Results 21 to 30 of about 1,845 (154)
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
Sigfox and LoRaWAN Datasets for Fingerprint Localization in Large Urban and Rural Areas
Data, 2018 Because of the increasing relevance of the Internet of Things and location-based services, researchers are evaluating wireless positioning techniques, such as fingerprinting, on Low Power Wide Area Network (LPWAN) communication.
Michiel Aernouts +3 more
doaj +1 more source
Sigfox and LoRa PHY and MAC layers
, 2018 This report presents the basic elements of the physical and mac layers for the LoRa and Sigfox ...
Ferré, Guillaume, Simon, Eric, Pierre
core +3 more sources
(In)security of the Radio Interface in Sigfox [PDF]
, 2020 Sigfox is a popular communication and security protocol which allows setting up low-power wide-area networks for the Internet of Things. Currently, Sigfox networks operate in 72 countries, and cover 1.3 billion people. In this paper, we make an extensive
Loïc Ferreira
core +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
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
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
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
Sistema de monitorização de consumo de água utilizando tecnologia Sigfox [PDF]
, 2017 Este projeto consiste na criação de um contador de água inteligente. Para tal foi criado um contador de água especial a ser colocado em série com o contador da habitação. Este novo contador contém 2 ímanes e um sensor de Wiegand que gera impulsos a cada
Rui Miguel Ribeiro Barbosa
core +1 more source
Performance analysis of sigfox deployment [PDF]
, 2022 Low-power wide area network (LPWAN) has become a promising communication technology as alternative solutions on long range communications, low power consumption and low cost that overcome the problems faced by traditional communications.
Ammar, Tajuddin +4 more
core +1 more source