English
Related papers

Related papers: A Novel Spreading-Factor-Index-Aided LoRa Scheme: …

200 papers

LoRaWAN is a compelling low-cost solution for large-scale indoor Internet of Things (IoT) data backhaul, owing to its strong penetration capability and low power consumption. However, its default pure ALOHA access mechanism leads to severe…

Signal Processing · Electrical Eng. & Systems 2026-05-25 Junxiao Liu , Xinyu Fan , Luping Xiang , Kun Yang

An important modulation technique for Internet of Things (IoT) is the one proposed by the LoRa allianceTM. In this paper we analyze the M-ary LoRa modulation in the time and frequency domains. First, we provide the signal description in the…

Networking and Internet Architecture · Computer Science 2019-06-12 Marco Chiani , Ahmed Elzanaty

Long range wide area networks (LoRaWAN) technology provides a simple solution to enable low-cost services for low power internet-of-things (IoT) networks in various applications. The current evaluation of LoRaWAN networks relies on…

Networking and Internet Architecture · Computer Science 2020-09-22 Furqan Hameed Khan , Raja Jurdak , Marius Portmann

WiFi-based device localization is a key enabling technology for smart applications, which has attracted numerous research studies in the past decade. Most of the existing approaches rely on Line-of-Sight (LoS) signals to work, while a…

Emerging Technologies · Computer Science 2025-04-10 Yimiao Sun , Yuan He , Jiacheng Zhang , Xin Na , Yande Chen , Weiguo Wang , Xiuzhen Guo

The recent advancement of the Internet of Things (IoT) enables the possibility of data collection from diverse environments using IoT devices. However, despite the rapid advancement of low-power communication technologies, the deployment of…

Spread spectrum, widely employed in modern digital wireless terrestrial radio systems, chooses a signal with a noise-like character and much higher bandwidth than necessary. This paper advocates spread spectrum modulation for interstellar…

Instrumentation and Methods for Astrophysics · Physics 2013-07-30 David G. Messerschmitt

Deploying large Transformer-based vision models on resource-limited mobile devices at network edge is severely constrained by hardware limitations and dynamic wireless environments. While federated learning (FL) enables collaborative…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-27 Xianke Qiang , Zheng Chang , Geyong Min

Many large-scale distributed multi-agent systems exchange information over low-power communication networks. In particular, agents intermittently communicate state and control signals in robotic network applications, often with limited…

Signal Processing · Electrical Eng. & Systems 2023-09-11 Tarun Rao Keshabhoina , Marcos M. Vasconcelos

With the rapid advancement of large language models (LLMs), safeguarding intellectual property (IP) has become increasingly critical. To address the challenges of high costs and potential contamination in fingerprint integration, we propose…

Cryptography and Security · Computer Science 2025-09-03 Zhenhua Xu , Zhaokun Yan , Binhan Xu , Xin Tong , Haitao Xu , Yourong Chen , Meng Han

The use of fingerprinting localization techniques in outdoor IoT settings has started to gain popularity over the recent years. Communication signals of Low Power Wide Area Networks (LPWAN), such as LoRaWAN, are used to estimate the…

Machine Learning · Computer Science 2020-11-10 Grigorios G. Anagnostopoulos , Alexandros Kalousis

This paper presents an analytical framework for evaluating the coverage performance of the fluid antenna system (FAS)-enhanced LoRa wide-area networks (LoRaWANs). We investigate the effects of large-scale pathloss in LoRaWAN, small-scale…

Signal Processing · Electrical Eng. & Systems 2026-04-21 Gaoze Mu , Yanzhao Hou , Mingjie Chen , Yuanyu Hu , Yongan Zheng , Qimei Cui , Xiaofeng Tao

Fine-grained radio map presents communication parameters of interest, e.g., received signal strength, at every point across a large geographical region. It can be leveraged to improve the efficiency of spectrum utilization for a large area,…

Signal Processing · Electrical Eng. & Systems 2025-07-09 Zhiyuan Liu , Shuhang Zhang , Qingyu Liu , Hongliang Zhang , Lingyang Song

We consider the problem of learning an $\varepsilon$-optimal policy in controlled dynamical systems with low-rank latent structure. For this problem, we present LoRa-PI (Low-Rank Policy Iteration), a model-free learning algorithm…

Machine Learning · Computer Science 2024-11-12 Stefan Stojanovic , Yassir Jedra , Alexandre Proutiere

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

LoRA has become a widely adopted method for PEFT, and its initialization methods have attracted increasing attention. However, existing methods have notable limitations: many methods do not incorporate target-domain data, while…

Machine Learning · Computer Science 2026-04-09 Qingyue Zhang , Chang Chu , Tianren Peng , Qi Li , Xiangyang Luo , Zhihao Jiang , Shao-Lun Huang

We present a stochastic geometry-based model to investigate alternative medium access choices for LoRaWAN---a widely adopted low-power wide-area networking (LPWAN) technology for the Internet-of-things (IoT). LoRaWAN adoption is driven by…

Information Theory · Computer Science 2020-02-26 Luca Beltramelli , Aamir Mahmood , Patrik Österberg , Mikael Gidlund

Low power long-range networks like LoRa have become increasingly mainstream for Internet of Things deployments. Given the versatility of applications that these protocols enable, they support many data rates and bandwidths. Yet, for a given…

Networking and Internet Architecture · Computer Science 2021-09-14 Zerina Kapetanovic , Deepak Vasisht , Tusher Chakraborty , Joshua R. Smith , Ranveer Chandra

Static noise maps depicting long-term noise levels over wide areas are valuable urban planning assets for municipalities in decreasing noise exposure of residents. However, non-traffic noise sources with transient behavior, which people…

Artificial Intelligence · Computer Science 2024-08-01 H. Emre Erdem , Henry Leung

Future wireless communications systems are expected to support multi-service operation, i.e. especially multi-rate as well as multi-level quality of service (QoS) requirements. This evolution is mainly driven by the success of the Internet…

Signal Processing · Electrical Eng. & Systems 2018-01-15 Michael Karrenbauer , Andreas Weinand , Hans D. Schotten

Satellite Internet of Things (Sat-IoT) is a novel framework in which satellites integrate sensing, communication and computing capabilities to carry out task-oriented communications. In this paper we propose to use the Long Range (LoRa)…

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