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Delay and Throughput in Random Access Wireless Mesh Networks

Summary: 1
Delay and Throughput in Random Access Wireless
Mesh Networks
Nabhendra Bisnik, Alhussein Abouzeid
Rensselaer Polytechnic Institute
Troy, NY 12180
bisnin@rpi.edu, abouzeid@ecse.rpi.edu
Abstract-- Wireless mesh networks (WMNs) are emerging as
a popular means of providing connectivity to communities in
both affluent and poor parts of the world. The presence of
backbone mesh routers and the use of multiple channels and
interfaces allow mesh networks to have better capacity than
infrastructure-less multihop ad hoc networks. In this paper we
characterize the average delay and capacity in WMNs that utilize
random medium access (MAC). We model residential area WMNs
as open G/G/1 queuing networks. The analytical model takes
into account the density of the mesh clients and mesh routers,
the random packet arrival process, the degree of locality of
traffic and the collision avoidance mechanism of random access
MAC. The diffusion approximation method is used to obtain


Source: Abouzeid, Alhussein A. - Department of Electrical, Computer and Systems Engineering, Rensselaer Polytechnic Institute


Collections: Engineering; Computer Technologies and Information Sciences