Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2004/08/01 Vol. E87-ANo. 8pp. 1981-1993 Type of Manuscript: Special Section PAPER (Special Section on Digital Signal Processing) Category: Signal Processing for Communications Keyword: MC-CDMA, OFDM, inter-code interference, desired-to-undesired signal power ratio, spreading sequence,