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Channel Estimation for DCO-OFDM Based VLC Systems in the Presence of Clipping Noise
(Institute of Electrical and Electronics Engineers Inc., 2020)
Visible Light Communication(VLC) has been considered as a potential access option for 6G wireless systems to solve performance limitation due to bandwidth shortage at radio frequency (RF) band. In VLC system, illumination ...
Cyberterrorism: The Borderless Danger
(Brill, 2020)
Cyberspace has its share of attacks by Turkish hacker groups. Because of the extensive fear of immediate cyber terror, Turkish hacker movements are also feared and called terrorists by western media. Attacks by Turkish ...
Online News Consumption Habits of University Students in Greece and Turkey
(Emerald Group Publishing Ltd., 2020)
The challenges of digitalisation on news organisations, future of newspapers and other traditional media present an ongoing struggle. Although there is a general decline in news consumption in all cohorts, youth in specific ...
The critical point of a sigmoidal curve
(Babeș-Bolyai University, 2020)
Let y(t) be a monotone increasing curve with lim(t ->+/-infinity) y((n))(t) = 0 for all n and let t(n) be the location of the global extremum of the nth derivative y((n))(t). Under certain assumptions on the Fourier and ...