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As an attempt to tackle the low-data-rate issue of the conventional LoRa systems, we propose two novel frequency-bin-index (FBI) LoRa schemes. In scheme I, the indices of starting frequency bins (SFBs) are utilized to carry the information…

Signal Processing · Electrical Eng. & Systems 2021-03-30 Huan Ma , Yi Fang , Guofa Cai , Guojun Han , Yonghui Li

Low Power Wide Area (LPWA) networks are making spectacular progress from design, standardisation, to commercialisation. At this time of fast-paced adoption, it is of utmost importance to analyse how well these technologies will scale as the…

Networking and Internet Architecture · Computer Science 2017-09-29 Orestis Georgiou , Usman Raza

LoRa is a widely adopted method of utilizing chirp spread spectrum (CSS) techniques at the physical (PHY) layer to facilitate low-power wide-area network (LPWAN) connectivity. By tailoring the spreading factors, LoRa can achieve a diverse…

Signal Processing · Electrical Eng. & Systems 2023-04-05 Ali Waqar Azim , Ahmad Bazzi , Raed Shubair , Marwa Chafii

LoRa is a modulation technology for low power wide area networks (LPWAN) with enormous potential in 5G era. However, the performance of LoRa system deteriorates seriously in fading-channel environments. To tackle this problem, in this paper…

Signal Processing · Electrical Eng. & Systems 2020-06-30 Huan Ma , Guofa Cai , Yi Fang , Pingping Chen , Guojun Han

LoRa is currently one of the most widely used low-power wide-area network (LPWAN) technologies. The physical layer leverages a chirp spread spectrum modulation to achieve long-range communication with low power consumption. Synchronization…

Signal Processing · Electrical Eng. & Systems 2025-05-06 Joachim Tapparel , Andreas Burg

The deployment of mobile LoRa gateways using low-cost single-channel hardware presents a significant challenge in maintaining reliable communication due to the lack of dynamic configuration support. In traditional LoRaWAN networks, Adaptive…

Networking and Internet Architecture · Computer Science 2025-07-29 W. A. Sasindu Wijesuriya

Low-Power Wide-Area Networks (LPWANs) are an emerging Internet-of-Things (IoT) paradigm marked by low-power and long-distance communication. Among them, LoRa is widely deployed for its unique characteristics and open-source technology. By…

Networking and Internet Architecture · Computer Science 2023-05-03 Jialuo Du , Yidong Ren , Mi Zhang , Yunhao Liu , Zhichao Cao

LoRa is one of the promising techniques for enabling Low Power Wide Area Networks (LPWANs) for future Internet-of-Things (IoT) devices. Although LoRa allows flexible adaptations of coverage and data rates, it is subject to intrinsic types…

Networking and Internet Architecture · Computer Science 2018-03-20 Antoine Waret , Megumi Kaneko , Alexandre Guitton , Nancy El Rachkidy

Low power wide area network technologies (LPWANs) are attracting attention because they fulfill the need for long range low power communication for the Internet of Things. LoRa is one of the proprietary LPWAN physical layer (PHY)…

Information Theory · Computer Science 2019-02-21 Reza Ghanaatian , Orion Afisiadis , Matthieu Cotting , Andreas Burg

LoRaWAN is a low-power long-range protocol that enables reliable and robust communication. This paper addresses the challenge of predicting the spreading factor (SF) in LoRaWAN networks using machine learning (ML) techniques. Optimal SF…

Machine Learning · Computer Science 2025-03-13 Aman Prakash , Nikumani Choudhury , Anakhi Hazarika , Alekhya Gorrela

Long-range (LoRa) technology is most widely used for enabling low-power wide area networks (WANs) on unlicensed frequency bands. Despite its modest data rates, it provides extensive coverage for low-power devices, making it an ideal…

Networking and Internet Architecture · Computer Science 2023-05-17 Mohammed Jouhari , Nasir Saeed , Mohamed-Slim Alouini , El Mehdi Amhoud

The LoRa physical layer is one of the most promising Low Power Wide-Area Network (LPWAN) technologies for future Internet of Things (IoT) applications. It provides a flexible adaptation of coverage and data rate by allocating different…

Networking and Internet Architecture · Computer Science 2019-04-26 Licia Amichi , Megumi Kaneko , Ellen Hidemi Fukuda , Nancy El Rachkidy , Alexandre Guitton

The scale of wireless technologies penetration in our daily lives, primarily triggered by the Internet-of-things (IoT)-based smart cities, is beaconing the possibilities of novel localization and tracking techniques. Recently, low-power…

Signal Processing · Electrical Eng. & Systems 2020-06-03 Mahnoor Anjum , Muhammad Abdullah Khan , Syed Ali Hassan , Aamir Mahmood , Hassaan Khaliq Qureshi , Mikael Gidlund

Low-power wide-area network (LPWAN) technologies are gaining momentum for internet-of-things (IoT) applications since they promise wide coverage to a massive number of battery-operated devices using grant-free medium access. LoRaWAN, with…

Information Theory · Computer Science 2018-08-07 Aamir Mahmood , Emiliano Sisinni , Lakshmikanth Guntupalli , Raúl Rondón , Syed Ali Hassan , Mikael Gidlund

Bandwidth constraints limit LoRa implementations. Contemporary IoT applications require higher throughput than that provided by LoRa. This work introduces a LoRa Multiple Input Multiple Output (MIMO) system and a spatial multiplexing…

Computers and Society · Computer Science 2025-06-10 Atonu Ghosh , Sharath Chandan , Sudip Misra

This paper advocates a fluid antenna system (FAS)-assisted long-range communication (LoRa-FAS) for Internet-of-Things (IoT) applications. \textcolor{blue}{In the proposed system, FAS provides spatial diversity gains for LoRa, eliminating…

Signal Processing · Electrical Eng. & Systems 2025-07-08 Gaoze Mu , Yanzhao Hou , Kai-Kit Wong , Mingjie Chen , Qimei Cui , Xiaofeng Tao , Ping Zhang

Long Range (LoRa) is a modem technology for wireless communication in the Internet of Things (IoT), which trades off low data-rate for low power consumption. Long Range Wide Area Network (LoRaWAN) has an open specification that determines…

Networking and Internet Architecture · Computer Science 2018-12-05 Yifan Du

LoRa is a chirp spread-spectrum modulation developed for the Internet of Things. In this work, we examine the performance of LoRa in the presence of both additive white Gaussian noise and interference from another LoRa user. To this end, we…

Signal Processing · Electrical Eng. & Systems 2019-12-04 Orion Afisiadis , Matthieu Cotting , Andreas Burg , Alexios Balatsoukas-Stimming

Long Range (LoRa) has become a key enabler technology for low power wide area networks. However, due to its ALOHA-based medium access scheme, LoRa has to cope with collisions that limit the capacity and network scalability. Collisions…

Signal Processing · Electrical Eng. & Systems 2022-04-15 Qiaohan Zhang , Ivo Bizon , Atul Kumar , Ana Belen Martinez , Marwa Chafii , Gerhard Fettweis

Long Range (LoRa) has become one of the most popular Low Power Wide Area (LPWA) technologies, which provides a desirable trade-off among communication range, battery life, and deployment cost. In LoRa networks, several transmission…

Signal Processing · Electrical Eng. & Systems 2019-02-13 Qihao Zhou , Jinyu Xing , Lu Hou , Rongtao Xu , Kan Zheng
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