Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 443 for “"sensor network"”.
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Wireless sensor network for health monitoring
Wireless Sensor Network (WSN) is becoming a significant enabling technology for a wide variety of applications. Recent advances in WSN have facilitated the realization of pervasive health monitoring for both homecare and hospital environments. Current technological advances in sensors, …
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Antennas for wireless sensor network applications
… of antennas, which are applicable to wireless sensor networks and, in particular, to the requirements of the Speckled Computing Network Consortium. This was done through a review of the scientific literature on the subject, and the design, computer simulation, and experimental verification, of …
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A self-configuring wireless sensor network
… and implementation of self-configuring wireless sensor network. The investigation covers early network systems to modern wireless networks. Several wireless networks were compared, with Bluetooth being selected as the implemented network technology and the Zigbee 802.15.4 network being selected …
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A flexible high-density sensor network
… sensate skin that was designed as a dense sensor network. Our skin is built from small (1" x 1") rigid circuit boards attached to their neighbors with flexible interconnects. Each boardcontained an embedded processor together with a suite of thirteen sensors, providing dense, multimodal …
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Wireless sensor network for smart street lighting
… well as following sub-systems that make up the network. Wireless nodes on street lamps form modular networks that use sensors to detect vehicles and illuminate the road while there is traffic. In the first part, reasons for the need of such a system is presented as well as an introduction to the …
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A middleware framework for wireless sensor network
… has given birth to a new technology field sensor networks. These new technologies along with pervasive computing have made the dream of a smart environment come true. Sensors being small and capable of sensing, processing and communicating data has opened a whole new era of applications …
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A wireless sensor network for vibration measurement
Wireless sensor networks (sensornets) enable distributed sensing, opening up sensing possibilities not previously available. One application of sensornets is online, non-intrusive power transformer monitoring.
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Sensor network localization based on natural phenomena
Autonomous localization is crucial for many sensor network applications. The goal of this thesis is to develop a distributed localization algorithm for the PLUG indoor sensor network by analyzing sound and light sensory data from naturally occurring background phenomena as well as synthesized …
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Wireless sensor network for ground-water monitoring
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2002.
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Energy-efficient Wireless Sensor Network MAC Protocol
With the progression of computer networks extending boundaries and joining distant locations, wireless sensor networks (WSNs) emerge as the new frontier in developing opportunities to collect and process data from remote locations. WSNs rely on hardware simplicity to make sensor field deployments …
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SUNSHINE: A Multi-Domain Sensor Network Simulator
… evaluating different design options for wireless sensor networks (sensornets) and hence, have been intensively studied in the past decades. However, existing simulators only support evaluations of protocols and software aspects of sensornet design. They cannot accurately capture the significant …
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Radio frequency ranging for wireless sensor network localization
Wireless sensor networks (WSNs) have a diverse range of industrial, scientific and medical applications where the sensor nodes are of low cost, standard with respect to hardware architecture, processing abilities and communicate using low-power narrow-band radios. Position information of the …
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Energy scavenging system for indoor wireless sensor network
As wireless communication evolves wireless sensors have begun to be integrated into society more and more. As these sensors are used to a greater extent newer and better ways to keep them working optimally have begun to surface. One such method aims to further the sensors energy independence on …
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Repairing wireless sensor network connectivity in damaged environments
A wireless sensor network can become partitioned due to node failure, requiring the deployment of additional relay nodes in order to restore network connectivity. This introduces an optimisation problem involving a tradeoff between the number of additional nodes that are required and the costs of …
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Distributed optimization on a wireless sensor network testbed
… optimization algorithms on a physical wireless sensor network. Distributed optimization refers to optimization of some global function which is not completely known to any single node in a communication network. The global function is some combination of local functions that are available at …
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Wireless sensor network implementations on a testbed platform
Wireless sensor network implementations are developed for three different problems: data efficient quickest change detection, energy efficient sleep control for application to the tracking problem, and diffusing point source localization and tracking. For each of these three problems work in the …
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Decentralized detection in sensor network architectures with feedback
… detection problem in which a set of sensors transmit a summary of their observations to a fusion center, which then decides which one of two hypotheses is true. The focus is on determining the value of feedback in improving performance in the regime of asymptotically many sensors. We …
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Decentralized detection in resource-limited sensor network architectures
… problem of decentralized binary detection in a network consisting of a large number of nodes arranged as a tree of bounded height. We show that the error probability decays exponentially fast with the number of nodes under both a Neyman-Pearson criterion and a Bayesian criterion, and provide …
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