A New Analysis of the DS-CDMA Cellular Downlink Under Spatial Constraints

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Executive Summary

The Direct-Sequence Code-Division Multiple Access (DS-CDMA) cellular downlink is modeled by a constrained random spatial model involving a fixed number of base stations placed over a finite area with a minimum separation. The analysis is driven by a new closed-form expression for the conditional outage probability at each mobile, where the conditioning is with respect to the network realization. The analysis features a flexible channel model, accounting for path loss, Nakagami fading, and shadowing. By generating many random networks and applying a given resource allocation policy, the distribution of the rates provided to each user is obtained.

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