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 …

Radio resource allocation techniques for efficient spectrum access in cognitive radio networks

GI Tsiropoulos, OA Dobre, MH Ahmed… - … Surveys & Tutorials, 2014‏ - ieeexplore.ieee.org
This paper provides an overview of cognitive radio (CR) networks, with focus on the recent
advances in resource allocation techniques and the CR networks architectural design. The …

Ten years of research in spectrum sensing and sharing in cognitive radio

L Lu, X Zhou, U Onunkwo, GY Li - EURASIP journal on wireless …, 2012‏ - Springer
Cognitive radio (CR) can successfully deal with the growing demand and scarcity of the
wireless spectrum. To exploit limited spectrum efficiently, CR technology allows unlicensed …

Spectrum handoff in cognitive radio networks: A classification and comprehensive survey

K Kumar, A Prakash, R Tripathi - Journal of Network and Computer …, 2016‏ - Elsevier
The rapid progression in wireless networking has raised the demand of extra spectrum
bands. The current fixed spectrum allocation policy used by the government agencies is …

Analysis of reactive spectrum handoff in cognitive radio networks

CW Wang, LC Wang - IEEE journal on selected areas in …, 2012‏ - ieeexplore.ieee.org
In this paper, we present an analytical framework to evaluate the effects of multiple spectrum
handoffs on channel utilization and latency performances in cognitive radio (CR) networks …

A learning-based QoE-driven spectrum handoff scheme for multimedia transmissions over cognitive radio networks

Y Wu, F Hu, S Kumar, Y Zhu, A Talari… - IEEE journal on …, 2014‏ - ieeexplore.ieee.org
Enabling the spectrum handoff for multimedia applications in cognitive radio networks
(CRNs) is challenging, due to multiple interruptions from primary users (PUs), contentions …

Maximizing energy efficiency of cognitive wireless sensor networks with constrained age of information

A Valehi, A Razi - IEEE Transactions on Cognitive …, 2017‏ - ieeexplore.ieee.org
A cognitive wireless sensor network is considered, where a cluster of secondary sensors
utilize channel vacancies of a primary network and transmit their measurement samples to a …

Location privacy in cognitive radio networks: A survey

M Grissa, B Hamdaoui, AA Yavuz - … Communications Surveys & …, 2017‏ - ieeexplore.ieee.org
Cognitive radio networks (CRNs) have emerged as an essential technology to enable
dynamic and opportunistic spectrum access which aims to exploit underutilized licensed …

Queueing models for cognitive radio networks: A survey

F PalunčIć, AS Alfa, BT Maharaj, HM Tsimba - IEEE Access, 2018‏ - ieeexplore.ieee.org
Cognitive radio networks (CRNs) are an emerging paradigm for next generation wireless
communication systems allowing for more efficient radio spectrum utilization. In order to …

Analytical modeling for spectrum handoff decision in cognitive radio networks

S Zahed, I Awan, A Cullen - Simulation modelling practice and theory, 2013‏ - Elsevier
Cognitive Radio (CR) is an emerging technology used to significantly improve the efficiency
of spectrum utilization. Although some spectrum bands in the primary user's licensed …