• Transformer-less ladder network design with non-minimum impedance functions 

  Yıldız, Serkan; Aksen, Ahmet; Yarman, Bekir Sıddık Binboğa (Institute of Electrical and Electronics Engineers Inc., 2019-11)

  In this study, a new method of design for transformer-less ladders is introduced. It has been shown that, given a non minimum impedance function which includes finite transmission zeros (FTZs) can be synthesized without ...

• Tel file geometrilerinin sıradüzensel küme bölüntüleme ile spektral kodlaması 

  Konur, Umut; Bayazıt, Uluğ; Ateş, Hasan Fehmi; Gürgen, Fikret S. (IEEE, 2007-09-04)

  Çalışmamızda bir dönüşümle elde edilen spektral katsayılar kullanılarak betimlenen tel file geometri bilgisi, katsayılara bütün bit düzlemlerinde en doğru öncelikler atanarak sıradüzensel bir küme bölüntüleme algoritmasıyla ...

• Improving age of information in random access channels 

  Kaya, Onur; Atabay, Doğa Can; Uysal, Elif (Institute of Electrical and Electronics Engineers Inc., 2020-07)

  We study Age of Information (AoI) in a random access channel where a number of devices try to send status updates over a common medium. Assuming a time-slotted scenario where multiple transmissions result in collision, we ...

• Uzaktan algılanan görüntülerde bina yoğunluğu kestirimi için derin öğrenme 

  Süberk, Nilay Tuğçe; Ateş, Hasan Fehmi (Institute of Electrical and Electronics Engineers Inc., 2019-09)

  Bu bildiri, derin öğrenme yöntemleri uygulayarak uzaktan algılamalı optik görüntülerde bina yoğunluğunun noktasal olarak kestirilmesi ile ilgilidir. Bu çalışma kapsamında, evrişimsel sinir ağına (ESA) dayalı derin öğrenme ...

• Energy and data cooperation in energy harvesting multiple access channel 

  Gürakan, Berk; Şişman, Berrak; Kaya, Onur; Ulukuş, Sennur (Institute of Electrical and Electronics Engineers Inc., 2016-08-26)

  We consider the energy harvesting two user Gaussian multiple access channel (MAC), where both users harvest energy from nature. The users cooperate at the physical layer (data cooperation) by establishing common messages ...

• Computer assisted sperm motility analysis implemented on hybrid CPU+FPGA architecture as an intelligent microscope application 

  Şavkay, Osman Levent; Yalçın, Müştak Erhan; Tavşanoğlu, Ahmet Vedat (IEEE Computer Society, 2016)

  In this paper we present a Computer Assisted Semen Analysis (CASA) system which is designed and implemented on a hybrid CPU+FPGA architecture platform. The sperm motility analysis deals with the dynamics of sperm movements, ...

• A discussion on spatiotemporal filtering on a third generation real-time cellular neural network processor 

  Yıldız, Nerhun; Cesur, Evren; Tavşanoğlu, Ahmet Vedat (IEEE Computer Society, 2016)

  A third generation Real-Time Cellular Neural Network (CNN) Processor (RTCNNP-v3) is a CNN emulator currently being implemented targeting FPGA devices. Thanks to the frame buffer support of the RTCNNP-v3 it will be possible ...

• On the way to a third generation real-time cellular neural network processor 

  Yıldız, Nerhun; Cesur, Evren; Tavşanoğlu, Ahmet Vedat (IEEE Computer Society, 2016)

  In this proceeding, the architecture of a third generation Real-Time Cellular Neural Network (CNN) Processor (RTCNNP-v3) is disclosed, which is a digital CNN emulator to be implemented on an FPGA device. The previous ...

• Spectral coding of mesh geometry with a hierarchical set partitioning algorithm 

  Konur, Umut; Bayazıt, Uluǧ; Ateş, Hasan Fehmi; Gürgen, Fikret Sadık (Spie-Int Soc Optical Engineering, 2008)

  This work proposes a progressive mesh geometry coder, which expresses geometry information in terms of spectral coefficients obtained through a transformation and codes these coefficients using a hierarchical set partitioning ...

• EEG signal compression based on classified signature and envelope vector sets 

  Gürkan, Hakan; Güz, Ümit; Yarman, Bekir Sıddık Binboğa (IEEE Computer Society, 2007)

  In this paper, a novel method to compress ElectroEncephaloGram (EEG) Signal is proposed. The proposed method is based on the generation Classified Signature and Envelope Vector Sets (CSEVS) by using an effective k-means ...

