Makale Koleksiyonu
Güncel Gönderiler
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Pattern diversity based four-element dual-band mimo patch antenna for 5g mmwave communication networks
(2024)This study presents a planar dual-band multiple-input multiple-output (MIMO) antenna design for the prospective fifth-generation (5G) frequency bands of 28 and 38 GHz. The antenna element is designed by utilizing a rectangular ... -
Analysis of mobility robustness optimization in ultra-dense heterogeneous networks
(2024)Stable and reliable wireless connections during the user equipment's mobility are the critical issue in future mobile communication networks especially during UE's high-speed scenarios over dense heterogeneous networks ... -
Visualizing hydrogen peroxide and nitric oxide dynamics in endothelial cells using multispectral imaging under controlled oxygen conditions
(2024)The complex interplay between hydrogen peroxide (H2O2) and nitric oxide (NO) in endothelial cells presents challenges due to technical limitations in simultaneous measurement, hindering the elucidation of their direct ... -
Performance enhancement of Vivaldi-shaped planar UWB antenna using a single-layer FSS reflector
(2024)This work proposes the design of a frequency-selective surface (FSS)-based planar monopole antenna for ultra-wideband (UWB) communication applications. The UWB response is observed by integrating a Vivaldi-shaped slot and ... -
Pairwise sequency index modulation with OTSM for green and robust single-carrier communications
(2024)In this letter, inspired by the fundamental thoughts of sequency index modulation (SeIM) and orthogonal time sequency multiplexing (OTSM), a novel technique is introduced for green and robust single-carrier communications ... -
A novel HARQ design for RSMA networks
(2024)Rate splitting multiple access (RSMA) has a variety of advantages, including higher throughput, enhanced capacity, and network efficiency, which makes it suitable for beyond fifth generation (5G) networks. Since the combining ... -
High range resolution at reduced sampling rates in OFDM systems exploiting pilot aliasing
(2024)High range resolution (HRR) is critical for automotive radar where it is directly dependent on the available transmission bandwidth. However, HRR sensing for OFDM entails high sampling frequencies, which extends the system's ... -
Optimal handover optimization in future mobile heterogeneous network using integrated weighted and fuzzy logic models
(2024)High mobility travelling trains and drones connected via ultra-dense mobile networks may lead to frequent handovers (HOs). As a consequence, this could arise the mobility problems of the serving network such as handover ... -
A novel delay-doppler-based channel estimation method in doubly-dispersive ocdm systems
(2024)Orthogonal chirp division multiplexing (OCDM) has recently emerged as a new candidate for the 6G waveform. In high-mobility wireless channels, the inseparability of the data symbols in both time and frequency domains makes ... -
Dual-polarized wideband 5G N77 band slotted MIMO antenna system for next-generation smartphones
(Institute of Electrical and Electronics Engineers Inc., 2024)In this work, a slotted wideband eight-element multiple-input multiple-output (MIMO) antenna system is presented, which covers the N77 (3.2-4.2 GHz) frequency band. The MIMO antennas are printed on a 0.8-mm-thick FR-4 ... -
Orthogonal time frequency space multiple access using index modulation
(Institute of Electrical and Electronics Engineers Inc., 2023)Orthogonal time frequency space (OTFS) is a recent two-dimensional modulation technique utilizing delay-Doppler domain and nominated as a promising candidate waveform for beyond 5G communication systems. By leveraging both ... -
Error performance enhancement and complexity reduction in OFDM systems via coordinate interleaving under practical impairments
(Turkiye Klinikleri, 2024)In this work, subcarrier coordinate interleaving (CI) is implemented to orthogonal frequency division multiplexing (OFDM) systems with the aim of both enhancing the error performance and reducing the implementation complexity. ... -
Cyber–physical system architecture of autonomous robot ecosystem for industrial asset monitoring
(Elsevier B. V., 2024)Driven by advancements in Industry 4.0, the Internet of Things (IoT), digital twins (DT), and cyber–physical systems (CPS), there is a growing interest in the digitalizing of asset integrity management. CPS, in particular, ... -
Sequency index modulation: A novel index modulation for delay-sequency domain waveforms
(Institute of Electrical and Electronics Engineers Inc., 2023)In this letter, the sequency domain is introduced as a novel resource to propose a new index modulation, which is named sequency index modulation (SeIM). In SeIM, information bits are implicitly conveyed through the indices ... -
Eight element dual-band MIMO array antenna for modern fifth generation mobile phones
(Elsevier GmbH, 2024)In this paper, an eight-element multiple-input multiple-output (MIMO) antenna with dual-band response is designed for fifth-generation (5G) mobile devices. The proposed MIMO systems’ radiators are placed in the inner side ... -
Side-edge dual-band MIMO antenna system for 5G cellular devices
(Elsevier GmbH, 2024)An eight-element multiple-input multiple-output (MIMO) antenna system is presented for two distinct 5G allocated bands, i.e., 3.5 and 5.2 GHz. The MIMO radiating elements are printed on each side of the mobile phone chassis, ... -
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 ... -
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 ... -
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 ... -
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, ...