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Journal of Sensor and Actuator Networks, Volume 13, Issue 3

2024 June - 5 articles

Cover Story: Overcome challenges of the in situ monitoring of essential variables of soil or other porous media (concrete, silos, compost, etc.), such as water content, salinity, and temperature. In situ metrology with the measurement of real soil variables, representativity, limited invasiveness, vertical profiles, a spatial scale from 50 m to several km, a temporal scale from 5 min to years, autonomy, real-time and remote data retrieval, ease of installation, low maintenance, robust, and cost-effective for duplication. The sensor contains all that is necessary in a compact form, reducing its footprint and any perturbation of water flows. Networks of a series of sensors provide spatial mapping and meet multiple applications. View this paper
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Articles (5)

  • Article
  • Open Access
7 Citations
5,257 Views
21 Pages

AI-Based Pedestrian Detection and Avoidance at Night Using Multiple Sensors

  • Hovannes Kulhandjian,
  • Jeremiah Barron,
  • Megan Tamiyasu,
  • Mateo Thompson and
  • Michel Kulhandjian

In this paper, we present a pedestrian detection and avoidance scheme utilizing multi-sensor data collection and machine learning for intelligent transportation systems (ITSs). The system integrates a video camera, an infrared (IR) camera, and a micr...

  • Article
  • Open Access
4 Citations
2,520 Views
24 Pages

With the increasing demand for high data rates, low delay, and extended battery life, managing massive machine-type communication (mMTC) in the beyond 5G (B5G) context is challenging. MMTC devices, which play a role in developing the Internet of Thin...

  • Article
  • Open Access
8 Citations
3,873 Views
25 Pages

This article presents a wireless in situ sensor designed to continuously monitor profiles of parameters in porous media, such as soil moisture, salinity, and temperature. A review of existing in situ soil sensors reveals that it is the only device ca...

  • Article
  • Open Access
5 Citations
2,674 Views
16 Pages

Time Delay Characterization in Wireless Sensor Networks for Distributed Measurement Applications

  • Šarūnas Kilius,
  • Darius Gailius,
  • Mindaugas Knyva,
  • Gintautas Balčiūnas,
  • Asta Meškuotienė,
  • Justina Dobilienė,
  • Simas Joneliūnas and
  • Pranas Kuzas

This paper investigates the critical aspect of synchronization in wireless sensor networks (WSNs) across diverse industrial applications. The low-cost sensor network topologies are analyzed. The communication delay measurements and quantitative jitte...

  • Article
  • Open Access
3 Citations
3,129 Views
18 Pages

A Multi-Agent Reinforcement Learning-Based Grant-Free Random Access Protocol for mMTC Massive MIMO Networks

  • Felipe Augusto Dutra Bueno,
  • Alessandro Goedtel,
  • Taufik Abrão and
  • José Carlos Marinello

The expected huge number of connected devices in Internet of Things (IoT) applications characterizes the massive machine-type communication (mMTC) scenario, one prominent use case of beyond fifth-generation (B5G) systems. To meet mMTC connectivity re...

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J. Sens. Actuator Netw. - ISSN 2224-2708