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Encoding of analog signals for binary symmetric channels

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3 Author(s)

Various encoding schemes are examined from the point of view of minimizing the mean magnitude error of a signal caused by transmission through a binary symmetric channel. A necessary property is developed for optimal codes for any binary symmetric channel and any set of quantization levels. The class of optimal codes is found for the case where the probability of error is small but realistic. This class of codes includes the natural numbering and some unit distance codes, among which are the Gray codes.

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Information Theory, IEEE Transactions on  (Volume:12 ,  Issue: 4 )