Number of clusters formed in an emergency cognitive radio network and upper bound of network simultaneous transmission capacity

2014 ◽  
Vol 8 (14) ◽  
pp. 2516-2527
Author(s):  
Xiukui Li ◽  
Seyed Alireza (Reza) Zekavat
Keyword(s):  
Cognitive Radio ◽  
Upper Bound ◽  
Cognitive Radio Network ◽  
Transmission Capacity ◽  
Radio Network ◽  
Number Of Clusters ◽  
Simultaneous Transmission

LIGHT AND SECURE COMMUNICATION ALGORITHM FOR COGNITIVE RADIO NETWORK BY USING LABYRINTHINE AUTHENTICATION FORMULA

2015 ◽  
Vol 76 (1) ◽  
Author(s):  
Fawad Salam Khan ◽  
Talha Naqash ◽  
Muhammad Ibrar Khatak ◽  
Raja Masood Larik
Keyword(s):  
Cognitive Radio ◽  
Radio Frequency ◽  
Communication System ◽  
Secure Communication ◽  
Cognitive Radio Network ◽  
Transmission Capacity ◽  
Effective Range ◽  
Radio Network ◽  
Frequency Range ◽  
Day By Day

Facilities for different sight and sound provisions in remote systems requests extra transmission capacity in the radio frequency range. Effective range administration calculations are important to accomplish massive accomplishment in remote correspondences. Usage of licensed spectrum is increasing day by day so Cognitive Radio is proposed as a solution to meet the demands. CR is a symbolization procedure that distributes the authorized range (the licensed spectrum) despite the fact that facing least obstruction to the authorized clients. In this paper, we investigate the versatile qualities of cognitive radio in secure and dependable correspondence. Anyway the inquiry is the way to make the correspondence dependable such that there happens no spying and data spillage. The conceivable results incorporate coordinating the benefits of spread range balance, utilizing encryption calculations (Encryption keys), and its possibility to switch over different recurrence groups. We concentrate on the different requisitions of CR and the various philosophies which empower a safe Communication system. 

An Energy-Efficient Model of Random Cognitive Radio Network: Rayleigh-Lognormal Environment

2020 ◽  
Vol 114 (3) ◽  
pp. 1963-1981
Author(s):  
Saifur Rahman Sabuj ◽  
Tabassum E Nur ◽  
Masanori Hamamura
Keyword(s):  
Cognitive Radio ◽  
Energy Efficient ◽  
Cognitive Radio Network ◽  
Radio Network
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