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sensor
(12695 results)-
White Papers
Intelligent Monitoring Using Wireless Sensor Networks
August 27, 2007 12:00am PDT
Wireless Sensor Networks (WSNs) enable smart environments to provide pervasive and ubiquitous applications, which give context-aware and scalable services to the end users. In this paper, an...
Provided by: Acadia University
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White Papers
Evaluating Mobility Support in ZigBee Networks
August 27, 2007 12:00am PDT
The deployment of ZigBee networks is expected to facilitate numerous applications, such as home healthcare, medical monitoring, consumer electronics, and environmental sensors. For many envisioned...
Provided by: University of California
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White Papers
Leveraging Biologically-Inspired Mobile Agents Supporting Composite Needs of Reliability and Timeliness in Sensor Applications
August 25, 2007 12:00am PDT
Wireless sensor networks are often used for event detection applications, which require a certain level of reliability and timeliness while minimizing energy consumption. Existing work considers...
Provided by: University of Massachusetts
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White Papers
Energy-Efficient Cooperative Communication Based on Power Control and Selective Relay in Wireless Sensor Networks
August 24, 2007 12:00am PDT
Cooperative communication with single relay selection is a simple yet effective communication scheme for energy-constrained networks. This paper investigates the minimum energy relay selection...
Provided by: University of Connecticut
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White Papers
The Time-Correlated Update Problem
August 24, 2007 12:00am PDT
Recent advances in the fields of sensor networks and mobile robotics have provided the means to place monitoring/sensing equipment in an increasingly wide variety of environments - a significant...
Provided by: Columbia University
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Whitepapers
Performance Evaluation of Content-Based Information Retrieval Schemes for DTNs
August 23, 2007 12:00am PDT
With the advancement in technology, the authors have many wireless computing devices e.g. PDAs, sensors, etc.. Such devices can form infrastructureless ad hoc networks and communicate with one...
Provided by: Lehigh University
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White Papers
Optimal Itinerary Analysis for Mobile Agents in Ad Hoc Wireless Sensor Networks
August 22, 2007 12:00am PDT
One of the most important problems studied in any sensor network is data fusion. Client/server paradigm has been a commonly used computing model in traditional Distributed Sensor Networks (DSNs)....
Provided by: University of Tennessee
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White Papers
Path Planning of Mobile Landmarks for Localization in Wireless Sensor Networks
August 22, 2007 12:00am PDT
Many applications of wireless sensor networks require the sensor nodes to obtain their locations. The main idea in most localization methods has been that some nodes with known coordinates (e.g.,...
Provided by: Purdue University (Krannert)
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White Papers
Lifetime-Optimal Data Routing in Wireless Sensor Networks Without Flow Splitting
August 22, 2007 12:00am PDT
This paper considers two-tiered wireless sensor networks, and addresses the network lifetime problem for upper-tier Aggregation and Forwarding Nodes (AFNs). Existing flow routing solutions...
Provided by: University of Waterloo
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White Papers
A Protocol Architecture for Wireless Sensor Networks
August 22, 2007 12:00am PDT
Wireless Sensor Networks (WSN) is a new class of networking technology that is increasingly becoming popular nowadays. Huge strides taken in sensing technology, low-power microcontrollers and...
Provided by: University of Utah
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White Papers
Adaptive Distributed Multidimensional Scaling for Localization in Sensor Networks
August 22, 2007 12:00am PDT
Accurate, distributed localization algorithms are needed for a wide variety of wireless sensor network applications. This paper introduces a scalable, distributed weighted-MultiDimensional Scaling...
Provided by: University of Michigan (Ross)
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White Papers
Mesh-Based Sensor Relocation for Coverage Maintenance in Mobile Sensor Networks
August 22, 2007 12:00am PDT
Sensor relocation protocols can be employed as fault tolerance approach to offset the coverage loss caused by node failures. The authors introduce a novel localized structure, information mesh,...
Provided by: Springer
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White Papers
Energy-Constrained Quality Optimization for Secure Image Transmission in Wireless Sensor Networks
August 22, 2007 12:00am PDT
Resource allocation for multimedia selective encryption and energy efficient transmission has not been fully investigated in literature for Wireless Sensor Networks (WSNs). In this paper, the...
Provided by: Hindawi Publishing
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Whitepapers
Analysis and Construction of Galois Fields for Efficient Storage Reliability
August 21, 2007 12:00am PDT
Software-based Galois field implementations are used in the reliability and security components of many storage systems. Unfortunately, multiplication and division operations over Galois fields...
Provided by: University of Calgary
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White Papers
Energy for Free - Wireless Technology Without Batteries
August 20, 2007 12:00am PDT
Wireless sensors will soon be appearing by the thousands. Not only in our homes where they will control lighting and temperature or supervise domestic appliances, but also in industry to control...
Provided by: EnOcean
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White Papers
Envirosuite: An Environmentally-Immersive Programming Framework for Wireless Sensor Networks
August 20, 2007 12:00am PDT
Networked, embedded sensors allow for an instrumentation of the physical world at unprecedented granularities and from unimagined perspectives. The advent of a ubiquitous sensing era is evident....
Provided by: University of Illinois
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Whitepapers
Energy-Optimized Low-Complexity Control of Power and Rate in Clustered CDMA Sensor Networks with Multirate Constraints
August 20, 2007 12:00am PDT
In this paper, the authors propose a low-complexity scheme for minimizing energy consumption in a clustered multi-rate CDMA sensor network with multiple receive antennas by jointly controlling the...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Localization Based on Feasible Geographic Region Approximation
August 20, 2007 12:00am PDT
Most traditional localization approaches, providing single position estimate for each sensor node, cannot evaluate localization accuracy and position uncertainty. In this paper, the authors...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
A Bayesian Network and Rule-Base Approach Towards Activity Inference
August 20, 2007 12:00am PDT
In this paper, the authors describe an activity recognition system capable of monitoring user activities in home environments. Activities are monitored by processing information from various...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
Network Coding Approach for Intra-Cluster Information Exchange in Sensor Networks
August 20, 2007 12:00am PDT
In this paper, the authors focus on the intra-cluster information exchange problem and propose some novel solutions. They only concern about how to exchange information inside cluster of sensor...
Provided by: Institute of Electrical & Electronic Engineers
