Geodesic
Wiener-based ICI Cancellation Schemes for OFDM Systems over Fading Channels
Computer Science and Information Systems, Tome 10 (2013) no. 2
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The subcarriers of orthogonal frequency division multiplexing (OFDM) systems may fail to keep orthogonal to each other under time-varying channels. The loss of orthogonality among the subcarriers will degrade the system performace, and this effect is named intercarrier interference (ICI). In this paper, a Wiener-based successive interference cancellation (SIC) scheme is proposed to detect the OFDM signals. It provides good ICI cancellation performance; however, it suffers large computation complexity. Therefore, a modified Wiener-based SIC scheme is further proposed to reduce the computation complexity. Simulation results show the performance of the Wiener-based SIC scheme is better than those of zero forcing, zero forcing plus SIC and original Wiener-based schemes. Furthermore, with the modified Wiener-based SIC scheme, the performance is still better than the others. Although the performace of the modified Wiener-based SIC scheme suffers little degradation compared to Wiener-based SIC scheme, the computation complexity can be dramatically reduced.
Keywords: Orthogonal frequency division multiplexing (OFDM), fading channels, intercarrier interference (ICI), Wiener-based, successive interference cancellation (SIC) 
@article{CSIS_2013_10_2_a17,
     author = {Jyh-Horng Wen and Yung-Cheng Yao and Ying-Chih Kuo},
     title = {Wiener-based {ICI} {Cancellation} {Schemes} for {OFDM} {Systems} over {Fading} {Channels}},
     journal = {Computer Science and Information Systems},
     year = {2013},
     volume = {10},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/CSIS_2013_10_2_a17/}
}
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Jyh-Horng Wen; Yung-Cheng Yao; Ying-Chih Kuo. Wiener-based ICI Cancellation Schemes for OFDM Systems over Fading Channels. Computer Science and Information Systems, Tome 10 (2013) no. 2. http://geodesic.mathdoc.fr/item/CSIS_2013_10_2_a17/