Resource allocation for underlay cognitive radio networks: A survey

M El Tanab, W Hamouda - IEEE Communications Surveys & …, 2016 - ieeexplore.ieee.org
For conventional wireless networks, the main target of resource allocation (RA) is to
efficiently utilize the available resources. Generally, there are no changes in the available …

Channel assignment algorithms in cognitive radio networks: Taxonomy, open issues, and challenges

E Ahmed, A Gani, S Abolfazli, LJ Yao… - … Surveys & Tutorials, 2014 - ieeexplore.ieee.org
The cognitive radio is an emerging technology that enables dynamic spectrum access in
wireless networks. The cognitive radio is capable of opportunistically using the available …

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 …

White space: Definitional perspectives and their role in exploiting spectrum opportunities

F Akhtar, MH Rehmani, M Reisslein - Telecommunications Policy, 2016 - Elsevier
Abstract The US Federal Communications Commission (FCC) defines white space as the
channels that are unused at a specific location or time. For futuristic cognitive radio (CR) …

Multiple access schemes for cognitive radio networks: A survey

A Kumar, K Kumar - Physical Communication, 2020 - Elsevier
Spectrum bands are the backbone of wireless networks. Every user is allocated a fraction of
the spectrum from available fixed spectrum band. But, the fixed available spectrum band …

The virtual windtunnel

S Bryson, S JOHAN, L SCHLECHT… - … Review 1998: (In 2 …, 1998 - World Scientific
This paper describes the virtual windtunnel, a virtual reality-based, near-real-time interactive
system for CFD visualization. The virtual windtunnel supports several visualization …

A spectrum sensing technique based on autocorrelation and Euclidean distance and its comparison with energy detection for cognitive radio networks

H Reyes, S Subramaniam, N Kaabouch… - Computers & Electrical …, 2016 - Elsevier
Spectrum sensing is an important aspect of cognitive radios. This paper describes a method
for spectrum sensing based on the autocorrelation of the received samples. The proposed …

Advances on exploiting polarization in wireless communications: Channels, technologies, and applications

C Guo, F Liu, S Chen, C Feng… - … Surveys & Tutorials, 2016 - ieeexplore.ieee.org
Polarization is an important property of electromagnetic waves. It has shown the great
application potential in optical fiber, radar, and satellite communications, where polarization …

Quality of experience of VoIP service: A survey of assessment approaches and open issues

S Jelassi, G Rubino, H Melvin… - … surveys & tutorials, 2012 - ieeexplore.ieee.org
This survey gives a comprehensive review of recent advances related to the topic of VoIP
QoE (Quality of user'Experience). It starts by providing some insight into the QoE arena and …

Multiuser resource allocation optimization using bandwidth-power product in cognitive radio networks

Y Tachwali, BF Lo, IF Akyildiz… - IEEE journal on selected …, 2013 - ieeexplore.ieee.org
In this paper, the problem of resource allocation optimization is studied for a single-cell
multiuser cognitive radio network in the presence of primary user networks. The spectral …