Abstract
Slepian and Wolf [2] gave a characterization for the compression region of distributed correlated sources. Their result is for codes with a decoding probability of error approaching zero as the code length is increased. Of interest in many applications is to find codes for which the probability of error is exactly zero. For this latter case, block codes using the zero-error information between the sources have been proposed by Witsenhausen [3]. Better codes, however, can be obtained by further exploitation of the statistical dependency impeded in the correlation information. In this paper variable-length zero-error codes are proposed that are generally more efficient than Witsenhausen codes. A method for their construction is presented and an example demonstrating such construction with the achieved rate region are given.
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References
T. Cover and J. Thomas, Elements Of Information Theory, John Wiley, 1991
D. Slepian and J. Wolf, “Noiseless Coding of Correlated Information Sources”, IEEE Trans. Inform. Theory, Vol. IT-19, pp. 471–480, July 1973.
H. S. Witsenhausen,“The zero-error side information problem and chromatic numbers”, IEEE Trans. Inform. Theory, Vol. IT-22, pp. 592–593,1976.
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© 1997 Springer-Verlag Berlin Heidelberg
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Al Jabri, A.K., Al-Issa, S. (1997). Zero-error codes for correlated information sources. In: Darnell, M. (eds) Crytography and Coding. Cryptography and Coding 1997. Lecture Notes in Computer Science, vol 1355. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0024445
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DOI: https://doi.org/10.1007/BFb0024445
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