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sensor
(12609 results)-
Whitepapers
Decentralized Mapping of Robot-Aided Sensor Networks
February 10, 2008 12:00am PST
A key problem in the deployment of sensor networks is that of determining the location of each sensor such that subsequent data gathered can be registered. The authors would also like the network...
Provided by: Carnegie Mellon University
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Whitepapers
Exploring Cognitive Techniques for Bandwidth Management in Integrated Underwater Acoustic Systems
February 9, 2008 12:00am PST
The richness in the largely unexplored ocean is increasingly fueling research in underwater networks. Unlike their terrestrial counterparts, underwater networks are likely to remain sparse and...
Provided by: Institute for Infocomm Research
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White Papers
Pyridine Vapors Detection by an Optical Fibre Sensor
February 8, 2008 12:00am PST
An optical fiber sensor has been implemented towards pyridine vapors detection; to achieve this, a novel vapochromic material has been used, which, in solid state, suffers a change in color from...
Provided by: Molecular Diversity Preservation International (MDPI)
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White Papers
Communication-Aware Motion Planning in Fading Environments
February 8, 2008 12:00am PST
In this paper, the authors create a framework to model and characterize the impact of time-varying fading communication links on the performance of a mobile sensor network. They propose...
Provided by: University of New Mexico
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Whitepapers
A Survey of Machine Learning in Wireless Sensor Networks
February 8, 2008 12:00am PST
Wireless Sensor Networks (WSNs) are used to collect data from and make inferences about the environments or objects that they are sensing. These sensors are usually characterized by limited...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Location Dependent Heuristics for Sensor Coverage Planning
February 6, 2008 12:00am PST
The ability of a sensor device is affected significantly by the surroundings and environment in which it is placed. In almost all sensor modalities, some directions are better observed by a sensor...
Provided by: IBM
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Whitepapers
Secure and Practical Key Establishment for Distributed Sensor Networks
February 5, 2008 12:00am PST
Key establishment in sensor networks is a challenging task, due to the physical constraints of sensor devices and their exposure to several threats. Existing protocols based on symmetric...
Provided by: Ionian University
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White Papers
Adaptive Data Quality for Persistent Queries in Sensor Networks
February 5, 2008 12:00am PST
Wireless sensor networks are emerging as a convenient mechanism to constantly monitor the physical world. The volume of information in such networks can be extremely large and, to be meaningful to...
Provided by: University of Texas at Austin (McCombs)
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White Papers
Neighbor Discovery in Wireless Networks: A Multiuser-Detection Approach
February 5, 2008 12:00am PST
The authors examine the problem of determining which nodes are neighbors of a given one in a wireless network. They consider an unsupervised network operating on a frequency-flat Gaussian channel,...
Provided by: Universitat Pompeu Fabra
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White Papers
Investigating Wireless Sensor Network Lifetime using a Realistic Radio Communication Model
February 4, 2008 12:00am PST
Investigating realistic simulations in wireless sensor networks has been an area which has drawn a lot of research interest. These simulations are used to predict the lifetime of wireless sensor...
Provided by: Acadia University
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White Papers
Geo-Location With Wireless Sensor Networks Using Non-Linear Optimization
February 1, 2008 12:00am PST
This paper propose a Reduced-Complexity Differential Evolution (DE) for localization of multi-hop sensor networks. In relatively smaller population size of DE algorithm (Np
Provided by: Universite Laval
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White Papers
An Optimal Sensor Architecture for Wi-Fi Intrusion Detection
February 1, 2008 12:00am PST
This paper presents a novel approach to identifying illegitimate nodes in wireless networks. It demonstrates that, given a sufficiently dense sensor network, it is able to discriminate all network...
Provided by: University of Melbourne
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Whitepapers
Linear Coherent Decentralized Estimation
February 1, 2008 12:00am PST
The authors consider the distributed estimation of an unknown vector signal in a resource constrained sensor network with a fusion center. Due to power and bandwidth limitations, each sensor...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
GARUDA: Achieving Effective Reliability for Downstream Communication in Wireless Sensor Networks
February 1, 2008 12:00am PST
There exist several applications of sensor networks where the reliability of data delivery can be critical. Although the redundancy inherent in a sensor network might increase the degree of...
Provided by: Institute of Electrical & Electronic Engineers
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White Papers
Towards Discovering Data Center Genome Using Sensor Nets
February 1, 2008 12:00am PST
The IT industry is the fastest growing sector in US energy consumption. Improving data center energy efficiency is a pressing issue with significant economic and environmental consequences. Heat...
Provided by: Association for Computing Machinery
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White Papers
An Approach to Mitigating Sybil Attack in Wireless Networks Using ZigBee
February 1, 2008 12:00am PST
Various sensors employing ZigBee protocol send environment information to a home gateway. The home gateway manages every devices, sensors and services according to the information. However, if an...
Provided by: Ajou University
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White Papers
Multi-Target Tracking Through Opportunistic Camera Control in a Resource Constrained Multimodal Sensor Network
February 1, 2008 12:00am PST
While wide-area video surveillance is an important application, it is often not practical, from a technical and social perspective, to have video cameras that completely cover the entire region of...
Provided by: Institute of Electrical and Electronics Engineers
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White Papers
Citric: A Low-Bandwidth Wireless Camera Network Platform
February 1, 2008 12:00am PST
In this paper, the authors propose and demonstrate a novel wireless camera network system, called CITRIC. The core component of this system is a new hardware platform that integrates a camera, a...
Provided by: Institute of Electrical and Electronics Engineers
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White Papers
Monte Carlo Localization of Wireless Sensor Networks With a Single Mobile Beacon
February 1, 2008 12:00am PST
Wireless Sensor Networks (WSNs) are special types of ad hoc networks, where large populations of small sensor enabled nodes form the network. Many researchers view WSNs as ad hoc networks where...
Provided by: Springer Science+Business Media
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White Papers
A New Storage Scheme for Approximate Location Queries in Object-Tracking Sensor Networks
February 1, 2008 12:00am PST
Energy efficiency is one of the most critical issues in the design of wireless sensor networks. Observing that many sensor applications for object tracking can tolerate a certain degree of...
Provided by: Institute of Electrical and Electronics Engineers
