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Toplam kayıt 33, listelenen: 21-30
HMRN: heat map regression network to detect and track small objects in wide-area motion imagery
(Springer Science and Business Media Deutschland GmbH, 2023)
We propose HMRN, a deep heat map regression network to detect and track small moving objects in wide-area motion imagery (WAMI) by modifying a deep multi-object tracker. Object detection in WAMI images is challenging, ...
Sparsifying dictionary learning for beamspace channel representation and estimation in millimeter-wave massive MIMO
(Institute of Electrical and Electronics Engineers Inc., 2023)
Millimeter-wave (mmWave) massive multiple-input-multiple-output (mMIMO) is reported as a key enabler in fifth-generation communication and beyond. It is customary to use a lens antenna array to transform a mmWave mMIMO ...
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 ...
mmWave polarization diversity wideband multiple-input/multiple-output antenna system with symmetrical geometry for future compact devices
(MDPI, 2023)
The fifth generation (5G) of mobile networks is a significant technological advancement in telecommunications that provides faster data speeds, lower latency, and greater network capacity. One of the key technologies that ...
PLS-IoT enhancement against eavesdropping via spatially distributed constellation obfuscation
(Institute of Electrical and Electronics Engineers Inc., 2023)
Wireless communication has become a ubiquitous facet of modern-day life. With the advent of Internet of Things (IoT) and massive machine-type connectivity, the number of devices is expected to increase even more. However, ...
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 ...
A four element stringray-shaped MIMO antenna system for UWB applications
(Multidisciplinary Digital Publishing Institute (MDPI), 2023)
This paper presents a CoPlanar-Waveguide (CPW)-fed stingray-shaped Ultra-WideBand (UWB) Multiple-Input–Multiple-Output (MIMO) antenna system designed for microwave imaging applications. Featuring a diagonal square with ...
Quasisynchronous LoRa for LEO nanosatellite communications
(Institute of Electrical and Electronics Engineers Inc., 2023)
Perfect synchronization in LoRa communications between Low Earth Orbit (LEO) satellites and ground base stations is still challenging, despite the potential use of atomic clocks in LEO satellites, which offer high precision. ...
FDTD-based SAR calculation of a wearable antenna for wireless body area network devices
(Cambridge University Press, 2023)
Wireless-connected wearable electronics are finding extensive usage for diagnostic and therapeutic purposes after the globally spread pandemic disease of COVID-19. Although they are undoubtedly helpful for keeping physical ...
An X-band class-B push-pull power amplifier on a 0.25 μm SiGe-C process
(Institute of Electrical and Electronics Engineers Inc., 2023)
This paper presents design of an X-band power amplifier (PA) with Class-B push-pull configuration in 0.25-μm SiGe-C Heterojunction Bipolar Transistor (HBT) BiCMOS process. The PA consists of input balun, driver stage, ...