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Wireless sensor networks
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A centralrootnode (the top level of the hierarchy) is connected to one or more other nodes that are one level lower in the hierarchy (ie, the second level) with a point-to-point link between each of the second level nodes and the top level centralrootnode, while each of
Wireless sensor network designs
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The emergence of compact, low-power, wireless communication sensors and actuators in the technology supporting the ongoing miniaturization of processing and storage, allows for entirely new kinds of embedded system. These systems are distributed and deployed in
Body sensor network a wireless sensor platform for pervasive healthcare monitoring
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With recent advances in wireless sensor networks and embedded computing technologies, miniaturized pervasive health monitoring devices have become practically feasible. In addition to providing continuous monitoring and analysis of physiological parameters, the
TEEN: ARouting Protocol for Enhanced Efficiency in Wireless Sensor Networks .
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Wireless sensor networks are expected to find wide applicability and increasing deployment in the near future. In this paper, we propose a formal classification of sensor networks , based on their mode of functioning, as proactive and reactivenetworks. Reactive networks , as
Routing protocols in wireless sensor networks A survey
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Advances in wireless sensor network (WSN) technology has provided the availability of small and low-cost sensor nodes with capability of sensing various types of physical and environmental conditions, data processing, and wireless communication. Variety of sensing
Wireless sensor network : a review on data aggregation
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Data aggregation is very crucial techniques in wireless sensor network. Because with the help of data aggregation we reduce the energy consumption by eliminating redundancy. When wireless sensor network deployed in remote areas or hostile environment. In the
Wireless sensor networks in precision agriculture
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We present the initial setup of the Lofar Agro project that concentrates on monitoring micro- climates in a crop field. In addition to the agronomic experiment, Lofar Agro aims at gathering statistics on the wireless sensor network itself. These statistics will form the basis
Wireless sensor network security analysis
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The emergence of sensor networks as one of the dominant technology trends in the coming decades has posed numerous unique challenges to researchers. These networks are likely to be composed of hundreds, and potentially thousands of tiny sensor nodes, functioning
Wireless sensor network simulators a survey and comparisons
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Simulation tools for wireless sensor networks are increasingly being used to study sensor webs and to test new applications and protocols in this evolving research field. There is always an overriding concern when using simulation that the results not reflect accurate
A survey of Wireless Sensor Network technologies
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ABSTRACT Wireless Sensor Networks (WSNs) provide a new paradigm for sensing and disseminating information from various environments, with the potential to serve many and diverse applications. Current WSNs typically communicate directly with a centralized
Hybrid energy efficient distributed protocol for heterogeneous wireless sensor network
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The main requirements of wireless sensor network are to prolong the network lifetime and energy efficiency. In this paper, Heterogeneous-Hybrid Energy Efficient Distributed Protocol (H-HEED) for Wireless Sensor Network has been proposed to prolong the network lifetimeTime synchronization is a critical piece of infrastructure for any distributed system. Distributed, wireless sensor networks make extensive use of synchronized time, but often have unique requirements in the scope, lifetime, and precision of the synchronization
Localization in Wireless Sensor Networks : A Probabilistic Approach.
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In this paper we consider a probabilistic approach to the problem of localization in wireless sensor networks and propose a distributed algorithm that helps unknown nodes to determine confident position estimates. The proposed algorithm is RF based, robust to
Wireless sensor networks and applications: a survey
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In this research work, a survey on Wireless Sensor Networks (WSN) and their technologies, standards and applications was carried out. Wireless sensor networks consist of small nodes with sensing, computation, and wireless communications capabilities. Many routing
Wireless sensor network architecture
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Wireless sensor networks are becoming very popular technology, it is very important to understand the architecture for this kind of networks before deploying it in any application. This work explores the WSN architecture according to the OSI model with some protocols in
Wireless sensor network for wearable physiological monitoring.
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Wearable physiological monitoring system consists of an array of sensors embedded into the fabric of the wearer to continuously monitor the physiological parameters and transmit wireless to a remote monitoring station. At the remote monitoring station the data is
Wireless Sensor Network Protocols.
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Efficient design and implementation of wireless sensor networks has become a hot area of research in recent years, due to the vast potential of sensor networks to enable applications that connect the physical world to the virtual world. By networking large numbers of tiny
Wireless sensor networks for battlefield surveillance
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In this position paper, we investigate the use of wireless sensor network (WSN) technology for ground surveillance. The goal of our project is to develop a prototype of WSN for outdoor deployment. We aim to design a system, which can detect and classify multiple targets (eg
SEP: A stable election protocol for clustered heterogeneous wireless sensor networks
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We study the impact of heterogeneity of nodes, in terms of their energy, in wireless sensor networks that are hierarchically clustered. In these networks some of the nodes become cluster heads, aggregate the data of their cluster members and transmit it to the sink. We
Application based study on wireless sensor network
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ABSTRACT A wireless sensor network is type of wireless network . Basically it consist a collection of tiny device are called sensor node, sensor node has a resource constraint means battery power, storage and communication capability. These sensor nodes are set CSE PROJECTS