An introduction to signal detection and estimation (2nd ed.)
An introduction to signal detection and estimation (2nd ed.)
Performance Analysis of Neural Network Detectors by Importance Sampling Techniques
Neural Processing Letters
Quick simulation: a review of importance sampling techniques in communications systems
IEEE Journal on Selected Areas in Communications
IEEE Journal on Selected Areas in Communications
Adaptive Importance Sampling Technique for Neural Detector Training
ICANN '02 Proceedings of the International Conference on Artificial Neural Networks
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Importance Sampling is a modified Monte Carlo technique applied to the estimation of rare event probabilities (very low probabilities). In this paper, we propose and develop the use of Importance Sampling (IS) techniques in neural network training, for applications to detection in communication systems. Some key topics are introduced, such as modifications of the error probability objective function, optimal and suboptimal IS probability density functions (biasing density functions), and experimental results of training with a genetic algorithm. Also, it is shown that the genetic algorithm with the IS technique attains quasi-optimum training in the sense of minimum error probability (or minimum misclassification probability).