Elektrik - Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering: Recent submissions
Now showing items 61-80 of 92
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Multiple MIMO with joint block antenna number modulation and adaptive antenna selection for future wireless systems
(RS Open Journal on Innovative Communication Technologies, 2020)Multiple MIMO with joint block Antenna Number Modulation (M-MIMO-ANM) is proposed in this paper as a novel transmission method that exploits the features of both Massive Multiple Input Multiple Output (M-MIMO) and Antenna ... -
New non-orthogonal transmission schemes for achieving highly efficient, reliable, and secure multi-user communications
(RS Open Journal on Innovative Communication Technologies, 2020)Next-generation wireless communication paradigms demand poperties such as high reliability, low power consumption, and enhanced security. Also, the ever-increasing demand for better wireless services has led to the continuous ... -
Signal space diversity for improving the reliability performance of OFDM with subcarrier power modulation
(RS Open Journal on Innovative Communication Technologies, 2021)As the demand for higher data rates continues to increase exponentially, there is a shift towards exploring contemporary techniques that are likely to offer higher spectral efficiency. A new modulation technique termed as ... -
Novel nonorthogonal multi-access method for multi-user MIMO with antenna number modulation
(RS Open Journal on Innovative Communication Technologies, 2021)Multiple Input Multiple Output with Antenna Number Modulation and Adaptive Antenna Selection (MIMO-ANM-AAS) has recently been proposed as an effective transmission method that can make the selection of antennas to be both ... -
NC-OFDM-SPM: a two-dimensional non-coherent modulation scheme for achieving the coherent performance of OFDM along with sending an additional data-stream
(RS Open Journal on Innovative Communication Technologies, 2021)A promising candidate solution for reducing complexity in future wireless systems is the use of non-coherent designs; however, it is very well known in the literature that non-coherent schemes perform worse than their ... -
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 ... -
OFDM with hybrid number and Index modulation
(IEEE Access, 2020)A novel transmission scheme is introduced for efficient data transmission by conveying additional information bits through jointly changing the index and number of active subcarriers within each orthogonal frequency division ... -
Orthogonal frequency division multiplexing with subcarrier power modulation for doubling the spectral efficiency of 6G and beyond networks
(Transactions on Emerging Telecommunications Technologies, 2020)With the emergence of new applications (eg, extended reality [XR] and haptics), which require to be simultaneously served not just with low latency and sufficient reliability, but also with high spectral efficiency, future ... -
Multi-cell, multi-user, and multi-carrier secure communication using non-orthogonal signals’ superposition with dual-transmission for IoT in 6G and beyond
(RS Open Journal on Innovative Communication Technologies, 2021)Considering the advancements of the internet of things (IoT) in 6G and beyond communications, data transmission security in IoT devices has received extensive interest because of their significant features, such as low ... -
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 ... -
Statistical approaches for the analysis of dependency among neurons under noise
(MDPI, 2020)Neuronal noise is a major factor affecting the communication between coupled neurons. In this work, we propose a statistical toolset to infer the coupling between two neurons under noise. We estimate these statistical ... -
A sub-cm3 energy harvester for in-vivo biosensors
(Microelectronic Engineering, 2020)The development of a kinetic energy harvester for in-vivo applications is reported. Consisting of an untethered magnetic platform encased by two stators, the device converts normal body movements into electrical power. A ... -
Investigation of diamagnetic levitation for dynamic MEMS devices
(4th International Mediterranean Science and Engineering Congress (IMSEC 2019), 2019)The mechanical performance and lifetime of dynamic MEMS (micro electro mechanical systems) devices such as micropumps, micromotors, and micropositioners heavily rely on the bearing mechanism that enables motion per applied ... -
Non-planar drive-sense coil structure for inductive MEMS microphones
(International Symposium on Advanced Engineering Technologies, 2019)MEMS technology offers major advantages for the development of microphones including a small footprint, low power consumption, high sound sensitivity and bandwidth. Capacitive, piezoelectric, and inductive microphones have ... -
A micro-scale biosensor for the detection of bacillus stearothermophilus spore germination
(International Conference on Engineering Technologies (ICENTE'19), 2019)Germination of Bacillus Stearothermophilus bacterial spores is being used as a marker in sterilization monitoring systems to verify the success of sterilization processes in healthcare facilities. Such systems mainly employ ... -
Optimization of hydrothermal synthesis of Ce3+ co-doped NaYF4, Yb3+, Er3+upconversion nanoparticles and investigation of their size, morphology, and phase transitions.
(ICENS, 2019)In this study, the synthesis of water-soluble polyethyleneimine (PEI) modified UCNPs which were prepared by a hydrothermal method have been reported. The resultant UCNPs were small size and hexagonal β-phase structure ... -
Multifunctional magnetic nanocarrier: synthesis, characterization and pH-responsive doxorubicin release profile
(2019)In this study, carboxymethyl cellulose (CMC) functionalized superparamagnetic iron oxide nanoparticles (SPIONs) have been synthesized as a novel theranostic platform which enables magnetic resonance (MR) imaging-guided and ... -
Transfer entropy
(MDPI AG, 2018)Statistical relationships among the variables of a complex system reveal a lot about its physical behavior. Therefore, identification of the relevant variables and characterization of their interactions are crucial for a ... -
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 ... -
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 ...
