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应用于循环延迟分集的信道估计算法

A Channel Estimation Algorithm for Cyclic Delay Diversity
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摘要 针对循环延迟分集(CDD)时延设置的矛盾,提出了一种新的应用于CDD的信道估计方法,在不同导频符号使用不同的循环延迟,导频符号和数据符号使用不同的循环延迟,较大程度地消除了分集增益对时延设置的敏感性. Based on the dilemma of delay value in cyclic delay diversity （CDD）, a new transmission scheme based on CDD and its channel estimation method is presented. Delay values are different among symbols with pilot. Those symbols with pilot and symbols with data are different too. With the new channel estimation algorithm, the cyclic delay diversity is robust to the delay value.
作者 龙航 赵慧 苏健 王文博
机构地区 北京邮电大学电信工程学院
出处 《北京邮电大学学报》 EI CAS CSCD 北大核心 2007年第5期112-116,共5页 Journal of Beijing University of Posts and Telecommunications
基金 国家"863计划"项目(2006AA01Z257) 国家自然科学基金项目(60572120 60602058)
关键词 循环延迟分集 多媒体广播组播业务 公用导频 cyclic delay diversity multimedia broadcast and multicast service common pilot
分类号 TN929.53 [电子电信—通信与信息系统]
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参考文献9

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共引文献69

北京邮电大学学报
2007年 第5期

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