Methods and apparatus for predicting voice quality in AMPS cellu

Details Methods and apparatus for predicting voice quality in AMPS cellu Methods and apparatus for predicting voice quality in AMPS cellu

1995-07-13

1998-01-20

Chin, Wellington

Pulse or digital communications

Testing

455 331, 455 671, H04B 346

Patent

active

057107912

ABSTRACT:
In methods and apparatus for assessing voice quality in AMPS cellular radio systems, a signal-to-noise ratio is estimated for a SAT signal of an RF channel, and the voice quality of the RF channel is inferred from the SAT signal-to-noise ratio.

REFERENCES:
patent: 5067171 (1991-11-01), Kawano
patent: 5175867 (1992-12-01), Wejke et al.
patent: 5193102 (1993-03-01), Meidan et al.

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