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Integration of SDR and SDN for 5G
2014
IEEE Access
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With increasing demand, the use of bandwidth and frequency spectrum resources is beyond expectations. ...
This paper found that the frequency spectrum and network information have considerable relevance; thus, spectrum utilization and channel flow interactions should be simultaneously considered. ...
Overall, when faced with a 5G network environment, it simply means allowing more devices to enjoy high quality services at the least cost. ...
doi:10.1109/access.2014.2357435
fatcat:5og5rp2k2rdu7n6xhrb74bkn6q
A Comprehensive Review on Spectrum Management, Security and Energy-Efficient Cognitive Radio Networks
2019
International Journal of Computer Applications
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In addition, we study the energy efficient routing techniques like network optimization frameworks in cooperative networks, protocols and different types of attack issues, approaches for handling the secure ...
This review paper completely investigated the potential management of spectrum techniques, essentially in spectrum sensing, spectrum allocation, spectrum sharing, and spectrum handoff in CRN. ...
Here below lists some of the threats faced by CCC: a. MAC Spoofing: Usually attackers propagate spurious reports, which aim to cancel the activities of CRN. ...
doi:10.5120/ijca2019918371
fatcat:d5yvihq4zfhvxbz4lml7bruxm4
IoT meets COVID-19: Status, Challenges, and Opportunities
[article]
2020
arXiv
pre-print
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In this paper, we examine the current status of IoT applications related to COVID-19, identify their deployment and operational challenges, and suggest possible opportunities to further contain the pandemic ...
As the frequency spectrum range is broad, more bandwidth is available at these frequencies. ...
At present, most of the IoT devices use the licensed spectrum offered by the mobile operators. With the growth of these devices, the bandwidth requirements have also increased. ...
arXiv:2007.12268v1
fatcat:xve4ertz6rfufa6ykww2aciwbm
Design Considerations for 5G Mobile Network
2013
International Journal of Computer Applications
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This aims at better QoS with reduced interference. ...
at transmitter-end to result in lesser interference [37] . ...
doi:10.5120/10116-4787
fatcat:53l6tdaztbeihfb2y4362ibd54
5G technology: towards dynamic spectrum sharing using cognitive radio networks
2020
IEEE Access
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This work aims to conduct an in-depth survey on recent spectrum sharing (SS) technologies towards 5G development and recent 5G-enabling technologies. ...
The surveys and studies are categorised into one of the main SS techniques on the basis of network architecture, spectrum allocation behaviour and spectrum access method. ...
For example, CR needs to scan a wider bandwidth, which makes the EE spectrum sensing scheme crucial in 5G networks. ...
doi:10.1109/access.2020.2966271
fatcat:cobdo5ucibcdpc5jfecbdwhni4
A Distributed Multichannel MAC Protocol for Multihop Cognitive Radio Networks
2010
IEEE Transactions on Vehicular Technology
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In this paper, we look at CR-enabled networks with distributed control. ...
As CR nodes need to hop from channel to channel to make the most use of the spectrum opportunities, we believe distributed multichannel medium access control (MAC) protocols to be key enablers for these ...
This reduces the interference toward the primary and makes it less prone to jamming attacks. As previously mentioned, we assume a CCC that is free of PUs. ...
doi:10.1109/tvt.2009.2029552
fatcat:p3reeakdmfbbzgfczxzh6gjxpy
Intelligent-Reflecting-Surface-Assisted UAV Communications for 6G Networks
[article]
2023
arXiv
pre-print
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6th-Generation (6G) mobile networks, Intelligent Reflective Surfaces (IRSs) and Unmanned Aerial Vehicles (UAVs) have emerged as promising technologies to address the coverage difficulties and resource constraints faced ...
the overhead of beam scanning [90] . ...
In this case, beamforming not only affects interference among multiple users but also plays a crucial role in reducing path loss at high frequencies. ...
arXiv:2310.20242v1
fatcat:favprbezjvgezlkyvvvhg3ofzy
A Survey on Spectrum Management for Unmanned Aerial Vehicles (UAVs)
2021
IEEE Access
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Current spectrum schemes have limitations when applied to UAV networks due to the dynamic nature of UAV networks that require adaptive spectrum decisions and robust schemes that provide seamless and reliable ...
The operation of unmanned aerial vehicles (UAV) imposes various challenges on radio spectrum management to achieve safe operation, efficient spectrum utilization, and coexistence with legacy wireless networks ...