• Diffraction of two-dimensional high-frequency electromagnetic waves by a locally perturbed two-part impedance plane 

  İdemen, Mehmet Mithat; Alkumru, Ali (2004)

  Among the wave propagation problems, those connected with half-spaces bounded by sectionally homogeneous boundaries take important place because they are motivated by microwave applications. If the boundary are of three ...

• Real-time video frame differentiator based on DDR3 SDRAM memory interface 

  Davutoğlu, Doğancan; Yıldız, Nerhun; Tavşanoğlu, Ahmet Vedat; Ayten, Umut Engin (IEEE Computer Society, 2018-08)

  In this paper, design of a real-time video frame differentiator based on an external memory interface is proposed. Furthermore, implementation and simulation processes of the design is discussed. The proposed design is ...

• Demo: Real-time video frame differentiator based on external memory interface 

  Davutoğlu, Doğancan; Yıldız, Nerhun; Ayten, Umut Engin; Tavşanoğlu, Ahmet Vedat (IEEE Computer Society, 2018-08)

  Implementation and demonstration processes of a real-time video frame differentiator based on an external memory interface is described in this paper. The video frame differentiation process is successfully implemented on ...

• A path loss model for vehicle-to-vehicle visible light communications 

  Miramirkhani, Farshad; Uysal, Murat; Eldeeb, Hossien Badr (Institute of Electrical and Electronics Engineers Inc., 2019-07)

  The increasing adoption of LEDs in exterior automotive lighting makes visible light communication (VLC) a natural solution for vehicular networking. In this paper, we consider a vehicle-to-vehicle link and propose a path ...

• Broadband matching of PA-To-PCB interconnection for X-band wireless power transfer 

  Köprü, Ramazan (Institute of Electrical and Electronics Engineers Inc., 2019-08)

  Design and simulation of a microwave wideband microstrip unit element bandpass matching network is presented, potential use might be a broadband WPT (microwave wireless power transfer) application in X-band frequencies ...

• A single matching network design for a dual band PIFA antenna via simplified real frequency technique 

  Lindberg, Peter; Şengül, Metin; Çimen, Ebru Gürsu; Yarman, Bekir Sıddık Binboğa; Rydberg, Anders; Aksen, Ahmet (2006-10)

  In this paper, the matched performance of a dual band PIFA antenna is reported. The return loss of the antenna has been optimized over the popular commercial wireless communication bands of 824-960 MHz and 1710-1990 MHz ...

• Forward-looking IVUS imaging using an annular-ring CMUT array 

  Deǧertekin, Fahrettin Levent; Karaman, Mustafa; Güldiken, Rasim Oytun (IEEE, 2005)

  A 64-element, 1.15mm diameter annular-ring CMUT array was characterized and used for forward-looking IVUS imaging tests. The array was manufactured using low temperature processes suitable for CMOS electronics integration ...

• A miniature real-time volumetric ultrasound imaging system 

  Wygant, Ira O.; Yeh, David T.; Zhuang, Xuefeng; Nikoozadeh, Amin; Oralkan, Ömer; Ergün, Arif Sanlı; Karaman, Mustafa; Khuri-Yakub, Butrus Thomas (SPIE-Int Soc Optical Engineering, 2005)

  Progress made in the development of a miniature real-time volumetric ultrasound imaging system is presented. This system is targeted for use in a 5-mm endoscopic channel and will provide real-time, 30-mm deep, volumetric ...

• Radio resource management for OFDMA-based mobile relay enhanced heterogenous cellular networks 

  Baştürk, İlhan; Özbek, Berna; Edemen, Çağatay; Tan, Ahmet Serdar; Zeydan, Engin; Ergüt, Salih (2013)

  In this paper, we focus on the radio resource management problem for the Orthogonal Frequency Division Multiple Access (OFDMA)-based mobile relay-enhanced het erogenous cellular networks. We combine mobile relaying and ...

• A sequential Monte Carlo method for blind phase noise estimation and data detection 

  Panayırcı, Erdal; Çırpan, Hakan Ali; Moeneclaey, Marc (IEEE, 2005)

  In this paper, a computationally efficient algorithm is presented for blind phase noise estimation and data detection jointly, based on a sequential Monte Carlo method. The basic idea is to treat the transmitted symbols ...

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