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Title: Low Complexity qSIC Equalizer for OFDM System
Authors: Roni, Harmoko Habibi;Wei, Shyue-Win;Jan, Yih-Haw;Chen, Tung-Chou;Wen, Jyh-Horng
Contributors: 電子工程學系
Keywords: OFDM;Equalizer;SIC;Multi-path fading channel
Date: 2009-05
Issue Date: 2013-05-06T04:02:32Z
Publisher: IEEE
Abstract: A well-known interference cancellation technique called successive interference cancellation (SIC) has been proved to have an excellent performance for mitigating inter-carrier interference (ICI) in orthogonal frequency division multiplexing (OFDM) system. However, since the complexity of SIC is proportional to the number of OFDM subcarriers N, the realization of this detector become impractical, especially when
large number of subcarriers is considered. A low complexity equalization technique based on SIC is therefore proposed for high mobility OFDM system. The presented low complexity modified SIC algorithm is referred to as qSIC equalizer since only the dominant ICI term is considered. The qSIC algorithm can significantly reduce the computational complexity and meanwhile maintain excellent detection performance.
Relation: 13th IEEE international Symposium on Consumer Electronics (ISCE 2009), : 434-438
Appears in Collections:[電子工程學系] 會議論文

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