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Related papers: Exploiting Diffuse Multipath in 5G SLAM

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Challenging indoor and urban environments with severe multipath propagation and obstructed LoS (OLoS) degrade classical radio frequency (RF) positioning. Multipath-based simultaneous localization and mapping (MP-SLAM) is a promising remedy,…

Signal Processing · Electrical Eng. & Systems 2026-05-01 Benjamin J. B. Deutschmann , Klaus Witrisal , Erik Leitinger

Constrained environments, such as indoor and urban settings, present a significant challenge for accurate moving object positioning due to the diminished line-of-sight (LoS)communication with the wireless anchor used for positioning. The…

Signal Processing · Electrical Eng. & Systems 2024-03-04 Qamar Bader , Sharief Saleh , Mohamed Elhabiby , Aboelmagd Noureldin

Millimeter-wave (mmWave) signals provide attractive opportunities for sensing due to their inherent geometrical connections to physical propagation channels. Two common modalities used in mmWave sensing are monostatic and bistatic sensing,…

Signal Processing · Electrical Eng. & Systems 2023-08-29 Yu Ge , Hyowon Kim , Lennart Svensson , Henk Wymeersch , Sumei Sun

In this paper, we present a multipath-based simultaneous localization and mapping (SLAM) algorithm that continuously adapts mulitiple map feature (MF) models describing specularly reflected multipath components (MPCs) from flat surfaces and…

Signal Processing · Electrical Eng. & Systems 2024-03-18 Xuhong Li , Xuesong Cai , Erik Leitinger , Fredrik Tufvesson

Multipath-based simultaneous localization and mapping (SLAM) is an emerging paradigm for accurate indoor localization with limited resources. The goal of multipath-based SLAM is to detect and localize radio reflective surfaces to support…

Signal Processing · Electrical Eng. & Systems 2023-08-30 Erik Leitinger , Alexander Venus , Bryan Teague , Florian Meyer

Integrating sensing functions into future mobile equipment has become an important trend. Realizing different types of sensing and achieving mutual enhancement under the existing communication hardware architecture is a crucial challenge in…

Information Theory · Computer Science 2022-03-22 Jie Yang , Chao-Kai Wen , Shi Jin

Simultaneous localization and mapping (SLAM) provides user tracking and environmental mapping capabilities, enabling communication systems to gain situational awareness. Advanced communication networks with ultra-wideband, multiple…

Information Theory · Computer Science 2022-11-14 Jie Yang , Chao-Kai Wen , Xi Yang , Jing Xu , Tao Du , Shi Jin

Millimeter-wave (mm-wave) is a promising technique to enhance the network capacity and coverage of next-generation (5G) based on utilizing a great number of available spectrum resources in mobile communication. Improving the 5G network…

Accurate and ubiquitous localization is crucial for a variety of applications such as logistics, navigation, intelligent transport, monitoring, control, and also for the benefit of communications. Exploiting millimeter-wave (mmWave) signals…

Signal Processing · Electrical Eng. & Systems 2022-12-02 Mohammad A. Nazari , Gonzalo Seco-Granados , Pontus Johannisson , Henk Wymeersch

In this article, we address the timely topic of cellular bistatic simultaneous localization and mapping (SLAM) with specific focus on end-to-end processing solutions, from raw I/Q samples, via channel parameter estimation to user equipment…

Signal Processing · Electrical Eng. & Systems 2024-05-21 Elizaveta Rastorgueva-Foi , Ossi Kaltiokallio , Yu Ge , Matias Turunen , Jukka Talvitie , Bo Tan , Musa Furkan Keskin , Henk Wymeersch , Mikko Valkama

Simultaneous localization and mapping (SLAM) plays a critical role in integrated sensing and communication (ISAC) systems for sixth-generation (6G) millimeter-wave (mmWave) networks, enabling environmental awareness and precise user…

Information Theory · Computer Science 2025-07-09 Hang Que , Jie Yang , Tao Du , Shuqiang Xia , Chao-Kai Wen , Shi Jin

Multipath-based simultaneous localization and mapping (MP-SLAM) is a promising approach for future 6G networks to jointly estimate the positions of transmitters and receivers together with the propagation environment. In cooperative…

Signal Processing · Electrical Eng. & Systems 2026-01-28 Alexander Venus , Erik Leitinger , Klaus Witrisal

Millimeter wave signals with multiple transmit and receive antennas are considered as enabling technology for enhanced mobile broadband services in 5G systems. While this combination is mainly associated with achieving high data rates, it…

Information Theory · Computer Science 2018-08-03 Rico Mendrzik , Henk Wymeersch , Gerhard Bauch

Radio frequency (RF) signal-based localization using modern cellular networks has emerged as a promising solution to accurately locate objects in challenging environments. One of the most promising solutions for situations involving…

Signal Processing · Electrical Eng. & Systems 2026-04-17 Junshi Chen , Xuhong Li , Russ Whiton , Erik Leitinger , Fredrik Tufvesson

Millimeter wave (mmWave) bands have been utilized for the fifth generation (5G) communication systems and will no doubt continue to be deployed for beyond 5G (B5G). However, the underlying channels are not fully investigated at…

Signal Processing · Electrical Eng. & Systems 2020-07-29 Jie Huang , Cheng-Xiang Wang , Hengtai Chang , Jian Sun , Xiqi Gao

Angular dispersion is the effect of a multi-path propagation observed in received signals. An assessment of this phenomenon is particularly important from the viewpoint of emerging fifth generation (5G) communication systems. In these…

Information Theory · Computer Science 2025-03-25 Jan M. Kelner , Cezary Ziolkowski , Bogdan Uljasz

Millimeter-wave (mmWave) cloud radio access networks (CRANs) provide new opportunities for accurate cooperative localization, in which large bandwidths, large antenna arrays, and increased densities of base stations allow for their…

Information Theory · Computer Science 2019-08-13 Jie Yang , Shi Jin , Chao-Kai Wen , Jiajia Guo , Michail Matthaiou

Multipath-based simultaneous localization and mapping (MP-SLAM) is a well established approach to obtain position information of transmitters and receivers as well as information regarding the propagation environments in future multiple…

Signal Processing · Electrical Eng. & Systems 2024-04-25 Lukas Wielandner , Alexander Venus , Thomas Wilding , Klaus Witrisal , Erik Leitinger

The simultaneous localization and mapping (SLAM) problem is considered in three dimensions. The proposed algorithm, differential geometric SLAM (DG-SLAM), employs methods from differential geometry to propagate the state and map estimates.…

Robotics · Computer Science 2015-06-02 David Evan Zlotnik , James Richard Forbes

The increasing complexity of configuring cellular networks suggests that machine learning (ML) can effectively improve 5G technologies. Deep learning has proven successful in ML tasks such as speech processing and computational vision, with…

Signal Processing · Electrical Eng. & Systems 2021-06-11 Aldebaro Klautau , Pedro Batista , Nuria Gonzalez-Prelcic , Yuyang Wang , Robert W. Heath