应用于卫星通信的HARQ吞吐量分析  

Analysis of the Throughput of HARQ in Satellite Communication System

作　　者：张忠超[1] 吴久银[2] 

机构地区：[1]解放军理工大学通信工程学院研究生4队,江苏南京210007 [2]解放军理工大学通信工程学院卫星通信系

出　　处：《军事通信技术》2011年第2期66-72,共7页Journal of Military Communications Technology

摘　　要：HARQ是基于ARQ与FEC的不足而提出的一种新的差错控制方式,作为3G的核心技术之一,对提高数据的可靠性、有效性起到了重要的作用,但在卫星通信环境下,HARQ技术并没有得到深入研究。文中主要基于卫星通信环境,对Ⅱ型和Ⅲ型HARQ在误帧率,平均传输次数,有效通过率以及系统吞吐量方面进行比较分析,得出针对不同业务选择HARQ的依据,为其今后在卫星通信中进一步应用提供必要的参考依据。Because of the shortage of the ARQ and FEC, people have advanced a new pattern of error-control-HARQ. The application of HARQ technique is successful in 3G mobile communi- cation system and plays an important role in the reliability and efficiency of data transmission. The research of this technique is not in-depth in satellite communication system. This paper mainly compares HARQ II with HARQ ~ in frame-error,average number of transmission,efficiency goodput and throughput basis on satellite communication system to provide a reference for applying this technique in satellite communication.

关 键 词：混合自动请求重传 卫星通信 吞吐量 

分 类 号：TN911[电子电信—通信与信息系统]