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Impact of heavy-tail distribution of call durations on the outage probability in DS-CDMA-based air interface

Research output: Contribution to journalJournal article

Published
Article number9966258
<mark>Journal publication date</mark>05/2008
<mark>Journal</mark>IEEE Communications Letters
Issue number5
Volume12
Number of pages3
Pages (from-to)340-342
Publication statusPublished
Original languageEnglish

Abstract

In this letter, we obtain the outage probability for DS-CDMA-based air interface in the presence of traffic with heavy-tail distribution of call durations. Obtained results show that the outage performance for a given wireless network designed based on the Poisson assumptions is significantly degraded when the actual traffic has heavy-tail distribution of call durations. Degradation in outage performance results in a lower traffic capacity. It is also shown that the performance degradation is higher for distributions with heavier tail.