Quantizer that uses optimum decision thresholds

Details Quantizer that uses optimum decision thresholds Quantizer that uses optimum decision thresholds

H - Electricity

03

M

H03M 1/18 (2006.01) H03M 1/10 (2006.01) H04L 25/06 (2006.01)

Patent

CA 2256067

A quantizer that adaptively determines a value of an optimum threshold for quantizing an analog signal to minimize the overall quantizing error rate by observing signal strengths of said analog signal. It comprises a histogram generator that generates histograms that indicate said signal strengths of said analog signal, an optimum reconstruction level generator that uses said histograms to generate optimum reconstruction levels by determining minimum mean squared errors; and an optimum decision threshold generator that uses said optimum reconstruction levels to generated optimum decision thresholds by determining the average of said optimum reconstruction levels.

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