Wi-Fi/ZigBee coexistence for fault-tolerant building automation system
by Tarek K. Refaat; Mohamed A. Saleh; Ramèz M. Daoud; Hassanein H. Amer; Magdy S. El-Soudani; Magdi S. Moustafa
International Journal of Systems, Control and Communications (IJSCC), Vol. 5, No. 2, 2013

Abstract: The paper presents a case study where a building automation system is investigated using two wireless standards, ZigBee and Wi-Fi 802.11b. Since each standard has specific features and advantages, a network incorporating both manifests itself as an optimal solution. Previous attempts have been made with successful realisation of systems including both standards. The issue is re-visited in the context of a large warehouse/retailer building and an improved, more flexible solution is proposed. OPNET network modeller is used to study the performance and limitations of the network. Finally, fault-tolerance at the server level is implemented.

Online publication date: Sat, 12-Jul-2014

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