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Simultaneous Localization and Mapping (SLAM) achieves the purpose of simultaneous positioning and map construction based on self-perception. The paper makes an overview in SLAM including Lidar SLAM, visual SLAM, and their fusion. For Lidar…

Robotics · Computer Science 2020-02-17 Baichuan Huang , Jun Zhao , Jingbin Liu

The sixth-generation (6G) cellular technology will be deployed with a key feature of Integrated Sensing and Communication (ISAC), allowing the cellular network to map the environment through radar sensing on top of providing communication…

Signal Processing · Electrical Eng. & Systems 2025-04-01 Karthik Muthineni , Alexander Artemenko , Artjom Grudnitsky , Josep Vidal , Montse Najar

Localization is a key feature of future Sixth Generation (6G) net-works with foreseen accuracy requirements down to the millimeter level, to enable novel applications in the fields of telesurgery, high-precision manufacturing, and others.…

Signal Processing · Electrical Eng. & Systems 2025-11-25 Andrea Bedin , Joerg Widmer , Melanny Davila , Marco Canil , Rafael Ruiz

Channel models are a fundamental component of wireless communication systems, providing critical insights into the physics of radio wave propagation. As wireless systems evolve every decade, the development of accurate and standardized…

Information Theory · Computer Science 2025-07-30 Hitesh Poddar , Dimitri Gold , Daewon Lee , Nan Zhang , Gokul Sridharan , Henrik Asplund , Mansoor Shafi

Integrated Sensing and Communication (ISAC) design is crucial for 6G and harmonizes environmental data sensing with communication, emphasizing the need to understand and model these elements. This paper delves into dual-channel models for…

Signal Processing · Electrical Eng. & Systems 2025-07-17 Alejandro Castilla , Saúl Fenollosa , Monika Drozdowska , Alejandro Lopez-Escudero , Sergio Micò-Rosa , Narcis Cardona

To achieve high data rates defined in 5G, the use of millimeter-waves and massive-MIMO are indispensable. To benefit from these technologies, an accurate estimation of the channel parameters is crucial. We propose a novel two-stage…

Signal Processing · Electrical Eng. & Systems 2020-07-15 Fazal-E-Asim , Felix Antreich , Charles C. Cavalcante , André L. F. de Almeida , Josef A. Nossek

We propose passive channel charting, an extension of channel charting to passive target localization. As in conventional channel charting, we follow a dimensionality reduction approach to reconstruct a physically interpretable map of target…

Information Theory · Computer Science 2025-04-25 Florian Euchner , David Kellner , Phillip Stephan , Stephan ten Brink

Fingerprint-based passive localization enables high localization accuracy using low-cost UWB IoT radio sensors. However, fingerprinting demands extensive effort for data acquisition. The concept of channel charting reduces this effort by…

Signal Processing · Electrical Eng. & Systems 2025-05-16 Raffael Poeggel , Maximilian Stahlke , Jonas Pirkl , Jonathan Ott , George Yammine , Tobias Feigl , Christopher Mutschler

The ray-tracing is often employed in urban areas for channel modeling with high accuracy but encounters a substantial computational complexity for high mobility scenarios. In this paper, we propose a novel pre-processing method for dynamic…

Signal Processing · Electrical Eng. & Systems 2025-01-07 Songjiang Yang , Cheng-Xiang Wang , Yinghua Wang , Jie Huang , Yuyang Zhou , el-Hadi M. Aggoune

This paper tackles the challenge of wideband MIMO channel estimation within indoor millimeter-wave scenarios. Our proposed approach exploits the integrated sensing and communication paradigm, where sensing information aids in channel…

Signal Processing · Electrical Eng. & Systems 2023-09-27 Silvia Mura , Marouan Mizmizi , Umberto Spagnolini , Athina Petropulu

The growth of the number of connected devices and network densification is driving an increasing demand for radio network resources, particularly Radio Frequency (RF) spectrum. Given the dynamic and complex nature of contemporary wireless…

Signal Processing · Electrical Eng. & Systems 2025-08-05 Ljupcho Milosheski , Mihael Mohorčič , Carolina Fortuna

Indoor localization is getting increasing demands for various cutting-edged technologies, like Virtual/Augmented reality and smart home. Traditional model-based localization suffers from significant computational overhead, so fingerprint…

Signal Processing · Electrical Eng. & Systems 2023-09-26 Ruihao Yuan , Kaixuan Huang , Pan Yang , Shunqing Zhang

Radio Access Networks (RANs) for telecommunications represent large agglomerations of interconnected hardware consisting of hundreds of thousands of transmitting devices (cells). Such networks undergo frequent and often heterogeneous…

Machine Learning · Computer Science 2024-01-25 Igor Kozlov , Dmitriy Rivkin , Wei-Di Chang , Di Wu , Xue Liu , Gregory Dudek

Combining multiple sensors enables a robot to maximize its perceptual awareness of environments and enhance its robustness to external disturbance, crucial to robotic navigation. This paper proposes the FusionPortable benchmark, a complete…

Integrated Sensing and Communication (ISAC) is a promising technology in 6G systems. The existing 3D Geometry-Based Stochastic Model (GBSM), as standardized for 5G systems, addresses solely communication channels and lacks consideration of…

Signal Processing · Electrical Eng. & Systems 2023-10-26 Yameng Liu , Jianhua Zhang , Yuxiang Zhang , Huiwen Gong , Tao Jiang , Guangyi Liu

With the development of the sixth-generation (6G) communication system, Channel State Information (CSI) plays a crucial role in improving network performance. Traditional Channel Charting (CC) methods map high-dimensional CSI data to…

Signal Processing · Electrical Eng. & Systems 2026-02-03 Yuan Gao , Wenjing Xie , Yiming Liu , Bintao Hu , Jianbo Du , Shugong Xu

6G will likely be the first generation of mobile communication that will feature tight integration of localization and sensing with communication functionalities. Among several worldwide initiatives, the Hexa-X flagship project stands out…

Channel charting is an unsupervised learning task whose objective is to encode channels so that the obtained representation reflects the relative spatial locations of the corresponding users. It has many potential applications, ranging from…

Machine Learning · Computer Science 2021-09-01 Luc Le Magoarou

Future 6G networks will host massive numbers of embodied intelligent agents, which require real-time channel awareness over continuous-space for autonomous decision-making. By pre-obtaining location-specific channel state information (CSI),…

Signal Processing · Electrical Eng. & Systems 2026-04-02 Tianrun Qi , Cheng-Xiang Wang , Chen Huang , Junling Li , John S Thompson

Precise indoor localization is one of the key requirements for fifth Generation (5G) and beyond, concerning various wireless communication systems, whose applications span different vertical sectors. Although many highly accurate methods…

Signal Processing · Electrical Eng. & Systems 2021-01-27 Chenlu Xiang , Shunqing Zhang , Shugong Xu , George C. Alexandropoulos