Browsing WoS İndeksli Yayınlar Koleksiyonu by Author "Uysal, Murat"
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Characterization of LEDs for visible-light communications
Kısacık, Rıfat; Yalçınkaya, Arda Deniz; Pusane, Ali Emre; Baykaş, Tunçer; Uysal, Murat (SPIE-Society of Photo-Optical Instrumentation Engineers, 2021)Recent advances in solid-state technologies have enabled the development of light-emitting diodes (LEDs) with favorable features such as long life expectancy, low-power consumption, and reduced heat dissipation. Visible-light ... -
Comparative performance evaluation of VLC, LTE and WLAN technologies in indoor environments
Zeshan, Arooba; Karbalayghareh, Mehdi; Miramirkhani, Farshad; Uysal, Murat; Baykaş, Tunçer (Institute of Electrical and Electronics Engineers Inc., 2021)Recent years have seen an exponential rise in the demand for indoor wireless connections that have driven future generation networks to aim for higher data rates with extended coverage and affordable rates. The two most ... -
A European view on the next generation optical wireless communication standard
Jungnickel, Volker; Uysal, Murat; Serafimovski, Nikola; Baykaş, Tunçer; O'Brien, Dominic; Ciaramella, Eernesto; Ghassemlooy, Zabih; Green, Roger; Haas, Harald; Haigh, Paul Anthony; Gil Jiménez, VÍctor; Miramirkhani, Farshad; Wolf, Mike; Zvánovec, Stanislav (Institute of Electrical and Electronics Engineers, 2015)Optical wireless technology uses light for mobile communications. The idea is to simultaneously combine the illumination provided by modern high-power light-emitting diodes (LEDs) with high-speed wireless communications. ... -
Experimental validation of a novel RLL code for visible light communication
Yağan, Muhammed Yaser; Kısacık, Rıfat; Erkınacı, Tufan; Pusane, Ali Emre; Uysal, Murat; Baykaş, Tunçer; Dündar, Günhan; Yalçınkaya, Arda Deniz (IEEE-Institute of Electrical and Electronics Engineers Inc, 2020)Flicker arising in visible light communication (VLC) system is typically mitigated by run-length-limited (RLL) codes. The IEEE 802.15.7 standard proposes RLL codes according to the modulation type and data rate. In this ... -
Görünür ışık haberleşmesi için son denkleştirme gerçekleştiren opto-elektronik alıcı sistemi
Kısacık, Rıfat; Erkınacı, Tufan; Yagan, Muhammed Yaser; Pusane, Ali Emre; Uysal, Murat; Baykaş, Tunçer; Dündar, Günhan; Yalçınkaya, Arda Deniz (Institute of Electrical and Electronics Engineers Inc., 2020)Bu bildiride, görünür ışık haberleşme sistemi için opto-elektronik alıcı devre tasarımı yapılarak veri hızında önemli bir artış gerçekleştirilmiştir. Görünür haberleşme sisteminde verici taratfa kullanılan LED’ler sınırlı ... -
Görünür ışık haberleşmesinde mesafe ve güce bağlı kanal modeli deneysel doğrulaması
Kısacık, Rıfat; Efe, Barış Can; Pusane, Ali Emre; Uysal, Murat; Baykaş, Tunçer; Dündar, Günhan; Yalçınkaya, Arda Deniz (IEEE-Inst Electrical Electronics Engineering Inc, 2019)Bu bildiride, görünür ışık haberleşme sisteminde direkt görüş hattı için kanal modellemesi problemi ele alınmıştır. Sunulan kanal modelinde LED ve fotodiyot arasında filtre veya mercek gibi herhangi bir optik ... -
IEEE 802.15.7r1 reference channel models for visible light communications
Uysal, Murat; Miramirkhani, Farshad; Narmanlıoğlu, Ömer; Baykaş, Tunçer; Panayırcı, Erdal (IEEE-Inst Electrical Electronics Engineers Inc, 2017)The IEEE has established the standardization group 802.15.7r1 "Short Range Optical Wireless Communications", which is currently in the process of developing a standard for visible light communication (VLC). As with any ... -
Link adaptation for MIMO OFDM visible light communication systems
Narmanlıoğlu, Ömer; Kızılırmak, Refik Çağlar; Baykaş, Tunçer; Uysal, Murat (IEEE-Inst Electrical Electronics Engineers Inc, 2017)In this paper, we investigate link adaptation for an orthogonal frequency division multiplexing (OFDM)-based multiple-input multiple-output (MIMO) visible light communication (VLC) system. The proposed adaptive OFDM VLC ... -
Optik iletişim sistemlerinde standart CMOS fotodiyotlarin uygulaması
Çamlı, Berk; Yalçınkaya, Arda Deniz; Pusane, Ali Emre; Kısacık, Rıfat; Maç, Muhittin; Uysal, Murat; Baykaş, Tuncer (IEEE Inc., 2017)Bu bildiride standart CMOS üretim süreçleri ile gerçeklenmiş, mikroelektronik sistemlere düşük maliyetle tümleştirilebilecek fotodiyot yapılarının optik haberleşme sistemlerine uygulanabilirliği incelenmiştir. Silikon ... -
Statistical modeling of propagation channels for Terahertz band
Ekti, Ali Rıza; Boyacı, Ali; Alparslan, Altan; Ünal, İlhami; Yarkan, Serhan; Görçin, Ali; Arslan, Hüseyin; Uysal, Murat (Institute of Electrical and Electronics Engineers Inc., 2017)Digital revolution and recent advances in telecommunications technology enable to design communication systems which operate within the regions close to the theoretical capacity limits. Ever-increasing demand for wireless ...