北京邮电大学学报

  • EI核心期刊

北京邮电大学学报 ›› 2004, Vol. 27 ›› Issue (3): 108-112.

• 论文 • 上一篇    下一篇

Nakagami衰落信道下AM-SR-ARQ系统的性能分析

吴军力, 侯晓林, 尹长川, 乐光新   

  1. 北京邮电大学电信工程学院, 北京100876
  • 收稿日期:2003-05-30 出版日期:2004-03-28
  • 作者简介: 吴军力(1976—), 男, 博士生. E-mail: cxwjl@126.com
    乐光新(1937—), 男, 博士生导师. E-mail: gxyue@bupt.edu.cn
  • 基金资助:
    国家自然科学基金重大研究项目(90104018); 国家自然科学基金项目(60172052,60002009); 国家“863计划”重大研究课题(2003AA12331004)

Analysis on AM-SR-ARQ in Nakagami Fading Channels

WU Jun-li, HOU Xiao-lin, YIN Chang-chuan, YUE Guang-xin   

  1. Telecommunication Engineering School, Beijing University of Posts andTelecommunications, Beijing 100876, China
  • Received:2003-05-30 Online:2004-03-28

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。

关键词: 自动重传请求, 自适应调制, 吞吐量, Nakagami衰落

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.

Key words: automatic repeat request, adaptive modulation, throughput, Nakagami fading channel

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