Recent Submissions

  • Demodulation Using Block and Data Flow Based Object Oriented Approach 

    Sever, M.; Tavlı, Bülent (Institute of Electrical and Electronics Engineers Inc., 2020-10)
    Demodulation aims to extract message information from modulated signals. It is implemented by software using digital signal processing algorithms. Demodulation is of great importance in Communication Electronic Support ...
  • Surface Gateway Placement Optimization for Underwater Sensor Networks 

    Kahriman, Berkay; Ali Murat Demirtas; Tavlı, Bülent (Institute of Electrical and Electronics Engineers Inc., 2020-11)
    Research on Underwater Sensor Networks (UWSNs) have been increasing drastically due to their significant potential for solving technically challenging problems. However, the challenging operating conditions such ...
  • Design and simulation of spoof surface plasmon polariton delay lines at 1 THz 

    Unutmaz, Muhammed Abdullah; Ünlü, Mehmet (SPIE, 2020-03)
    We present design and simulation of spoof Surface Plasmon Polariton (sSPP) delay lines with same physical length to compose a 1-bit 180ᵒ phase shifter at 1 THz. The sSPP delay lines are based on single conductor waveguide, ...
  • Constant Envelope Precoding and Non-Orthogonal Multiple Access for Massive MIMO Systems 

    Ozcan, T.; Yüksel, Melda (Institute of Electrical and Electronics Engineers Inc., 2020-10)
    Constant Envelope (CE) precoding is a transmission technique, which provides efficient power amplification and can be realised with a single radio frequency (RF) chain at the multi-antenna transmitter. In this paper, we ...
  • Use of GNU Radio as a Validation and Visualization Tool in Communications Electronic Support Project 

    Sever, M.; Tavlı, Bülent (Institute of Electrical and Electronics Engineers Inc., 2020-04)
    Software Defined Radio (SDR) aims to implement components once implemented on hardware like mixer, filter, amplifier, modulator/demodulator, detector on general purpose processor or embedded platforms. We can examine SDR ...
  • The Evaluation of Telecommunication Signal Processing Techniques for EMG Disease Classification 

    Çevikgibi, Bugra Alp; Güngen, Murat Alp; Girici, Tolga (IEEE, 2020-08)
    Electromyography (EMG) is a biological signal widely used in medical imaging. It is used by doctors for the classification and diagnosis of myopathic and neuropathic diseases. Many different techniques have been used to ...
  • User Discovery in Device-to-Device Communications 

    Harmanci, Taner; Girici, Tolga (IEEE, 2020-08)
    In this article, user discovery simulations are carried out in device-to-device communication in medium of Matlab within the frame of 3GPP standards. In this study, the random backoff method that has been touched upon ...
  • Backhaul-Aware Optimization of UAV Base Station Location and Bandwidth Allocation for Profit Maximization 

    Cicek, Cihan Tugrul; Gültekin, Hakan; Tavlı, Bülent; Yanikomeroglu, Halim (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2020)
    Unmanned Aerial Vehicle Base Stations (UAV-BSs) are envisioned to be an integral component of the next generation Wireless Communications Networks (WCNs) with a potential to create opportunities for enhancing the capacity ...
  • Q-Learning Based Scheduling With Successive Interference Cancellation 

    Mete, Ezgi; Girici, Tolga (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2020-09)
    This work studies the problem of scheduling using Q-learning, which is a reinforcement learning algorithm, in a Successive Interference Cancellation (SIC) - enabled wireless ad hoc network. Distributed Q-learning algorithm ...
  • Design and Implementation of a Single Flux Quantum Logic-Based Memory Controller for Josephson-CMOS Hybrid Memory Systems 

    Demirhan, Seda; Bozbey, Ali (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2020-10)
    Single flux quantum (SFQ) digital circuits have shown the potential for high speed/low power computation applications. Unfortunately, because of the low integration density and low driving capability of SFQ circuits, ...
  • Implementing of Inverse Designed Power Splitters by Using Effective Medium Theory 

    Atalay, I. Anil; Kurt, Hamza (SPIE-INT SOC OPTICAL ENGINEERING, 2020)
    Arbitrary topology designs cause manufacturing challenges due to feature sizes that are difficult to perform with current industry-standard optical lithography. To overcome this problem, we employed generalized Bruggeman ...
  • Nanosphere Concentrated Photovoltaics with Shape Control 

