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中文摘要：
重点研究了对比特交织空时编码及迭代译码系统（BI-STCM-ID）性能影响较大的标识映射方法,提出了给定区间最佳映射（DRO）的设计方法以及自适应标识映射集的思想.通过对各种映射方法特征参数及渐进BER性能限的分析,得出了瑞利衰落信道环境下决定BICM-ID以及BI-STCM-ID系统性能的关键参数,进而给出了标识映射设计的参考准则.
英文摘要：
Bit-Interleaved Space-Time Coded Modulation with Iterative Decoding （BI-STCM ID） has been considered as an attractive approach due to its significant performance improvement and high data rate, whereas relatively low decoding complexity. The labeling maps are studied as one of the crucial design parameters to achieve a high coding gain over the iterations. A defined region optimum symbol mapper （DRO） and adaptive labeling method are proposed in this paper. By analysis of Error Free Bound （EF Bound） and Character parameters of various labeling maps, key parameters are illustrated, which determine BER performance of BICM-ID and BI-STCMID. Design rules on the labeling maps are also presented in this paper.
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