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Distributed and Pervasive Sensing

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Sensor Networks".

Deadline for manuscript submissions: closed (30 September 2021) | Viewed by 19126

Special Issue Editors


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Guest Editor
Center for Biomolecular Science and Engineering, Code 6900, US Naval Research Laboratory, Washington, DC 20375, USA
Interests: protective coatings; distributed sensing; environmental monitoring; self-decontaminating materials, and natural products
Special Issues, Collections and Topics in MDPI journals

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Co-Guest Editor
Center for Bio/Molecular Science and Engineering, Code 6900, US Naval Research Laboratory, Washington, DC 20375, USA
Interests: distributed sensing; wireless networks; chemical sensors; autonomous vehicles; machine learning; internet of things; electronics; firmware development
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Fault-tolerant, wireless networks that incorporate sensors for monitoring physical characteristics, such as temperature, vibration, and proximity, have been realized for application in a range of industrial settings. For other applications, the development of such sensing networks is limited by the availability of low-cost, low-power, or miniaturized sensing technologies. Chemical and biological sensors, for example, have traditionally been developed for high analytical sensitivity and specificity, resulting in large, power-hungry, and often expensive systems unsuitable to redundancy and distribution. Efforts in this area have begun to consider materials and approaches that provide information of lesser specificity or sensitivity while offering high spatial and temporal resolution. This Special Issue highlights developments in the area of distributed and pervasive sensing networks, including systems, devices, enabling methods, and materials that facilitate the use of these approaches in under-served spheres or for unrealized applications.

Dr. Brandy J. Johnson
Dr. Jeffrey S. Erickson
Guest Editors

Manuscript Submission Information

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • distributed sensing;
  • pervasive sensing;
  • perimeter monitoring;
  • area monitoring;
  • health-related monitoring;
  • environmental monitoring;
  • sensor networks;
  • autonomous sensors;
  • sensor bundles;
  • event mapping;
  • plume progression and prediction;
  • Internet of Things (IoT)-related technologies;
  • detection algorithms;
  • decision-making frameworks;
  • information security;
  • data throughput;
  • miniaturized and autonomous devices.

Published Papers (5 papers)

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Research

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18 pages, 42880 KiB  
Article
Ping-Pong Free Advanced and Energy Efficient Sensor Relocation for IoT-Sensory Network
by Moonseong Kim, Sooyeon Park and Woochan Lee
Sensors 2020, 20(19), 5654; https://doi.org/10.3390/s20195654 - 02 Oct 2020
Cited by 4 | Viewed by 1866
Abstract
With the growing interest in big data technology, mobile IoT devices play an essential role in data collection. Generally, IoT sensor nodes are randomly distributed to areas where data cannot be easily collected. Subsequently, when data collection is impossible (i.e., sensing holes occurrence [...] Read more.
With the growing interest in big data technology, mobile IoT devices play an essential role in data collection. Generally, IoT sensor nodes are randomly distributed to areas where data cannot be easily collected. Subsequently, when data collection is impossible (i.e., sensing holes occurrence situation) due to improper placement of sensors or energy exhaustion of sensors, the sensors should be relocated. The cluster header in the sensing hole sends requests to neighboring cluster headers for the sensors to be relocated. However, it can be possible that sensors in the specific cluster zones near the sensing hole are continuously requested to move. With this knowledge, there can be a ping-pong problem, where the cluster headers in the neighboring sensing holes repeatedly request the movement of the sensors in the counterpart sensing hole. In this paper, we first proposed the near-uniform selection and movement scheme of the sensors to be relocated. By this scheme, the energy consumption of the sensors can be equalized, and the sensing capability can be extended. Thus the network lifetime can be extended. Next, the proposed relocation protocol resolves a ping-pong problem using queues with request scheduling. Another crucial contribution of this paper is that performance was analyzed using the fully-customed OMNeT++ simulator to reflect actual environmental conditions, not under over-simplified artificial network conditions. The proposed relocation protocol demonstrates a uniform and energy-efficient movement with ping-pong free capability. Full article
(This article belongs to the Special Issue Distributed and Pervasive Sensing)
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Review

