activity
20132026
most citedBreathfinding: A Wireless Network that Monitors and Locates Breathing in a Home

143 citations · 170 across the 28 of their papers we have counts for

collaborators

32 papers

eess.SP2026

POPT: Physics-Informed Deep Learning for Phase-Only Positioning in Distributed MIMO

Fatih Ayten, Ossi Kaltiokallio, Jukka Talvitie +6

This article develops a physics-informed deep learning framework for single-snapshot 3D phase-only positioning in narrowband phase-coherent distributed multiple-input multiple-outp…

eess.SP2026

Ambient IoT Backscatter Devices as Passive Anchors for NLOS Cellular Positioning: Fundamental Limits

Hüseyin Yiğitler, Musa Furkan Keskin, Ossi Kaltiokallio +1

Ambient Internet-of-Things backscatter devices at known locations can act as low-cost passive anchors by creating geometrically anchored reflected paths in cellular networks. Unlik…

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…