QUORUM: quality of service in wireless mesh networks

Authors:
Vinod Kone;Sudipto Das;Ben Y. Zhao;Haitao Zheng
Affiliations:
Computer Science, University of California, Santa Barbara, CA;Computer Science, University of California, Santa Barbara, CA;Computer Science, University of California, Santa Barbara, CA;Computer Science, University of California, Santa Barbara, CA
Venue:
Mobile Networks and Applications
Year:
2007

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Abstract

Wireless mesh networks (WMNs) can provide seamless broadband connectivity to network users with low setup and maintenance costs. To support next-generation applications with real-time requirements, however, these networks must provide improved quality of service guarantees. Current mesh protocols use techniques that fail to accurately predict the performance of end-to-end paths, and do not optimize performance based on knowledge of mesh network structures. In this paper, we propose QUORUM, a routing protocol optimized for WMNs that provides accurate QoS properties by correctly predicting delay and loss characteristics of data traffic. QUORUM integrates a novel end-to-end packet delay estimation mechanism with stability-aware routing policies, allowing it to more accurately follow QoS requirements while minimizing misbehavior of selfish nodes.