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ICC
2007
IEEE
15 years 10 months ago
A Cube Oriented Ray Launching Algorithm for 3D Urban Field Strength Prediction
Abstract— Fast radio wave propagation prediction is of tremendous interest for planning and optimization of cellular radio networks. We propose a cube oriented 3D ray launching a...
Rudolf Mathar, Michael Reyer, Michael Schmeink
ICDCSW
2007
IEEE
15 years 10 months ago
Using a Context Quality Measure for Improving Smart Appliances
Many Ubicomp appliances require the recognition of context. Existing context systems do not provide information about the quality of the context recognizied to the appliance at ru...
Martin Berchtold, Christian Decker, Till Riedel, T...
IJCNN
2007
IEEE
15 years 10 months ago
FEBAM: A Feature-Extracting Bidirectional Associative Memory
—In this paper, a new model that can ultimately create its own set of perceptual features is proposed. Using a bidirectional associative memory (BAM)-inspired architecture, the r...
Sylvain Chartier, Gyslain Giguère, Patrice ...
IJCNN
2007
IEEE
15 years 10 months ago
Automated Linear Modeling of Time Series with Self Adaptive Genetic Algorithms
—In this paper we present two algorithms that automatically calculate linear expressions for Time Series. To estimate the maximum number of terms of the linear expression and the...
Pedro Flores, Carlos Anaya, Hector M. Ramirez, Lui...
IJCNN
2007
IEEE
15 years 10 months ago
Optimizing 0/1 Loss for Perceptrons by Random Coordinate Descent
—The 0/1 loss is an important cost function for perceptrons. Nevertheless it cannot be easily minimized by most existing perceptron learning algorithms. In this paper, we propose...
Ling Li, Hsuan-Tien Lin