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Coexistence of cognitive radio based networks in tv white space
(Kadir Has Üniversitesi, 2016)
Due to increasing data rates in enhancing wireless communications RF spectrum which is one of the most crucial natural sources has become more valuable. in order to utilize the limited spectrum e_ciently and solve the ...
Performance of orbital angular momentum based communication systems under varied atmospheric turbulence
(Kadir Has Üniversitesi, 2016)
Orbital Angular Momentum is gaining a lot of attention in the past years as it is providing the means to break free from the ever increasing shortage of options when it comes to Data Rates and Effective Frequency Utilization. ...
Realistic performance considerations for combinational cooperative detection method
(Kadir Has Üniversitesi, 2016)
Combinational cooperative detection (CCD) method is different from the conventional cooperative detection method in the sense that each user may reach a different decision for the activity of the primary user. in the CCD ...
Modelling of visible light channels and performance analysis for optical ofdm systems
(Kadir Has Üniversitesi, 2016)
This work is concerned with a challenging problem of modeling and simulation of visible light communications (VLC) channels for optical wireless communication (OWC) systems. A proper channel model for VLC is absent in the ...
Performance of ieee 802.11af systems under realistic channel conditions
(Kadir Has Üniversitesi, 2016)
As the analog TV broadcasting channels have become less frequently used in the last decade there has been a great interest in these frequency bands for the deployment of regional local and personal area networks. Among ...