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Modern autonomous vehicles and robots utilize versatile sensors for localization and mapping. The fidelity of these maps is paramount, as an accurate environmental representation is a prerequisite for stable and precise localization. Factor…

Robotics · Computer Science 2026-02-10 Mark Griguletskii , Danil Belov , Pavel Osinenko

The coexistence between active wireless communications and passive RF spectrum use becomes an increasingly important requirement for coordinated spectrum access supporting critical services. The ongoing research and technological progress…

Signal Processing · Electrical Eng. & Systems 2023-10-10 Walaa Alqwider , Aly Sabri Abdalla , Vuk Marojevic

Due to the indoor none-line-of-sight (NLoS) propagation and multi-access interference (MAI), it is a great challenge to achieve centimeter-level positioning accuracy in indoor scenarios. However, the sixth generation (6G) wireless…

Signal Processing · Electrical Eng. & Systems 2022-08-23 Yang Wu , Yinghua Wang , Jie Huang , Cheng-Xiang Wang , Chen Huang

Network-based Global Navigation Satellite Systems (GNSS) underpin critical infrastructure and autonomous systems, yet typically rely on centralized processing hubs that limit scalability, resilience, and latency. Here we report a…

Signal Processing · Electrical Eng. & Systems 2025-12-24 Xue Xian Zheng , Xing Liu , Tareq Y. Al-Naffouri

Wireless communication systems can significantly benefit from the availability of spatially consistent representations of the wireless channel to efficiently perform a wide range of communication tasks. Towards this purpose, channel…

Signal Processing · Electrical Eng. & Systems 2025-08-13 Lorenzo Cazzella , Francesco Linsalata , Mahdi Maleki , Damiano Badini , Matteo Matteucci , Umberto Spagnolini

Terahertz (THz) communication is envisioned as one of the possible technologies for the sixth-generation (6G) communication system due to its rich spectrum. To evaluate the performance of THz communication, it is essential to propose THz…

Signal Processing · Electrical Eng. & Systems 2024-07-29 Zhaowei Chang , Jianhua Zhang , Pan Tang , Lei Tian , Hao Jiang , Ximan Liu , and Guangyi Liu

Channel charting (CC) is a self-supervised positioning technique whose main limitation is that the estimated positions lie in an arbitrary coordinate system that is not aligned with true spatial coordinates. In this work, we propose a novel…

Signal Processing · Electrical Eng. & Systems 2025-11-13 José Miguel Mateos-Ramos , Frederik Zumegen , Henk Wymeersch , Christian Häger , Christoph Studer

In this paper, a novel framework is proposed for channel charting (CC)-aided localization in millimeter wave networks. In particular, a convolutional autoencoder model is proposed to estimate the three-dimensional location of wireless user…

Networking and Internet Architecture · Computer Science 2021-08-19 Qianqian Zhang , Walid Saad

Fifth-generation (5G) networks are expected to provide high-precision positioning estimation utilizing mmWave signals in urban and downtown areas. In such areas, 5G base stations (BSs) will be densely deployed, allowing for line-of-sight…

Signal Processing · Electrical Eng. & Systems 2023-05-04 Sharief Saleh , Qamar Bader , Mohamed Elhabiby , Aboelmagd Noureldin

This white paper explores future localization and sensing opportunities for beyond 5G wireless communication systems by identifying key technology enablers and discussing their underlying challenges, implementation issues, and identifying…

We propose channel charting (CC), a novel framework in which a multi-antenna network element learns a chart of the radio geometry in its surrounding area. The channel chart captures the local spatial geometry of the area so that points that…

Information Theory · Computer Science 2018-08-23 Christoph Studer , Saïd Medjkouh , Emre Gönültaş , Tom Goldstein , Olav Tirkkonen

This paper considers multi-view imaging in a sixth-generation (6G) integrated sensing and communication network, which consists of a transmit base-station (BS), multiple receive BSs connected to a central processing unit (CPU), and multiple…

Signal Processing · Electrical Eng. & Systems 2025-11-19 Junyuan Gao , Weifeng Zhu , Yanmo Hu , Shuowen Zhang , Jiannong Cao , Yongpeng Wu , Giuseppe Caire , Liang Liu

The far-field channel model has historically been used in wireless communications due to the simplicity of mathematical modeling and convenience for algorithm design. With the need for high data rates, low latency, and ubiquitous…

Information Theory · Computer Science 2023-12-15 Hui Chen , Musa Furkan Keskin , Adham Sakhnini , Nicoló Decarli , Sofie Pollin , Davide Dardari , Henk Wymeersch

Sensor fusion is critical to perception systems for task domains such as autonomous driving and robotics. Recently, the Transformer integrated with CNN has demonstrated high performance in sensor fusion for various perception tasks. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Quoc-Vinh Lai-Dang , Jihui Lee , Bumgeun Park , Dongsoo Har

Radar and wireless communication are widely acknowledged as the two most successful applications of the radio technology over the past decades. Recently, there is a trend in both academia and industry to achieve integrated sensing and…

Signal Processing · Electrical Eng. & Systems 2022-06-02 Liang Liu , Shuowen Zhang , Rui Du , Tong Xiao Han , Shuguang Cui

Joint communication and sensing is expected to be one of the features introduced by the sixth-generation (6G) wireless systems. This will enable a huge variety of new applications, hence, it is important to find suitable approaches to…

Cryptography and Security · Computer Science 2023-10-24 Miroslav Mitev , Amitha Mayya , Arsenia Chorti

Semantic communication has emerged as a new paradigm to facilitate the performance of integrated sensing and communication systems in 6G. However, most of the existing works mainly focus on sensing data compression to reduce the subsequent…

Signal Processing · Electrical Eng. & Systems 2026-01-21 Haotian Wang , Dan Wang , Xiaodong Xu , Chuan Huang , Hao Chen , Nan Ma

This paper presents a terrestrial localization system based on 5G infrastructure as a viable alternative to GNSS, particularly in scenarios where GNSS signals are obstructed or unavailable. It discusses network planning aimed at enabling…

Channel extrapolation has attracted wide attention due to its potential to acquire channel state information (CSI) with high accuracy and minimal overhead. This is becoming increasingly crucial as the sixth-generation (6G) mobile networks…

Signal Processing · Electrical Eng. & Systems 2026-02-02 Yuan Gao , Zichen Lu , Yifan Wu , Yanliang Jin , Shunqing Zhang , Xiaoli Chu , Shugong Xu , Cheng-Xiang Wang

Sensor signals acquired in the industrial process contain rich information which can be analyzed to facilitate effective monitoring of the process, early detection of system anomalies, quick diagnosis of fault root causes, and intelligent…

Signal Processing · Electrical Eng. & Systems 2020-05-27 Feng Ye , Zhijie Xia , Min Dai , Zhisheng Zhang