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Applied Sciences, Volume 11, Issue 7

April-1 2021 - 409 articles

Cover Story: Wireless body area networks (WBANs) are a subset of wireless sensor networks (WSNs) with unique challenges due to mobility and over-the-body radio propagation. This work presents an empirical performance analysis of several WBAN channels that is based on the receiver signal strength indicator (RSSI) and packet reception rate (PRR) metrics. Using real hardware nodes, this article characterizes four different physical activities—standing, sitting, cycling and walking—evaluating the effect of the frequency band, transmit power and node placement for several human subjects. This analysis confirms the theoretical notions of path attenuation and serves as a benchmark for the design of future algorithms. View this paper.
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Articles (409)

  • Article
  • Open Access
30 Citations
9,059 Views
28 Pages

Cybersecurity Model Based on Hardening for Secure Internet of Things Implementation

  • Aarón Echeverría,
  • Cristhian Cevallos,
  • Ivan Ortiz-Garces and
  • Roberto O. Andrade

6 April 2021

The inclusion of Internet of Things (IoT) for building smart cities, smart health, smart grids, and other smart concepts has driven data-driven decision making by managers and automation in each domain. However, the hyper-connectivity generated by Io...

  • Article
  • Open Access
11 Citations
4,356 Views
12 Pages

6 April 2021

Digital radiography (DR) is a mature technology and has been broadly used in medical diagnosis. Currently, it’s also used for fruit quality inspection in the market. This purpose of the study is to conduct non-destructive experiments for visual compa...

  • Editorial
  • Open Access
7 Citations
2,798 Views
3 Pages

6 April 2021

The present Special Issue comprises a collection of articles addressing the many ways in which extracellular matrix (ECM), or its components parts, can be used in regenerative medicine applications. ECM is a dynamic structure, composed of a three-dim...

  • Article
  • Open Access
22 Citations
5,844 Views
17 Pages

6 April 2021

Building roofs are sources of unwanted heat for buildings situated in zones with a warm climate. Thus, reflective coatings have emerged as an alternative to reject a fraction of the solar energy received by roofs. In this research, the thermal behavi...

  • Article
  • Open Access
1 Citations
8,685 Views
16 Pages

6 April 2021

Under high gravity loads, steel double-beam floor systems need to be reinforced by beam-end concrete panels to reduce the material quantity since rotational constraints from the concrete panel can decrease the moment demand by inducing a negative mom...

  • Article
  • Open Access
4 Citations
2,762 Views
11 Pages

Passive Multi-Layer Composite Damper of Flat Belt Tensioner Idler

  • Zuzana Murčinková,
  • Jozef Živčák,
  • Jozef Zajac and
  • Pavel Adamčík

6 April 2021

In this study, the effect of multi-layer composite passive dampers on the dynamic properties of a mechanical system (a testing machine tool bench) was tested. Passive dampers are characterized by a layered structure, with each layer consisting of a s...

  • Article
  • Open Access
5 Citations
4,708 Views
15 Pages

6 April 2021

Non-circular gears can maintain rotational motions of general gears and implement all varying rotational motions of the cam. They adjust the angular velocity of driven gear according to operating conditions and make precise changes in angular motion....

  • Article
  • Open Access
2 Citations
2,739 Views
12 Pages

The Effect of Edible Coatings on Selected Physicochemical Properties of Cassava Chips

  • Diofanor Acevedo-Correa,
  • José Jaimes-Morales and
  • Piedad M. Montero-Castillo

6 April 2021

The objective of this research was to study the effect of edible coatings on the physicochemical properties of cassava chips. The oil and moisture absorption in fried cassava chips that were not coated and in chips that were coated with pectin and wh...

  • Feature Paper
  • Article
  • Open Access
19 Citations
3,652 Views
34 Pages

Large-Scale Truss-Sizing Optimization with Enhanced Hybrid HS Algorithm

  • Sadik Ozgur Degertekin,
  • Mohammad Minooei,
  • Lorenzo Santoro,
  • Bartolomeo Trentadue and
  • Luciano Lamberti

6 April 2021

Metaheuristic algorithms currently represent the standard approach to engineering optimization. A very challenging field is large-scale structural optimization, entailing hundreds of design variables and thousands of nonlinear constraints on element...

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Appl. Sci. - ISSN 2076-3417