A novel approach to fair routing in wireless mesh networks

Authors:
Juho Määttä;Timo Bräysy
Affiliations:
Centre for Wireless Communications, University of Oulu, Oulu, Finland;Centre for Wireless Communications, University of Oulu, Oulu, Finland
Venue:
EURASIP Journal on Wireless Communications and Networking - Special issue on fairness in radio resource management for wireless networks
Year:
2009

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Abstract

Multiradio wireless mesh network (WMN) is a feasible choice for several applications, as routers with multiple network interface cards have become cheaper. Routing in any network has a great impact on the overall network performance, thus a routing protocol or algorithm for WMN should be carefully designed taking into account the specific characteristics of the network. In addition, in wireless networks, serious unfairness can occur between users if the issue is not addressed in the network protocols or algorithms. In this paper, we are proposing a novel centralized routing algorithm, called Subscriber Aware Fair Routing in WMN (SAFARI), for multiradio WMN that assures fairness, leads to a feasible scheduling, and does not collapse the aggregate network throughput with a strict fairness criterion. We show that our protocol is feasible and practical, and exhaustive simulations show that the performance is improved compared to traditional routing algorithms.