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A simple bound on the outage probability with lognormal interferers
KTH, Superseded Departments, Signals, Sensors and Systems.
KTH, Superseded Departments, Signals, Sensors and Systems. (Radiokommunikation)ORCID iD: 0000-0001-9697-9978
2004 (English)In: IEEE Communications Letters, ISSN 1089-7798, Vol. 8, no 5, 271-273 p.Article in journal (Refereed) Published
Abstract [en]

We consider the problem of determining the outage probability in a cellular radio system, where the interference is modeled by a sum of lognormal random variables. As no closed form expression is known, bounds can serve as a quick way of evaluating performance. By applying the arithmeticgeometric mean inequality, we give a lower bound, computationally simple as it is expressed by a single Q-function. The bound includes the case of correlated interferers and background noise. Numerical evaluation for a range of parameters valid for practical applications, shows good accuracy for moderate variances and improvement over a previously suggested bound. This is especially emphasized when the number of interferers is large.<

Place, publisher, year, edition, pages
IEEE , 2004. Vol. 8, no 5, 271-273 p.
National Category
Computer and Information Science
Research subject
URN: urn:nbn:se:kth:diva-27800DOI: 10.1109/LCOMM.2004.827448ISI: 000221465400003ScopusID: 2-s2.0-2942629593OAI: diva2:382594
QC 20110105Available from: 2011-01-02 Created: 2011-01-02 Last updated: 2011-11-29Bibliographically approved

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