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Related papers: Deep Learning based OTDOA Positioning for NB-IoT C…

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Internet of Things (IoT) device localization is fundamental to smart home functionalities, including indoor navigation and tracking of individuals. Traditional localization relies on relative methods utilizing the positions of anchors…

Information Theory · Computer Science 2024-07-04 Yan Li , Jie Yang , Shang-Ling Shih , Wan-Ting Shih , Chao-Kai Wen , Shi Jin

Cyberattacks in an Internet of Things (IoT) environment can have significant impacts because of the interconnected nature of devices and systems. An attacker uses a network of compromised IoT devices in a botnet attack to carry out various…

Cryptography and Security · Computer Science 2025-02-11 A. Karthick kumar , S. Rathnamala , T. Vijayashanthi , M. Prabhananthakumar , Alavikunhu Panthakkan , Shadi Atalla , Wathiq Mansoor

Achieving significant performance gains both in terms of system throughput and massive connectivity, non-orthogonal multiple access (NOMA) has been considered as a very promising candidate for future wireless communications technologies. It…

Networking and Internet Architecture · Computer Science 2021-08-31 Zeyad Elsaraf , Faheem A. Khan , Qasim Zeeshan Ahmed

One of the main challenges in IoT is providing communication support to an increasing number of connected devices. In recent years, narrowband radio technology has emerged to address this situation: Narrowband Internet of Things (NB-IoT),…

Networking and Internet Architecture · Computer Science 2019-12-25 Emmanuel Luján , Juan A. Zuloaga Mellino , Alejandro D. Otero , Leonardo Rey Vega , Cecilia G. Galarza , Esteban E. Mocskos

Wireless positioning in Non-Line-of-Sight (NLoS) scenarios presents significant challenges due to multipath effects that lead to biased measurements and reduced positioning accuracy. This paper revisits electromagnetic field theory related…

Signal Processing · Electrical Eng. & Systems 2025-04-04 Gaurav Duggal , R. Michael Buehrer , Harpreet S. Dhillon , Jeffrey H. Reed

This paper studies the problem of massive Internet of things (IoT) access in beyond fifth generation (B5G) networks using non-orthogonal multiple access (NOMA) technique. The problem involves massive IoT devices grouping and power…

Networking and Internet Architecture · Computer Science 2022-02-01 Zoubeir Mlika , Soumaya Cherkaoui

Localization in 5G and 6G networks is essential for important use cases such as intelligent transportation, smart factories, and smart cities. Although deep learning has enabled improving localization accuracy, depending on the deployment…

Machine Learning · Computer Science 2026-05-07 Bac Trinh-Nguyen , Sara Berri , Sin G. Teo , Tram Truong-Huu , Arsenia Chorti

Internet of Things (IoT) sensor data or readings evince variations in timestamp range, sampling frequency, geographical location, unit of measurement, etc. Such presented sequence data heterogeneity makes it difficult for traditional time…

Time-of-arrival (TOA)-based localization in mixed line-of-sight (LOS) and non-line-of-sight (NLOS) environments is challenging because conventional Euclidean range models do not capture diffraction-dominated propagation. We show that the…

Signal Processing · Electrical Eng. & Systems 2026-04-30 Gaurav Duggal , Richard M. Buehrer , Harpreet S. Dhillon , Jeffrey H. Reed

In this paper, we propose a Meta-IoT system to achieve ubiquitous deployment and pervasive sensing for future Internet of Things (IoT). In such a system, sensors are composed of dedicated meta-materials whose frequency response of wireless…

Signal Processing · Electrical Eng. & Systems 2021-07-06 Xu Liu , Jingzhi Hu , Hongliang Zhang , Boya Di , Lingyang Song

Besides being part of the Internet of Things (IoT), drones can play a relevant role in it as enablers. The 3D mobility of UAVs can be exploited to improve node localization in IoT networks for, e.g., search and rescue or goods localization…

Signal Processing · Electrical Eng. & Systems 2020-04-09 Victor Delafontaine , Fabrizio Schiano , Giuseppe Cocco , Alexandru Rusu , Dario Floreano

We examine the usability of deep neural networks for multiple-input multiple-output (MIMO) user positioning solely based on the orthogonal frequency division multiplex (OFDM) complex channel coefficients. In contrast to other indoor…

Signal Processing · Electrical Eng. & Systems 2018-04-16 Maximilian Arnold , Sebastian Dörner , Sebastian Cammerer , Stephan ten Brink

Internet of Things (IoT) applications are increasingly reliant on indoor positioning systems to deliver precise and reliable navigation in GNSS-denied environments, including urban areas, smart warehouses, hospitals, and underground or…

Signal Processing · Electrical Eng. & Systems 2025-01-16 Ma'mon Saeed Alghananim , Yuxiang Feng , Washington Yotto Ochieng

Wireless indoor localization has attracted significant research interest due to its high accuracy, low cost, lightweight design, and low power consumption. Specifically, ultra-wideband (UWB) time difference of arrival (TDOA)-based…

Robotics · Computer Science 2026-02-19 Wenda Zhao , Abhishek Goudar , Mingliang Tang , Angela P. Schoellig

Machine learning finds rich applications in Internet of Things (IoT) networks such as information retrieval, traffic management, spectrum sensing, and signal authentication. While there is a surge of interest to understand the security…

Networking and Internet Architecture · Computer Science 2019-06-04 Yalin E. Sagduyu , Yi Shi , Tugba Erpek

The estimation of origin-destination (OD) matrices is a crucial aspect of Intelligent Transport Systems (ITS). It involves adjusting an initial OD matrix by regressing the current observations like traffic counts of road sections (e.g.,…

Artificial Intelligence · Computer Science 2023-10-10 Zheli Xiong , Defu Lian , Enhong Chen , Gang Chen , Xiaomin Cheng

WiFi technology has been used pervasively in fine-grained indoor localization, gesture recognition, and adaptive communication. Achieving better performance in these tasks generally boils down to differentiating Line-Of-Sight (LOS) from…

Robotics · Computer Science 2020-02-06 Sahib Singh Dhanjal , Maani Ghaffari , Ryan M. Eustice

Direction of arrival (DOA) estimation technology offers a promising solution to address the sensing and positioning demands of Internet of Things (IoT) devices. Optical resonant beam systems (RBS), owing to their inherent characteristics of…

Despite their high accuracy, UWB-based localization systems suffer inaccuracies when deployed in industrial locations with many obstacles due to multipath effects and non-line-of-sight (NLOS) conditions. In such environments, current error…

Signal Processing · Electrical Eng. & Systems 2025-07-08 Dieter Coppens , Adnan Shahid , Eli De Poorter

Current trends in autonomous vehicles and their applications indicates an increasing need in positioning at low battery and compute cost. Lidars provide accurate localization at the cost of high compute and power consumption which could be…

Signal Processing · Electrical Eng. & Systems 2020-08-11 Rakshit Ramesh , Aaron John-Sabu , Harshitha S , Siddarth Ramesh , Vishwas Navada B , Mukunth Arunachalam , Bharadwaj Amrutur