HUT Communications Lab. / Timo O. Korhonen
37
PCM noise
characteristics for uniform quantization
and Gaussian channel noise
nTotal noise of the PCM system
consists of channel noise and quantization noise or
and the SNR is
and Sx=0.5 yields then the
following figure:nNote that PCM system maintains
solid quality until performance
drops dramatically
and the SNR is
nAssume
now polar signaling with
and Sx=0.5 yields then the
following figure:nNote that PCM system maintains
solid quality until performance
drops dramatically
