Browsing Elektrik - Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering by Title
Now showing items 1-20 of 56
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An adhesion-dominated rolling Friction regime unique to micro-scale ball bearings
(Tribology Letters, 2014)We demonstrate that micro-scale rolling bearings exhibit friction and wear properties markedly different from their macro-scale counterparts. A microfabricated testing platform uses variable rolling element diameters or ... -
An advanced non-orthogonal multiple access security technique for future wireless communication networks
(RS Open Journal on Innovative Communication Technologies, 2020)The future wireless communication systems demand much more enhanced security and reliability compared to currently deployed systems. In this work, we propose a much simpler yet more efficient physical layer security (PLS) ... -
Analysis of parameter changes of a neuronal network model using transfer entropy
(International Advanced Researches and Engineering Journal, 2020)Understanding the dynamics of coupled neurons is one of the fundamental problems in the analysis of neuronal model dynamics. The transfer entropy (TE) method is one of the primary analyses to explore the information flow ... -
Autonomous first response drone-based smart rescue system for critical situation management in future wireless networks
(RS Open Journal on Innovative Communication Technologies, 2020)Numerous problems have been experienced due to the current exponential rise in urban population. Such challenges include insecurity and disaster management. It is therefore critical that new and efficient ways of disaster ... -
Classifications and applications of physical layer security techniques for confidentiality: a comprehensive survey
(IEEE, 2019)Physical layer security (PLS) has emerged as a new concept and powerful alternative that can complement and may even replace encryption-based approaches, which entail many hurdles and practical problems for future ... -
A compact energy transducer for power generation from respiration
(Journal of Microelectromechanical Systems, 2019)This paper reports a compact magnetic transducer developed for generating electrical power from respiration. The device incorporates a side-drive turbine rotor with embedded permanent magnets and two stators, integrated ... -
CP-less OFDM with alignment signals for enhancing spectral efficiency, reducing latency, and improving PHY security of 5G services
(IEEE Access, 2018)Although orthogonal frequency-division multiplexing (OFDM) is a widely accepted waveform in many standards and is expected to keep its dominance in future 5G systems with various types of parameterized waveforms, its ... -
Cr: Colquiriite Lasers: Current Status and Challenges for Further Progress
(Progress in Quantum Electronics, 2019)Cr: Colquiriite laser materials (Cr:LiCAF, Cr:LiSAF, Cr:LiSGaF) own broad absorption bands in the visible region that allow direct-diode pumping by well-developed low-cost red diodes. Moreover, they possess broad emission ... -
The development and performance characterization of turbine prototypes for a MEMS spirometer
(IEEE Sensors Journal, 2016)The design, optimization, and performance characterization of turbine prototypes for the development of a Microelectromechanical Systems spirometer is reported. Four different turbines were designed based on large-scale ... -
An effective design for polar codes over multipath fading channels
(Springer, 2020-01)Polar codes, recently adopted in 5G standard due to their excellent performance at a very low complexity compared to other competitive schemes in the literature, are deemed to be a strong candidate for the Internet of ... -
Effects of neuronal noise on neural communication
(Proceedings, 2019)In this work, we propose an approach to better understand the effects of neuronal noise on neural communication systems. Here, we extend the fundamental Hodgkin-Huxley (HH) model by adding synaptic couplings to represent ... -
Energy harvesting from knee motion using piezoelectric patch transducers
(Academic Platform Journal of Engineering and Science, 2019)This paper presents a piezoelectric energy harvesting device that generates electrical power from knee motion during human gait. The device is composed of two MEMS-based piezoelectric patch transducers optimized for placement ... -
Fabrication and characterization of TiO2 nanoparticles conjugated luminescence upconversion nanoparticles
(Open Access Journal, 2018)TiO2 nanoparticles conjugated luminescence upconversion (TiO2-UC) nanocomposites have been fabricated by covalently linking of carboxyl-functionalized TiO2 and amino-functionalized NaYF4:Yb3+,Er3+,Ce3+ upconversion ... -
The generalization of orthogonal frequency division multiplexing with subcarrier power modulation to quadrature signal constellations
(RS Open Journal on Innovative Communication Technologies, 2020)A novel modulation technique termed as orthogonal frequency division multiplexing with subcarrier power modulation (OFDM-SPM) has been proposed for achieving spectral-efficient data transmission in wireless communication ... -
Grid-based UAV placement in intelligent transportation systems
(CRC Press, 2019)Unmanned aerial vehicles (UAVs)-based projects in the smart city paradigm are no more a slim chance. Crisis reaction and coordination, open or private infrastructure control, coordination or support to astute transportation ... -
Hybrid magnetic-piezoelectric energy harvester for power generation around waistline from gait
(Journal of Electrical Engineering & Technology, 2019)The development of a novel hybrid energy harvester for scavenging power around human waistline is presented. The harvester is composed of mm-scale electromagnetic coils and piezoelectric transducers incorporated on a belt, ... -
Hybrid MIMO: a new transmission method for simultaneously achieving spatial multiplexing and diversity gains in MIMO systems
(RS Open Journal on Innovative Communication Technologies, 2021)Multiple input multiple output (MIMO) technology has evolved over the past few years into a technology with great potential to drive the direction of future wireless communications. MIMO technology has become a solid reality ... -
Improving the physical layer security of IoT-5G systems
(Springer, 2019)Ensuring the security of the Internet of Things (IoT) is deemed as one of the most critical challenges and needs that have to be addressed in order to guarantee the successful deployment of IoT in emerging technologies ... -
An inclusive survey of contactless wireless sensing: a technology used for remotely monitoring vital signs has the potential to combating COVID-19
(RS Open Journal on Innovative Communication Technologies, 2020)With the Coronavirus pandemic showing no signs of abating, companies and governments around the world are spending millions of dollars to develop contactless sensor technologies that minimize the need for physical interactions ... -
An integrated permanent magnet Micro-turbo- generator supported on microball bearings
(Journal of Microelectromechanical Systems, 2013)This paper presents the design, fabrication, and testing of an integrated microturbogenerator utilizing permanent magnets and microball bearings. The key components of this generator are the following: 1) a silicon ...
