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Non-uniform distribution of multi-hop sensor networks : performance improvement and energy hole mitigation
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Mahani, A., Kargar, A., Kavian, Y. S. and Rashvand, H. F. (2012) Non-uniform distribution of multi-hop sensor networks : performance improvement and energy hole mitigation. IET Wireless Sensor Systems, Volume 2 (Number 4). pp. 302-308. doi:10.1049/iet-wss.2012.0032 ISSN 2043-6386.
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Official URL: http://dx.doi.org/10.1049/iet-wss.2012.0032
Abstract
The authors consider that packet forwarding strategies drastically affect the traffic patterns in multi-hop wireless networks such as wireless sensor networks (WSN). The converge-cast nature of the WSN traffic pattern is an imbalanced pattern, which leads to many issues including: 1- energy holes 2- high delay 3- traffic blockage. In this study, the effects of the node's density on the total delay, throughput and consumed energy of a WSN is considered. Here the authors demonstrate that under a non-uniform distribution method the WSN encounters much lesser energy holes and prolongs the network life cycle. So Zipf distribution is used and the performance metrics and lifetime of a WSN for uniform and Zipf distribution are compared. The simulation results show that a WSN with Zipf distribution works more energy efficient than a uniform density network. Also the Zipf distribution with different characterising exponent reports a trade-off between network lifetime and end-to-end delay.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
Journal or Publication Title: | IET Wireless Sensor Systems | ||||
Publisher: | IEEE Computer Society | ||||
ISSN: | 2043-6386 | ||||
Official Date: | 2012 | ||||
Dates: |
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Volume: | Volume 2 | ||||
Number: | Number 4 | ||||
Page Range: | pp. 302-308 | ||||
DOI: | 10.1049/iet-wss.2012.0032 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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