Optimizing the Lifetime of IoT-Based Star and Mesh Networks
IEEE Access, 2020 In this paper, we propose and analyze a novel optimization model to maximize the lifetime of Internet-of-Things (IoT) networks, including the Low Power Wide-Area Network (LPWAN) based Sigfox star networks and Time Slotted Channel Hopping (TSCH) mesh ...
Hamid Al-Hamadi +3 more
doaj +1 more source
IoT Security Vulnerabilities and Predictive Signal Jamming Attack Analysis in LoRaWAN [PDF]
, 2020 Internet of Things (IoT) gains popularity in recent times due to its flexibility, usability, diverse applicability and ease of deployment. However, the issues related to security is less explored. The IoT devices are light weight in nature and have low
Bhowmik, Deepayan +2 more
core +3 more sources
Communication protocols evaluation for a wireless rainfall monitoring network in an urban area
Heliyon, 2021 Rainfall monitoring networks are key elements for the development of alerts and prediction models for communities at risk of flooding during high intensity rainfall events.
Lilia Ortega-Gonzalez +3 more
doaj +1 more source
Localization in Low Power Wide Area Networks Using Wi-Fi Fingerprints
Applied Sciences, 2017 Supply chain management requires regular updates of the location of assets, which can be enabled by low power wide area networks, such as Sigfox. While it is useful to localize a device simply by its communication signals, this is very difficult to do ...
Thomas Janssen +2 more
doaj +1 more source
Analysis of the Distributed Queueing Algorithm in a Multichannel Network with Mixed-Type Traffic [PDF]
EAI Endorsed Transactions on Internet of Things, 2021 Networks such as LTE-M, NB-IoT, LoRa and SigFox are being deployed for massive IoT communications. However, the Aloha protocols used for the media access are inefficient when the network size is high.
Romeo Nibitanga +2 more
doaj +1 more source
Comprehensive Measurement-Based Assessment of Downlink RF-EMF Exposure in Urban Environments: Multi-Method Analysis and Intercomparison. [PDF]
BioelectromagneticsABSTRACT This paper presents a comprehensive measurement‐based assessment of radio‐frequency (RF) electromagnetic field (EMF) exposure level in a French city. Three types of assessment methods are used to collect measurement data: drive test (DT), spot measurements, and sensor networks. The DT measurements were conducted by a portable spectrum analyzer,
Wang S +8 more
europepmc +2 more sources
Effects of traffic characteristics on energy consumption of IoT End Devices in Smart City [PDF]
, 2019 The rapid urbanisation in many parts of the world in the last few decades has intensified the challenges of urban living. Internet of Things (IoT) can be leveraged as a tool for transformation to provide technology-assisted city development and ...
Adebisi, Bamidele +2 more
core +1 more source
A comparative study of LPWAN technologies for large-scale IoT deployment
ICT Express, 2019 By 2020, more than 50 billion devices will be connected through radio communications. In conjunction with the rapid growth of the Internet of Things (IoT) market, low power wide area networks (LPWAN) have become a popular low-rate long-range radio ...
Kais Mekki +3 more
doaj +1 more source
Choosing IoT-connectivity? A guiding methodology based on functional characteristics and economic considerations [PDF]
, 2018 Along with the growing market of Internet of Things (IoT), the set of IoT-connectivity networks is also continuously expanding. Large-scale deployments of the new low-power wide-area networks and announcements of new technologies prove this trend ...
Aqeel-ur-Rehman +7 more
core +2 more sources
Study on Search and Rescue System for Military and Civil use by using COSPAS SARSAT and Terrestrial Communication Network [PDF]
E3S Web of Conferences, 2019 We propose search and rescue system for the both military and civil uses with minimizing burden to COSPAS SARSAT by using terrestrial communication network like LTE as an example in the paper.
Lee Sanguk, Jeong Incheol, Ahn Woo-Geun
doaj +1 more source