Başlık için Electrical and Electronics Engineering listeleme
Toplam kayıt 461, listelenen: 419-438
-
Theoretical analysis of the co-existence of LTE-A signals and design of an ML-SIC Receiver
(Institute of Electrical and Electronics Engineers, 2015)The increasing number of mobile devices and the demand for large throughput requiring applications has hampered access to the limited frequency spectrum. The goal of this work is to introduce a new degree of freedom to the ... -
A three-mask process for fabricating vacuum-sealed capacitive micromachined ultrasonic transducers using anodic bonding
(Institute of Electrical and Electronics Engineers, 2015)This paper introduces a simplified fabrication method for vacuum-sealed capacitive micromachined ultrasonic transducer (CMUT) arrays using anodic bonding. Anodic bonding provides the established advantages of wafer-bonding-based ... -
Thresholds optimization for one-bit feedback multi-user scheduling
(Institute of Electrical and Electronics Engineers Inc., 2018)We propose a new one-bit feedback scheme with scheduling decision based on the maximum expected weighted rate. We show the concavity of the 2-user case and provide the optimal solution which achieves the maximum weighted ... -
Time-domain iterative multiregion technique for 3-D scattering and radiation problems
(Ieee-Inst Electrical Electronics Engineers Inc, 2016)Integration of the finite-difference time-domain (FDTD) method into the iterative multiregion (IMR) technique, an iterative approach used to solve large-scale electromagnetic scattering and radiation problems, is presented ... -
Time-frequency characteristics and PAPR reduction of OTDM waveform for 5G and beyond
(Institute of Electrical and Electronics Engineers Inc., 2017)This paper provides an in-depth investigation and analysis on the characteristics of channel-based transform waveforms and their differences from Fourier transform-based waveforms. Particularly, the basis functions of the ... -
Time-frequency warped waveforms
(IEEE-Inst Electrical Electronics Engineers Inc, 2019)The forthcoming communication systems are advancing toward improved flexibility in various aspects. Improved flexibility is crucial to cater diverse service requirements. This letter proposes a novel waveform design scheme ... -
Time-frequency warped waveforms for well-contained massive machine type communications
(IEEE-Institute of Electrical and Electronics Engineers Inc., 2023)This paper proposes a novel time-frequency warped waveform for short symbols, massive machine-type communication (mMTC), and internet of things (IoT) applications. The waveform is composed of asymmetric raised cosine (RC) ... -
Towards a unified framework for physical layer security in 5G and beyond networks
(IEEE-Institute of Electrical and Electronics Engineers Inc., 2022)Wireless systems have become an increasingly pivotal part of our lives. Various critical applications and use cases such as healthcare, financial transactions, e-commerce, transportation, industrial automation, etc. rely ... -
Tri-band MIMO diversity antenna for modern smartphones
(Institute of Electrical and Electronics Engineers Inc., 2023)This paper proposes the design of a MIMO antenna system with four elements, specifically tailored for future smartphones. The MIMO antenna system is operating in three important 5G frequency bands: 3.5 GHz, 4.7 GHz, and ... -
Türkiye TVBB potansiyeli
(Institute of Electrical and Electronics Engineers Inc., 2016)Kablosuz haberleşme teknolojilerinin gelişmesiylemevcut frekans spektrumunun kullanımına ait talepler deartmaktadır. Dinamik spektrum erişimi (DSA) bu talebinkarşılanması için çözüm olabilecek bir kavramdır. Bukavram ... -
A two-antenna single RF front-end DOA estimation system for wireless communications signals
(Institute of Electrical and Electronics Engineers, 2014)Both adaptive beamforming methods and interference management systems improve the capacity of wireless communications systems, however they may require direction of arrival (DOA) information of signals. On the other hand, ... -
An ultra low power integrated radio TX link supplied from a switched capacitor DC-DC converter in 65-nm CMOS achieving 2 Mbps
(Institute of Electrical and Electronics Engineers (IEEE), 2020)This brief presents a highly integrated ultra-low-power Transmitter (TX) supplied from a high efficiency Switched Capacitor DC-DC (SC DC-DC) converter targeting the IEEE 802.15.6 standard for Wireless Body Area Network ... -
An ultra-wide band MIMO antenna system with enhanced isolation for microwave imaging applications
(MDPI, 2023)This paper introduces a novel two-port ultra-wideband (UWB) multiple-input multiple-output (MIMO) antenna system with enhanced isolation characteristics. The antenna, designed on a thin 0.787 mm RO5880 substrate, achieves ... -
Ultra-wideband fractal ring antenna for biomedical applications
(Hindawi Limited, 2023)In this paper, an efficient, coplanar waveguide (CPW)-fed printed circular ring fractal ultra-wideband (UWB) antenna is presented for biomedical applications. In UWB technology, short-range wireless communication is possible ... -
Ultra-wideband pentagonal fractal antenna with stable radiation characteristics for microwave imaging applications
(MDPI, 2022)For microwave imaging applications, a design for an ultra-wideband (UWB) fractal antenna is presented. The antenna design is composed of a pentagonal fractal patch radiator fed by a modified co-planar waveguide (CPW) ground ... -
User association for enhancing physical layer security in heterogeneous network
(Springer, 2019)In this work, a fair user association scheme is proposed for heterogeneous networks aiming to enhance physical layer security (PLS). More specifically, the user association problem is formulated as a Nash bargaining problem ... -
User association techniques in future heterogeneous networks
(Institute of Electrical and Electronics Engineers Inc., 2017)The exponential increase in the demand of data rate and scarcity of the available spectrum have evolved to the more advanced network topology which efficiently utilizes the radio spectrum such as Heterogeneous Networks ... -
User pairing and power allocation strategies for 3D VLC-NOMA systems
(Institute of Electrical and Electronics Engineers Inc., 2020)In this letter, we propose two novel, yet efficient, user pairing schemes for non-orthogonal multiple access (NOMA) in 3D visible light communication (VLC). Our analysis is carried out assuming different heights for the ... -
Using OMP and SD algorithms together in mm-Wave mMIMO channel estimation
(Springer London Ltd, 2022)Lens antenna array is considered as an effective beam selection mechanism in millimeter wave massive multiple input multiple output systems. Efficient channel estimation (CE) algorithms are required to use the advantage ... -
Utilization of aerial heterogeneous cellular networks: Signal-to-interference ratio analysis
(Korean Institute of Communications and Information Sciences (K I C S), 2018)As a component of future communication networks, aerial telecommunication platforms are a promising solution to meet surging traffic demands. These platforms can be used as aerial base stations (ABSs) to build an aerial ...
