TCM好码的结构分析及构造
doi: 10.3724/SP.J.1146.2005.01303
The Structure Analysis and Construction of Good TCM Codes
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摘要: TCM(Trellis Coded Modulation)好码的具体结构多种多样，该文从网格图的角度分析了TCM好码可能的结构。并应用分析结果构造了一种TCM好码的构造算法。它不仅缩小了所搜范围，提高了搜索效率，而且得到的结果性能较好。
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关键词:
- TCM;卷积码;网格图
Abstract: There are various structures of good TCM codes. And based on the trellis map, the most possible structure of good TCM codes is analyzed. From the results, a construction algorithm is then designed. Since the searching space is greatly reduced, this method has higher efficiency and can produce codes of high performance compared with the classic algorithm. -
Ungerboeck G. Trellis-coded modulation with redundant signal sets part I: Introduction. IEEE Communications Magazine, 1987, 25(2): 5-11.[2]Ungerboeck G. Trellis-coded modulation with redundant signal sets part II: State of the art[J].IEEE Communications Magazine.1987, 25(2):12-21[3]Pietrobon S S and Lafanechere A, et al.. Trellis-coded multidimensional phase modulation. IEEE Trans. on Information Thoery, 1990, IT-36(1): 63-89.[4]Porath J E and Aulin T. Algorithm construction of trellis code[J].IEEE Trans. on Communications.1993, 41(5):649-654[5]Larsen K J. Comment on An efficient algorithm for computing free distance. IEEE Trans. on Information Thoery, 1973, IT-19(4): 577-579.[6]Ungerboeck G. Channel coding with multilevel/phase signals. IEEE Trans. on Information Thoery, 1982, IT-28(1): 55-67. -
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