Calculating the outage probability in a CDMA network with spatial Poisson traffic

Chun Chung Chan*, Stephen V. Hanly

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

123 Citations (Scopus)


In this paper, we provide a spatial Poisson point pattern model of traffic in a code division multiple access (CDMA) wireless network. We show how the theory of Poisson processes can be applied to provide statistical information about interference levels in the network. In particular, we calculate approximations and a bound on the outage probability at a designated cell site in the network, utilizing high-order cumulants, which have very simple analytical forms and can easily be computed once the mean measure of the spatial Poisson point pattern is known. We consider a Poisson-Gaussian approximation and an Edgeworth approximation in which the Gaussian distribution is twisted to satisfy the required cumulants, and we provide a Chernoff bound on performance that also utilizes the cumulant information. We show that the theory can be applied to nonstationary, time nonhomogeneous systems. We provide a particular example of a M/M/∞ spatial queueing model of a CDMA wireless network.

Original languageEnglish
Pages (from-to)183-204
Number of pages22
JournalIEEE Transactions on Vehicular Technology
Issue number1
Publication statusPublished - Jan 2001
Externally publishedYes


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