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Fractional-Delay-Resilient Receiver Design for Interference-Free MC-CDMA Communications Based on Complete Complementary Codes
2015
IEEE Transactions on Wireless Communications
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Complete complementary codes (CCC) refer to a set of two-dimensional matrices which have zero non-trivial aperiodic auto-and cross-correlation sums. A modern application of CCC is in interference-free multicarrier code-division multiple-access (MC-CDMA) communications. In this paper, we first show that in asynchronous "fractional-delay" uplink channels, CCC-MC-CDMA systems suffer from orthogonality loss which may lead to huge interference increase when a conventional correlator based receiver
doi:10.1109/twc.2014.2365467
fatcat:3bxnzmurynhyncjjtaruoisd7m