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OFDM Interference Mitigation Algorithms for Doubly-Selective Channels
IEEE Vehicular Technology Conference
Frequency Division Multiplexing (OFDM) system may suffer from significant Inter-carrier Interference (ICI) and Inter-block Interference (IBI) under a time-and frequencyselective (or doubly-selective) channel. We propose a novel hybrid architecture where a time-domain FIR filter mitigates IBI by shortening the channel to the cyclic prefix length. This is followed by ICI cancellation in the frequency-domain using few FIR taps per subchannel combined with successive cancellation. We also proposedoi:10.1109/vtcf.2006.295 dblp:conf/vtc/LuKA06 fatcat:olpskd6xezaszjhzav7zqjvasu