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A novel and adaptive angle diversity-based receiver for 6g underground mining vlc systems
(2022)
Visible light communication (VLC) is considered an enabling technology for future 6G
wireless systems. Among the many applications in which VLC systems are used, one of them is harsh
environments such as Underground ...
Multiresolution speech enhancement based on proposed circular nested microphone array in combination with sub-band affine projection algorithm
(2020)
Speech enhancement is one of the most important fields in audio and speech signal processing. The speech enhancement methods are divided into the single and multi-channel algorithms. The multi-channel methods increase the ...
A VLC channel model for underground mining environments with scattering and shadowing
(2020)
Underground mining is an industry that preserves the miners' safety and efficiency in their work using wireless communication systems as a tool. In addition to communication links characterized by radio frequency signals, ...
Analysis of spectrum detection and decision using machine learning algorithms in cognitive mobile radio networks
(2021)
In this work, the performance of four Machine Learning Algorithms (MLAs) applied to Cognitive Mobile Radio Networks (CMRNs) are analyzed. These algorithms are Coalition Game Theory (CGT), Naive Bayesian Classifier (NBC), ...
A general MIMO VLC channel model for underground mining environments
(2022)
Underground Mining (UM) is a harsh environment that involves multiple threats to worker safety and needs adequate wireless communications to ensure worker well-being and optimize miner efficiency. While radio frequency ...
Classification of diseased and healthy apple leaves through extreme learning machines
(2022)
Diseases in agricultural crops are a risk for fruit productivity and quality. Chile is a fruit exporting country; that needs the development of technologies for diseases prevention and treatment. Farmers have been exploring ...
Fingerprint classification with the extreme learning machine algorithm for multilayer perceptron
(2022)
Fingerprint classification comes to be a relevant guarantee for efficient as well as accurate fingerprint identification, in particular in the case of dealing with one-to-many fingerprint identification. Nevertheless, owing ...
Estimating the number of speakers by novel zig-zag nested microphone array based on wavelet packet and adaptive GCC method
(2022)
In this paper, a new speaker counting algorithm is proposed by novel zig-zag nested array (ZZNA) combining with adaptive generalized cross-correlation (GCC) function (with phase transform (PHAT) and maximum likelihood (ML)) ...
Multi-speaker localization by central and lateral microphone arrays based on the combination of 2D-SRP and subband GEVD algorithms
(2022)
In this paper, a novel speech source localization (SSL) algorithm by the use of the central and lateral microphone arrays is proposed with low complexity and high precision in undesirable acoustical environments. Firstly, ...
On the performance of angular diversity receivers in underground mining VLC systems
(2022)
Visible Light Communications (VLC) have generated great interest in the scientific community in the last five years due to their great adaptation to harsh environments. Among the scenarios that can benefit from the advantages ...