Zobrazeno 1 - 5
of 5
pro vyhledávání: '"M. Amr Mokhtar"'
Publikováno v:
Alexandria Engineering Journal, Vol 56, Iss 4, Pp 469-475 (2017)
Cognitive radio wireless networks CRNs have been considered as an efficient communication paradigm to the utilization of scarce spectrum. The main purpose of channel reservation of dynamic spectrum access (DSA) is to access these idle channels intell
Externí odkaz:
https://doaj.org/article/5562daf4106b4896b56b737c933c64b5
Publikováno v:
Alexandria Engineering Journal, Vol 56, Iss 4, Pp 469-475 (2017)
Cognitive radio wireless networks CRNs have been considered as an efficient communication paradigm to the utilization of scarce spectrum. The main purpose of channel reservation of dynamic spectrum access (DSA) is to access these idle channels intell
Autor:
M. Amr Mokhtar
Publikováno v:
IOSR Journal of Computer Engineering. 16:07-13
Many digital services, such as confidential video conferencing, medical, military imaging systems and the rapid progress of Internet, require reliable security and encryption in real time to store and transmit these digital images/videos.In this pape
Publikováno v:
2014 International Conference on Computer and Communication Engineering.
DNA computing and Chaos theory introduce promising research areas at the field of Cryptography. In this paper, a stream cipher algorithm for Image Encryption is introduced. The chaotic logistic map is used for confusing and diffusing the Image pixels
Publikováno v:
2009 Fourth International Conference on Digital Telecommunications.
In wireless communication systems, error control coding is necessary to provide reliable communications over fading channels. Turbo code is used practically in third generation due to good error correcting capability. However, it has error floor at h