Blind SNR estimation for OFDM signals in cognitive radio

Blind SNR estimation for OFDM signals in cognitive radio

The traditional blind SNR estimation algorithms had problems of poor performance and high computation complexity for OFDM systems in cognitive radio with low signal to noise ratio(SNR)and multi-path channel conditions,in view of which a novel blind SNR estimation method for orthogonal frequency divi...

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Bibliographic Details
Main Authors: Ming-qian LIU, Bing-bing LI, Ning-jie TANG, Zhao LI
Format: Article
Language:zho
Published: Editorial Department of Journal on Communications 2011-11-01
Series:Tongxin xuebao
Subjects:
cognitive radio
orthogonal frequency division multiplexing
parameter estimation
channel order
autocorrelation function
Online Access:http://www.joconline.com.cn/zh/article/doi/1000-436X(2011)11-0078-07/
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http://www.joconline.com.cn/zh/article/doi/1000-436X(2011)11-0078-07/

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