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Impact of sensing model on wireless sensor network coverage

Impact of sensing model on wireless sensor network coverage

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  • Author(s): A. Hossain 1 ; S. Chakrabarti 2 ; P.K. Biswas 3
    • View affiliations
    • Affiliations: 1: Department of Electronics & Communication Engineering, Aliah University, Kolkata, India
      2: G. S. Sanyal School of Telecommunications, Indian Institute of Technology (IIT), Kharagpur, India
      3: Department of Electronics & Electrical Communication Engineering, Indian Institute of Technology (IIT), Kharagpur, India
  • Source: Volume 2, Issue 3, September 2012, p. 272 – 281
    DOI:  10.1049/iet-wss.2011.0101 , Print ISSN 2043-6386, Online ISSN 2043-6394
© The Institution of Engineering and Technology
Published

Network coverage is an important issue for wireless sensor network. It depends on several factors including sensing model that has been used to design the network model. The sensor nodes are prone to be non-functional because of noise, battery energy depletion, software and hardware problems. Hence, it is relevant to assess network coverage considering node failure as a parameter. In the literature, coverage has been extensively studied for Boolean and shadow-fading sensing models. However, Elfes sensing model has not been considered. In this study, the authors investigate the impact of sensing model and node failure on network coverage. Also, temporal variation of coverage has been investigated. A strategy for maintaining constant coverage is proposed.

Inspec keywords: wireless sensor networks

Other keywords: hardware problem; shadow-fading sensing model; wireless sensor network coverage; network coverage assessment; software problem; constant coverage maintenance; node failure; battery energy depletion; Elfes sensing model; temporal variation; Boolean sensing model

Subjects: Wireless sensor networks

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