Performance analysis of two-tier wireless mesh networks for achieving delay minimisation

Authors:
Geyong Min;Yulei Wu;Keqiu Li;Ahmed Y. Al-Dubai
Affiliations:
School of Informatics, University of Bradford, Bradford, UK;School of Informatics, University of Bradford, Bradford, UK;Department of Computer Science and Engineering, Dalian University of Technology, P. R. China;School of Computing, Napier University, Edinburgh, UK
Venue:
WCNC'09 Proceedings of the 2009 IEEE conference on Wireless Communications & Networking Conference
Year:
2009

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Abstract

Wireless Mesh Networks (WMNs) are emerging as a key technology for the next-generation wireless networks owing to its attractive properties, such as dynamic self-organisation, quick deployment, easy maintenance, low cost, and high scalability. In this paper, we develop an analytical model to investigate the end-to-end delay in a random-access two-tier (i.e., the backhaul tier and access tier) WMN. In the backhaul tier, mesh routers are uniformly distributed in a grid placement. The access tier is formed by a series of wireless local area networks. After validating the accuracy of the analytical model through simulation experiments, we use the model to tune the system parameters in order to minimise the end-to-end delay.