一种基于频域加窗的OFDM信道估计算法

被引:6
作者
唐恬
张治
张平
机构
[1] 北京邮电大学电信工程学院
关键词
正交频分复用; 信道估计; 加窗;
D O I
暂无
中图分类号
TN919.3 [数据传输技术];
学科分类号
摘要
该文分析了实际OFDM系统时域信道估计中的信道冲激响应(CIR)泄漏问题。提出了一种新的OFDM时域信道估计算法,利用频域加窗降低CIR泄漏,对CIR进行过门限判决,最大限度删除CIR中的噪声。在非整数采样多径衰落信道下与已有的OFDM时域信道估计算法进行了仿真对比,证明该算法有效降低了信道估计MSE值,改善了系统BER性能。
引用
收藏
页码:2930 / 2933
页数:4
相关论文
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