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(15265 results)-
Whitepapers
Closed-Form Approximations for Cooperative LLR-Based Energy Detection in Cognitive Radios
April 26, 2012 12:00am PDT
In this paper, the authors obtain approximations for the optimal Log-Likelihood Ratio (LLR) decision rule in cooperative detection when local energy detectors are assumed. Considering conditional...
Provided by: Institute of Electrical & Electronic Engineers
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Whitepapers
An Integrated System Based on Wireless Sensor Networks for Patient Monitoring, Localization and Tracking
April 25, 2012 12:00am PDT
This paper describes the system LAURA which provides patient localization, tracking and monitoring services within nursing institutes through a wireless sensor network. The system is composed of...
Provided by: Reed Business Information
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White Papers
Optimal Sampling Strategies for Minimum Latency Routing With Imperfect Link State
April 20, 2012 12:00am PDT
Since dynamic wireless networks evolve over time, optimal routing computations need to be performed frequently on time-varying network topologies. However, it is often infeasible or expensive to...
Provided by: U.S. Army Research Laboratory
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Whitepapers
Algorithmic Approaches to Low Overhead Fault Detection for Sparse Linear Algebra
April 19, 2012 12:00am PDT
The increasing size and complexity of High-Performance Computing systems is making it increasingly likely that individual circuits will produce erroneous results, especially when operated in a low...
Provided by: University of Illinois
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Whitepapers
Beyond Random Walk and Metropolis-Hastings Samplers: Why You Should Not Backtrack for Unbiased Graph Sampling
April 18, 2012 12:00am PDT
Graph sampling via crawling has been actively considered as a generic and important tool for collecting uniform node samples so as to consistently estimate and uncover various characteristics of...
Provided by: North Carolina State University
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White Papers
Modular Design of Jointly Optimal Controllers and Forwarding Policies for Wireless Control
April 17, 2012 12:00am PDT
The authors consider the joint design of forwarding policies and controllers for wireless control loops where sensor measurements are sent over an unreliable multi-hop wireless network to the...
Provided by: KTH Royal Institute of Technology
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Whitepapers
Wireless Data Access and Supervisory Control System
April 11, 2012 12:00am PDT
The analog and continuous time signals measured by the sensor and modified by the signal conditioning circuitry must convert into the form a computer can understand. This is what is referred to...
Provided by: Serials Publiations
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Downloads
10 cool conditional formatting techniques: Excel demo files
April 11, 2012 12:00am PDT
These sample Excel workbooks (xls and xlsx versions) illustrate the creative conditional formatting techniques described in this 10 Things blog post.
Provided by: Susan Harkins
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White Papers
A Novel MCMC Algorithm for Near-Optimal Detection in Large-Scale Uplink Mulituser MIMO Systems
April 10, 2012 12:00am PDT
In this paper, the authors propose a low-complexity algorithm based on Markov Chain Monte Carlo (MCMC) technique for signal detection on the uplink in large scale multiuser Multiple Input Multiple...
Provided by: Indian Institute of Science
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Whitepapers
Performance Comparison of Doppler Scale Estimation Methods for Underwater Acoustic OFDM
April 5, 2012 12:00am PDT
Doppler scale estimation is one critical step needed by the re-sampling operation in acoustic communication receivers. In this paper, the authors compare different Doppler scale estimation methods...
Provided by: Hindawi Publishing
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Whitepapers
Shannon Meets Nyquist: Capacity Limits of Sampled Analog Channels
April 4, 2012 12:00am PDT
The authors explore two fundamental questions at the intersection of sampling theory and information theory: how is channel capacity affected by sampling below the channel's Nyquist rate, and what...
Provided by: Stanford University
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Whitepapers
Authentication and Integrity in the Smart Grid: An Empirical Study in Substation Automation Systems
April 3, 2012 12:00am PDT
In this paper, the authors aim at authentication and integrity protections in Substation Automation Systems (SAS), by an experimental approach on a small scale SAS prototype, in which messages are...
Provided by: Hindawi Publishing
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Whitepapers
Robust Estimation of Spatial Fields with Compressed Observations and Imperfect Phase Estimation in M2M Capillary Networks
April 2, 2012 12:00am PDT
In this paper, the authors focus on the use capillary M2M (Machine-To-Machine) networks for the estimation of spatial random fields. The observations (samples) collected by the sensors are...
Provided by: Centre Tecnològic de Telecomunicacions de Catalunya (CTTC)
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Whitepapers
Effective Pair Programming Practice-An Experimental Study
April 1, 2012 12:00am PDT
Pair programming is a practice, where two programmers work on a single task. Long research has been carried out in industries, and efficient results were achieved. Research is also being done in...
Provided by: Journal of Computing
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Whitepapers
High-Precision Immune Computation for Secure Face Recognition
April 1, 2012 12:00am PDT
The accuracy of face recognition is very important for its security in many applications, because wrong face recognition may cause such security problems as authorization. To increase the...
Provided by: Science and Development Network (SciDev.Net)
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Whitepapers
Object Detection Based on Multi-Scale Contour Fragments
April 1, 2012 12:00am PDT
In this paper, the authors present a novel object detection scheme using the multi-scale contour fragments. The template fragments are extracted by decomposing the template contour. The...
Provided by: Science and Development Network (SciDev.Net)
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Whitepapers
Revised R-LDA Based ANN for Small Sample Size (SSS) Problem of Face Recognition
April 1, 2012 12:00am PDT
A Face Recognition (FR) system is automatically identifying or verifying a personal face acquired from a digital camera or a image generation device. In order to do this, facial features from the...
Provided by: Science and Development Network (SciDev.Net)
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Whitepapers
Software Testing and Quality Assurance on Sampling Inspection Through Statistical Learning Theory
April 1, 2012 12:00am PDT
In this paper, an engineering statistical model is proposed for the prediction of control and assurance in software engineering. This paper attempt statistical learning theory is to studies in a...
Provided by: International Journal of Emerging Technology and Advanced Engineering (IJETAE)
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Whitepapers
Intuitionistic Fuzzy Approach to Handle Imprecise Humanistic Queries in Databases
April 1, 2012 12:00am PDT
L.A Zadeh introduced fuzzy set theory in 1965. Many researchers took interest in the theory and evolved many generalizations of the concept. One of them was the Intuitionistic fuzzy set introduced...
Provided by: International Journal of Computer Applications
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White Papers
Credit Card Transaction Fraud Detection by Using Hidden Markov Model
April 1, 2012 12:00am PDT
This paper proposes a HMM (Hidden Markov Model) based fraud detection system for credit card fraud detection. The method works on the statistical behavior of user's transactions. Since the...
Provided by: International Journal of Scientific Engineering and Technology
