| 基于MMSE的无线OFDM系统信道估计算法 |
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| 引用本文： | 隋吉生,赵亮,王圣达,付洋洋.基于MMSE的无线OFDM系统信道估计算法[J].东北电力学院学报,2014(6):77-79. |
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| 作者姓名： | 隋吉生 赵亮 王圣达 付洋洋 |
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| 作者单位： | 1. 吉林省电力有限公司,长春,130021
2. 东北电力大学 信息工程学院,吉林 吉林,132012 |
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| 摘 要： | OFDM作为一种多载波调制技术具有很强的抗衰落能力,广泛用于无线通信领域。同时提出一种基于最小均方误差（MMSE）的无线OFDM系统信道估计方法。实验表明,在相同信噪比（SNR）下,采用最小均方误差MMSE算法的误码率比传统的最小平方LS算法的误码率小1个数量级,采用MMSE算法有效地提高了无线OFDM系统信道估计性能。
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| 关 键 词： | 正交频分复用 信道估计 MMSE LS估计算法 |
Based on MMSE Channel Estimation Algorithm in Wireless OFDM System |
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| SUI Ji-sheng,ZHAO Liang,WANG Sheng-da,FU Yang-yang.Based on MMSE Channel Estimation Algorithm in Wireless OFDM System[J].Journal of Northeast China Institute of Electric Power Engineering,2014(6):77-79. |
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| Authors: | SUI Ji-sheng ZHAO Liang WANG Sheng-da FU Yang-yang |
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| Affiliation: | SUI Ji-sheng, ZHAO Liang, WANG Sheng-da, FU Yang-yang ( 1. Jilin Electric Power Corporation, Changchun 130021 ;2. Northeast Dianli University, School of Information Engineer,Jilin Jilin 132012) |
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| Abstract: | As a kind of multi-carrier OFDM modulation technology have a strong ability to resist fading,widely used in wireless communication field. In this paper,based on minimum mean square error（ MMSE） channel estimation algorithm of wireless OFDM system. Experimental results show that under the same signal-to-noise ratio（ SNR）,using the MMSE algorithm one order of magnitude smaller than LS algorithm ber. Proved the effectiveness of the MMSE channel estimation algorithm of wireless OFDM systemand. |
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| Keywords: | OFDM Channel estimation MMSE LS channel estimation |
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