Author

I. Nikolaidis

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Preprint Aug 2026

Ray-Traced Augmentation for Signal Strength Based Localization

Indoor localization based on Wi-Fi typically relies on extensive collection of real-world received signal strength (RSS) fingerprints, making deployment costly and time-consuming. We present a ray-tracing-based framework that reduces this reliance by generating synthetic RSS fingerprints from a building model. We first...

Jihoon Og, Ningze Sun, I. Nikolaidis et al. · 0 citations

Preprint Sep 2026

Efficient Co-simulator Integration with Application to Smart Grids

This work presents a co-simulation platform based on the Mosaik framework that integrates several federates including OpenDSS for power flow, a refined NS-3 for communication networks, and custom Python-based simulators for on-load tap changer control, distributed state estimation, and data collection.

Talha Ibn Aziz, Jihoon Og, I. Nikolaidis et al. · 0 citations

#machine learning Preprint Nov 2024

Off the Normal Path: Learning Spatial Density Models of Node Mobility

The results indicate that mixtures of M\"obius distributions provide interpretable, parsimonious models for the studied steady state density distributions, that match or outperform the alternatives.

Wanxin Gao, I. Nikolaidis, Janelle J. Harms · 2 citations