Browsing Electrical & Electronics Engineering by Author "3"
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Optik iletişim sistemlerinde standart CMOS fotodiyotların uygulaması
Çamlı, B.; Yalçınkaya, A. D.; Pusane, A. E.; Kısacık, Rıfat; Maç, Muhittin; Uysal, Murat; Baykaş, T. (IEEE, 2017)Bu bildiride standart CMOS üretim süreçleri ile gerçeklenmiş, mikroelektronik sistemlere düşük maliyetlerle tümleştirilebilecek fotodiyot yapılarının optik haberleşme sistemlerine uygulanabilirliği incelenmiştir. Silikon ... -
Performance characterization of underwater visible light communication
Elamassie, Mohammed; Miramirkhani, Farshad; Uysal, Murat (IEEE, 2019-01)In this paper, we investigate the performance limits of underwater visible light communication (UVLC) systems. We first develop a closed-form path loss expression as a function of transceiver parameters and water type. We ... -
Performance of eU-OFDM based relay-assisted visible light communications
Djengomemgoto, Gerard; Narmanlioglu, Omer; Uysal, Murat (IEEE, 2016)In this paper, we consider relay-assisted visible light communication (VLC) system where intermediate light source cooperates with main light source. Following IEEE 802.15.7r VLC reference channel model, we assume presence ... -
Poster: on-board camera video transmission over vehicular VLC
Narmanlioglu, Omer; Turan, B.; Kebapci, Burak; Coleri Ergen, S.; Uysal, Murat (IEEE, 2017)Vehicular connectivity is envisaged to extend vehicle on-board camera videos to the nearby vehicles in order to increase drivers' road awareness. This paper demonstrates the possibilities of video transmission captured by ... -
RoCoCo: row and column compression for high-performance multiplication on FPGAs
Uğurdağ, Hasan Fatih; Keskin, O.; Tunç, Cihan; Temizkan, Fatih; Fici, G.; Dedeoğlu, S. (IEEE, 2011)Multiplication is, in no doubt, one of the top few frequently used operations in hardware and software. In high-performance hardware design, after high-level optimizations are exhausted, component level optimizations are ... -
Software defined VLC system: implementation and performance evaluation
Hussain, Waqas; Uğurdağ, Hasan Fatih; Uysal, Murat (IEEE, 2015)This paper presents the implementation of an IEEE standard-based Visible Light Communication (VLC) system using software defined radio (SDR) approach. Based on widely used SDR platform Universal Software Radio Peripheral ... -
Vehicle-to-infrastructure visible light communications: Channel modelling and capacity calculations
Eldeeb, Hossıen Badr; Elamassie, Mohammed; Uysal, Murat (IEEE, 2020)In this paper, we investigate the performance of a visible light communication (VLC) system for vehicle-to-infrastructure (V2I) connectivity. Two headlamps of the vehicle serve as wireless transmitters while photodetectors ... -
Vehicular visible light communications with SPAD receivers
Karbalayghareh, Mehdi; Miramirkhani, Farshad; Safari, M.; Uysal, Murat (IEEE, 2019)Light emitting diodes (LEDs) are increasingly used in automotive exterior lighting. The expected wide availability of LED-based front and back lights makes visible light communication (VLC) a natural vehicular connectivity ... -
Visible light channel modeling for gas pipelines
Miramirkhani, Farshad; Uysal, Murat; Narmanlıoğlu, Ömer; Abdallah, M.; Qaraqe, K. (IEEE, 2018-04)In this paper, we explore the use of visible light communication as a means of wireless monitoring in gas pipelines. In an effort to shed light on the communication limits in the presence of gas, we create a three-dimensional ...
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