OFDM_SYSTEM

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Blind cancellation for frequency offset in OFDM system based on MCMA-RLS algorithm
《High Technology Letters》2011年第4期366-370,共5页Guan Qingyang Zhao Honglin Guo Qing 
Supported by the National Natural Science Foundation of China （No. 60532030）.
Modified constant modulus and recursive least squares （MCMA-RLS） algorithm is proposed to cancel interference caused by the variable frequency offset （FO） in the orthogonal frequency division multiplexing （OFDM）...
关键词：orthogonal frequency division multiplexing （OFDM） fxequency offset （FO） modified constantmodulus algorithm （MCMA） reeursive least squares （RLS） 
A novel Haar wavelet-based precoded BPSK-OFDM system with reduced PAPR
《High Technology Letters》2011年第1期25-31,共7页黄新林 Wang Gang Liao Quanrui Sun Qingquan 
The performance of OFDM systems may be degraded when intersymbol interference （ISI） channels have spectral nulls. Recently, the precoded OFDM was proposed to combat this problem. However, due to inserting （M- K） z...
关键词：peak-to-average power ratio （PAPR） Haar wavelet BPSK precoded OFDM. 
An efficient channel estimator for OFDM system with sparse multipath fading
《High Technology Letters》2009年第2期175-180,共6页张晴川 Shu Feng Sun Jintao 
Supported by the Starting Fund for Science Research of NJUST (AB41947);the Open Research Fund of National Mobile Communications Research Laboratory (N200609);Science Research Developing Fund of NJUST (XKF07023)
A channel estimator used in sparse muhipath fading channel for orthogonal frequency division multiplexing （OFDM） system is proposed. The dimension of signal subspace can be reduced to improve the performance of chan...
关键词：channel estimation sparse muhipath fading OFDM GAIC 
Complexity-reduced ICI cancellation for OFDM system over doubly-selective channels被引量：1
《High Technology Letters》2009年第2期181-186,共6页席晓平 Zhang Can 
Supported by the National Natural Science Foundation of China (No. 60573112)
In doubly-selective fading wireless channel, the conventional orthogonal frequency division multi-plexing （OFDM） receivers for inter-cartier interference （ICI） compensation require extensive computations. To obtai...
关键词：doubly-selective fading orthogonal frequency division multiplexing （OFDM） intercarrier interference （ICI） EQUALIZATION channel estimation 
The investigation on two-dimensional pilot-symbol-aided channel estimation method for OFDM system
《High Technology Letters》2008年第4期364-369,共6页孙居颖 Zhang Yanhua 
the High Technology Research and Development Programme of China(No.2002AA123041);the National Natural Science Foundation of China(No.90104013);Beijing Municipal Science &.Technology Commission(No.KM200610005018)
Channel estimation for orthogonal frequency division multiplexing （OFDM） system has attracteo widespread attention. In this paper, a novel efficient two-dimensional （2-D） channel estimation algorithm based on fast...
关键词：orthogonal frequency division multiplexing （OFDM） fast Fourier transfoml （FFF） channel estimation 
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