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TH-PPM UWB Systems with Space-time Diversity Based on Blind Channel Estimation Using First-oder Statistics
Pages: 93-96
Year: Issue:  17
Journal: Video Engineering

Abstract: 首先利用一种空时分集结构提出一种多入多出超宽带系统收发信机模型,并给出相应的信号检测方法.然后,利用脉位调制信号结构导致的接收信号一阶统计量循环平稳特性,提出一种适用于系统且没有估计模糊度问题的低复杂度盲信道估计方法.仿真结果表明,提出的盲信道估计方法由于复杂度低且没有估计模糊度,给接收机的信号检测提供了准确的信道状态信息.提出的超宽带多入多出系统由于获得了时间分集和空间分集,不论在完美信道下还是...
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