On the optimal base station density for CDMA cellular networks (I)


S. Hanly, R. Mathar,


        In this paper, the minimal base station density for a CDMA cellular radio network is determined such that the outage probability does not exceed a certain threshold. Base stations are assumed to be located on a regular triangular grid of minimum distance d, while mobiles are randomly distributed according to a two-dimensional Poisson process. Each mobile may be in soft hand-off with at most four surrounding base stations, applying power control to the one with least attenuation. We obtain a normal approximation to the total interference power at a reference base station for a purely deterministic power propagation law and for a correlated log-normal shadowing law. In both cases the optimum base station distance is proportional to the inverse of the square root of the traffic intensity, where the constant includes the minimum acceptable C/I and the maximum tolerable outage probability.

BibTEX Reference Entry 

	author = {Stephen Hanly and Rudolf Mathar},
	title = "On the optimal base station density for {CDMA} cellular networks ({I})",
	institution = "{RWTH} Aachen",
	year = 2000,


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