Results 11 to 20 of about 438,323 (269)

Energy Efficient Cognitive Radio Spectrum Sensing for 5G Networks – A Survey [PDF]

open access: yesEAI Endorsed Transactions on Energy Web, 2021
INTRODUCTION: Recently, the role of Artificial Intelligence plays a major role in the communication sector. As the revolution of spectrum and its standards is progressing towards 5G networks and beyond, there is a rapid innovation in design of 5G ...
Suriya Murugan, M. Sumithra
doaj   +1 more source

Cognitive radio application for vehicular ad hoc networks (VANETS) [PDF]

open access: yesTehnika, 2016
This paper presents the application of cognitive radio technology in vehicular ad-hoc networks aimed to improve the communications between vehicles themselves as well as between vehicles and roadside infrastructure.
Miladić Suzana D.   +2 more
doaj   +1 more source

5G Technology: Towards Dynamic Spectrum Sharing Using Cognitive Radio Networks

open access: yesIEEE Access, 2020
The explosive popularity of small-cell and Internet of Everything devices has tremendously increased traffic loads. This increase has revolutionised the current network into 5G technology, which demands increased capacity, high data rate and ultra-low ...
Wan Siti Halimatul Munirah Wan Ahmad   +6 more
semanticscholar   +1 more source

Design and characteristic analysis of hybrid OFD–LFM–PC waveforms in the MIMO radar

open access: yesThe Journal of Engineering, 2019
In this study, a new set of hybrid orthogonal frequency division–linear frequency modulation–phase coded (OFD–LFM–PC) waveforms are proposed to improve the detection performance of multiple-input-multiple-output (MIMO) radars.
Sheng Hong   +4 more
doaj   +1 more source

Spectrum sharing security and attacks in CRNs: a review [PDF]

open access: yes, 2014
Cognitive Radio plays a major part in communication technology by resolving the shortage of the spectrum through usage of dynamic spectrum access and artificial intelligence characteristics.
Alhakami, Wajdi   +2 more
core   +3 more sources

NOMA in Cooperative Underlay Cognitive Radio Networks Under Imperfect SIC

open access: yesIEEE Access, 2020
In conventional cognitive radio (CR), the users in secondary network (SN) can only access the idle spectrum when users in primary network (PN) are absent.
D. Do, Anh-Tu Le, Byung Moo Lee
semanticscholar   +1 more source

Cognitive Radio Wireless Sensor Networks: Applications, Challenges and Research Trends

open access: yesSensors, 2013
A cognitive radio wireless sensor network is one of the candidate areas where cognitive techniques can be used for opportunistic spectrum access. Research in this area is still in its infancy, but it is progressing rapidly.
Gyanendra Prasad Joshi   +2 more
doaj   +1 more source

Multiband Spectrum Access: Great Promises for Future Cognitive Radio Networks [PDF]

open access: yes, 2014
Cognitive radio has been widely considered as one of the prominent solutions to tackle the spectrum scarcity. While the majority of existing research has focused on single-band cognitive radio, multiband cognitive radio represents great promises towards ...
Ghaith Hattab   +2 more
core   +1 more source

Cognitive radio sensor networks

open access: yesIEEE Network, 2009
Dynamic spectrum access stands as a promising and spectrum-efficient communication approach for resource-constrained multihop wireless sensor networks due to their event-driven communication nature, which generally yields bursty traffic depending on the event characteristics.
Akan, Ozgur B.   +2 more
openaire   +3 more sources

Joint Optimization of Receiver Placement and Illuminator Selection for a Multiband Passive Radar Network

open access: yesSensors, 2017
The performance of a passive radar network can be greatly improved by an optimal radar network structure. Generally, radar network structure optimization consists of two aspects, namely the placement of receivers in suitable places and selection of ...
Rui Xie   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy