Lan Yang Shixin Cheng Interference Cancellation with DFE in Frequency Domain for OFDM Systems with Insufficient CP. 4616-4624 2005 88-B IEICE Transactions 12 http://dx.doi.org/10.1093/ietcom/e88-b.12.4616 db/journals/ieicet/ieicet88b.html#YangC05a