789 citations · 4.2k across the 175 of their papers we have counts for
120 papers · 1 filter
Differential LEO Navigation under Asynchronous Satellite Clocks: Architecture and Performance Bounds
Qamar Bader, Sharief Saleh, Henk Wymeersch +2
Low Earth Orbit (LEO) communication satellites have emerged as a promising source of signals of opportunity for resilient positioning, navigation, and timing (PNT) in GNSS-challeng…
Multimodal Radio and Vision Fusion for Robust Localization in Urban V2I Communications
Can Zheng, Jiguang He, Chung G. Kang +2
Accurate localization is critical for vehicle-to-infrastructure (V2I) communication systems, especially in urban areas where GPS signals are often obstructed by tall buildings, lea…
Improving 3D Cellular Positioning Integrity with Bayesian RAIM
Liqin Ding, Gonzalo Seco-Granados, Hyowon Kim +4
Ensuring positioning integrity amid faulty measurements is crucial for safety-critical applications, making receiver autonomous integrity monitoring (RAIM) indispensable. This pape…
Towards Distributed and Intelligent Integrated Sensing and Communications for 6G Networks
Emilio Calvanese Strinati, George C. Alexandropoulos, Navid Amani +8
This paper introduces the distributed and intelligent integrated sensing and communications (DISAC) concept, a transformative approach for 6G wireless networks that extends the eme…
RIS Position and Orientation Estimation via Multi-Carrier Transmissions and Multiple Receivers
Reza Ghazalian, Hui Chen, George C. Alexandropoulos +3
Reconfigurable intelligent surfaces (RISs) are considered as an enabling technology for the upcoming sixth generation of wireless systems, exhibiting significant potential for radi…
V2X Sidelink Positioning in FR1: Scenarios, Algorithms, and Performance Evaluation
Yu Ge, Maximilian Stark, Musa Furkan Keskin +3
In this paper, we investigate sub-6 GHz V2X sidelink positioning scenarios in 5G vehicular networks through a comprehensive end-to-end methodology encompassing ray-tracing-based ch…
Semi-Supervised End-to-End Learning for Integrated Sensing and Communications
José Miguel Mateos-Ramos, Baptiste Chatelier, Christian Häger +3
Integrated sensing and communications (ISAC) is envisioned as one of the key enablers of next-generation wireless systems, offering improved hardware, spectral, and energy efficien…
6G Positioning and Sensing Through the Lens of Sustainability, Inclusiveness, and Trustworthiness
Henk Wymeersch, Hui Chen, Hao Guo +8
6G promises a paradigm shift by integrating positioning and sensing, enhancing not only the communication performance but also enabling location- and context-aware services. Histor…
Integrated Monostatic and Bistatic mmWave Sensing
Yu Ge, Hyowon Kim, Lennart Svensson +2
Millimeter-wave (mmWave) signals provide attractive opportunities for sensing due to their inherent geometrical connections to physical propagation channels. Two common modalities…
Model-Based End-to-End Learning for Multi-Target Integrated Sensing and Communication under Hardware Impairments
José Miguel Mateos-Ramos, Christian Häger, Musa Furkan Keskin +2
We study model-based end-to-end learning in the context of integrated sensing and communication (ISAC) under hardware impairments. Hardware impairments are usually addressed by mea…
Integrated Sensing and Communications with MIMO-OTFS
Musa Furkan Keskin, Carina Marcus, Olof Eriksson +3
Orthogonal time frequency space (OTFS) is a promising alternative to orthogonal frequency division multiplexing (OFDM) for high-mobility communications. We propose a novel multiple…
Fundamental Performance Bounds for Carrier Phase Positioning in Cellular Networks
Henk Wymeersch, Rouhollah Amiri, Gonzalo Seco-Granados
The carrier phase of cellular signals can be utilized for highly accurate positioning, with the potential for orders-of-magnitude performance improvements compared to standard time…
Impact of Phase Noise on Uplink Cell-Free Massive MIMO OFDM
Yibo Wu, Luca Sanguinetti, Ulf Gustavsson +2
Cell-Free massive MIMO networks provide huge power gains and resolve inter-cell interference by coherent processing over a massive number of distributed instead of co-located anten…
Zero Access Points 3D Cooperative Positioning via RIS and Sidelink Communications
Mustafa Ammous, Hui Chen, Henk Wymeersch +1
Reconfigurable intelligent surfaces (RISs) are expected to be a main component of future 6G networks, due to their capability to create a controllable wireless environment, and ach…
JrCUP: Joint RIS Calibration and User Positioning for 6G Wireless Systems
Pinjun Zheng, Hui Chen, Tarig Ballal +3
Reconfigurable intelligent surface (RIS)-assisted localization has attracted extensive attention as it can enable and enhance localization services in extreme scenarios. However, m…
Performance of RIS-Aided Nearfield Localization under Beams Approximation from Real Hardware Characterization
Moustafa Rahal, Benoit Denis, Kamran Keykhosravi +4
The technology of reconfigurable intelligent surfaces (RIS) has been showing promising potential in a variety of applications relying on Beyond-5G networks. Reconfigurable intellig…
Experimental Validation of Single BS 5G mmWave Positioning and Mapping for Intelligent Transport
Yu Ge, Hedieh Khosravi, Fan Jiang +10
Positioning with 5G signals generally requires connection to several base stations (BSs), which makes positioning more demanding in terms of infrastructure than communications. To…
Blind Channel Equalization Using Vector-Quantized Variational Autoencoders
Jinxiang Song, Vincent Lauinger, Yibo Wu +5
State-of-the-art high-spectral-efficiency communication systems employ high-order modulation formats coupled with high symbol rates to accommodate the ever-growing demand for data…
Uplink Joint Positioning and Synchronization in Cell-Free Deployments with Radio Stripes
Alessio Fascista, Benjamin J. B. Deutschmann, Musa Furkan Keskin +6
Radio stripes (RSs) is an emerging technology in beyond 5G and 6G wireless networks to support the deployment of cell-free architectures. In this paper, we investigate the potentia…
A Projective Geometric View for 6D Pose Estimation in mmWave MIMO Systems
Shengqiang Shen, Henk Wymeersch
Millimeter-wave (mmWave) systems in the 30--300 GHz bands are among the fundamental enabling technologies of 5G and beyond 5G, providing large bandwidths, not only for high data ra…
Multi-RIS-Enabled 3D Sidelink Positioning
Hui Chen, Pinjun Zheng, Musa Furkan Keskin +2
Positioning is expected to be a core function in intelligent transportation systems (ITSs) to support communication and location-based services, such as autonomous driving, traffic…
RIS-aided Localization under Pixel Failures
Cuneyd Ozturk, Musa Furkan Keskin, Vincenzo Sciancalepore +2
Reconfigurable intelligent surfaces (RISs) hold great potential as one of the key technological enablers for beyond-5G wireless networks, improving localization and communication p…
ESPRIT-Oriented Precoder Design for mmWave Channel Estimation
Musa Furkan Keskin, Alessio Fascista, Fan Jiang +3
We consider the problem of ESPRIT-oriented precoder design for beamspace angle-of-departure (AoD) estimation in downlink mmWave multiple-input single-output communications. Standar…
RISs and Sidelink Communications in Smart Cities: The Key to Seamless Localization and Sensing
Hui Chen, Hyowon Kim, Mustafa Ammous +4
A smart city involves, among other elements, intelligent transportation, crowd monitoring, and digital twins, each of which requires information exchange via wireless communication…