| OFDM系统中MMSE与LS信道估计算法的比较研究 |
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| 引用本文： | 陈明举.OFDM系统中MMSE与LS信道估计算法的比较研究[J].四川理工学院学报(自然科学版),2009,22(2). |
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| 作者姓名： | 陈明举 |
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| 作者单位： | 四川理工学院自动化与电子信息学院,四川,自贡,643000 |
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| 摘 要： | 文章介绍了OFDM系统中插入导频的LS信道估计与MMSE信道估计两种算法,通过试验仿真说明了MMSE信道估计算法对系统性能的提升要优于LS信道估计算法,但MMSE信道估计算法的计算量大于LS信道估计算法。
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| 关 键 词： | 正交频分复用技术 最小均方误差估计 最小平方法 |
Research of MMSE and LS Channel Estimation in OFDM Systems |
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| CHEN Ming-ju.Research of MMSE and LS Channel Estimation in OFDM Systems[J].Journal of Sichuan University of Science & Engineering:Natural Science Editton,2009,22(2). |
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| Authors: | CHEN Ming-ju |
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| Institution: | School of Automation and Electronic Information;Sichuan University of Science & Engineering;Zigong 643000;China |
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| Abstract: | This paper introduced the MMSE and LS of pilot based channel estimation in the OFDM system,the experiment shows that the MMSE channel estimation algorithm is superior to the LS channel estimation algorithm in improvement of the system,but the MMSE algorithm has more complicated algorithm. |
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| Keywords: | OFDM MMSE LS |
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