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Recent Submissions

Kısa Paket İletimlerinde Adaptif Blok Uzunluğu Seçimi ile Bilgi Yaşı İhlali Olasılığının Azaltılması Ozkaya, Aysenur; Ceran Arslan, Elif Tuğçe (2022-08-29) Bilginin tazeliğinin bir ölçüsü olan Bilgi Yaşı (BY), küçük boyuttaki durum güncelleme paketlerinin eskimeden bir gözlemciye iletilmesi gerektiği sistemlerde önemli bir ölçüt haline gelmiştir. Bu çalışmadaki amaç, anlık bi...
Kanal ve Enerji Duyarlı Çizelgeleme ile Federe Ögrenme Cakir, Zeynep; Ceran Arslan, Elif Tuğçe (2022-08-29) Bu calısmada, ortamdan enerji hasat edebilen .oksayıda cihazın, kanal durumuna ba˘glı olarak bir makine .˘grenmesimodelini e˘gitti˘gi federe .˘grenme modeli incelenmi.stir. Anaodak, hata olasılıklı kablosuz kanal üzerinde...
An Artificial Neural Network Based Pixel-by-Pixel Lossless Image Compression Method Kamışlı, Fatih (2022-05-15)
Filtering Clean Sample from Noisy Datasets by Creating and Analyzing Artifical Class Yıldırım, Botan; Ulusoy, İlkay (2022-05-15)
A Comparative Analysis of Revealing Temporal Patterns for Driver Drowsiness Detection Ulusoy, İlkay; tüfekçi, gülin; Kayabaşı, Alper (2022-05-15)
A Pattern Reconfigurable Compact Antenna Structure Based on Shorted Microstrip Patches Çelik, Feza Turgay; Alatan, Lale; Aydın Çivi, Hatice Özlem (2022-01-01) A compact pattern reconfigurable antenna structure is proposed. The proposed antenna structure is composed of two shorted quarter-wave microstrip patch antennas placed side by side to share a common shorting plane. Therefo...
Design of integrated photonic controlled-phase gate with programmable phase for quantum applications Basay, Yalin; Kocaman, Serdar (2022-01-01) © 2022 SPIE.Photons are preferable carriers of quantum information having little interaction with environment. Most crucial elements of photonic quantum information processing are two qubit gates. Although usage of control...
A Fully-Implantable Mems-Based Autonomous Cochlear Implant Külah, Haluk; Ulusah, Hasan; Chamanian, Salar; BATU, AYKAN; UĞUR, MEHMET BİROL; Yüksel, Muhammed Berat; Yılmaz, Ali Özgür; YİĞİT, HURŞİT; Koyuncuoglu, Aziz; TOPÇU, ÖZLEM; Soydan, Alper K. (2022-01-01) © 2022 IEEE.This paper reports a fully implantable, MEMS-based, low-power, energy harvesting, next generation cochlear implant (CI). The implant includes multi-frequency piezoelectric transducers for sound detection and en...
A numerical design for SWIR/eSWIR dual-band operation with InGaAs nBn structures Şahin, Alper; Gül, Musa Selim; Uzgur, Fatih; Kocaman, Serdar (2022-01-01) In this paper, we present an nBn type dual-band InGaAs photodetector design with bias selectable cut-off wavelengths of 1.7 mu m and 2.5 mu m. InP based epilayer design consists of a compositionally graded quaternery InAlG...
A 1-V Nanopower Highly Tunable Biquadratic Gm−C Bandpass Filter for Fully Implantable Cochlear Implants Özbek, Berkay; Külah, Haluk (2021-12-23) This paper presents a low power highly tunable second-order Gm−C bandpass filter for auditory signal processing of fully implantable cochlear implants. The resonance frequency of the filter is tunable within the daily acou...
Computational Spectral Imaging With Diffractive Lenses And Spectral Filter Arrays Gundogan, Utku; Öktem, Sevinç Figen (2021-12-22)
Semi-Automatic Annotation For Visual Object Tracking Köksal, Aybora; Alatan, Abdullah Aydın (2021-11-24) We propose a semi-automatic bounding box annotation method for visual object tracking by utilizing temporal information with a tracking-by-detection approach. For detection, we use an off-the-shelf object detector which is...
When to Pull Data for Minimum Age Penalty Yavascan, Orhan T.; Ceran Arslan, Elif Tuğçe; Cakir, Zeynep; Uysal, Elif; Kaya, Onur (2021-10-18) © 2021 IFIP.A communication receiver that wants to pull data from a remote sensor by exploiting wireless energy transfer is considered. The receiver has a long-term average energy budget for this operation, and its goal is...
Near-optimal opportunistic spectrum access in cognitive radio networks in the 5G and IoT era Gül, Ömer Melih (2021-10-04) © 2021 IEEE.We consider a cognitive radio network consisting of M primary users, M primary receivers, a secondary user with K channels and K secondary receivers. A channel is assigned to each primary user for transmitting ...
Işıma Örüntüsü Şekillendirilebilen Kompakt Mikroşerit Yama Anten Çalışması Çelik, Feza Turgay; Alatan, Lale; Aydın Çivi, Hatice Özlem (2021-09-07) Bu çalışmada ışıma örüntüsü şekillendirilebilir mikroşerit anten tasarımı incelenecektir. Tasarımın amacı ışıma örüntüsünü yükseliş düzleminde +400 ile -400 arasında tarayabilmektir. Anten kare mikroşerit yama antenin iki ...
Compact and Directional Printed Dipole Antenna Pair Conformed on a Conical Surface Haykir, Yigit; Kallem, Aydoga; Demir, Şimşek (2021-08-28) In this paper, a small sized transmitting and receiving conformal antenna pair is proposed on a conical surface for C-band radar applications. The antenna pair consists of printed dipole elements and a truncated reflector ...
Accurate and Stable Solutions of Densely Discretized Conductors with a Novel Combined Potential-Field Formulation Eris, Ozgur; Karaova, Gokhan; Ergül, Özgür Salih (2021-08-28) © 2021 URSI.We present a novel surface-integral-equation formulation for accurate, stable, and efficient analyses of three-dimensional conductors with dense discretizations in terms of wavelength. Recently developed potent...
Design and Simulation of Beam-Generating Shells with Near-Zero-Index Characteristics Eris, Ozgur; Ergül, Özgür Salih (2021-08-28) © 2021 URSI.We present design and simulation of three-dimensional shell structures with near-zero-index (NZI) characteristics that generate directive radiation patterns from isotropic sources. Both homogenized and actual m...
Sensor fusion based on integrated navigation data of sea surface vehicle with machine learning method Belge, Egemen; Cantekin, Recep Fatih; Erol, Berna; Akgul, Volkan; Kartal, Seda Karadeniz; Hacioglu, Rifat; Gormus, Sedar Kurtulus; Kutoglu, Senol Hakan; Leblebicioğlu, Mehmet Kemal (2021-08-25) © 2021 IEEE.Underwater mapping is important for many studies such as underwater cable/pipe platform placement and monitoring, bridge piers placement, dam construction, geological and geophysical studies. The position and o...
Unrolling-Based Deep Reconstruction for Compressive Spectral Imaging BEZEK, CAN DENİZ; Öktem, Sevinç Figen (2021-07-23)

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