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Sensors, Volume 19, Issue 10

May-2 2019 - 209 articles

Cover Story: seThe inevitable role of wearable technologies in daily life is attracting huge market space in the areas of medical sensing, tracking, navigation, and sports. Antennas are vital components of these wearable devices. The most challenging part of designing wearable antennas is choosing an efficient and cost-effective fabrication method. This work presents the state-of-the-art in recently developed fabrication methods for wearable antennas, which can be grouped according to five categories: embroidered on fabrics, encapsulated in polymer composites, printed using inkjets on flexible laminates and a 3-D printer and, more interestingly, by injecting liquid metal in microchannels; each with their own considerations, strengths, and limitations. Finally, after comparing all of the current methods, some of the noticeably open research topics and future directions for research are highlighted. View this paper.
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Articles (209)

  • Article
  • Open Access
13 Citations
4,575 Views
24 Pages

26 May 2019

As Wireless Sensor Networks (WSNs) grow in popularity, researchers are now focusing more on some challenging issues that significantly degrade overall performance, such as energy hole mitigation, link asymmetry minimization, etc. Link asymmetry is a...

  • Article
  • Open Access
8 Citations
3,727 Views
28 Pages

26 May 2019

Heterogeneous Bistatic Radars (BR) have different sensing ranges and couplings of sensing regions, which provide more flexible coverage for the boundary at complex terrain such as across rivers and valleys. Due to the Cassini oval sensing region of a...

  • Article
  • Open Access
20 Citations
4,679 Views
25 Pages

A Distributed Approach for Collision Avoidance between Multirotor UAVs Following Planned Missions

  • Francisco Fabra,
  • Willian Zamora,
  • Julio Sangüesa,
  • Carlos T. Calafate,
  • Juan-Carlos Cano and
  • Pietro Manzoni

26 May 2019

As the number of potential applications for Unmanned Aerial Vehicles (UAVs) keeps rising steadily, the chances that these devices get close to each other during their flights also increases, causing concerns regarding potential collisions. This paper...

  • Article
  • Open Access
13 Citations
4,305 Views
28 Pages

SAFE-MAC: Speed Aware Fairness Enabled MAC Protocol for Vehicular Ad-hoc Networks

  • Md. Abubakar Siddik,
  • Shafika Showkat Moni,
  • Mohammad Shah Alam and
  • William A. Johnson

26 May 2019

Highly dynamic geographical topology, two-direction mobility, and varying traffic density can lead to fairness issues in Vehicular Ad-hoc Networks (VANETs). The Medium Access Control (MAC) protocol plays a vital role in sharing the common wireless ch...

  • Article
  • Open Access
268 Citations
29,122 Views
31 Pages

25 May 2019

Industry 4.0 has paved the way for a world where smart factories will automate and upgrade many processes through the use of some of the latest emerging technologies. One of such technologies is Unmanned Aerial Vehicles (UAVs), which have evolved a g...

  • Article
  • Open Access
74 Citations
8,024 Views
16 Pages

25 May 2019

Wireless body area networks (WBANs) are expected to play a vital role in the field of patient-health monitoring shortly. They provide a convenient way to collect patient data, but they also bring serious problems which are mainly reflected in the saf...

  • Article
  • Open Access
4 Citations
5,056 Views
19 Pages

25 May 2019

Autonomous Unmanned Aerial Manipulators (UAMs) have shown promising potential in mobile 3-dimensional grasping applications, but they still suffer from some difficulties impeding their board applications, such as target detection and indoor positioni...

  • Article
  • Open Access
18 Citations
4,308 Views
23 Pages

Knowledge Preserving OSELM Model for Wi-Fi-Based Indoor Localization

  • Ahmed Salih AL-Khaleefa,
  • Mohd Riduan Ahmad,
  • Azmi Awang Md Isa,
  • Mona Riza Mohd Esa,
  • Yazan Aljeroudi,
  • Mohammed Ahmed Jubair and
  • Reza Firsandaya Malik

25 May 2019

Wi-Fi has shown enormous potential for indoor localization because of its wide utilization and availability. Enabling the use of Wi-Fi for indoor localization necessitates the construction of a fingerprint and the adoption of a learning algorithm. Th...

  • Article
  • Open Access
44 Citations
5,714 Views
19 Pages

25 May 2019

In classification of satellite images acquired over smallholder agricultural landscape with complex spectral profiles of various crop types, exploring image spatial information is important. The deep convolutional neural network (CNN), originally des...

  • Article
  • Open Access
16 Citations
11,138 Views
19 Pages

SmartFire: Intelligent Platform for Monitoring Fire Extinguishers and Their Building Environment

  • Roberto Garcia-Martin,
  • Alfonso González-Briones and
  • Juan M. Corchado

25 May 2019

Due to fire protection regulations, a minimum number of fire extinguishers must be available depending on the surface area of each building, industrial establishment or workplace. There is also a set of rules that establish where the fire extinguishe...

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Sensors - ISSN 1424-8220