Abdelhakim, M and Lightfoot, LE and Ren, J and Li, T
(2013)
Architecture design of mobile access coordinated wireless sensor networks.
IEEE International Conference on Communications.
1720 - 1724.
ISSN 1550-3607
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Abstract
This paper considers architecture design of mobile access coordinated wireless sensor networks (MC-WSN) for reliable and efficient information exchange. In sensor networks with mobile access points (SENMA), the mobile access points collect information directly from individual sensors as they traverse the network, such that no routing is needed in data transmission. While being energy efficient, a major limitation with SENMA is the large delay in data collection, making it undesirable for timesensitive applications. In the proposed MC-WSN architecture, the sensor network is coordinated by powerful mobile access points (MA), such that the number of hops from each sensor to the MA is minimized and limited to a prespecified number through active network deployment and network topology design. Unlike in SENMA, where the data collection delay depends on the physical speed of the MA, in MC-WSN, the delay depends on the number of hops and the electromagnetic wave speed, and is independent of the physical speed of the MA. This innovative architecture is energy efficient, resilient, fast reacting and can actively prolong the lifetime of sensor networks. Our simulations show that the proposed MC-WSN can achieve higher energy-efficiency and orders of magnitude lower delay over SENMA, especially for large-scale networks. © 2013 IEEE.
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