collaborators

17 papers

eess.SP2026

On-Site Beam Calibration for RIS-Aided Positioning Systems

Mengting Li, Hui Chen, Sigurd S. Petersen +5

High precision positioning is a key enabler for next-generation communication applications such as smart transportation and augmented reality. Reconfigurable intelligent surface (R…

eess.SP2026

Gaussian Process-Based Extended Object Estimation for 6G ISAC at Millimeter-Wave Frequencies

M. Ertug Pihtili, Ossi Kaltiokallio, Julia Equi +4

This paper introduces a Gaussian process (GP)-based method for extended object estimation (EOE) in integrated sensing and communication (ISAC) scenarios, representing a promising a…

eess.SP2026

Exploiting Double-Bounce Paths in Snapshot Radio SLAM: Bounds, Algorithms and Experiments

Xi Zhang, Yu Ge, Ossi Kaltiokallio +3

Radio-based simultaneous localization and mapping (SLAM) has the potential to provide precise user equipment (UE) localization and environmental sensing capabilities by exploiting…

eess.SP2026

Phase-Only Positioning in Distributed MIMO Under Phase Impairments: AP Selection Using Deep Learning

Fatih Ayten, Musa Furkan Keskin, Akshay Jain +5

Carrier phase positioning (CPP) can enable cm-level accuracy in next-generation wireless systems, while recent literature shows that accuracy remains high using phase-only measurem…

eess.SP2026

Multi-band Carrier Phase Positioning toward 6G: Performance Bounds and Efficient Estimators

Ehsan Shourezari, Ossi Kaltiokallio, Mehmet C. Ilter +4

In addition to satellite systems, carrier phase positioning (CPP) is gaining attraction also in terrestrial mobile networks, particularly in 5G New Radio evolution toward 6G. One k…

eess.SP2025

POLO: Phase-Only Localization in Uplink Distributed MIMO Systems

Sauradeep Dey, Musa Furkan Keskin, Dario Tagliaferri +3

We propose a low-complexity localization framework for uplink distributed MIMO (D-MIMO) systems, targeting the challenge of minimizing the highly spiky maximum-likelihood (ML) cost…