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sensor
(12609 results)-
White Papers
Grid-Based Access Scheduling for Mobile Data Intensive Sensor Networks
February 15, 2008 12:00am PST
The authors introduce a distributed grid-based scheduling access scheme that mitigates high data loss in data intensive sensor networks. Their approach alleviates transmission collisions by...
Provided by: University of Pittsburgh
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Whitepapers
Design Guidelines for Integration of Wireless Sensor Networks With Enterprise Systems
February 15, 2008 12:00am PST
Deploying a large number of small wireless sensors that can gather, process, and deliver information about physical environment to external systems opens many novel application domains. Today...
Provided by: Association for Computing Machinery
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White Papers
ViRe: Virtual Reconfiguration Framework for Embedded Processing in Distributed Image Sensors
February 14, 2008 12:00am PST
Image processing applications introduce new challenges to the design of sensor network systems via non-trivial in-network computation. As embedded processing becomes more complex, in-situ...
Provided by: University of California
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White Papers
An Energy-Efficient Multi-Agent Based Architecture in Wireless Sensor Network
February 14, 2008 12:00am PST
Wireless Sensor Network (WSN) containing thousands of tiny and low-power nodes can be used to monitor environment. Energy-efficient and reliable wireless communication architecture is usually...
Provided by: Springer
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White Papers
Fail-Safe Hierarchical Organization for Wireless Sensor Networks
February 14, 2008 12:00am PST
This paper presents the definition and evaluation of a new protocol for providing a Wireless Sensor Network (WSN) with a hierarchical organization. Differently from previously proposed solutions,...
Provided by: Institute of Electrical and Electronics Engineers
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White Papers
Sensor-Network-Aided Cognitive Radio: On the Optimal Receiver for Estimate-and-Forward Protocols Applied to the Relay Channel
February 14, 2008 12:00am PST
Cognitive radio describes a promising concept for improving the utilization of radio spectrum. It allows secondary users to access licensed radio spectrum in an opportunistic fashion, given that...
Provided by: Institute of Electrical and Electronics Engineers
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White Papers
PAS: Prediction-Based Adaptive Sleeping for Diffusion Stimulus Monitoring Sensor Networks
February 14, 2008 12:00am PST
Energy efficiency has proven to be a dominating factor for the lifetime of WSN surveillance systems. Intensive studies have been done to provide energy efficient power management mechanisms, but...
Provided by: Old City Publishing
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White Papers
Maximizing Network Utilization With Max - Min Fairness in Wireless Sensor Networks
February 13, 2008 12:00am PST
The state-of-the-art for optimal data-gathering in wireless sensor networks is to use additive increase algorithms to achieve fair rate allocation while implicity trying to maximize network...
Provided by: Springer Science+Business Media
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Whitepapers
A Spatially Aware RFID-Enhanced Wireless Sensor Network
February 13, 2008 12:00am PST
Radio Frequency IDentification (RFID) systems are becoming increasingly popular for automatic object identification and supply chain management. Wide acceptance of this technology has led to...
Provided by: University of Wisconsin�River Falls
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White Papers
WINTeR: Architecture and Applications of a Wireless Industrial Sensor Network Testbed for Radio-Harsh Environments
February 13, 2008 12:00am PST
The present paper relates to WINTeR, an open access, multi-user experimental facility, currently under development, to support implementation and evaluation of wireless sensor networks for...
Provided by: Acadia University
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White Papers
Multicommodity Lifetime Routing for Wireless Sensor Networks With Multiple Sinks
February 13, 2008 12:00am PST
Wireless Sensor Networks (WSNs) have recently received increasing attention from research and development communities. In a WSN, the field information (e.g., temperature, humidity, airflow) is...
Provided by: University of British Columbia
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White Papers
On Boundary Recognition Without Location Information In Wireless Sensor Networks
February 12, 2008 12:00am PST
Boundary recognition is an important and challenging issue in wireless sensor networks when no coordinates or distances are available. The distinction between inner and boundary nodes of the...
Provided by: University of Bonn
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White Papers
Routing in Sensor Networks: Performance and Security in Clustered Networks
February 11, 2008 12:00am PST
Due to high restrictions in sensor network, where the resources are limited, clustering protocols for routing organization have been proposed in much research for increasing system throughput,...
Provided by: University of Bridgeport
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White Papers
Intruder Detection Using a Wireless Sensor Network With an Intelligent Mobile Robot Response
February 11, 2008 12:00am PST
This paper presents an intruder detection system that uses a wireless sensor network and mobile robots. The sensor network uses an unsupervised fuzzy Adaptive Resonance Theory (ART) neural network...
Provided by: University of Tennessee
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White Papers
On the Connectivity Properties of Wireless Multi-Hop Networks
February 11, 2008 12:00am PST
Connectivity is one of the fundamental properties in wireless multi-hop networks (e.g., wireless sensor/ad hoc network), and is also a prerequisite for providing many network functions. A question...
Provided by: Australian National University
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White Papers
Genetic Algorithm for Energy Efficient Trees In Wireless Sensor Networks
February 11, 2008 12:00am PST
This paper presents a Genetic Algorithm (GA) to generate balanced and energy efficient data aggregation spanning trees for wireless sensor networks. In a data gathering round, a single best tree...
Provided by: Acadia University
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White Papers
OS-Based Sensor Node Platform and Energy Estimation Model for Health-Care Wireless Sensor Networks
February 11, 2008 12:00am PST
Accurate power and performance figures are critical to assess the effective design of possible sensor node architectures in Body Area Networks (BANs) since they operate on limited energy storage....
Provided by: European Design and Automation Association
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White Papers
Efficient Path Key Establishment for Wireless Sensor Networks
February 11, 2008 12:00am PST
Key predistribution schemes have been proposed as means to overcome wireless sensor network constraints such as limited communication and processing power. Two sensor nodes can establish a secure...
Provided by: Hindawi Publishing
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White Papers
Addressing Practical Challenges in Utility Optimization of Mobile Wireless Sensor Networks
February 11, 2008 12:00am PST
This paper examines the practical challenges in the application of the distributed Network Utility Maximization (NUM) framework to the problem of resource allocation and sensor device adaptation...
Provided by: Pennsylvania State University
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Whitepapers
Effects of Correlated Shadowing: Connectivity, Localization, and RF Tomography
February 10, 2008 12:00am PST
Unlike current models for radio channel shadowing indicate, real-world shadowing losses on different links in a network are not independent. The correlations have both detrimental and beneficial...
Provided by: University of Urbino