This approach guarantees spectrum isolation, albeit inefficient resources utilization when slices require fewer bandwidths. ...
doi:10.1109/access.2021.3138048
fatcat:2h5ls7ywo5g3bbz454gqatvkw4
Spectrum Assignment in Cognitive Radio Networks: A Comprehensive Survey
2013
IEEE Communications Surveys and Tutorials
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Spectrum assignment is a key mechanism that limits the interference between CR devices and licensed users, enabling a more efficient usage of the wireless spectrum. ...
Interference is a key factor that limits the performance in wireless networks. ...
Spectrum sharing is a functionality that coordinates the spectrum usage among different SUs aiming at minimizing collisions and interference. ...
doi:10.1109/surv.2012.121112.00047
fatcat:icmjsxgednbvdcnees5i4lvaae
Integrating Cognitive Radio with Unmanned Aerial Vehicles: An Overview
2021
Sensors
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Still, UAVs usually operate within unlicensed spectrum bands, competing against the increasing number of mobile devices and other wireless networks. ...
Combining UAVs with Cognitive Radio (CR) may increase their general communication performance, thus allowing them to execute missions where the conventional UAVs face limitations. ...
Future work shall consider a channel occupation mapping aiming at achieving an UAV flight path guided by spectrum occupancy. ...
doi:10.3390/s21030830
pmid:33513689
fatcat:l7at7fc4ofd6nbrmr2ik3vsz2q
The Wireless Craze, The Unlimited Bandwidth Myth, The Spectrum Auction Faux Pas, and the Punchline to Ronald Coase's "Big Joke": An Essay on Airwave Allocation Policy
2001
Social Science Research Network
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First, it is opposed by interests alleging UWB would in fact cause deleterious interference. 367 Any new application faces such concerns, particularly one using novel technical standards, aiming for broad ...
., mobile vs. fixed), bandwidth, and signal reliability. 519 To reduce interference, the FCC restricts unlicensed power emissions. ...
Government would buy (or rent) the spectrum it desires to use at market prices. ...
doi:10.2139/ssrn.286932
fatcat:xvz25bjv5nh4ho3wfqtqrloe3y
IMPORTANT TRENDS IN COMMUNICATIONS AND MEDIA TECHNOLOGIES, APPLICATIONS AND SERVICES—POSSIBLE IMPLICATIONS
2014
Zenodo
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When and if quantum computing occurs, contemporary communications security will face a severe challenge.
b. ...
Implication Bandwidth-efficient techniques simultaneously increase the payload capacity of any infrastructure and reduce the spectrum bandwidth requirements of radio communications technologies. ...
As and when the applications are more and more widespread so are its implications. ...
doi:10.5281/zenodo.10715895
fatcat:tfvdkwtphbbebfzfa3jbxxqgh4
Extreme Communication in 6G: Vision and Challenges for 'in-X' Subnetworks
2021
IEEE Open Journal of the Communications Society
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Interference management is identified as a major challenge in dense deployments, which needs to handle also non-cellular types of interference like jamming attacks and impulsive noise. ...
We discuss potential deployment options, as well as candidate air interface components and spectrum bands. ...
This may further help reducing the need of relaxing the control actions when the interference level in the radio channel increases. ...
doi:10.1109/ojcoms.2021.3121530
fatcat:beue7h3g5ze63ajtpjtctcdula
5G: The Convergence of Wireless Communications
2015
Wireless personal communications
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For this sake, cognitive mobile terminals must acquire accurate real-time knowledge on transmission opportunities through RF spectrum scanning to identify the unoccupied radio channels/bands within the ...
A more recent variant of this offloading approach is White-Fi, which aims at using the TVWS spectrum through cognitive radio for a transmission with the conventional Wi-Fi technology. ...
doi:10.1007/s11277-015-2467-2
pmid:27076701
pmcid:PMC4821549
fatcat:dcl7lklumbchvaiyl23zlzt3ma
A Survey of MAC Protocols for Cognitive Radio Body Area Networks
2015
Sensors
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CR technology can be implemented in WBANs to reduce interference caused by conventional wireless medical applications. ...
Spectrum mobility allows an SU to hand off its assigned channel when a PU is detected and to access a vacant channel to re-establish communication. ...
The coordinator scans the remaining channels to build the interference map when the RSSI is higher than Thres1. ...
doi:10.3390/s150409189
pmid:25903551
pmcid:PMC4431186
fatcat:w3h2qtq6qnd7hiiqkpijn2exu4
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