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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Proceedings ArticleDOI
A game theory based approach for security in wireless sensor networks
TL;DR: A new technique for handling security issues in mobile wireless sensor networks by clustering the sensor nodes such that within a cluster, the payoff function of all sensor nodes are close to each other, where payoff is the largest possible individual gain for each sensor according to a defined utility metric.
Book ChapterDOI
Monitoring of Human Movements for Fall Detection and Activities Recognition in Elderly Care Using Wireless Sensor Network: a Survey
TL;DR: The problem with accidental falls among elderly people has massive social and economic impacts and underlines the importance of real-time monitoring and detection of a fall to enable first-aid by relatives, paramedics or caregivers as soon as possible.
Proceedings ArticleDOI
Using relay network to increase life time in wireless body area sensor networks
TL;DR: The effect of adding a relay network to the network of body sensors to reduce energy consumption of sensor nodes when transmitting data to the sink is investigated.
Journal ArticleDOI
$(ACH)^2$ : Routing Scheme to Maximize Lifetime and Throughput of Wireless Sensor Networks
TL;DR: The proposed scheme increases the stability period, network lifetime, and throughput of the WSN, and the (ACH)2 controls the CHs' election and selection in such a way that uniform load on CHs is ensured and minimize the over all energy consumption of the network.
Journal ArticleDOI
Progress in Piezo-Phototronic-Effect-Enhanced Light-Emitting Diodes and Pressure Imaging.
Caofeng Pan,Mengxiao Chen,Ruomeng Yu,Qing Yang,Youfan Hu,Yan Zhang,Zhong Lin Wang,Zhong Lin Wang +7 more
TL;DR: The piezo-phototronic effect provides a promising method to enhance the light emission of LEDs based on piezoelectric semiconductors through applying static strains, and may find perspective applications in various optoelectronic devices and integrated systems.
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.