Abstract

Dual N-ary orthogonal hybrid modulation system can increase the data rate greatly compared with conventional N-ary orthogonal spread spectrum system, so it can be used for high rate data communication. In this paper, three code recognition algorithms are presented for dual N-ary orthogonal hybrid modulation system. Then the performance of the system in AWGN and flat Rayleigh fading channel with the three different code recognition algorithms is simulated. The simulation results show that the simplified MAP algorithm is best for the system with a compromise between the performance and the complexity.

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