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	Water-filling precoder for single-carrier communication systems
	Li Hai-tao ; Lin Xiao-kang
	2010-10-12 ; 2010-10-12
关键词	Practical Theoretical or Mathematical/ channel capacity channel coding convolutional codes equalisers frequency-domain analysis intersymbol interference least mean squares methods precoding/ water-filling precoder single-carrier communication system inter-symbol interference channel frequency domain equalization information theory superposition code channel capacity linear-minimum-mean-square-error method LMMSE convolutional code/ B6120B Codes B0290F Interpolation and function approximation (numerical analysis) B6150D Communication channel equalisation and identification
中文摘要	A water-filling precoder is proposed for shaping the spectrum of transmitted signals in single-carrier systems over inter-symbol interference (ISI) channels. This precoder can be efficiently implemented in the frequency domain without incurring extra receiver complexity. Furthermore, it does not increase the required length of the cyclic prefix (CP). It is proved in the information theory that with the water-filling precoder, superposition codes can achieve the ISI channel's capacity with linear-minimum-mean-square-error (LMMSE)- based frequency domain equalization. Simulation results based on single-layer convolutional codes show that a power gain of 1~2 dB can be achieved by the water-filling precoder.
语种	中文
出版者	Xidian University ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/82709]
专题	清华大学
推荐引用方式 GB/T 7714	Li Hai-tao,Lin Xiao-kang. Water-filling precoder for single-carrier communication systems[J],2010, 2010.
APA	Li Hai-tao,&Lin Xiao-kang.(2010).Water-filling precoder for single-carrier communication systems..
MLA	Li Hai-tao,et al."Water-filling precoder for single-carrier communication systems".(2010).

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