Arno Thielens

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About

Arno Thielens is a leading researcher at the intersection of electromagnetics and wireless communications, with a core focus on massive MIMO systems for 5G and beyond. His work is instrumental in understanding how radio-frequency channels behave in real-world environments, particularly indoors. In his highly cited 2021 study, "Spatial Correlation in Indoor Massive MIMO: Measurements and Ray Tracing," Thielens investigates the spatial correlation properties of massive MIMO channels, examining how channel vectors correlate at the receive side over inter-receiver distances up to several wavelengths. This research is critical for optimizing antenna array design and signal processing in dense urban and indoor deployments. By combining rigorous measurements with advanced ray-tracing simulations, Thielens provides a foundational framework for predicting and mitigating correlation-induced performance losses. His contributions have direct implications for the reliability and capacity of next-generation wireless networks, earning him recognition as a key voice in the evolution of practical MIMO implementations. With over 6 citations on this single paper and a growing body of work, Thielens continues to shape how engineers design robust, high-efficiency communication systems for the connected world.