The design of an eight-element H-shaped dual-band multiple-input multiple-output (MIMO) antenna system for sub-6 GHz fifth-generation (5G) smartphone applications is presented in this work. radiating elements are designed on the side edge frame smartphone, placed both sides main printed circuit board (PCB). Each consists four elements, which ensures low mutual coupling between elements. total size PCB 150×75 mm², while 150×7 mm². A single element fed using...

Although hard carbons are considered to be applied as promising anode materials for sodium-ion batteries (SIBs) with improved specific capacity and good long-term cycle life. However, a significant low initial Coulombic efficiency (ICE) high cost that consequently impede its use in future commercialization of SIBs. Herein, effective strategy is used prepare the large-scalable carbon (HC) material SIBs, which shows excellent reversible 308 mA h g−1 under current rate 50 considerable higher...

The performance of multiphase pumps has a remarkable influence on the related industrial application. In order to understand flow field and gas-liquid phase interaction characteristics rotodynamic pump, detailed numerical analysis pump with medium air-water combination was carried out for whole passage by means structured mesh using ICEM_CFD TurboGrid. results 21% inlet gas void fraction (IGVF = 21%) condition showed that magnitude ratio non-drag forces drag in impeller guide vane passages...

Abstract The detection of nanoplastics (NPs) and their interactions with antibiotics is critical due to potential environmental health risks. Traditional methods are challenged by the small size chemical similarity NPs microplastics. Current surface-enhanced Raman scattering (SERS) substrates for NP limited high cost, reliance on single enhancement modes, insufficient sensitivity selectivity, especially NP-antibiotic complexes. In this study, F/M-AAO substrate, which integrates...

Abstract Surface‐enhanced Raman spectroscopy (SERS) has emerged as a powerful tool for biological detection and analysis. However, it is confronted with challenges from fluorescence interference. This study develops CuPc/MoS₂ heterostructure S‐scheme junction through interfacial band alignment. The SERS evaluation of methylene blue (MB) demonstrated limit low 10 −10 M, which 23.37‐fold higher than that the pristine components. Meanwhile, quenching fraction 0.925 achieved by non‐radiative...

Quantum dot (QD) structure has potential applications in modern highly efficient optoelectronic devices due to their band-tuning. The device dimensions have been miniatured with increased efficiencies by virtue of this discovery. In research, we presented modified analytical and simulation results InAs/GaAs QD superlattice (QDSL). We applied tight binding model for the investigation ground state energies using timeindependent Schrödinger equation (SE) effective mass approximation. It...

The Internet of thing (IoT) is a growing concept for smart cities, and it compulsory to communicate data between different networks devices. In the IoT, communication should be rapid with less delay overhead. For this purpose, flooding used reliable in cities but at cost higher overhead, energy consumption packet drop etc. This paper aims increase efficiency term overhead reliability by using multicasting unicasting instead during forwarding city IoT concept. paper, within receiver-initiated...

Abstract Quantum dots (QD) are playing a vital role due to their multifunctionality such as small size and tuning the range of band have achieved considerable attention in recent decade. In research, efficiency solar cell (SC) has greatly been increased by application QD. If these grown systematically, may lead formation intermediate (IB) which leads absorption photons with energy less than actual through process hence increasing carrier generation rate ultimately results high current...

InN-based III nitride quantum dot (QD) technology has attracted much attention for extended potential applications in photonic devices covering a broad spectrum compared to conventional semiconductors. In this research we have investigated electronic transitions InN/GaN QD super-lattice structure (QDSL) from valence band (VB) intermediate (IB) and IB conduction (CB), which cause the inter intra absorption, leading higher photo-generated current. The ground state energy, absorption...

The Internet of Things (IoTs) is an emerging technological paradigm that entails interconnected smart objects in order to sense, communicate and interact autonomously, finally providing advanced services. This innovative phenomenon makes the capable seeing, hearing, thinking performing jobs by sharing information coordinating decisions. potential growth IoTs highly dependent upon enabling technologies like RFID technology, Sensor nanotechnology. first communication technology apprehends...

Uncoordinated traffic flows at the traditional roundabouts, especially with a small circumference and fewer lanes, are often heavily affected by congestion, which escalates fuel consumption, CO2 emissions, idling, travel delay. An intriguing way to mitigate such uncoordinated junctions would be facilitated through optimal signalization. For this purpose, paper presents novel holistic Three-Leg Signalized Roundabout (TLSR) model based on two signalized stop lines (2SL). The first line is...

This paper presents a novel holistic T-shape roundabout coordination system (TCS) that addresses the connected and automated vehicles (CAVs) flow in typically isolated roundabout. The TCS optimizes states of each approaching vehicle receding horizon control framework aims to minimize total crossing time, considering vehicles' dynamic states. method ensures comfortable by retaining basic features traditional traffic management system. optimal are broadcasted ahead TCS, which enables CAVs form...

In this paper, a Tri-band antenna for Global Positioning System (GPS) and Digital Video Broadcasting -Handheld (DVB-H) applications is proposed. It cover two bands GPS L1 (1.557GHz) L2 (1.21GHz) one band DVB-H (1.45GHz) applications. Circular polarization achieved at both bands. This paper an extension of pervious in which was operating circular polarized radiation pattern Proposed can operate three An additional comparison with the previous design. Impedance bandwidth 30 MHz & 45...

Smart Cyber-Physical Systems (SCPS) has enhanced use of smart devices with numerous applications including cities, traffic management, cars, health care and grids. Core logic behind these usually require huge processing or massive data handling which are normally performed at cloud but the application will suffer from latency. Edge computing offers solution for latency aware computations edge network limited resources available nodes. This problem can be resolved by leveraging in a group...