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Bit-Wise Unequal Error Protection for Variable-Length Block Codes With Feedback
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Date
2013-03-01
Author
Nakiboğlu, Barış
Zheng, Lizhong
Coleman, Todd P
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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The bit-wise unequal error protection problem, for the case when the number of groups of bits is fixed, is considered for variable-length block codes with feedback. An encoding scheme based on fixed-length block codes with erasures is used to establish inner bounds to the achievable performance for finite expected decoding time. A new technique for bounding the performance of variable-length block codes is used to establish outer bounds to the performance for a given expected decoding time. The inner and the outer bounds match one another asymptotically and characterize the achievable region of rate-exponent vectors, completely. The single-message message-wise unequal error protection problem for variable-length block codes with feedback is also solved as a necessary step on the way.
Subject Keywords
Unequal Error Protection(UEP)
,
Feedback
,
Variable-Length communication
,
Block codes
,
Error exponents
,
Burnashev’s exponent
,
Yamamoto-Itoh scheme
,
Kudryashov’s signaling
,
Errors-and-Erasures decoding variable length block coding
,
Discrete memoryless channels (DMCs)
URI
https://hdl.handle.net/11511/37035
Journal
IEEE TRANSACTIONS ON INFORMATION THEORY
DOI
https://doi.org/10.1109/tit.2012.2227671
Collections
Department of Electrical and Electronics Engineering, Article
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Bit-wise unequal error protection problem with two layers is considered for variable length block-codes with feedback. Inner and outer bounds are derived for achievable performance for finite expected decoding time. These bounds completely characterize the error exponent of the special bits as a function of overall rate R, overall error exponent E and the rate of the special bits R-s. Single message Message-wise unequal protection problem is also solved as a step on the way.
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BibTeX
B. Nakiboğlu, L. Zheng, and T. P. Coleman, “Bit-Wise Unequal Error Protection for Variable-Length Block Codes With Feedback,”
IEEE TRANSACTIONS ON INFORMATION THEORY
, pp. 1475–1504, 2013, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/37035.