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Automated estimation of link quality for LoRa

Silvia Demetri, Marco Zúñiga, Gian Pietro Picco, Fernando Kuipers, Lorenzo Bruzzone, Thomas Telkamp
2019 Proceedings of the 18th International Conference on Information Processing in Sensor Networks - IPSN '19  
We propose a novel, automated approach to estimate the coverage of LoRa gateways prior to deployment and without on-site measurements.  ...  A key asset of our approach is the use of remote sensing techniques to obtain environment-specific information in a low-cost manner. Key asset: Remote Sensing.  ...  We thank Lichen Yao, Minfeng Li, Lu Liu, and Xin Liu for their help with the in-field experimental campaign.  ... 
doi:10.1145/3302506.3310396 dblp:conf/ipsn/DemetriZPKBT19 fatcat:c6a3lro6kndkdlr6vrpd2xy6nq

IOT Based LORA Technology for Precision Agriculture

Hiba Iftikhar, Ranjit Biswas, Nashrah .
2020 Saudi Journal of Engineering and Technology  
LPWAN is a wireless network technology, which can be inculcated in the agriculture farms for precision purpose.  ...  Agriculture is the backbone of the economic system declining its production due to overpopulation and urbanization, so there is a need of precision agriculture.  ...  [16] proposes a study concluding the rapid progress of sensing technologies and ML techniques to provide cost-effective and comprehensive solutions for better estimation and decision-making of crops  ... 
doi:10.36348/sjet.2020.v05i04.004 fatcat:w3teo5lfs5aj3ioaqtfktvenhi

Recent Advances in LoRa: A Comprehensive Survey

Zehua Sun, Huanqi Yang, Kai Liu, Zhimeng Yin, Zhenjiang Li, Weitao Xu
2022 ACM transactions on sensor networks  
The vast demand for diverse applications raises new networking challenges, which have encouraged the development of a new paradigm of Internet of Things (IoT), e.g., LoRa.  ...  LoRa is a proprietary spread spectrum modulation technique, which provides a solution for long-range and ultra-low power-consumption transmission.  ...  [37] proposed an automated link quality estimation method without on-site measurements, which can also be used for gateway deployment planning.  ... 
doi:10.1145/3543856 fatcat:n454idfkmnfk5fzgaau2goy3hm

IoT devices and applications based on LoRa/LoRaWAN

Oratile Khutsoane, Bassey Isong, Adnan M. Abu-Mahfouz
2017 IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society  
The objective is to contribute toward the realization of LoRa as a viable communication technology for applications that needs long-range links and deployed in a distributed manner.  ...  This motivates the development of many Low-Power Wide Area Networks (LPWAN) technologies, such as LoRa, to fulfill these requirements.  ...  It is a low cost automated system for greenhouse gas emissions monitoring network around their city.  ... 
doi:10.1109/iecon.2017.8217061 dblp:conf/iecon/KhutsoaneIA17 fatcat:2w5tt2ma3zawbbd4zpbhdc5zue

Low-latency Imaging and Inference from LoRa-enabled CubeSats [article]

Akshay Gadre, Swarun Kumar, Zachary Manchester
2022 arXiv   pre-print
We present Vista, a communication system that makes software modifications to LoRa encoding onboard a CubeSat and decoding on commercial LoRa ground stations to allow for satellite imagery to be communicated  ...  This paper explores using LoRa radios in the ISM band for low-latency downlink communication from CubeSats, primarily due to the availability of extensive ground LoRa infrastructure and minimal interference  ...  Vista instead chooses a more automated approach that learns these patterns using a convolutional autoencoder.  ... 
arXiv:2206.10703v1 fatcat:c3uw5qwk3bg7fevju74cgfsczm

A Wearable Fall Detection System based on LoRa LPWAN Technology

Elma Zanaj, Deivis Disha, Susanna Spinsante, Ennio Gambi
2020 Journal of Communications Software and Systems  
They communicate the alarming events to a supervising system through the LoRa LPWAN technology, without the need of a portable gateway.  ...  Since many years, research activities have been targeted towards the development of technological solutions for the automatic detection and notification of falls.  ...  While in [65] , we introduced a system able to acquire LoRa packets and convert them into MQTT messages for building automation purposes. VII.  ... 
doi:10.24138/jcomss.v16i3.1039 fatcat:szv2wqttybbgfoe665zncrgsmy

Hybrid LoRa-IEEE 802.11s Opportunistic Mesh Networking for Flexible UAV Swarming

Luca Davoli, Emanuele Pagliari, Gianluigi Ferrari
2021 Drones  
When compared to ground communication systems for swarms of terrestrial vehicles, one of the main advantages of UAV-based communications is the presence of direct Line-of-Sight (LOS) links between flying  ...  In this paper, we propose a hybrid communication architecture for UAV swarms, leveraging heterogeneous radio mesh networking based on long-range communication protocols—such as LoRa and LoRaWAN—and IEEE  ...  LoRaWAN nodes and a remote ground station.  ... 
doi:10.3390/drones5020026 fatcat:f7n5fs5bnrbm5oj46o5pogydwa

Performance Evaluations of LoRa Wireless Communication in Building Environments

Ruobing Liang, Liang Zhao, Peng Wang
2020 Sensors  
Long-range (LoRa) technology provides a comprehensive wireless solution for data acquisition and communication in smart buildings through its superior performance, such as the long-range transmission,  ...  We deployed three LoRa receiver nodes on the same floor and eight LoRa receiver nodes on different floors in a 16-story building, respectively, where data acquisition terminal was located in the center  ...  [24] proposed a power distribution monitoring for suburban area by using the LoRa technology and estimated LoRa coverage by simulation tools.  ... 
doi:10.3390/s20143828 pmid:32660017 fatcat:ftwo67dnw5dxbhj4cukvjntbni

