Spectrum inference in cognitive radio networks: Algorithms and applications

G Ding, Y Jiao, J Wang, Y Zou, Q Wu… - … Surveys & Tutorials, 2017 - ieeexplore.ieee.org
Spectrum inference, also known as spectrum prediction in the literature, is a promising
technique of inferring the occupied/free state of radio spectrum from already …

Spectrum occupancy measurements: A survey and use of interference maps

M Höyhtyä, A Mämmelä, M Eskola… - … Surveys & Tutorials, 2016 - ieeexplore.ieee.org
In order to provide meaningful data about spectrum use, occupancy measurements
describing the utilization rate of a specific frequency band should be conducted over a …

A survey of measurement-based spectrum occupancy modeling for cognitive radios

Y Chen, HS Oh - IEEE Communications Surveys & Tutorials, 2014 - ieeexplore.ieee.org
Spectrum occupancy models are very useful in cognitive radio designs. They can be used to
increase spectrum sensing accuracy for more reliable operation, to remove spectrum …

Long-term spectral occupancy findings in Chicago

TM Taher, RB Bacchus, KJ Zdunek… - … on dynamic spectrum …, 2011 - ieeexplore.ieee.org
This paper summarizes some of the results of measurements and related analysis efforts at
the Illinois Institute of Technology (IIT) Spectrum Observatory in Chicago over the past three …

Federated multi-agent deep reinforcement learning (fed-madrl) for dynamic spectrum access

HH Chang, Y Song, TT Doan… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Dynamic spectrum access (DSA) has been introduced as a promising technology that allows
a secondary system to access the licensed spectrum of the primary system to improve …

On the measurement of duty cycle and channel occupancy rate

JJ Lehtomaki, R Vuohtoniemi… - IEEE Journal on …, 2013 - ieeexplore.ieee.org
Duty cycle (DC) and channel occupancy rate (COR) measurements are important to
characterize the availability of white space for cognitive radio systems (CRSs). The COR is …

Improved channel occupancy rate estimation

JJ Lehtomäki, M López-Benítez… - IEEE Transactions …, 2015 - ieeexplore.ieee.org
Channel occupancy rate (COR) is the fraction of the time that a channel is occupied, ie,
contains signal (s) in addition to noise. Estimation of COR is important, eg, in cognitive radio …

Global spectrum observatory network setup and initial findings

T Taher, R Attard, A Riaz, D Roberson… - … on Cognitive Radio …, 2014 - ieeexplore.ieee.org
This paper describes the current efforts underway to set up matched long-term continuously
running spectrum observatories in the US (in Chicago and Blacksburg) and in Turku …

Experimental results on the impact of memory in neural networks for spectrum prediction in land mobile radio bands

O Ozyegen, S Mohammadjafari… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
Aim: We set out to investigate the benefit of the “memory” of long short term memory (LSTM)
networks in predicting spectrum occupancy in multiple time horizons in Land Mobile Radio …

Reliability‐based decision fusion scheme for cooperative spectrum sensing

L Khalid, A Anpalagan - IET Communications, 2014 - Wiley Online Library
In this study, the authors propose a reliability‐based cooperative decision fusion scheme
which considers the reliability of the secondary users (SUs') local decisions when making a …