Medium access control protocols in cognitive radio networks: Overview and general classification

L Gavrilovska, D Denkovski, V Rakovic… - … Surveys & Tutorials, 2014 - ieeexplore.ieee.org
The Cognitive Radio and the Cognitive Radio Networks have recently become one of the
most intensively studied paradigms in wireless communications. The main distinctive …

Sensing and recognition when primary user has multiple transmit power levels

F Gao, J Li, T Jiang, W Chen - IEEE Transactions on signal …, 2015 - ieeexplore.ieee.org
In this paper, a new cognitive radio (CR) scenario called Multiple Primary Transmit Power
(MPTP) is investigated where the primary user (PU) could possibly work on more than one …

An order optimal policy for exploiting idle spectrum in cognitive radio networks

J Oksanen, V Koivunen - IEEE Transactions on Signal …, 2015 - ieeexplore.ieee.org
In this paper, a spectrum sensing policy employing recency-based exploration is proposed
for cognitive radio networks. We formulate the problem of finding a spectrum sensing policy …

Decentralized opportunistic channel access in CRNs using big-data driven learning algorithm

Z Xu, Z Zhang, S Wang, A Jolfaei… - … on Emerging Topics …, 2021 - ieeexplore.ieee.org
Opportunistic channel access in cognitive radio networks (CRNs) under an unknown
environment is gradually receiving a great deal of attention. This article studies the basic …

Analysis and optimization of random sensing order in cognitive radio networks

H Shokri-Ghadikolaei… - IEEE Journal on Selected …, 2014 - ieeexplore.ieee.org
Developing an efficient spectrum access policy enables cognitive radios to dramatically
increase spectrum utilization while ensuring the predetermined quality of service levels for …

Coalition formation and spectrum sharing of cooperative spectrum sensing participants

Z Jiang, W Yuan, H Leung, X You… - IEEE transactions on …, 2016 - ieeexplore.ieee.org
In cognitive radio networks, self-interested secondary users (SUs) desire to maximize their
own throughput. They compete with each other for transmit time once the absence of primary …

Cellular OFDMA cognitive radio networks: Generalized spectral footprint minimization

KGM Thilina, E Hossain… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
We consider the problem of joint subchannel and power allocation for an orthogonal
frequency-division multiple-access (OFDMA)-based cognitive radio network (CRN). We …

One step beyond myopic probing policy: A heuristic lookahead policy for multi-channel opportunistic access

K Wang, L Chen, Q Liu, W Wang… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
In this paper, we consider the probing order and stopping problem arising from the
identification of spectrum holes in multi-channel cognitive radio networks, in which a …

Cognitive radio networks and spectrum sharing

E Hossain, KGM Thilina - Academic Press Library in Mobile and Wireless …, 2016 - Elsevier
In Chapter 13, the motivations and basic concepts of cognitive radio (CR) have been
discussed. In the context of cognitive radio networks (CRNs), the spectrum management …

Adaptive channel selection and slot length configuration in cognitive radio

R Fan, J An, H Jiang, X Bu - Wireless Communications and …, 2016 - Wiley Online Library
This paper investigates the channel selection and slot time configuration in a cognitive radio
network with a number of potential channels. Each channel alternates between ON state (ie …