| Nakagami衰落信道下AM-SR-ARQ系统的性能分析 |
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| 引用本文： | 吴军力,侯晓林,尹长川,乐光新. Nakagami衰落信道下AM-SR-ARQ系统的性能分析[J]. 北京邮电大学学报, 2004, 27(3): 108-112 |
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| 作者姓名： | 吴军力 侯晓林 尹长川 乐光新 |
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| 作者单位： | 北京邮电大学电信工程学院, 北京100876 |
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| 基金项目： | 国家自然科学基金，国家自然科学基金，国家高技术研究发展计划(863计划) |
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| 摘 要： | 研究了结合自适应调制的选择重传自动重传请求系统(AM-SR-ARQ)在Nakagami衰落信道下的性能,推导出吞吐量的一般表达式。理论分析和数值计算结果表明,结合自适应调制的ARQ系统可以对抗衰落,其吞吐量性能要优于普通的调制方式固定的ARQ系统。
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| 关 键 词： | 自动重传请求 自适应调制 吞吐量 Nakagami衰落 |
| 文章编号： | 1007-5321(2004)03-0108-05 |
| 收稿时间： | 2003-05-30 |
| 修稿时间： | 2003-05-30 |
Analysis on AM-SR-ARQ in Nakagami Fading Channels |
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| WU Jun-li,HOU Xiao-lin,YIN Chang-chuan,YUE Guang-xin. Analysis on AM-SR-ARQ in Nakagami Fading Channels[J]. Journal of Beijing University of Posts and Telecommunications, 2004, 27(3): 108-112 |
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| Authors: | WU Jun-li HOU Xiao-lin YIN Chang-chuan YUE Guang-xin |
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| Affiliation: | Telecommunication Engineering School, Beijing University of Posts andTelecommunications, Beijing 100876, China |
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| Abstract: | The scheme of selective repeat automatic repeat request (SR-ARQ) with adaptive modulation (AM) systems was discussed. And the throughput expression was derived. Theoretic analysis and numerical calculation show that ARQ combined with AM will have a better performance than that of conventional ARQ schemes even if in different Nakagami fading channels. |
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| Keywords: | automatic repeat request adaptive modulation throughput Nakagami fading channel |
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