    Esmaeilzad, Nasim Seyedpour; Demir, Ahmet Kemal; Hajivandi, Jamileh; Ciftpinar, Hande; Turan, Rasit; Kurt, Hamza; Bek, Alpan (WILEY-V C H VERLAG GMBH, 2020-12)
    Dielectric colloidal nanospheres (NSs) are promising candidates for light management in photonic devices such as solar cells (SCs). NS arrays can direct the broad incident solar radiation into a set of tighter foci, at ...
  • Autonomous Face Detection and Tracking Using Quadrotor UAV 

    Karahan, M.; Kurt, Hamza; Kasnakoğlu, Coşku (Institute of Electrical and Electronics Engineers Inc., 2020-10)
    In this paper, human face detection and tracking system with a camera of the Quadrotor UAV is proposed. During flight, Quadrotor takes photos of the human face, records videos and sends these photos and videos to the ...
  • Multi-objective particle swarm optimization on ultra-thin silicon solar cells 

    Atalay, Ipek Anil; Gunes, Hasan Alper; Alpkilic, Ahmet Mesut; Kurt, Hamza (SPRINGER INDIA, 2020-12)
    Finding optimized parameters for any photonic device is a challenging problem, because as the search space enlarges the computation time and design complexity increase. For higher performance solar cells, various studies ...
  • FPGA Based Transmitter Design Using Adaptive Coding and Modulation Schemes for Low Earth Orbit Satellite Communications 

    İnceöz, E.; Tutgun, R.; Turgut, Ayşe Melda Yüksel (Institute of Electrical and Electronics Engineers Inc., 2020-11)
    In this study, a field-programmable gate array (FPGA) based high rate transmitter is developed for low earth orbit satellite communication links using adaptive coding and modulation (ACM) techniques. The developed transm ...
  • Mic-in-CMOS: CMUT as a Sealed-Gap Capacitive Microphone 

    Koymen, H.; Ahiska, Y.; Atalar, A.; Köymen, Itır; Tasdelen, A.S.; Yilmaz, M. (IEEE Computer Society, 2020-09)
    The design and production of a CMOS compatible, watertight and ingress-proof CMUT (capacitive micromachined ultrasonic transducer) microphone, mic-in-CMOS, with vacuum-gap is described. We present an analytical model-based ...
  • Miniature MEMS: Novel Key Components Toward Terahertz Reconfigurability 

    Demir, Kazim; Ünlü, Mehmet (Institute of Electrical and Electronics Engineers Inc., 2020-08)
    We present an overview of the emerging and enabling miniature MEMS-based components for the terahertz frequencies. The usage of miniature MEMS integrated within the terahertz components is an uprising field of research, ...
  • Rate Splitting for Multi-Group Multicasting With a Common Message 

    Yalcin, Ahmet Zahid; Yüksel, Melda; Clerckx, Bruno (Institute of Electrical and Electronics Engineers Inc., 2020-10)
    In this letter, precoding for max-min fairness (MMF) for multi-group multicasting with a common message is studied. The MMF problem is converted into a weighted mean square error minimization problem. A rate-splitting ...
  • Unveiling the optical parameters of vanadium dioxide in the phase transition region: a hybrid modeling approach 

    Cakir, Mehmet Cihan; Kocer, Hasan; Durna, Yilmaz; Yildirim, Deniz Umut; Ghobadi, Amir; Hajian, Hodjat; Aydin, Koray; Kurt, Hamza; Saglam, Necdet; Ozbay, Ekmel (ROYAL SOC CHEMISTRY, 2020-08)
    The phase change behavior of vanadium dioxide (VO2) has been widely explored in a variety of optical and photonic applications. Commonly, its optical parameters have been studied in two extreme regimes: hot (metallic) and ...
  • Photonic Nanojets and Whispering Gallery Modes in Smooth and Corrugated Micro-Cylinders under Point-Source Illumination 

    Mahariq, Ibrahim; Abdeljawad, Thabet; Karar, Abdullah S.; Alboon, Shadi A.; Kurt, Hamza; Maslov, Alexey, V (MDPI, 2020-09)
    We numerically investigate the generation of photonic nanojets (PNJs) and the excitation of whispering gallery modes (WGMs) supported by both smooth and corrugated dielectric micro-cylinders under point-source illumination. ...

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