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Performance of an IEEE 802.16 Wireless Backhaul in the Presence of a Node Failure

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Open access
Authors
Chai, Pey San Nancy
Chung, Kah-Seng
Chan, King-Sun
Date
2010
Type
Conference Paper

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Citation
Chai, Pey San and Chung, Kah-Seng and Chan, King-Sun. 2010. Performance of an IEEE 802.16 Wireless Backhaul in the Presence of a Node Failure, in ICCS 2010 Technical Program Committee (ed), 12th IEEE International Conference on Communication Systems (ICCS 2010), Nov 17 2010. Singapore: IEEE.
Source Title
12th IEEE International Conference on Communication Systems Proceedings
Source Conference
12th IEEE International Conference on Communication Systems (ICCS 2010)
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Department of Electrical and Computer Engineering
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Abstract

A wireless backhaul network is used to interconnect intermediate nodes to gateway nodes. As it is designed to serve a large population of broadband users, failure sustainability becomes an essential requirement to ensure uninterrupted telecommunication services even in the presence of occasional node or link failures. In this paper, the performance of a failure sustainable wireless backhaul, based on IEEE 802.16 radio technology, is analysed in the presence of a node failure. Furthermore, it is shown that the network performance is significantly improved by incorporating two proposed modifications, namely request-resend and dynamic mini-slot allocation, in IEEE 802.16 standard coordinated distributed scheduling.