference, signal for discri

1996-01-29

2000-07-25

Pham, Chi H.

Pulse or digital communications

Repeaters

Testing

375343, H04B 1500, H04K 100, H03D 104

Patent

active

06094451&

ABSTRACT:
A radio receiver apparatus for receiving a spread spectrum signal in which a signal derived through a level detection of a signal demodulated by a correlative demodulator and a signal obtained by extracting a signal component of a synchronous frequency from a reception synchronizing clock are combined to thereby generate a reference signal having a level which changes in accordance with change of the detected signal, and by comparing the detected signal with the reference signal, the received signal is discriminated.

REFERENCES:
patent: 5239496 (1993-08-01), Vancraeynest
patent: 5434893 (1995-07-01), Le Roy et al.
patent: 5491726 (1996-02-01), Cheng et al.
patent: 5500872 (1996-03-01), Kinney et al.
patent: 5687190 (1997-11-01), Tsao
patent: 5689816 (1997-11-01), Lee et al.

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