NDLI: Energy-efficient transmission scheme for mobile data gathering in Wireless Sensor Networks

Content Provider	IEEE Xplore Digital Library
Author	Liu Danpu Zhang Kailin Ding Jie
Copyright Year	2013
Abstract	Energy conservation in Wireless Sensor Networks (WSNs) has always been a crucial issue and has received increased attention in the recent years. A transmission scheme for energy-constrained WSNs is proposed in this paper. The scheme, called MIHOP (MIMO and Multi-hop), combines cluster-based virtual MIMO and multi-hop technologies. The multi-hop mode is employed in transmitting data when the related sensors are located within a specific number of hops from the sink, and the virtual MIMO mode is used in transmitting data from the remaining sensor nodes. We compare the energy consumption of different transmission schemes and propose an algorithm for determining the optimal hop count in MIHOP. A controllable mobile sink that reduces the energy consumed in sensor transmission is also adopted for data collection. The theoretical analysis and the Monte Carlo simulation demonstrate that the proposed scheme significantly outperforms individual virtual MIMO, multi-hop technologies, and double-string networks in terms of energy conservation. The energy consumption levels under the MIHOP scheme are approximately 12.98%, 47.55% and 48.30% less than that under virtual MIMO schemes, multi-hop networks and double-string networks, respectively.
Starting Page	114
Ending Page	123
Page Count	10
File Size	696346
File Format	PDF
ISSN	16735447
Volume Number	10
Issue Number	3
Language	English
Publisher	China Communications Magazine Co. Ltd.
Publisher Date	2013-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	MIMO Sensors Energy consumption Mobile communication Spread spectrum communication Wireless sensor networks Energy efficiency mobile sink wireless sensor networks energy efficiency virtual MIMO multi-hop network
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Electrical and Electronic Engineering

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