Joint delay and energy model for IEEE 802.11 networks

Ivanov, Stepan and Botvich, Dmitri and Balasubramaniam, Sasitharan (2014) Joint delay and energy model for IEEE 802.11 networks. Wireless Networks, 20 (5). pp. 1121-1132. ISSN 1022-0038

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Popularity of IEEE 802.11 networks has increased dramatically over the past number of years. Nowadays audio/video conferencing, gaming and other quality of service (QoS) sensitive services are being delivered to the end users over wireless. Commonly probability for a packet to overstay a specific timeout serves as a QoS metric, and obtaining media access control layer packet delay distribution is highly important for this QoS prediction. Usually wireless devices are equipped with energy supplies of limited capacity, and accurate estimation of their energy expenditure is essential from the network design point of view. Meanwhile, as packets of longer delay normally have higher energy transmission cost, there is a certain dependency between the two metrics. This paper considers internal structure of the metrics and proposes a mathematical model that allows obtaining their individual distributions together with the joint distribution. The model presents a random sum, where the summand formation is determined by a Terminating Markov Process. The model has been validated through comparison with results of NS3 simulation.

Item Type: Article
Additional Information: Funding Information: B.Sc. (with Honours) in mathe- matics and his Ph.D. in mathe- matics from Lomonosov Moscow State University, Mos- cow, Russia, in 1980 and 1984, respectively. Dr. Botvich has more than 25 years of research experience including about 20 years of experience in research and development in the areas of telecommunications and computer science. His research interests include network man- agement, trust management, pri vacy, wireless networks, bio-inspired techniques and mathematical physics. He has about 150 peer reviewed publications including 35 journal publications. He has graduated a number of successful post-graduate students including 10 Ph.D. students. Dr. Botvich has worked on a wide variety of different projects funded by European Union (EU) and in Ireland funded by Science Foundation Ireland (SFI), Higher Education Authority (HEA) and Enterprise Ireland (EI).
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/1700/1710
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Depositing User: Admin SSL
Date Deposited: 19 Oct 2022 23:02
Last Modified: 07 Jun 2023 18:42

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