A gating mechanism for border node assisted association of wireless personal area networks

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• 作者：Saima Zafar ; Ali Hammad Akbar ; Sana Jabbar
• 关键词：Gating ; Personal area networks ; Border nodes ; Diffusion
• 刊名：SpringerPlus
• 出版年：2012
• 出版时间：December 2012
• 年：2012
• 卷：1
• 期：1
• 全文大小：291KB
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• 作者单位：Saima Zafar (1)
  Ali Hammad Akbar (2)
  Sana Jabbar (2)
  
  1. Department of Electrical Engineering, University of Engineering &Technology, UET, Lahore, Pakistan
  2. Al-Khwarzmi Institute of Computer Science, University of Engineering & Technology, Lahore, Pakistan
  
• 刊物类别：Science, general;
• 刊物主题：Science, general;
• 出版者：Springer International Publishing
• ISSN：2193-1801

文摘

IEEE 802.15.4 based Wireless Personal Area Networks (WPANs) are envisioned to play a vital role in the application centric ubiquitous networks. In IEEE802.15.4 networks, the use of non-interfering logical channels in multiple PANs, operating in a Personal Operating Space (POS) ensures to control the scope of PAN-directed broadcasts, reduce received energy per PAN device, and minimize interference at the physical layer. At the downside the inter-PAN communication is not possible with this setup as PANs in the same region remain unaware of each other鈥檚 presence. This situation hinders sharing information of common interest amongst PANs and accessing infrastructure networks hopping through multiple PANs. In this paper, we present a comprehensive architecture enables neighboring PANs to communicate by diffusing into each other through border nodes. The basic idea is to time share logical channels to perform a gating operation by border nodes. Our contribution includes detection of border nodes, discovery of neighboring PAN(s), a common channel based gating protocol, interest diffusion and inter-PAN data transfer. We mathematically analyze the proposed architecture and carry out simulations in Network Simulator (ns2) for performance evaluation. Our simulations show that the proposed architecture gives optimal performance when multiple border nodes are able to perform gating. Keywords Gating Personal area networks Border nodes Diffusion