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34 pages, 740 KiB  
Review
From Offline to Real-Time Distributed Activity Recognition in Wireless Sensor Networks for Healthcare: A Review
by Rani Baghezza, Kévin Bouchard, Abdenour Bouzouane and Charles Gouin-Vallerand
Sensors 2021, 21(8), 2786; https://doi.org/10.3390/s21082786 - 15 Apr 2021
Cited by 9 | Viewed by 3465
Abstract
This review presents the state of the art and a global overview of research challenges of real-time distributed activity recognition in the field of healthcare. Offline activity recognition is discussed as a starting point to establish the useful concepts of the field, such [...] Read more.
This review presents the state of the art and a global overview of research challenges of real-time distributed activity recognition in the field of healthcare. Offline activity recognition is discussed as a starting point to establish the useful concepts of the field, such as sensor types, activity labeling and feature extraction, outlier detection, and machine learning. New challenges and obstacles brought on by real-time centralized activity recognition such as communication, real-time activity labeling, cloud and local approaches, and real-time machine learning in a streaming context are then discussed. Finally, real-time distributed activity recognition is covered through existing implementations in the scientific literature, and six main angles of optimization are defined: Processing, memory, communication, energy, time, and accuracy. This survey is addressed to any reader interested in the development of distributed artificial intelligence as well activity recognition, regardless of their level of expertise. Full article
(This article belongs to the Special Issue Distributed and Pervasive Sensing)
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26 pages, 9886 KiB  
Review
Recent Progress in Distributed Fiber Acoustic Sensing with Φ-OTDR
by Zhaoyong Wang, Bin Lu, Qing Ye and Haiwen Cai
Sensors 2020, 20(22), 6594; https://doi.org/10.3390/s20226594 - 18 Nov 2020
Cited by 66 | Viewed by 8477
Abstract
Distributed fiber acoustic sensing (DAS) technology can continuously spatially detect disturbances along the sensing fiber over long distance in real time. It has many unique advantages, including, large coverage, high time-and-space resolution, convenient implementation, strong environment adaptability, etc. Nowadays, DAS becomes a versatile [...] Read more.
Distributed fiber acoustic sensing (DAS) technology can continuously spatially detect disturbances along the sensing fiber over long distance in real time. It has many unique advantages, including, large coverage, high time-and-space resolution, convenient implementation, strong environment adaptability, etc. Nowadays, DAS becomes a versatile technology in many fields, such as, intrusion detection, railway transportation, seismology, structure health monitoring, etc. In this paper, the sensing principle and some common performance indexes are introduced, and a brief overview of recent DAS researches in Shanghai Institute of Optics and Fine Mechanics (SIOM) is presented. Some representative research advances are explained, including, quantitative demodulation, interference fading suppression, frequency response boost, high spatial resolution, and distributed multi-dimension localization. The engineering applications of DAS, carried out by SIOM and other groups, are summarized and reviewed. Finally, possible future directions are discussed and concluded. It is believed that, DAS has great development potential and application prospect. Full article
(This article belongs to the Special Issue Distributed and Pervasive Sensing)
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21 pages, 5216 KiB  
Review
Development of a Colorimetric Sensor for Autonomous, Networked, Real-Time Application
by Brandy J. Johnson, Anthony P. Malanoski and Jeffrey S. Erickson
Sensors 2020, 20(20), 5857; https://doi.org/10.3390/s20205857 - 16 Oct 2020
Cited by 8 | Viewed by 2279
Abstract
This review describes an ongoing effort intended to develop wireless sensor networks for real-time monitoring of airborne targets across a broad area. The goal is to apply the spectrophotometric characteristics of porphyrins and metalloporphyrins in a colorimetric array for detection and discrimination of [...] Read more.
This review describes an ongoing effort intended to develop wireless sensor networks for real-time monitoring of airborne targets across a broad area. The goal is to apply the spectrophotometric characteristics of porphyrins and metalloporphyrins in a colorimetric array for detection and discrimination of changes in the chemical composition of environmental air samples. The work includes hardware, software, and firmware design as well as development of algorithms for identification of event occurrence and discrimination of targets. Here, we describe the prototype devices and algorithms related to this effort as well as work directed at selection of indicator arrays for use with the system. Finally, we review the field trials completed with the prototype devices and discuss the outlook for further development. Full article
(This article belongs to the Special Issue Distributed and Pervasive Sensing)
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Other

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12 pages, 3252 KiB  
Letter
Field Demonstration of a Distributed Microsensor Network for Chemical Detection
by Jeffrey S. Erickson, Brandy J. Johnson and Anthony P. Malanoski
Sensors 2020, 20(18), 5424; https://doi.org/10.3390/s20185424 - 22 Sep 2020
Cited by 1 | Viewed by 2118
Abstract
We have developed the ABEAM-15, a custom-built multiplexed reflectance device for the detection of vapor phase and aerosolized chemical plumes. The instrument incorporates fifteen individual sensing elements, has wireless communications, offers support for a battery pack, and is capable of both live and [...] Read more.
We have developed the ABEAM-15, a custom-built multiplexed reflectance device for the detection of vapor phase and aerosolized chemical plumes. The instrument incorporates fifteen individual sensing elements, has wireless communications, offers support for a battery pack, and is capable of both live and fully autonomous operation. Two housing options have been fabricated: a compact open housing for indoor use and a larger weather-sealed housing for outdoor use. Previously developed six-plex analysis algorithms are extended to 15-plex format and implemented on a laptop computer. We report the results of recent outdoor field trials with this instrument in Denver, CO in a stadium security scenario. Through software, the wireless modules on each instrument were configured to form a six-instrument, star-point topology, distributed microsensor network with live reporting and real-time data analysis. The network was tested with aerosols of methyl salicylate. Full article
(This article belongs to the Special Issue Distributed and Pervasive Sensing)
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