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Exploring the Use of Control Packets in LoRa Medium Access: A Scalability Analysis

Rui Fernandes, Rui Oliveira, Miguel Luis, Susana Sargento
2020 2020 IEEE 21st International Symposium on "A World of Wireless, Mobile and Multimedia Networks" (WoWMoM)  
LoRa technology has been attesting itself as one of the most prominent and widely adopted low power wide area technologies.  ...  network performance, even if increasing the duty-cycle restriction time due to the addition of overhead.  ...  ACKNOWLEDGMENTS This work is supported by the European Regional Development Fund (FEDER), through the Regional Operational Programme of Lisbon (POR LISBOA 2020) and the Competitiveness and Internationalization  ... 
doi:10.1109/wowmom49955.2020.00016 dblp:conf/wowmom/FernandesOLS20 fatcat:rhaoekehxbex7f45m7eq2qwxja

Intelligent Resource Allocation in Dense LoRa Networks using Deep Reinforcement Learning [article]

Inaam Ilahi, Muhammad Usama, Muhammad Omer Farooq, Muhammad Umar Janjua, Junaid Qadir
2021 arXiv   pre-print
consumption hence increasing both the lifetime and capacity of the network.  ...  Most previous works focus on proposing different MAC protocols for improving the network capacity, i.e., LoRaWAN, delay before transmit etc.  ...  Performance Under Increasing Mobility As discussed in the introduction section, the real networks are a combination of mobile and non-mobile EDs.  ... 
arXiv:2012.11867v2 fatcat:anffhuqexfeppcw6coystiugca

Partial Symbol Recovery for Interference Resilience in Low-Power Wide Area Networks [article]

Kai Sun, Zhimeng Yin, Weiwei Chen, Shuai Wang, Zeyu Zhang, Tian He
2021 arXiv   pre-print
This enables PSR to only rely on clean LoRa chips for successfully recovering from communication failures.  ...  Recent years have witnessed the proliferation of Low-power Wide Area Networks (LPWANs) in the unlicensed band for various Internet-of-Things (IoT) applications.  ...  This series of experiments demonstrate the serious impacts of CTI on the LoRa communication reliability. III. SYSTEM OVERVIEW A.  ... 
arXiv:2109.03488v1 fatcat:kgrrcbdrz5aobpdakgugcxvezu

Energy-saving Measurement in LoRaWAN Based Wireless Sensor Networks by Using Compressed Sensing

Yuting Wu, Yigang He, Luqiang Shi
2020 IEEE Access  
By using the proposed method, not only the abnormal information can be detected on time, but also the overall network data can be recorded termly.  ...  Firstly, the basics and the limits of LoRaWAN are introduced and the feasibility and the considerations of LoRaWAN-based star wireless sensor network are discussed.  ...  But taking into account the impact of collision and latency, the distance between the gateway and the LoRa nodes must be close enough and the number of LoRa nodes should be limited in real-time cases  ... 
doi:10.1109/access.2020.2974879 fatcat:52qiq4ci4zhwfip24wgtmxpuhe

LoRaWAN Network for Fire Monitoring in Rural Environments

Sandra Sendra, Laura García, Jaime Lloret, Ignacio Bosch, Roberto Vega-Rodríguez
2020 Electronics  
This paper presents a low-cost network based on Long Range (LoRa) technology to autonomously evaluate the level of fire risk and the presence of a forest fire in rural areas.  ...  The assessment of the fire risk of an area and the communication of this fact to the population could reduce the number of fires originated by accident or due to the carelessness of the users.  ...  The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, or in the decision to publish the results.  ... 
doi:10.3390/electronics9030531 fatcat:i7gvn4ypejhfjmzxvi3wv6d6fe

When LoRaWAN Frames Collide

Andri Rahmadhani, Fernando Kuipers
2018 Proceedings of the 12th International Workshop on Wireless Network Testbeds, Experimental Evaluation & Characterization - WiNTECH '18  
LoRa, an abbreviation of Long Range, is a Low-Power Wide Area Network (LPWAN) radio technology that has quickly gained popularity as a communications means for the Internetof-Things (IoT).  ...  Contrary to previous research, we focus on correct reception of data at the application, instead of at the gateway, and we consider multi-gateway, multi-provider, and dense scenarios to obtain insight  ...  ACKNOWLEDGEMENT We thank Thomas Telkamp for having shared the E&A data with us.  ... 
doi:10.1145/3267204.3267212 dblp:conf/mobicom/RahmadhaniK18 fatcat:lu2eu6itzjawbcybkc2qny6nd4

Deriving and updating optimal transmission configurations for LoRa Networks

Ruben M. Sandoval, David Rodenas-Herraiz, Antonio-Javier Garcia-Sanchez, Joan Garcia-Haro
2020 IEEE Access  
This way we can limit the set of eligible transmission configurations to help extending LoRa network lifetimes more than 40%. INDEX TERMS LoRa, optimization, IoT, networking, LPWAN.  ...  To derive this C opt , one must know the radio-propagation behavior of each node beforehand.  ...  Thanks to the pseudo-orthogonal properties and versatility of the LoRa modulation [3] , collisions (which conform the main form of destructive interference) can be greatly reduced by carefully deriving  ... 
doi:10.1109/access.2020.2973252 fatcat:bypmy6x42nc4nmte4qmqmevpu4

