OFDM_SYSTEM

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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. 
Experimental implementation of an all-optical OFDM system based on time lenses被引量：1
《Chinese Optics Letters》2010年第3期275-277,共3页李源 李蔚 杨克成 乔耀军 梅君瑶 张欢 
supported by the National Basic Research Program of China(No.2010CB328300);the National Natural Science Foundation of China(No. 60772013);the Open Fund of Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications
Experimental implementations of continuous optical time domain Fourier transformation based on time lenses and optical orthogonal frequency-division multiplexing （OFDM） system are carried out. Such a system is verif...
关键词：Fourier analysis Lenses Optical communication Optical instruments Orthogonal frequency division multiplexing Orthogonal functions Telecommunication systems 
Resource allocation based on genetic algorithm for multi-hop OFDM system with non-regenerative relaying
《The Journal of China Universities of Posts and Telecommunications》2009年第5期25-32,共8页SHI Jie , XU Wen-jun, HE Zhi-qiang, NIU Kai, WU Wei-ling School of Information and Telecommunication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China 
supported by the National Basic Research Program of China (2007CB310604, 2009CB320401);the National Natural Science Foundation of China (60772108, 60702048)
This article investigates resource allocation in multi-hop orthogonal frequency division multiplexing （OFDM） system with amplifying-and-forwarding relaying to maximize the end-to-end capacity, Most existing methods ...
关键词：multi-hop OFDM system non-regenerative relaying genetic algorithm power allocation subcarrier selection resource allocation 
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