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 …

Analysis on channel bonding/aggregation for multi-channel cognitive radio networks

L Jiao, V Pla, FY Li - 2010 European wireless conference (EW), 2010 - ieeexplore.ieee.org
Channel bonding/aggregation techniques, which assemble several channels together as
one channel, could be used in cognitive radio networks for the purpose of achieving better …

Modeling and performance analysis of channel assembling in multichannel cognitive radio networks with spectrum adaptation

L Jiao, FY Li, V Pla - IEEE Transactions on vehicular …, 2012 - ieeexplore.ieee.org
To accommodate spectrum access in multichannel cognitive radio networks (CRNs), the
channel-assembling technique, which combines several channels together as one channel …

On the performance of channel assembling and fragmentation in cognitive radio networks

L Jiao, IAM Balapuwaduge, FY Li… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
Flexible channel allocation may be applied to multi-channel cognitive radio networks
(CRNs) through either channel assembling (CA) or channel fragmentation (CF). While CA …

Dynamic channel aggregation strategies in cognitive radio networks with spectrum adaptation

L Jiao, FY Li, V Pla - 2011 IEEE Global Telecommunications …, 2011 - ieeexplore.ieee.org
In cognitive radio networks, channel aggregation techniques which combine several
channels together as one channel have been proposed in many MAC protocols. In this …

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 …

Design and implementation of VoIP based two-tier cognitive radio network for improved spectrum utilization

T Chakraborty, IS Misra, T Manna - IEEE Systems Journal, 2015 - ieeexplore.ieee.org
Cognitive radio networks (CRN) have paved the way toward the increase in spectrum
utilization through opportunistic usage of available idle spectrum bands. However, its …

Spectrum allocation in cognitive radio networks using multi-objective differential evolution algorithm

KK Anumandla, B Akella, SL Sabat… - 2015 2nd International …, 2015 - ieeexplore.ieee.org
In the existing literature the forced termination probability is analyzed after the completion of
spectrum allocation (SA) process. Since the forced termination probability depends on the …

Channel allocation and reallocation for cognitive radio networks

T Jiang, H Wang, S Leng - Wireless Communications and …, 2013 - Wiley Online Library
In this paper, a new channel allocation and re‐location scheme is proposed for cognitive
radio users to efficiently utilize available spectrums. We also present a multiple‐dimension …