Journal ArticleDOI
Wireless sensor networks: a survey
TLDR
The concept of sensor networks which has been made viable by the convergence of micro-electro-mechanical systems technology, wireless communications and digital electronics is described.About:
This article is published in Computer Networks.The article was published on 2002-03-15. It has received 17936 citations till now. The article focuses on the topics: Key distribution in wireless sensor networks & Wireless sensor network.read more
Citations
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Journal ArticleDOI
A 0.5 V Sub-Microwatt CMOS Image Sensor With Pulse-Width Modulation Read-Out
TL;DR: In this article, the authors explore the use of aggressive voltage scaling in CMOS image sensors for applications ranging from retinal prostheses to battlefield monitoring and surveillance, and discuss an image sensor with pulse-width modulation read-out that is optimized for 0.5 V operation.
Proceedings ArticleDOI
Coverage issue in sensor networks with adjustable ranges
Jie Wu,Shuhui Yang +1 more
TL;DR: In this paper, the problem of maintaining sensing coverage by keeping a small number of active sensor nodes and a small amount of energy consumption in wireless sensor networks was studied, and two new energy-efficient models of different sensing ranges were proposed.
Proceedings ArticleDOI
Potential for Intra-Vehicle Wireless Automotive Sensor Networks
TL;DR: This paper focuses on the Medium access control (MAC) layer and derive necessary design parameters based on given network requirements and evaluates the IEEE 802.15.4 standard with respect to its suitability for use in a prospective intra-vehicle wireless sensor network.
Journal ArticleDOI
Node Reclamation and Replacement for Long-Lived Sensor Networks
TL;DR: An adaptive rendezvous-based two-tier scheduling scheme (ARTS) to schedule the replacement/reclamation activities of the MR and the duty cycles of nodes and the effectiveness and efficiency of the ARTS scheme are verified.
Proceedings ArticleDOI
A novel framework for energy - conserving data gathering in wireless sensor networks
Wook Choi,Sajal K. Das +1 more
TL;DR: This paper proposes a novel framework for energy-conserving data gathering which exploits a trade-off between coverage and data reporting latency and presents a probabilistic model for estimating the connectivity of the selected k sensors and also a recursive algorithm which derives the number of additional sensors required to probabilistically guarantee the connectivity.
References
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Book
Wireless Communications: Principles and Practice
TL;DR: WireWireless Communications: Principles and Practice, Second Edition is the definitive modern text for wireless communications technology and system design as discussed by the authors, which covers the fundamental issues impacting all wireless networks and reviews virtually every important new wireless standard and technological development, offering especially comprehensive coverage of the 3G systems and wireless local area networks (WLANs).
Proceedings ArticleDOI
Energy-efficient communication protocol for wireless microsensor networks
TL;DR: The Low-Energy Adaptive Clustering Hierarchy (LEACH) as mentioned in this paper is a clustering-based protocol that utilizes randomized rotation of local cluster based station (cluster-heads) to evenly distribute the energy load among the sensors in the network.
Energy-efficient communication protocols for wireless microsensor networks
TL;DR: LEACH (Low-Energy Adaptive Clustering Hierarchy), a clustering-based protocol that utilizes randomized rotation of local cluster based station (cluster-heads) to evenly distribute the energy load among the sensors in the network, is proposed.
Proceedings ArticleDOI
Directed diffusion: a scalable and robust communication paradigm for sensor networks
TL;DR: This paper explores and evaluates the use of directed diffusion for a simple remote-surveillance sensor network and its implications for sensing, communication and computation.
Proceedings ArticleDOI
The Cricket location-support system
TL;DR: The randomized algorithm used by beacons to transmit information, the use of concurrent radio and ultrasonic signals to infer distance, the listener inference algorithms to overcome multipath and interference, and practical beacon configuration and positioning techniques that improve accuracy are described.