Environmental Monitoring Systems: Review and Future Development

Šećerov, Ivan; Dolinaj, Dragan; Pavić, Dragoslav; Milošević, Dragan; Savić, Stevan; Popov, Srđan; Živanov, Žarko

doi:10.4236/wet.2019.101001

Cited by 18 publications

(7 citation statements)

References 34 publications

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“…Based on previous projects, study has been conducted, mainly to determine future courses of development. Previous projects included propriety solutions (Wahastrat, Meriexva) on both segments (remote and core) [75]. Based on the authors' experience and the need to integrate entire future systems into well established infrastructure and to open data structure that can be used for data transmission [41], the entire core segment of the NSUNET system is based on open-source solutions [41].…”

Section: High-demand Socket Server Modelmentioning

confidence: 99%

Achieving High Reliability in Data Acquisition

et al. 2021

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An urban environment defines a specific micro-climate which directly affects the quality of life in urbanized areas and often has a negative impact on urban populations. Phenomena like urban heat and surface heat islands are direct products of an urban lifestyle. Urban meteorological networks (UMNs) are a tool that can help to better understand and analyze the current situation and make the right decisions about future urban development. Deployed to monitor and record different objects and their states inside urban areas, UMNs build a long-term meteorological data time series database. The most commonly used systems for achieving this goal include wireless sensor networks (WSNs). This paper presents a combined experience in deploying three different WSN systems. During seven years of research in this field, the authors have recognized the importance of data reliability in data acquisition. More importantly, due to the lack of research addressing the reliability of the data received from WSNs by the core segment of the server (processes used in receiving, validating, parsing, and storing data into a database instance), the received data are used in scientific studies without questioning their reliability. To determine the possibility of shifting information provided by the data measured from sensor networks before it is stored in a desired form of database, this paper proposes a highly reliable socket server model. The model is built with high reliability and performance in mind and it includes three major processes, which use a combination of signals and control messages to pass information about their states. A case study is performed using high-end hardware, running a Linux operating system stressed to its limits. Repetition testing revealed inconsistency in the information provided by the operating system to the application layer, which could lead to the loss of information about short-term and rarely occurring monitored objects. The results lead to the conclusion that there is a clear need for a higher level of data reliability in the process of data acquisition by UMNs. The proposed socket server should fill this gap within the server’s core segment.

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Section: High-demand Socket Server Modelmentioning

confidence: 99%

Achieving High Reliability in Data Acquisition

et al. 2021

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“…Область применения экологических систем мониторинга обширна [2,3]. На сегодняшний день наиболее важными являются прогнозирование погодных условий [4,5], контроль загрязнений воздуха и выбросов в атмосферу токсичных веществ в городской среде и промышленных зонах [6,7], а также улучшение систем сельскохозяйственного производства [8][9][10].…”

Section: разработка макета распределенной сенсорной системы экологического мониторингаunclassified

A Prototype Unit of a Distributed Sensor System for Ecological Monitoring

Sevryukova

Volkova

Дорошенко

et al. 2021

Izv. vysš. učebn. zaved. Ross., Radioèlektron.

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Introduction. In this article, the basic principles of ecological monitoring were considered, and the possibilities of constructing sensor systems were analysed. It was proposed to use the NB-IoT low-energy telecommunication standard as a basic wireless protocol for ecological system development, which ensures effective communication of network devices. A prototype of the system was constructed, and algorithms for receiving and transmitting signals were simulated.Aim. To construct a prototype of a transceiver based on the NB-IoT standard and perform its simulation. To utilize digital twin in MatLab to create the proposed system.Materials and methods. The prototype was constructed using the Xilinx Zedboard evaluation board and transceiver on AD9361 chip, and the simulation was performed using the MatLab 2010 software package.Results. The results of the simulation in the channel with the additive white Gaussian noise (AWGN) were obtained, and the level of the detected synchronization signals of the NB-IoT standard was determined. The receiver and transmitter of the NB-IoT standard were implemented on the Xilinx Zedboard evaluation board. The timing simulation results show that the designed system can be tested in a real environment. The power consumption and resource utilization of the constructed wireless sensor network prototype unit were determined. Conclusion. The results obtained via the simulation process show that the designed prototype of the communication system works correctly, and the produced signal meets all the requirements of the NB-IoT standard. The results can be used for creating a domestic manufactured, specialized integrated chip for data units of ecological monitoring systems.

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“…WSNs have found applications in several domains, including healthcare monitoring [3][4][5][6][7][8][9], environmental monitoring [10][11][12][13][14], military monitoring [15][16][17], vehicle monitoring [18,19], industrial [20,21], agriculture [22][23][24], and urban monitoring applications [25]. ese numerous application areas have made WSN areas of intense research in wireless communications [26].…”

Section: Introductionmentioning

confidence: 99%

SMAC-Based WSN Protocol-Current State of the Art, Challenges, and Future Directions

Amengu

Abdulai

Katsriku

et al. 2022

Journal of Computer Networks and Communications

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Wireless Sensor Networks (WSNS) have become an indispensable tool in this epoch of technological advancements, particularly for progress made in the Internet of things. Wireless sensor nodes are deployed to collect and transmit vital data from the environment to a base station for analysis. Nevertheless, the limited battery power of the sensor nodes is rapidly drained when they stay awake for an extended period. Research has shown that significant sources of energy dissipation of sensor nodes are idle listening, packet collision, control overhead, and overhearing. One optimal solution is employing a low duty cycle mac protocol, particularly the sensor mac (SMAC) protocol. It is essential to have a detailed knowledge of the challenges identified in SMAC and solutions suggested to mitigate these challenges and the future directions. In this paper, we review techniques in SMAC protocols implemented in WSNS. In particular, we provide highlights of recent developments in the schemes used in SMAC for mitigating the challenges in SMAC and present research gaps in SMAC protocol. Finally, we discuss open issues that need to be addressed to advance the design and implementation of SMAC in WSN applications.

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Environmental Monitoring Systems: Review and Future Development

Cited by 18 publications

References 34 publications

Achieving High Reliability in Data Acquisition

Achieving High Reliability in Data Acquisition

A Prototype Unit of a Distributed Sensor System for Ecological Monitoring

SMAC-Based WSN Protocol-Current State of the Art, Challenges, and Future Directions

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