Başlık için Elektrik - Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering listeleme
Toplam kayıt 92, listelenen: 53-72
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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 ... -
Near-infrared inducible supports in bio-catalysts design: A useful and versatile tool in enhancement of enzyme activity
(2024)Immobilized enzymes have encountered two main challenges: Reduced enzyme activity compared to free enzymes and exhausted immobilized enzymes due to reusability. Herein, we suggested a promising activity enhancement strategy ... -
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 ... -
New physical layer key generation dimensions: subcarrier indices/positions-based key generation
(IEEE Communications Letters, 2021)In this letter, novel algorithms for secret key generation from the wireless channel in multi-carrier systems are proposed for ensuring the confidentiality and authentication in wireless communication systems. The novelty ... -
Non-coherent OFDM-subcarrier power modulation for low complexity and high throughput IoT applications
(RS Open Journal on Innovative Communication Technologies, 2020)Aiming to reduce the transceiver complexity and power consumption of communication systems dedicated to serving future Internet of Things (IoT) applications, researchers have taken many approaches with varying degrees of ... -
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 non-resonant kinetic energy harvester for bioimplantable applications
(Micromachines, 2018)A linear non-resonant kinetic energy harvester for implantable devices is presented. The design contains a metal platform with permanent magnets, two stators with three-dimensional helical coils for increased power generation, ... -
A novel interference signal superposition algorithm for providing secrecy to subcarrier number modulation-based orthogonal frequency division multiplexing systems
(Transactions on Emerging Telecommunications Technologies, 2022)Orthogonal Frequency Division Multiplexing with Subcarrier Number Modulation (OFDM-SNM) is a transmission scheme that aims to convey additional data bits by exploiting the number of active subcarriers. Even though OFDM-SNM ... -
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 ... -
A novel small-scale nonorthogonal communication technique using auxiliary signal superposition with enhanced security for future wireless networks
(RS Open Journal on Innovative Communication Technologies, 2020)In this work, an advanced novel small-scale non-orthogonal communication technique utilizing physical layer security (PLS) for enhanced security and reliability for two users is proposed. This work is motivated by current ... -
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 ... -
OFDM-subcarrier power modulation with two dimensional signal constellations
(2019 Innovations in Intelligent Systems and Applications Conference (ASYU), 2019)An original modulation technique has been recently proposed for wireless communication systems known as OFDM- SPM (OFDM with Subcarrier Power Modulation). This technique utilizes a characteristic of the subcarriers of the ... -
On the performance of MIMO-ANM with joint adaptive transmit antenna selection and maximum ratio combination in future 6G networks
(RS Open Journal on Innovative Communication Technologies, 2022)Multiple Input Multiple Output with Antenna Number Modulation (MIMO-ANM) has recently been introduced to the literature as an effective, competitive, and reliable transmission technology that can make the selection of ... -
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 ... -
An organic-based hybrid hydrogels: its preperation method, structural investigation, and lanthanum uptake
(International AEGEAN Conferences on Natural & Medical Sciences-VI, 2022)Rare earth elements (REEs) have been found broad applications in superconductive materials, catalysts, magnetics, hydrogen storage materials, and rechargeable batteries. By integrating REEs into different fields, their ... -
Orthogonal frequency division multiplexing with subcarrier gap modulation
(IEEE 31st PIMRC'20 - Workshop on Waveform Design for Beyond 5G Communications, 2020)A new modulation scheme called orthogonal frequency division multiplexing with subcarrier gap modulation (OFDM-SGM) is proposed. The proposed scheme embeds extra information bits by exploiting the gap between the active ... -
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 ... -
Passively Q-switched Cr:LiCAF laser with a saturable Bragg reflector
(Applied Physics B: Lasers and Optics, 2021)We present a low-cost multimode diode pumped passively Q-switched Cr:LiCAF laser operating near 800 nm. AlGaAs-based saturable Bragg reflectors (SBRs) were used for passive Q-switching. The system is experimentally ... -
pH-responsive carboxymethyl cellulose conjugated superparamagnetic iron oxide nanocarriers
(Journal of Scientific Perspectives, 2019)In the present study, polyethyleneimine (PEI) coated superparamagnetic iron oxide nanoparticles (SPIONs) having the size of 15 nm in diameter with high magnetic saturation (60 emu/g) have been prepared by co-precipitation ... -
Photocatalytic degradation of bodipy dye with a shungite based PVA hydrogel under UV-light irradiation
(Proceedings of Academics World International Conference, 2022)The contamination of water with dyes is a critical problem for the environment and a great deal of research is invested to produce the novel adsorbent composites with high adsorption capacity and at the same time gaining ...