On green-energy-powered cognitive radio networks

X Huang, T Han, N Ansari - IEEE Communications Surveys & …, 2015 - ieeexplore.ieee.org
A green-energy-powered cognitive radio (CR) network is capable of liberating the wireless
access networks from spectral and energy constraints. The limitation of the spectrum 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 …

Analysis of priority retrial queue with many types of customers and servers reservation as a model of cognitive radio system

AN Dudin, MH Lee, O Dudina… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
Cognitive radio is emerging as one of the key information transmission technologies to
enhance spectrum efficiency for dramatically increased wireless network capacity requested …

Spectrum sharing in cognitive radio networks with imperfect sensing: A discrete-time Markov model

X Gelabert, O Sallent, J Pérez-Romero, R Agustí - Computer Networks, 2010 - Elsevier
An efficient and utmost utilization of currently scarce and underutilized radio spectrum
resources has stimulated the introduction of what has been coined Cognitive Radio (CR) …

Dynamic spectrum access for cognitive radio networks with prioritized traffics

TMC Chu, H Phan, HJ Zepernick - IEEE communications letters, 2014 - ieeexplore.ieee.org
We develop a dynamic spectrum access (DSA) strategy for cognitive radio networks where
prioritized traffic is considered. Assume that there are three classes of traffic, one traffic class …

Dynamic spectrum sharing for the coexistence of smart utility networks and WLANs in smart grid communications

R Ma, HH Chen, W Meng - IEEE Network, 2016 - ieeexplore.ieee.org
A smart utility network (SUN), as defined in the IEEE 802.15. 4g standard, is an emerging
technology enabling reliable data transmissions in smart grid (SG) neighbourhood area …

Admission control in cognitive radio networks with finite queue and user impatience

J Wang, A Huang, W Wang… - IEEE wireless …, 2013 - ieeexplore.ieee.org
For session-level quality-of-service (QoS) provisioning in cognitive radio networks (CRNs), it
is essential to adopt an effective admission control scheme with appropriate parameters. In …

Analyzing cognitive network access efficiency under limited spectrum handoff agility

MJ NoroozOliaee, B Hamdaoui… - IEEE Transactions …, 2013 - ieeexplore.ieee.org
Most existing studies on cognitive-radio networks assume that cognitive users (CUs) can
switch to any available channel, regardless of the frequency gap between a target channel …

A flexible-bandwidth model with channel reservation and channel aggregation for three-layered cognitive radio networks

MRM Falcão, AM Balieiro, KL Dias - Computer Networks, 2018 - Elsevier
Abstract The Fifth Generation (5G) of wireless communication systems is expected to meet a
large demand for mobile traffic and provide higher data rates, supporting bandwidth-hungry …

Enhancing the performance of low priority SUs using reserved channels in CRN

AT El-Toukhy, H Arslan - IEEE Wireless Communications …, 2019 - ieeexplore.ieee.org
Cognitive radio networks (CRNs) are considered a promising solution for spectrum
resources scarcity and efficient channel utilization. In this letter, multi-dimensional analytical …