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Capacity Evaluation for CDMA Cellular Systems

Karmani, Gulshan and Sivarajan, Kumar N (2001) Capacity Evaluation for CDMA Cellular Systems. In: IEEE INFOCOM 2001. Twentieth Annual Joint Conference of the IEEE Computer and Communications Societies, 22-26 April, Alaska,USA, Vol.1, 601-610.


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In this paper, we find bounds and approximations for the capacity of mobile cellular communication networks based on code division multiple access (CDMA). We develop efficient analytic techniques for capacity calculations of CDMA cellular networks. Each cell is modeled as an independent $M/G/\infty$ queue and traffic capacity assessed based on the maximum Erlang traffic that leads to acceptable link quality with high probability. Subsequently, approximations and bounds for the outage probability and hence traffic capacity are obtained using asymptotic expansions and large deviations theory. Numerical examples, considering uniform and normalized truncated Gaussian user density in the system are evaluated. The propagation model we consider takes care of distance and lognormal shadowing losses

Item Type: Conference Paper
Publisher: IEEE
Additional Information: Copyright 1990 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Department/Centre: Division of Electrical Sciences
Date Deposited: 15 Feb 2006
Last Modified: 19 Sep 2010 04:23
URI: http://eprints.iisc.ac.in/id/eprint/5345

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