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Network calculus based QoS analysis of network coding in Cluster-tree wireless sensor network

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3 Author(s)
Lie Jiang ; Dept. of Electron. & Inf. Eng., Huazhong Univ. of Sci. & Technol., Wuhan, China ; Li Yu ; Zilong Chen

In resource-limited wireless sensor networks(WSNs), network resource will run out soon due to communication of mass redundant data. We employ Network Coding as an effective in-network processing strategy to reduce the data transmission amount. With this concern, a comprehensive Network-Calculus based analytical framework for Cluster-tree WSNs involving network coding is established in this paper. To specify, we firstly derive the service curve for sensor node performing network coding; then some useful performance expressions like input/output arrival curve, buffering requirements and end-to-end delay are calculated; finally, to show the effectiveness and superiority of our proposed analytical framework, we demonstrate how to apply the analytical framework to a special IEEE802.15.4/Zigbee protocol. Indeed, numerical results show that network coding does improve buffer requirement and end-to-end delay compared with classical scheduling strategy.

Published in:

Computing, Communications and Applications Conference (ComComAp), 2012

Date of Conference:

11-13 Jan. 2012