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- W2095632425 abstract "Frequency offsets or frequency spreads distort the orthogonality between sub-carriers, which results in inter-carrier interference (ICI), in regular OFDM communication systems. In order to combat the impact of ICI on OFDM systems, an ICI mitigation technique by jointing symbol shift cancellation (SSC) and adjacent sub-channel interference filter (ASIF) is proposed in this paper. At first, the symbol shift cancellation (SSC) method is used to cancel the impact of ICI on the far sub-carriers, and then the adjacent sub-channel interference filter (ASIF) method is used to cancel the impact of ICI on the adjacent sub-carriers interference. By analyzing the distribution of the adjacent intercarrier interference, a pilot-symbol scheme is proposed to improve the accuracy of channel estimation and simplify the adjacent interference filter method. The proposed algorithm can achieve trade-off between the bandwidth efficiency and the complexity of ICI cancellation method. Simulation results show that the technique proposed in this paper can effectively improve BER (Bit Error Rate) performance of the OFDM system." @default.
- W2095632425 created "2016-06-24" @default.
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- W2095632425 date "2009-09-01" @default.
- W2095632425 modified "2023-09-27" @default.
- W2095632425 title "An Intercarrier Interference Cancellation Technique Based on SSC-ASIF Scheme in OFDM Systems" @default.
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- W2095632425 doi "https://doi.org/10.1109/wicom.2009.5302708" @default.
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