Browsing by Author "2"
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15-15-0747-00-007a-tg7r1-cirs-channel-model-document-for-high-rate-pd-communications
Uysal, Murat; Baykas, T.; Miramirkhani, Farshad; Serafimovski, N.; Jungnickel, V. (IEEE, 2015-11-14)The LiFi channels developed by Prof. Murat Uysal and Mr. Miramirkhani were selected as the "LiFi Reference Channel Models" by the IEEE 802.15.7r Task Group during the IEEE's latest meeting held in Bangkok, Thailand, in ... -
16-elements helical antenna system integration with a solar cell powered IoT collector
Ullah, Naveed; Tekin, Ahmet (IEEE, 2019)An 868MHz-915MHz 16-elements helical wire antenna array design with a solar-cell integration is presented. Each element is designed to be omni-directional with the corresponding tuning stubs and ground substrate. This is ... -
21. yüzyıl trendleri ve akademik kütüphanelerle ilişkisi
İspir, Zeynep; Torlak, Duhan (Üniversite ve Araştırma Kütüphanecileri Derneği, 2020)21. yüzyılda ivme kazanan teknolojik gelişmeler her alanı olduğu gibi kütüphaneleri de etkilemiştir. Bu gelişmelere paralel olarak kütüphaneler ve bilgi uzmanları bu yüzyılda kullanıcıların farklı ihtiyaçları ile ... -
3-D extension of chemical mechanical polishing for nano-structuring applications on alternative technologies
Özdemir, Zeynep; Başım, Gül Bahar (The Electrochemical Society, 2016)In this study we tune the chemical mechanical polishing process to a 3-D level to generate controlled nanostructures on functional metallic surfaces such as titanium implants and steel based heating elements. The chemical ... -
3B kamera takibi için eylemsizlik algılayıcılarının birleştirilmesi
Özer, N.; Erdem, Tanju; Ercan, Ali Özer; Eroğlu Erdem, Ç. (IEEE, 2012)It is well known in a Bayesian filtering framework, the use of inertial sensors such as accelerometers and gyroscopes improves 3D tracking performance compared to using camera measurements only. The performance improvement ... -
Acoustic analysis of an axial fan
Hashım, Hafız Muhammad; Dogruoz, M. B.; Arık, Mehmet (IEEE, 2017)Axial fans are often used in cooling electronic enclosures where low noise levels are highly demanded. Therefore, methods for predicting the noise emitted by an application including single or multiple fans are desirable ... -
An active brace for controlled transdermal drug delivery for adjustable physical therapy
Erol, Levent; Bebek, Özkan; Karagöz, Ayşe; Başım, Gül Bahar (IEEE, 2014)This study presents an active brace which is a cost efficient precision-controlled advanced therapy medicinal product for time and rate controlled transdermal drug delivery (TDD) through the use of drug containing nanoparticles ... -
Active-grid turbulence effect on the topology and the flame location of a lean premixed combustion
Alhumairi, Mohammed Khudhair Abbas; Ertunç, Özgür (Society of Thermal Engineers of Serbia, 2018)Lean premixed combustion under the influence of active-grid turbulence was computationally investigated, and the results were compared with experimental data. The experiments were carried out to generate a premixed flame ... -
Adaptation to internet-based services by seniors in Turkey
Kuzuluk, Nisan; Balkaya, Melike; Güner, Güney (The Design Society, 2018)The motivation of this article is to analyze and define the barriers and opportunities in senior people’s adaptation to the Internet-based services in Turkey. Digitalization has emerged in developed countries where people’s ... -
Adaptive 6.78-MHz ISM band wireless charging for small form factor receivers
Abouzeid, Mohamed Osama Hussein Soliman; Tekin, Ahmet (IEEE, 2017)This paper presents a low cost wireless power transfer system tailored particularly for size limited insulation sealed wearable devices. The 5-V USB input system features a crystal oscillator as reference signal source, a ... -
Adaptive domain-specific service monitoring
Ünsal, A. A.; Sazara, G.; Aktemur, Tankut Barış; Sözer, Hasan (Springer Science+Business Media, 2014)We propose an adaptive and domain-specific service monitoring approach to detect partner service errors in a cost-effective manner. Hereby, we not only consider generic errors such as file not found or connection timed ... -
Adaptive free space optical communication system with multiple apertures
Nouri, Hatef; Uysal, Murat (2016)In the current literature on free space optical (FSO) communication, typically open-loop designs are considered where the knowledge of channel state information is only available at the receiver. This is mostly favorable ... -
Adaptive MIMO FSO communication systems with spatial mode switching
Nouri, Hatef; Uysal, Murat (IEEE, 2018-08)In this paper, we propose an adaptive multiple-input multiple-output (MIMO) free-space optical (FSO) system with dynamic adaptation between spatial modes of operation. The proposed adaptive system supports three MIMO modes. ... -
Adaptive unipolar MIMO-OFDM for visible light communications
Al-Nahhal, Mohamed; Basar, E.; Uysal, Murat (IEEE, 2019)Unipolar orthogonal frequency division multiplexing (U-OFDM) appears as an attractive optical OFDM solution for emerging visible light communication (VLC) systems. This paper proposes spectral efficiency improvement for ... -
An adaptive vent system for localized and customized thermal management in buildings
Keskin, Cem; Mengüç, Mustafa Pınar (ASME, 2020-05-01)This paper introduces an innovative ventilation system that is capable of providing localized and customized thermal conditions in buildings. The system has diffusers with individually operable flaps that facilitate ... -
Aligning sustainable development principles and sectoral education
Özuyar, Pınar Gökçin; Beyhan, Tugce Baykent (Springer, 2018)The competitive environment for new graduates to acquire a well-paid and satisfying job position and the long-standing gap between recent university graduates and business requirements as to the skills of these graduates, ... -
All-optical amplify-and-forward relaying system for atmospheric channels
Aminikashani, Mohammadreza; Rad, M. M.; Safari, M.; Uysal, Murat (IEEE, 2012-10)In this letter, we investigate the performance of a dual-hop free space optical link with an all-optical amplify-and-forward relay. We employ photon counting methodology and derive closed form expressions for the end-to-end ... -
Analysis of energy harvesting for green cognitive radio networks
Ercan, Ali Özer; Sunay, Mehmet Oğuz; Pollin, S. (IEEE, 2014)This paper develops a Markov Chain analysis framework for an RF energy harvesting cognitive radio network where the secondary system users are furnished with finite-sized batteries. We consider a network where the only ... -
Analysis of speaker similarity in the statistical speech synthesis systems using a hybrid approach
Güner, Ekrem; Mohammadi, A.; Demiroğlu, Cenk (IEEE, 2012)Statistical speech synthesis (SSS) approach has become one of the most popular and successful methods in the speech synthesis field. Smooth speech transitions, without the spurious errors that are observed in unit selection ... -
Analysis of speech-based measures for detecting and monitoring Alzheimer’s disease
Khodabakhsh, Ali; Demiroğlu, Cenk (Springer Science+Business Media, 2014)Automatic diagnosis of the Alzheimer’s disease as well as monitoring of the diagnosed patients can make significant economic impact on societies. We investigated an automatic diagnosis approach through the use of speech ...
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