Cognitive Technologies (Telecommunications and Information Technology)

This book focuses on the next generation optical networks as well as mobile communication technologies. The reader will find chapters on Cognitive Optical Network, 5G Cognitive Wireless, LTE, Data Analysis and Natural Language Processing. It also presents a comprehensive view of the enhancements and requirements foreseen for Machine Type Communication. Moreover, some data analysis techniques and Brazilian Portuguese natural language processing technologies are also described here. Front Matter....Pages i-x Front Matter....Pages 1-1 Considerations About Adding Aggregated Variables to the DEA Model....Pages 3-13 Method for Estimating Confidence Intervals for DEA Efficiency Models Using Regression Models....Pages 15-26 Distributed Averaged Perceptron for Brazilian Portuguese Part-of-Speech Tagging....Pages 27-36 Exploring Convolutional Neural Networks for Voice Activity Detection....Pages 37-47 Front Matter....Pages 49-49 4G/LTE Networks for Mission-Critical Operations: A Cognitive Radio Approach....Pages 51-64 5G Cognitive Wireless Mesh Network Without Common Control Channel....Pages 65-75 A Fast and Efficient 3D Beamforming Algorithm for Cognitive Radio Networks....Pages 77-93 Cognitive Radio Networks....Pages 95-109 Front Matter....Pages 111-111 Optical Amplifier Cognitive Gain Adjustment Methodology for Dynamic and Realistic Networks....Pages 113-149 Simulation-Based Optimization of OSNR on Under-Monitored EDFA-Based Optical Links Using Backpropagation Correction....Pages 151-166