PROJECT TITLE :
Fractional-Delay-Resilient Receiver Design for Interference-Free MC-CDMA Communications Based on Complete Complementary Codes
Complete complementary codes (CCC) refer to a collection of two-dimensional matrices, which have zero non-trivial aperiodic auto- and cross- correlation sums. A trendy application of CCC is in interference-free multicarrier code-division multiple-access (MC-CDMA) communications. In this paper, we 1st show that in asynchronous “fractional-delay” uplink channels, CCC-MC-CDMA systems suffer from orthogonality loss, which could lead to large interference increase when a typical correlator based mostly receiver is deployed. Then, by exploiting the correlation properties of CCC, we tend to gift a fractional-delay-resilient receiver that is comprised of a chip-spaced correlating array. Analysis and simulations validate the interference-free achievability of the proposed CSCA receiver in sturdy interference eventualities.
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