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基于梳状导频的内插信道估计算法仿真研究

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摘要 讨论了OFDM系统中基于梳状导频的信道估计算法,并着重分析比较了3种内插方法——线性内插、低通内插及变换域内插,利用MATLAB对系统进行仿真。仿真结果表明:线性内插最容易实现,但性能较差;低通内插性能较好但实现复杂;变换域内插的性能介于前两者之间。
作者 翟绍思
出处 《数字通信》 2011年第3期66-68,共3页 Digital Communications and Networks
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  • 1刘钧雷,叶芳,朱琦.OFDM系统中基于导频的信道估计[J].重庆邮电学院学报(自然科学版),2004,16(4):17-20. 被引量:26
  • 2程云鹏,张凯院,徐仲.矩阵论[M].西安:西北工业大学出版社,2006.
  • 3[2]BEEK J J van de,EDFORS O,SANDELL M,et al.On channel estimation in OFDM systems[EB/OL].(1995-09-24)[2006-12-01].http://www.sm.luth.se/csee/sp/research/conference/On_Channel_Est_in_OFDM_Syst.pdf.
  • 4[3]COTTER Shane F,RAO Bhaskar D.Sparse channel estimation via Matching pursuit with application to equalization[J].IEEE Trans.on Commun.,2002,50 (3):374-377.
  • 5[4]COTTER S F.Forward sequential algorithms for best basis selection[J].IEE Proc.On Vision,Image and Signal Processing,1999,146(5):235-244.
  • 6[5]RAGHAVENDRA M R,GIRIDHAR K.Improving channel estimation in OFDM systems for sparse multipath channels[J].IEEE Signal Processing Letters,2005,12 (1):52-55.
  • 7Wolniansky P W,Foschini G J,Golden G D,et al.V-BLAST:an architecture for realizing very high data rates over the rich-scattering wireless channel.In:Proceedings of the 1998 IEEE International Symposium on Signals,Systems,and Electronics,Pisa,Italy,1998.295-300.
  • 8Driessen P F,Foschini G J.On the capacity formula for multiple input-multiple output wireless channels:a geometric interpretation.IEEE Transactions on Communications,1999,47(2):173-176.
  • 9Xie Y Z,Georghiades C N.Two EM-type channel estimation algorithms for OFDM with transmitter diversity.IEEE Transactions on Communications,2003,51(1):106-115.
  • 10Dong X D,Lu W S,Soong A C K.Linear interpolation in pilot assisted channel estimation for OFDM.IEEE Transactions on Wireless Communications,2007,6(5):1910-1920.

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