Method and apparatus for signal quality detection in a communica

Details Method and apparatus for signal quality detection in a communica Method and apparatus for signal quality detection in a communica

1994-12-23

1997-01-28

Chin, Stephen

Pulse or digital communications

Testing

370252, 371 48, 371 671, 375217, 375226, 375227, 375228, 375316, 455 673, 455218, 455222, 455223, 4552261, H04B 346

Patent

active

055984312

ABSTRACT:
A signal quality detector (200) determines the quality of an incoming received data signal within a communication device (100). The audio output of the communication device is muted and unmuted according to the decision of the signal quality detector (200). The signal quality detector (200) allows the threshold length of an invalid bit period (210), along with the number of invalid bit periods detected (220), to be used to vary the decision sensitivity of the detector.

REFERENCES:
patent: 4387461 (1983-06-01), Evans
patent: 4688234 (1987-08-01), Robinton
patent: 5297164 (1994-03-01), McCabe
patent: 5333153 (1994-07-01), Brown et al.
Publication ETSI-RES-30-Radio Equipment and Systems (RES) Common Air Interface Specification Jan. 31, 1994.

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