Abdelhakim, M and Liang, Y and Li, T
(2016)
Mobile Coordinated Wireless Sensor Network: An Energy Efficient Scheme for Real-Time Transmissions.
IEEE Journal on Selected Areas in Communications, 34 (5).
1663 - 1675.
ISSN 0733-8716
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Abstract
This paper introduces the mobile access coordinated wireless sensor network (MC-WSN)-a novel energy efficient scheme for time-sensitive applications. In conventional sensor networks with mobile access points (SENMA), the mobile access points (MAs) traverse the network to collect information directly from individual sensors. While simplifying the routing process, a major limitation with SENMA is that data transmission is limited by the physical speed of the MAs and their trajectory length, resulting in low throughput and large delay. In an effort to resolve this problem, we introduce the MC-WSN architecture, for which a major feature is that: through active network deployment and topology design, the number of hops from any sensor to the MA can be limited to a pre-specified number. In this paper, we investigate the optimal topology design that minimizes the average number of hops from sensor to MA, and provide the throughput analysis under both single-path and multipath routing cases. Moreover, putting MC-WSN in the bigger picture of network design and development, we provide a unified framework for wireless network modeling and characterization. Under this general framework, it can be seen that MC-WSN reflects the integration of structure-ensured reliability/efficiency and ad-hoc enabled flexibility.
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