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The deployment of large-scale LoRaWAN networks requires jointly optimizing conflicting metrics like Packet Delivery Ratio (PDR) and Energy Efficiency (EE) by dynamically allocating transmission parameters, including Carrier Frequency,…

Networking and Internet Architecture · Computer Science 2025-09-17 Ruiqi Wang , Wenjun Li , Jing Ren , Tongyu Song , Xiong Wang , Sheng Wang , Shizhong Xu

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

LoRaWAN is nowadays one of the most popular protocols for low-power Internet-of-Things communications. Although its physical layer, namely LoRa, has been thoroughly studied in the literature, aspects related to the synchronization of LoRa…

Signal Processing · Electrical Eng. & Systems 2021-08-03 Mathieu Xhonneux , Orion Afisiadis , David Bol , Jérôme Louveaux

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

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 deployment of LoRa networks necessitates joint performance optimization, including packet delivery rate, energy efficiency, and throughput. Additionally, multiple LoRa parameters for packet transmission must be dynamically configured to…

Networking and Internet Architecture · Computer Science 2025-04-24 Ruiqi Wang , Tongyu Song , Jing Ren , Xiong Wang , Shizhong Xu , Sheng Wang

Low-rank Adaptation (LoRA) has gained popularity as a fine-tuning approach for Large Language Models (LLMs) due to its low resource requirements and good performance. While a plethora of work has investigated improving LoRA serving…

Machine Learning · Computer Science 2025-08-06 Minghao Yan , Zhuang Wang , Zhen Jia , Shivaram Venkataraman , Yida Wang

This paper proposes a novel preamble design and detection method for multiuser asynchronous massive MIMO LoRa networks. Unlike existing works, which only consider the preamble detection for a single target end devices (ED), we proposed to…

Signal Processing · Electrical Eng. & Systems 2025-12-22 The Khai Nguyen , Ebrahim Bedeer

Within the LPWAN framework, the LoRa modulation adopted by LoRaWAN technology has garnered significant interest as a connectivity solution for IoT applications due to its ability to offer low-cost, low-power, and long-range communications.…

Signal Processing · Electrical Eng. & Systems 2025-06-27 Jamil Farhat , Gianni Pasolini , Enrico Paolini , Muhammad Asad Ullah , Richard Demo Souza

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

In this paper we introduce a task-oriented communication design for split learning (SL) over a communication channel. Our approach involves the Expressive Neural Network (ENN), a novel neural network featuring adaptive activation functions…

Signal Processing · Electrical Eng. & Systems 2024-05-28 Marc Martinez-Gost , Ana Pérez-Neira , Miguel Ángel Lagunas

This paper investigates the design of chirp-layered superposition coding for LoRa, where an additional waveform is linearly superposed on a standard LoRa transmission with minimal impact on the LoRa demodulation process. We first show that…

Networking and Internet Architecture · Computer Science 2026-04-08 Jingxiang Huang , Samer Lahoud

With the rapid scaling of large language models (LLMs), serving numerous low-rank adaptations (LoRAs) concurrently has become increasingly impractical, leading to unaffordable costs and necessitating more parameter-efficient finetuning…

Machine Learning · Computer Science 2024-05-28 Sheng Wang , Boyang Xue , Jiacheng Ye , Jiyue Jiang , Liheng Chen , Lingpeng Kong , Chuan Wu

Appearing on the stage quite recently, the Low Power Wide Area Networks (LPWANs) are currently getting much of attention. In the current paper we study the susceptibility of one LPWAN technology, namely LoRaWAN, to the inter-network…

Networking and Internet Architecture · Computer Science 2017-04-17 Konstantin Mikhaylov , Juha Petajajarvi , Janne Janhunen

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

It is a challenging problem to reproduce rich spatial details while maintaining temporal consistency in real-world video super-resolution (Real-VSR), especially when we leverage pre-trained generative models such as stable diffusion (SD)…

Computer Vision and Pattern Recognition · Computer Science 2025-10-23 Yujing Sun , Lingchen Sun , Shuaizheng Liu , Rongyuan Wu , Zhengqiang Zhang , Lei Zhang

In this paper, we investigate the uplink transmission performance of low-power wide-area (LPWA) networks with regards to coexisting radio modules. We adopt long range (LoRa) radio technique as an example of the network of focus even though…

Information Theory · Computer Science 2019-06-03 Zhijin Qin , Yuanwei Liu , Geoffrey Ye Li , Julie A. McCann

LoRa is one of the most widely used low-power wide-area network technology for the Internet of Things. To achieve long-range communication with low power consumption at a low cost, LoRa uses a chirp spread spectrum modulation and transmits…

Signal Processing · Electrical Eng. & Systems 2026-04-10 Joachim Tapparel , Andreas Burg

Long-range low-power wireless communications, such as LoRa, are used in many IoT and environmental monitoring applications. They typically increase the communication range to several kilometers, at the cost of reducing the bitrate to a few…

Networking and Internet Architecture · Computer Science 2018-04-03 Nancy El Rachkidy , Alexandre Guitton , Megumi Kaneko

LoRaWAN is one of the most promising standards for IoT applications. Nevertheless, the high density of end-devices expected for each gateway, the absence of an effective synchronization scheme between gateway and end-devices, challenge the…

Networking and Internet Architecture · Computer Science 2018-09-17 Tommaso Polonelli , Davide Brunelli , Luca Benini