Low Earth Orbit (LEO) satellite constellations are expected to play a key role in future 6G Non-Terrestrial Networks (NTNs), where dense deployments enable cooperative multi-satellite processing for communication and positioning. While existing works have addressed communication and localization objectives separately,...
Konstantinos Kapoglis, Sharief Saleh, Henk Wymeersch et al.· 0 citations
Many semantic localization tasks require determining a contextually meaningful region or state rather than minimizing the error of a full Cartesian position estimate. In such settings, aggregate localization accuracy need not align with the accuracy of the semantic decision. This paper develops a Cram\'er--Rao bound (C...
M. M. Mojahedian, Alireza Pourafzal, Musa Furkan Keskin et al.· 1 citation
Wireless digital twins (WDTs) are promising enablers for developing and evaluating AI-native radio access networks, yet constructing a high-fidelity WDT typically requires substantial manual effort to integrate heterogeneous information and infer unknown propagation-related parameters. This paper proposes Agentic WDT (...
Fan-Hao Lin, Kun-Liang Shih, Chu-Hsiang Huang et al.· 0 citations
This article develops a physics-informed deep learning framework for single-snapshot 3D phase-only positioning in narrowband phase-coherent distributed multiple-input multiple-output (D-MIMO) networks under two-ray propagation. Unlike prior phase-coherent D-MIMO localization methods that largely assume line-of-sight (L...
Fatih Ayten, O. Kaltiokallio, Jukka Talvitie et al.· 0 citations
This work investigates sensing privacy in full-duplex (FD) monostatic integrated sensing and communication (ISAC) systems with movable antennas (MAs). The proposed approach jointly optimizes beamforming and antenna trajectories to create a deceptive dummy DD-bin response at a passive sensing eavesdropper (Eve), while s...
Yasas Savinda, M. Mohammadi, Himal A. Suraweera et al.· 0 citations
We investigate the problem of data payload uncertainty (DPU) in bistatic integrated sensing and communication (ISAC) systems, which refers to imperfect knowledge of transmit data symbols at the sensing receiver. DPU may result from limited fronthaul capacity in base station (BS)-to-BS bistatic sensing or data demodulat...
Musa Furkan Keskin, Silvia Mura, Marouan Mizmizi et al.· 0 citations
Indoor bistatic WiFi sensing must often operate across rooms, where intervening walls block the direct line-of-sight (LOS) path between the transmitter (Tx) and receiver (Rx). Recovering a human trajectory from channel-state-information (CSI)-derived delay, angle-of-arrival (AoA), and Doppler estimates is difficult bec...
He-Ping Wang, Zhong-Qin Wang, Henk Wymeersch et al.· 0 citations
Dual-Orthogonality waveforms are multi-antenna signaling schemes that enforce mutual orthogonality across transmit channels and over a prescribed set of delay shifts. By relaxing strict time orthogonality to the physically admissible propagation region, they preserve full-band operation per transmit antenna while embed...
Edoardo Talignani, F. Linsalata, Musa Furkan Keskin et al.· 0 citations
Through the LO asymmetry between Alice and Eve, worsening LO quality at Alice can significantly enlarge sensing privacy gap in her favor, especially for nearby targets, with only a moderate reduction in data rate in noise-limited regimes.
Musa Furkan Keskin, Kawon Han, Henk Wymeersch et al.· 1 citation
Accurate multi-user localization is challenging in complex urban environments, where wireless measurements can become ambiguous under noise, blockage, and multipath, while visual observations provide complementary spatial context. This paper presents a vision-wireless fusion framework for multi-user localization using...
Can Zheng, Ji-Guang He, Guo-Fa Cai et al.· 0 citations
A downlink D-MIMO ISAC framework that allocates orthogonal subcarriers to sensing and communication to eliminate inter-function interference is proposed andumerical results show that the proposed orthogonal subcarrier allocation achieves a superior sensing-communication trade-off compared with conventional superpositio...
Sauradeep Dey, Musa Furkan Keskin, Dario Tagliaferri et al.· 0 citations
A unified framework for FM-based wireless localization that learns transferable channel representations from large-scale unlabeled channel state information and adapts to new environments with minimal or even no supervision is presented.
Guangjin Pan, Jia-Jia Guo, Zheng Xing et al.· 0 citations
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