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Electronics, Volume 10, Issue 2

January-2 2021 - 123 articles

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Cover Story: A simple metasurface integrated with horn antenna exhibiting wide bandwidth, covering the full Ku-band, using 3D printing is presented. It consists of a 3D-printed horn and a 3D-printed phase transformation surface placed at the horn aperture. The proposed surface is configured by unit cells and helps to improve the field over the horn aperture, resulting in lower phase variations, lower sidelobe levels in both E- and H-planes, overall increment in directivity with peak measured directivity up to 24.8 dBi, and improvement in aperture efficiency of about 35% to 72% in the frequency range 10–18 GHz. The total weight of the proposed antenna is about 345.37 g; it is a low-cost and rapid manufacturing solution using 3D printing technology. View this paper

Articles (123)

  • Article
  • Open Access
2 Citations
4,376 Views
13 Pages

In Wi-Fi Protected Access 3 (WPA3), a secure connection is established in two sequential stages. Firstly, in the authentication and association stage, a pairwise master key (PMK) is generated. Secondly, in the post-association stage, a pairwise trans...

  • Feature Paper
  • Article
  • Open Access
12 Citations
4,558 Views
24 Pages

Scattering from Spheres: A New Look into an Old Problem

  • Giuseppe Ruello and
  • Riccardo Lattanzi

In this work, we introduce a theoretical framework to describe the scattering from spheres. In our proposed framework, the total field in the outer medium is decomposed in terms of inward and outward electromagnetic fields, rather than in terms of in...

  • Article
  • Open Access
84 Citations
11,354 Views
28 Pages

Wireless Sensor Networks for Smart Cities: Network Design, Implementation and Performance Evaluation

  • Ala’ Khalifeh,
  • Khalid A. Darabkh,
  • Ahmad M. Khasawneh,
  • Issa Alqaisieh,
  • Mohammad Salameh,
  • Ahmed AlAbdala,
  • Shams Alrubaye,
  • Anwar Alassaf,
  • Samer Al-HajAli and
  • Radi Al-Wardat
  • + 3 authors

The advent of various wireless technologies has paved the way for the realization of new infrastructures and applications for smart cities. Wireless Sensor Networks (WSNs) are one of the most important among these technologies. WSNs are widely used i...

  • Article
  • Open Access
29 Citations
4,489 Views
17 Pages

In order to improve the recognition rate of the biometric identification system, the features of each unimodal biometric are often combined in a certain way. However, there are some mutually exclusive redundant features in those combined features, wh...

  • Review
  • Open Access
13 Citations
4,011 Views
20 Pages

People nowadays are entering an era of rapid evolution due to the generation of massive amounts of data. Such information is produced with an enormous contribution from the use of billions of sensing devices equipped with in situ signal processing an...

  • Article
  • Open Access
3 Citations
2,679 Views
12 Pages

Sensorless control technology of PMSMs is of great importance for safety and reliability in electric vehicles. Among all existing methods, only the extended flux-based method has great performance over all speed range. However, the accuracy and relia...

  • Article
  • Open Access
13 Citations
3,759 Views
16 Pages

Experimental Validation of Metaheuristic and Conventional Modulation, and Hysteresis Control of the Dual Boost Nine-Level Inverter

  • Deepak Upadhyay,
  • Shahbaz Ahmad Khan,
  • Mohammad Ali,
  • Mohd Tariq,
  • Adil Sarwar,
  • Ripon K. Chakrabortty and
  • Michael J. Ryan

In this article, various modulation strategies and hysteresis-band control of a recently introduced dual-boost nine-level inverter (DB9LI) are implemented. DB9LI is a switched capacitor based inverter capable of generating symmetrical nine output vol...

  • Article
  • Open Access
11 Citations
3,349 Views
16 Pages

Latencies in Power Systems: A Database-Based Time-Delay Compensation for Memory Controllers

  • Alexander Molina-Cabrera,
  • Mario A. Ríos,
  • Yvon Besanger,
  • Nouredine Hadjsaid and
  • Oscar Danilo Montoya

Time-delay is inherent to communications schemes in power systems, and in a closed loop strategy the presence of latencies increases inter-area oscillations and security problems in tie-lines. Recently, Wide Area Measurement Systems (WAMS) have been...

  • Article
  • Open Access
12 Citations
2,974 Views
20 Pages

Due to the high power bills and the negative environmental impacts, workflow scheduling with energy consciousness has been an emerging need for modern heterogeneous computing systems. A number of approaches have been developed to find suboptimal sche...

  • Article
  • Open Access
4 Citations
2,572 Views
16 Pages

With the development of global navigation satellite systems (GNSS), multiple signals modulated on different sub-carriers are needed to provide various services and to ensure compatibility with previous signals. As an effective method to provide diver...

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