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Joint Source-Channel Coding Using Variable-Length Error-Correcting Codes | ||
| Journal of Engineering and Sustainable Development | ||
| Article 1, Volume 14, Issue 4, 2010, Pages 199-213 | ||
| Authors | ||
| Suha Kassim Hadi; Maher K. M. AlAzawi | ||
| Abstract | ||
| This paper explores the performance of both source coding and error-correction in a single coding step. Such joint source-channel coding is done here using codewords of varying lengths that have particular distance properties with each other, which allows error detection and correction. Hence, these codes are called Variable-Length Error-Correcting (VLEC) codes. These codes exhibit memory like convolutional codes but spatial memory according to the variable-length nature. These (VLEC) codes are used in image coding and show sub error performance over variable length source coding such as Huffman code. | ||
| Keywords | ||
| variable; Length Error; Correcting; Joint Source; Channel Coding; Greedy Algorithm; Majority voting algorithm; Heuristic algorithm; Modified Viterbi algorithm | ||
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