Browsing Network & Communication by Title
Now showing items 42-61 of 102
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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 Formula for Successful Transmission Probability in Opportunistic Networks Under Memory-time Correlated Channel Availability
(Institute of Electrical and Electronics Engineers Inc., 2023)Dynamic Spectrum Access (DSA) technology in wireless Cognitive Radio Networks (CRNs) provides opportunistic access for unlicensed users, also known as Secondary Users (SUs), which can offer huge bandwidth to enable future ... -
Frequency and pattern reconfigurable antenna for emerging wireless communication systems
(MDPI AG., 2019)A printed and minimal size antenna having the functionality of frequency shifting as well as pattern reconfigurability is presented in this work. The antenna proposed in this work consists of three switches. Switch 1 is a ... -
A frequency and radiation pattern combo-reconfigurable novel antenna for 5g applications and beyond
(MDPI AG., 2020)This paper presents a novel combo-reconfigurable architecture for the frequency and radiation patterning of a novel antenna system for future fifth-generation (5G) millimeter-wave mobile communication. The tuning system ... -
A frequency reconfigurable U-shaped antenna for dual-band WIMAX/WLAN systems
(Electromagnetics Academy, 2018)A novel frequency reconfigurable antenna is proposed for WiMAX and WLAN applications. It has a simple structure and compact size of 0.44λg × 0.37λg. The proposed approach is based on utilizing of a double planar U-shaped ... -
FUBA: A fuzzy-based unmanned aerial vehicle behaviour analytics for trust management in flying ad-hoc networks
(John Wiley and Sons Inc, 2023)Flying Ad-Hoc Network (FANET) is a promising ad hoc networking paradigm that can offer new added value services in military and civilian applications. Typically, it incorporates a group of Unmanned Aerial Vehicles (UAVs), ... -
General model for best feature extraction of EEG using discrete wavelet transform wavelet family and differential evolution
(SAGE Publications Ltd, 2020)Wavelet family and differential evolution are proposed for categorization of epilepsy cases based on electroencephalogram (EEG) signals. Discrete wavelet transform is widely used in feature extraction step because it ... -
High performance antenna-on-chip inspired by SIW and metasurface technologies for THz band operation
(Nature Research, 2023)In this paper, a high-performance antenna-on-chip (AoC) is implemented on gallium arsenide (GaAs) wafer based on the substrate integrated waveguide (SIW) and metasurface (MTS) technologies for terahertz band applications. ... -
Highly integrable planar-structured printed circularly polarized antenna for emerging wideband internet of things applications in the millimeter-wave band
(Nature Research, 2024)This paper proposes a numerically and experimentally validated printed wideband antenna with a planar geometry for Internet of Things (IoT) applications. This design tackles the challenges associated with deploying IoT ... -
Highly-isolated compact self-diplexing antenna
(Elsevier GmbH, 2024-01)This article introduces a novel low-profile self-duplexing antenna with high isolation for out-band operation applications. The antenna design features two patches, one rectangular and one triangular, both utilizing the ... -
Hybrid Isolator for Mutual-Coupling Reduction in Millimeter-Wave MIMO Antenna Systems
(IEEE., 2019)A novel millimeter-wave (MMW) hybrid isolator is presented to reduce the mutual-coupling (MC) between two closely-spaced dielectric resonators (DR) antennas at 60 GHz. The proposed hybrid isolator consists of a combination ... -
Identity identification and management in the internet of things
(Zarka Private University, 2020)Henceforth, users agreed on the necessity of continuous Internet connection independently of the place, the manner, and the time. Nowadays, several elite services are accessible by people over the Internet of Things (IoT), ... -
Impact of 3G and 4G Technology Performance on Customer Satisfaction in the Telecommunication Industry
(MDPI, 2023)This study investigates the impact of factors (network coverage, customer service, video calls, and downloading Speed) of 3G and 4G telecommunication services performance on customer satisfaction in the Punjab region of ... -
Implementation of Spatial/Polarization Diversity for Improved-Performance Circularly Polarized Multiple-Input-Multiple-Output Ultra-Wideband Antenna
(IEEE, 2020)In this paper, spatial and polarization diversities are simultaneously implemented in an ultra-wideband (UWB) multiple-input-multiple-output (MIMO) antenna to reduce the correlation between the parallel-placed radiators. ... -
An improved hybrid particle swarm optimization and tabu search algorithm for expansion planning of large dimension electric distribution network
(MDPI AG., 2019)Optimal expansion of medium-voltage power networks is a common issue in electrical distribution planning. Minimizing the total cost of the objective function with technical constraints make it a combinatorial problem which ... -
Improved-efficacy optimization of compact microwave passives by means of frequency-related regularization
(Institute of Electrical and Electronics Engineers Inc., 2020)Electromagnetic (EM)-driven optimization is an important part of microwave design, especially for miniaturized components where the cross-coupling effects in tightly arranged layouts make traditional (e.g., equivalent ... -
An innovative fractal monopole MIMO antenna for modern 5G applications
(Elsevier GmbH, 2023)Proposed in this paper is the design of an innovative and compact antenna array which based on four radiating elements for multi-input multi-output (MIMO) antenna applications used in 5G communication systems. The radiating ... -
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 ... -
LDAB-GPSR: Location PreDiction with Adaptive Beaconing – Greedy Perimeter Stateless Routing Protocol for Mobile Ad Hoc Networks
(Kauno Technologijos Universitetas, 2022)In mobile ad-hoc networks (MANET), nodes are randomly distributed and move freely, and hence the network may face rapid and unexpected topological changes. In this paper, an improved greedy perimeter stateless routing ... -
Low-profile frequency reconfigurable antenna for heterogeneous wireless systems
(MDPI AG., 2019)A low-profile (0.21λg× 0.35λg× 0.02λg ) and a simply-structured frequency-switchable antenna with eight frequency choices is presented in this paper. The radiating structure (monopole) is printed on a 1.6-mm thicker, ...