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Tradeoffs between Error Performance and Decoding Complexity in Multilevel 8-PSK Codes with UEP Capabilities and Multistage Decoding
Motohiko ISAKA Robert H. MORELOS-ZARAGOZA Marc P. C. FOSSORIER Shu LIN Hideki IMAI
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/08/25
Print ISSN: 0916-8508
Type of Manuscript: PAPER
Category: Coding Theory
multilevel codes, multistage decoding, tradeoffs, decoding complexity, error performance,
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In this paper, we investigate multilevel coding and multistage decoding for satellite broadcasting with moderate decoding complexity. An unconventional signal set partitioning is used to achieve unequal error protection capabilities. Two possibilities are shown and analyzed for practical systems: (i) linear block component codes with near optimum decoding, (ii) punctured convolutional component codes with a common trellis structure.