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粒子滤波在单载波频域均衡系统中的应用

Application of particle filter in the single carrier frequency-domain equalization
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摘要 为了提高通信系统性能,采用粒子滤波方法对单载波频域均衡系统(SC-FDE)进行信道估计.文中阐述了单载波频域均衡系统及粒子滤波原理.在此基础之上,将粒子滤波的方法应用到单载波频域均衡系统的信道估计中去,并且给出应用步骤.由于该方法不用添加训练序列,因此提高了传输效率,降低了系统开销.最后,将粒子滤波方法和已有信道估计方法进行仿真对比,验证提出算法的优越性. The particle filter algorithm is applied to channel estimate of single carrier frequency domain equalization（SC-FDE） in order to improve the performance of communication system.Firstly,the generic ideas of SC-FDE system and particle filter theory are given.Secondly,based on this above mentioned,the particle filter algorithm is applied to channel estimate of SC-FDE system.Moreover,application steps are given too.Because this method does not need to add training sequence,it improves transmission efficiency and reduces system overhead.Finally,the particle filter algorithm and channel estimate algorithm are simulated and contrasted,verifying superiority of the proposed algorithm.
作者 安澄全 张宗迟 孔博睿
机构地区 哈尔滨工程大学信息与通信工程学院 中国联合网络通信有限公司黑龙江省分公司
出处 《应用科技》 CAS 2011年第6期12-15,共4页 Applied Science and Technology
基金 国家自然科学基金资助项目(61074076) 中央高校基本科研业务费专项资金资助项目(HEUCF100826) 哈尔滨工程大学研究生培养基金资助项目
关键词 粒子滤波 单载波频域均衡 信道估计 particle filter algorithm single carrier frequency domain equalization channel estimate
分类号 TN929.5 [电子电信—通信与信息系统]
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2011年 第6期

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