| 扫相空时比特交织编码调制研究 |
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| 引用本文： | 黄韬,袁超伟,杨睿哲,丁义. 扫相空时比特交织编码调制研究[J]. 北京邮电大学学报, 2007, 29(1): 32-35 |
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| 作者姓名： | 黄韬 袁超伟 杨睿哲 丁义 |
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| 作者单位： | 北京邮电大学,通信网络综合技术研究所,北京,100876 |
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| 摘 要： | 提出了扫相空时比特交织编码调制(PS-ST-BICM)方案，通过扩展扫相矩阵维数，使得相邻码矩阵之间存在一定的相关性，从而获得了更高的时间分集增益，可有效地抵抗块衰落引起的突发错误. 给出了系统最优旋转矩阵的设计准则，以此获得最大化的分集增益和编码增益. 从理论上分析了新方案的Singleton界和误码率性能. 仿真结果表明，在Rayleigh块衰落信道下新方案性能有很大改善.
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| 关 键 词： | 比特交织编码调制 扫相 块衰落 |
| 文章编号： | 1007-5321（2007）01-0032-04 |
| 收稿时间： | 2006-01-16 |
| 修稿时间： | 2006-01-16 |
Study on Phase Sweep Space-time Bit Interleave Coded Modulation |
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| HUANG Tao,YUAN Chao-wei,YANG Rui-zhe,DING Yi. Study on Phase Sweep Space-time Bit Interleave Coded Modulation[J]. Journal of Beijing University of Posts and Telecommunications, 2007, 29(1): 32-35 |
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| Authors: | HUANG Tao YUAN Chao-wei YANG Rui-zhe DING Yi |
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| Affiliation: | School of Telecommunication and Network Technology, Beijing University of Posts and Telecommunications,
Beijing 100876, China |
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| Abstract: | A phase-sweeping space-time bit interleave coded modulation(PS-ST-BICM) is presented.By expanding the dimensions of sweeping matrix,the correlation was achieved between the adjacent code matrices,and thereby the higher temporal diversity gain was realized which effectively avoided possible burst errors in block fading channels.The optimum design criterion of the rotation matrix was proposed to maximize both diversity and coding gain.Then the Singleton bound and BER performances were theoretically analyzed.The simulation results proved that the performance of the new scheme was improved greatly in the Rayleigh block fading channels. |
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| Keywords: | bit interleave coded modulation phase sweeping block fading channel |
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