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2007
IEEE

Service Time Approximation in IEEE 802.11 Single-Hop Ad-hoc Networks

9 years 7 months ago
Service Time Approximation in IEEE 802.11 Single-Hop Ad-hoc Networks
Abstract— This paper investigates the near-memoryless behavior of the service time for IEEE 802.11 saturated single-hop ad hoc networks. We show that the number of packets successfully transmitted by any node over a time interval follows a general distribution, which is close to a Poisson distribution with an upper bounded distribution distance. We also show that the service time distribution can be approximated by a geometric distribution. We illustrate that the usage of discrete-time queuing analysis (M/Geo/1) near network saturation greatly simplifies the queuing analysis and leads to sufficiently accurate results for both the first order statistics and the probability distribution of the number of packets in the queuing system. Keywords – IEEE 802.11 MAC, ad hoc network, service time, queuing model, resource allocation, call admission control.
Atef Abdrabou, Weihua Zhuang
Added 03 Jun 2010
Updated 03 Jun 2010
Type Conference
Year 2007
Where INFOCOM
Authors Atef Abdrabou, Weihua Zhuang
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