Gateway Selection for Downlink Communication in LoRaWAN

Samira Abboud, Nancy el Rachkidy, Alexandre Guitton, Haidar Safa
2019 2019 IEEE Wireless Communications and Networking Conference (WCNC)  
LoRaWAN does not specify how to select the gateway. In this paper, we focus on the gateway selection for downlink communications in LoRaWAN in order to improve the throughput of the network.  ...  The Long Range Wide Area Network (LoRaWAN) standard was mainly developed to meet the requirements of many emerging Internet of Things (IoT) applications as it provides low power and low cost connectivity  ...  Afterwards, the throughput and the network capacity of LoRaWAN are analyzed and discussed based on the obtained results.  ... 
doi:10.1109/wcnc.2019.8885756 dblp:conf/wcnc/AbboudRGS19 fatcat:eylq7xr7zba5bkdltphzee24mu

Internet of Trees

2021 International Journal of Advanced Trends in Computer Science and Engineering  
This paper proposes a low-cost network based on NXP Rapid IOT kit and Long Range (Lora) technology to autonomously estimate the level of fire risk in the forest.  ...  fires extend beyond the destruction of the natural habitats.  ...  ACKNOWLEDGEMENT The authors are gratefully acknowledge the facilities and support provided by the director of the school of Electronics And Communication Engineering of REVA UNIVERSITY, We also extend  ... 
doi:10.30534/ijatcse/2021/411022021 fatcat:p5yisg45jzdqnnvg675oqphcpq

DeepAoANet: Learning Angle of Arrival from Software Defined Radios with Deep Neural Networks [article]

Zhuangzhuang Dai, Yuhang He, Tran Vu and Niki Trigoni and Andrew Markham
2021 arXiv   pre-print
We have implemented the inference engines on different platforms to extract AoAs in real-time, demonstrating the computational tractability of our approach.  ...  Direction finding and positioning systems based on RF signals are significantly impacted by multipath propagation, particularly in indoor environments.  ...  This acts to reduce the impact of low SNR through correlation over a window of samples.  ... 
arXiv:2112.00695v2 fatcat:lc5iope6wza2tcisc5qhrolfum

An Orthogonal Air Pollution Monitoring Method (OAPM) Based on LoRaWAN

Rahim Haiahem, Pascale Minet, Selma Boumerdassi, Leila Azouz Saidane
2020 Journal of Sensor and Actuator Networks  
However, a high number of end devices breaks the orthogonality of LoRaWAN transmissions, which was one of the main advantages of LoRaWAN. Hence, network performances are strongly impacted.  ...  One of the most appropriate wireless technologies expected to support high density deployment is LoRaWAN which belongs to the Low Power Wide Area Network (LPWAN) family and offers long communication range  ...  She also participated to the writing, review and editing of the paper. L.A.S. was in charge of the supervision. All authors have read and agreed to the published version of the manuscript.  ... 
doi:10.3390/jsan9030042 fatcat:z5v4p4hihjaqlcqe7mjpn75ynm

Software Defined Networking for Improved Wireless Sensor Network Management: A Survey

Musa Ndiaye, Gerhard Hancke, Adnan Abu-Mahfouz
2017 Sensors  
Wireless sensor networks (WSNs) are becoming increasingly popular with the advent of the Internet of things (IoT).  ...  The advantage with this SDN-based management in WSNs is that it enables centralized control of the entire WSN making it simpler to deploy network-wide management protocols and applications on demand.  ...  Author Contributions: All the authors have equally contributed to this article. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s17051031 pmid:28471390 pmcid:PMC5469636 fatcat:ncnwi72ifvgv3kp3jsj6yssdvy

Misbehavior Scenarios in Cognitive Radio Networks

Stamatios Arkoulis, Giannis F. Marias, Pantelis A. Frangoudis, Jens Oberender, Alexandru Popescu, Markus Fiedler, Hermann de Meer, George C. Polyzos
2010 Future Internet  
Recent advances in the fields of Cognitive Radio and the proliferation of open spectrum access promise that spectrum-agile wireless communication will be widespread in the near future, and will bring significant  ...  Thus, there is a need to secure spectrum sharing mechanisms against attacks in the various phases of the sharing process.  ...  The impact of such a combined spoofing attack would be greater than before, causing bigger problems inside an underlying DSA network.  ... 
doi:10.3390/fi2030212 fatcat:mvnhqlnnifdnvawlyjimeigtwm

D4.2 - Symbiote Middleware Implementation

Daniele Croce, Matteo Pardi, Konrad Leszczyński, Matteo Di Fraia, Pavle Skocir, Vasileios Glykantzis, Giuseppe Piro, Pietro Tedeschi, Mikolaj Dobski, Fabrizio Giuliano, Zvonimir Zelenika, Ilenia Tinnirello (+3 others)
2018 Zenodo  
It also reports on advanced wireless management in WiFi and LoRa networks, two popular technologies for our scenarios of interest.  ...  This deliverable presents the implementation of key features for the symbIoTe Smart Space Middleware (S3M), involving the two lower domains of symbIoTe Smart Space (SSP) and Smart Device (SDEV).  ...  In LoRa we study the impact of imperfect-orthogonality in LoRa spreading factors (SFs) in simulation and real-world experiments.  ... 
doi:10.5281/zenodo.1174162 fatcat:qlzqe2c33bbzdmto356xloafzy

Ultra-Dense LoRaWAN: Reviews and Challenges

Mohammed Alenezi, Kok Keong Chai, Yue Chen, Shihab Jimaa
2019 IET Communications  
Internet of Things (IoT) is one of the most cited terms within the communication research communities.  ...  Furthermore, it discusses the challenges in LoRaWAN and diverts the attention towards applying Ultra-Dense Network concept on LPWAN.  ...  [20] carried out analyses on the capacity and scalability of LoRa network.  ... 
doi:10.1049/iet-com.2018.6128 fatcat:ivei7lqw45clbabuuiypzzig2e
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