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An expression is derived for the average Packet Error Rate (PER) of a Successive Interference Canceller (SIC) for DS-CDMA when the number of users asymptotically tends to infinity. The asymptotic probability density function of the interference power is governed by a Fokker-Planck differential equation with drift and (asymptotically vanishing) diffusion depending on the PER function of the adopted forward error-correcting code (FEC). In addition to the asymptotic solution for the PER, a particle-based algorithm is also developed for computing efficiently the PER in the finite user case.
CitationSala, J.; Villares, Javier; Rey, F. Asymptotic and finite user PER analysis of successive interference cancellation in DS-CDMA. "IEEE communications letters", Novembre 2011, vol. 15, núm. 11, p. 1145-1147.
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