Primary radio user activity models for cognitive radio networks: A survey

Y Saleem, MH Rehmani - Journal of Network and Computer Applications, 2014 - Elsevier
Abstract Cognitive Radio Networks have been emerged as a promising solution for solving
the problem of spectrum scarcity and improving spectrum utilization by opportunistic use of …

Predicting dynamic spectrum allocation: a review covering simulation, modelling, and prediction

AC Cullen, BIP Rubinstein, S Kandeepan… - Artificial Intelligence …, 2023 - Springer
The advent of the Internet of Things and 5G has further accelerated the growth in devices
attempting to gain access to the wireless spectrum. A consequence of this has been the …

Evaluation of the maintenance system readiness using the semi-Markov model taking into account hidden factors

E Kozłowski, A Borucka, P Oleszczuk… - Eksploatacja i …, 2023 - yadda.icm.edu.pl
Maintaining the proper level of readiness and reliability is crucial for any operating system
[33, 44]. It enables the purposeful use of the maintenance potential in the utilization …

Statistical spectrum occupancy prediction for dynamic spectrum access: a classification

H Eltom, S Kandeepan, RJ Evans, YC Liang… - EURASIP Journal on …, 2018 - Springer
Spectrum scarcity due to inefficient utilisation has ignited a plethora of dynamic spectrum
access solutions to accommodate the expanding demand for future wireless networks …

Evaluation of machinery readiness using semi-Markov processes

A Świderski, A Borucka, M Grzelak, L Gil - Applied Sciences, 2020 - mdpi.com
This article uses Markov and semi-Markov models as some of the most popular tools to
estimate readiness and reliability. They allow to evaluate of both individual elements as well …

Deep Learning Models for Spectrum Prediction: A Review

L Wang, J Hu, D Jiang, C Zhang, R Jiang… - IEEE Sensors …, 2024 - ieeexplore.ieee.org
Spectrum prediction is a promising technique for improving spectrum exploitation in
cognitive radio networks (CRNs). Accurate spectrum prediction can assist in reducing the …

Spectrum prediction using hidden Markov models for industrial cognitive radio

A Saad, B Staehle, R Knorr - 2016 IEEE 12th International …, 2016 - ieeexplore.ieee.org
Cognitive radio (CR) is a key enabler of wireless in industrial applications especially for
those with strict quality-of-service (QoS) requirements. The cornerstone of CR is spectrum …

NS-2 based simulation framework for cognitive radio sensor networks

SHR Bukhari, S Siraj, MH Rehmani - Wireless Networks, 2018 - Springer
In this paper, we propose a simulation model for cognitive radio sensor networks (CRSNs)
which is an attempt to combine the useful properties of wireless sensor networks and …

Spectrum sensing for cognitive radio using blind source separation and hidden Markov model

A Mukherjee, S Maiti, A Datta - 2014 Fourth International …, 2014 - ieeexplore.ieee.org
Most of the radio frequency spectrum is not being utilized efficiently. The utilization can be
improved by including unlicensed users to exploit the radio frequency spectrum by not …

Whitespace prediction using hidden markov model based maximum likelihood classification

A Saad, HF Schepker, B Staehle… - 2019 IEEE 89th …, 2019 - ieeexplore.ieee.org
The cornerstone of cognitive systems is environment awareness which enables agile and
adaptive use of channel resources. Whitespace prediction based on learning the statistics of …