MGF Approach to Compute the Packet Error Probability and Throughput for OFDM, CDMA and MC-CDMA Systems

In this paper, we present a new approach to evaluate the packet error probability (PEP) of code-division multiple access (CDMA), multi-carrier CDMA (MC-CDMA) and orthogonal frequency-division multiple access systems. The PEP is computed using the moment-generating function of signal-to-noise ratio. Our approach uses an approximation of the Marcum Q-function and allows to evaluate the PEP in closed form without any integration. The obtained theoretical results were compared to simulations, and their validity was confirmed.

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