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Now showing items 201-210 of 281
Fabrication of a large scale metasurface with high resolution and enhanced absorption
(Optica Publishing Group (formerly OSA), 2023)
Plasmonic metasurface nanostructures have the potential to enable nonlinear optical functionality in metasurfaces by reducing power operating thresholds and enabling ultra-thin subwavelength devices. However, low absorption ...
A Compact Filtering Coupler with Unwanted Harmonic Rejection Using LC Composite Lines for Communication Systems Applications
(MDPI, 2023)
In this paper, new LC lumped components and composite lines are used to create a filtering branch line coupler (FBLC) with a small size and wide suppression band. New composite lines are proposed using applied LC lumped ...
From smart grids to super smart grids: A roadmap for strategic demand management for next generation SAARC and European Power Infrastructure
(Institute of Electrical and Electronics Engineers Inc., 2023)
Due to an increasing of demands of electricity in a world on regular basis, different continents will initiate a step towards transforming their smart grids infrastructure into super smart grids (SSGs), in which various ...
Human–Computer Interaction and Participation in Software Crowdsourcing
(MDPI, 2023)
Improvements in communication and networking technologies have transformed people’s lives and organizations’ activities. Web 2.0 innovation has provided a variety of hybridized applications and tools that have changed ...
A Cross-Layer Solution for Contention Control to Enhance TCP Performance in Wireless Ad-hoc Networks
(Institute of Electrical and Electronics Engineers Inc., 2023)
With the development of wireless technology, users not only have wireless access to the Internet, but this has also sparked the emergence of Wireless Ad-hoc Networks (WANETs); this promising networking paradigm has the ...
Energy-Efficient Bi-Objective Optimization Based on the Moth–Flame Algorithm for Cluster Head Selection in a Wireless Sensor Network
(MDPI, 2023)
Designing an efficient wireless sensor network (WSN) system is considered a challenging problem due to the limited energy supply per sensor node. In this paper, the performance of several bi-objective optimization algorithms ...
Jamming Resilient Multi-Channel Transmission for Cognitive Radio IoT-based Medical Networks
(Korean Institute of Communication Sciences, 2022)
The era of the Internet-of-things (IoT) comes with tremendous burdens on pre-existing network infrastructures and protocols due to spectrum scarcity and reliability concerns. Cognitive radio (CR) technology is proposed for ...
Modeling of Multi-Level Planning of Shifting Bottleneck Resources Integrated with Downstream Wards in a Hospital
(MDPI, 2023)
Featured Application: The proposed model in this research is significant for hospitals for effective and efficient planning and scheduling of their resources. It has practical significance in a hospital where the whole ...
Alkali-activated slag & fly ash as sustainable alternatives to OPC: Sorptivity and strength development characteristics of mortar
(Elsevier Ltd, 2023)
One approach to decreasing the environmental footprint of the construction industry is to replace ordinary Portland cement (OPC) with recycled slag and fly ash activated using alkaline materials. This article presents the ...
On-Chip Terahertz antenna array based on amalgamation of metasurface-inspired and artificial magnetic conductor technologies for next generation of wireless electronic devices
(Elsevier GmbH, 2023)
The paper presents a feasibility study on an innovative terahertz (THz) on-chip antenna array designed to reliably meet the high-performance connectivity requirements for next generation of wireless devices to enable ...