Cognitive radio: survey on communication protocols, spectrum decision issues, and future research directions

2011 ◽  
Vol 18 (2) ◽  
pp. 147-164 ◽  
Author(s):  
José Marinho ◽  
Edmundo Monteiro
Keyword(s):  
Cognitive Radio ◽  
Communication Protocols ◽  
Future Research ◽  
Research Directions ◽  
Future Research Directions ◽  
Spectrum Decision ◽  
Radio Survey

A Survey of Security Challenges in Cognitive Radio Networks: Solutions and Future Research Directions

2012 ◽  
Vol 100 (12) ◽  
pp. 3172-3186 ◽  
Author(s):  
Alireza Attar ◽  
Helen Tang ◽  
Athanasios V. Vasilakos ◽  
F. Richard Yu ◽  
Victor C. M. Leung
Keyword(s):  
Cognitive Radio ◽  
Cognitive Radio Networks ◽  
Radio Networks ◽  
Future Research ◽  
Research Directions ◽  
Security Challenges ◽  
Future Research Directions

Security on in-vehicle communication protocols: Issues, challenges, and future research directions

2021 ◽  
Author(s):  
Alfonso Martínez-Cruz ◽  
Kelsey A. Ramírez-Gutiérrez ◽  
Claudia Feregrino-Uribe ◽  
Alicia Morales-Reyes
Keyword(s):  
Communication Protocols ◽  
Future Research ◽  
Research Directions ◽  
Vehicle Communication ◽  
Future Research Directions

scholarly journals A Comprehensive Survey on Spectrum Sensing in Cognitive Radio Networks: Recent Advances, New Challenges, and Future Research Directions

Sensors ◽  
2019 ◽  
Vol 19 (1) ◽  
pp. 126 ◽  
Author(s):  
Youness Arjoune ◽  
Naima Kaabouch
Keyword(s):  
Cognitive Radio ◽  
Spectrum Sensing ◽  
Dynamic Spectrum Access ◽  
Radio Spectrum ◽  
Innovative Technology ◽  
Future Research ◽  
Research Directions ◽  
Wideband Spectrum Sensing ◽  
Recent Advances ◽  
Future Research Directions

Cognitive radio technology has the potential to address the shortage of available radio spectrum by enabling dynamic spectrum access. Since its introduction, researchers have been working on enabling this innovative technology in managing the radio spectrum. As a result, this research field has been progressing at a rapid pace and significant advances have been made. To help researchers stay abreast of these advances, surveys and tutorial papers are strongly needed. Therefore, in this paper, we aimed to provide an in-depth survey on the most recent advances in spectrum sensing, covering its development from its inception to its current state and beyond. In addition, we highlight the efficiency and limitations of both narrowband and wideband spectrum sensing techniques as well as the challenges involved in their implementation. TV white spaces are also discussed in this paper as the first real application of cognitive radio. Last but by no means least, we discuss future research directions. This survey paper was designed in a way to help new researchers in the field to become familiar with the concepts of spectrum sensing, compressive sensing, and machine learning, all of which are the enabling technologies of the future networks, yet to help researchers further improve the efficiently of spectrum sensing.

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