Iterative viterbi algorithm for concatenated multidimensional TCM

被引:9
作者
Wang, Q
Wei, L
机构
[1] Univ S Australia, Inst Telecommun Res, Adelaide, SA 5001, Australia
[2] Univ Wollongong, Sch Elect Comp & Telecommun, Wollongong, NSW 2500, Australia
关键词
iterative Viterbi algorithm; multidimensional TCM; parity-concatenated trellis code;
D O I
10.1109/26.975736
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A novel compound code is designed for the popular multidimensional (M-D) Wei trellis code [1] combined with a simple parity-check code. Using the iterative Viterbi decoding algorithm, we can achieve a remarkable performance improvement with low computational complexity. Simulation results show that at a bit error rate (BER) of 3.7 x 10(-6) about 2.2-dB additional net gain has been obtained over the conventional scheme of the 4-D 16-state NVei code at a spectral efficiency of 6.7871 bit/T.
引用
收藏
页码:12 / 15
页数:4
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