Browsing Faculty of Engineering by Author "Edemen, Çağatay"
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Cognitive cooperative MAC with one primary and two secondary users: Achievable rates and optimal power control
Edemen, Çağatay; Kaya, O. (IEEE, 2014-11)We consider a three-user fading cognitive cooperative multiple access channel (MAC) with one primary and two secondary transmitters. We propose two encoding/decoding strategies with varying levels of cooperation, based on ... -
FSO-based backhauling for airborne THz base stations
Elamassie, Mohammed; Edemen, Çağatay; Uysal, Murat (IEEE, 2023)Airborne nodes in the form of high-altitude platform stations (HAPSs) or unmanned aerial vehicles (UAVs) can be used for backhauling and wireless access. In this paper, we investigate the cascaded free space optical ... -
Hybrid LiFi/MMW wireless communication system with adaptive vertical handover capability
Narmanlıoğlu, Ömer; Edemen, Çağatay; Ciftci, S.; Kurtoglu, S. B.; Uysal, Murat (IEEE, 2020-10-05)Millimeter wave (MMW) communication was proposed as a high-bandwidth wireless access solution to cope with the increasing user demand for mobile data and has been already standardized in 5G networks. As another highcapacity ... -
IEEE 802.15.7: Visible light communication standard
Uysal, Murat; Edemen, Çağatay; Baykaş, T.; Sarbazi, E.; Shams, P.; Uğurdağ, Hasan Fatih; Celebi, H. (Taylor & Francis, 2017-01-01)Visible light communications (VLC) use the visible spectrum (wavelengths of 390-750 nm or frequency band of 400-790 THz) and provide wireless communication using omnipresent light-emitting diodes (LEDs). Since the human ...
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