An IoT Architecture for Continuous Livestock Monitoring Using LoRa LPWAN

Lorenzo Germani, Vanni Mecarelli, Giuseppe Baruffa, Luca Rugini, Fabrizio Frescura
2019 Electronics  
Since the LoRa LPWAN (LoRaWAN) medium access control (MAC) layer does not provide a listen-before-talk (LBT) mechanism, we propose a custom MAC layer with LBT-based carrier-sense multiple access with collision  ...  The devised system has been implemented using off-the-shelf hardware, and its performance has also been estimated with the help of a C++ event-based simulator.  ...  Ipericon and A. and C. Taglioni for the logistic support. The authors also thank M. Malfagia and S. Pignani for providing some of the hardware used in the simulation and testing.  ... 
doi:10.3390/electronics8121435 fatcat:o5a6rcpagfhghniu52hoayr4i4

Grape Leaf Diseases Identification System Using Convolutional Neural Networks and LoRa Technology

Zinon Zinonos, Socratis Gkelios, Ala F. Khalifeh, Diofantos G. Hadjimitsis, Yiannis Boutalis, Savvas A. Chatzichristofis
2021 IEEE Access  
Long Range (LoRa) is one such protocol, which is excellent for transferring data over long distances but has generated severe doubts regarding the viability of image transmission due to its low data rate  ...  To achieve this objective, the framework utilizes a combination of on-site and simulation experiments along with different LoRa parameters and Convolutional Neural Model (CNN) model fine-tuning.  ...  In [11] , authors present an approach for a low-cost crop sensing that is based on temporal variations of the signal strength of low-power IoT radio communication.  ... 
doi:10.1109/access.2021.3138050 fatcat:a3qp27z5nfbpzftmowlkkdzmwa

Multi-Layered Energy Efficiency in LoRa-WAN Networks: A Tutorial

Imane Cheikh, Rachid Aouami, Essaid Sabir, Mohamed Sadik, Sebastien Roy
2022 IEEE Access  
This article provides a comprehensive tutorial on the LoRa standard, and surveys existing solutions, hot topics and future insights for building energy efficient IoT infrastructures and IoT devices.  ...  Low Power Wide Area Networks (LPWANs) define a class of wireless communication technologies seen as highly relevant for future IoT development given its long communication range, low-cost devices and interesting  ...  This work is a first step toward developing an automated mechanism for selecting LoRa transmission parameters.  ... 
doi:10.1109/access.2021.3140107 fatcat:vn3wdjxilzca7aocjojhermlve

A Survey on LoRa Networking: Research Problems, Current Solutions and Open Issues [article]

Jothi Prasanna Shanmuga Sundaram, Wan Du, Zhiwei Zhao
2019 arXiv   pre-print
This article provides a comprehensive survey on LoRa networks, including the technical challenges of deploying LoRa networks and recent solutions.  ...  Wireless networks have been widely deployed for many Internet-of-Things (IoT) applications, like smart cities and precision agriculture.  ...  Hence, a new automated link quality estimation system without requiring on-site measurements is developed by Demetri et al. [78] .  ... 
arXiv:1908.10195v1 fatcat:g4l7ybbxfvfjpjtcmjy3eil57q

Elderly monitoring system in a smart city environment using LoRa and MQTT

Abdelfetteh Lachtar, Thierry Val, Abdennaceur Kachouri
2019 IET Wireless Sensor Systems  
As part of the present work context, our focus of interest is laid on the LoRa network as constructed and targeted to maintain lowcost, low power and secure communication links between a connected walking  ...  With the rapid surge of M-Health and smart city systems, the need to accommodate sensors and actuators to achieve effective automation turns out to be imposed, for an efficient machine-to-machine communication  ...  For a high messaging reliability aspect to be maintained, three quality of services (QoS) levels turn out to be supported through the MQTT.  ... 
doi:10.1049/iet-wss.2019.0121 fatcat:dev4cdoh5fhcpa77ptb2bnntmq

Hybrid Architectural Network Implementation to Realize a Fire Evacuation Path with 2.4 GHz Zigbee and LoRa

Rajesh Singh, Gajanand S. Birajdar, Mamoon Rashid, Anita Gehlot, Shaik Vaseem Akram, Ahmed Saeed AlGhamdi, Sultan S. Alshamrani
2021 Sustainability  
The evaluation metrics of link budget and ToA of LoRa are also calculated by varying the code rate and spreading factor.  ...  In this study, we propose a hybrid architecture based on 2.4 GHz Zigbee and long-range (LoRa) for real-time fire detection, monitoring, and assisting in the safe evacuation of the building.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/su132313238 fatcat:fjo4b66bhzaczkgcmwnjansp3e

On the Use of LoRa Technology for Logic Selectivity in MV Distribution Networks

Leopoldo Angrisani, Francesco Bonavolontà, Annalisa Liccardo, Rosario Schiano Lo Moriello
2018 Energies  
In this paper, a logic selectivity system based on Long Range (LoRa) technology for the protection of medium-voltage (MV) networks is proposed.  ...  The development of relays that communicate with each other using LoRa allows for the combination of the cost-effectiveness and ease of installation of wireless networks with long-range coverage and reliability  ...  Massimo D'Apuzzo for his scientific contribution and his precious suggestions. The authors wish to thanks A. Smith, S.  ... 
doi:10.3390/en11113079 fatcat:lwawrlzdq5ghpewrpyuwawhcau
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