Iterative Interference Cancellation for OFDM Signals With Blanking Nonlinearity in Impulsive Noise Channels

淡江大學機構典藏 > 工學院 > 電機工程學系暨研究所 > 期刊論文 > Item 987654321/81423

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题名:	Iterative Interference Cancellation for OFDM Signals With Blanking Nonlinearity in Impulsive Noise Channels
作者:	Yih, Chi-Hsiao
贡献者:	淡江大學電機工程學系
关键词:	Impulsive noise;iterative interference cancellation;orthogonal frequency division multiplexing
日期:	2012-03
上传时间:	2013-03-11 22:18:21 (UTC+8)
出版者:	Piscataway: Institute of Electrical and Electronics Engineers
摘要:	A simple iterative interference cancellation scheme for orthogonal frequency division multiplexing (OFDM) signals with blanking nonlinearity in impulsive noise channels is presented. Blanking nonlinearity has been widely used in practical OFDM systems to suppress impulsive noises at the expense of reducing signal power and generating intercarrier interference (ICI). To improve the performance of blanking nonlinearity element, we propose an iterative interference cancellation scheme which can effectively reduce the level of ICI caused by the blanking operation at the OFDM receiver. With adaptive blanking threshold for each iteration, the proposed iterative receiver design can converge to its best performance with only three iterations. Simulation results show significant performance improvement is achieved by the proposed scheme.
關聯:	IEEE Signal Processing Letters 19(3), pp.147-150
DOI:	10.1109/LSP.2012.2183636
显示于类别:	[電機工程學系暨研究所] 期刊論文

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