NirvaWave: An Accurate and Efficient Near Field Wave Propagation Simulator for 6G and Beyond
Vahid Yazdnian, Atsutse Kludze, Yasaman Ghasempour

TL;DR
NirvaWave is a novel near-field wave propagation simulator for 6G and beyond that offers high accuracy and efficiency by leveraging scalar diffraction and Fourier principles, enabling large-scale wireless channel analysis.
Contribution
It introduces NirvaWave, a new near-field channel simulator that significantly reduces simulation time while maintaining accuracy, supporting complex wavefronts and interactions in wireless mediums.
Findings
NirvaWave achieves orders of magnitude faster simulations than traditional EM software.
It accurately models complex near-field wavefronts like Airy and Bessel beams.
The tool is open-source and suitable for large-scale wireless channel research.
Abstract
The extended near-field range in future mm-Wave and sub-THz wireless networks demands a precise and efficient near-field channel simulator for understanding and optimizing wireless communications in this less-explored regime. This paper presents NirvaWave, a novel near-field channel simulator, built on scalar diffraction theory and Fourier principles, to provide precise wave propagation response in complex wireless mediums under custom user-defined transmitted EM signals. NirvaWave offers an interface for investigating novel near-field wavefronts, e.g., Airy beams, Bessel beams, and the interaction of mmWave and sub-THz signals with obstructions, reflectors, and scatterers. The simulation run-time in NirvaWave is orders of magnitude lower than its EM software counterparts that directly solve Maxwell Equations. Hence, NirvaWave enables a user-friendly interface for large-scale channel…
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Taxonomy
TopicsMillimeter-Wave Propagation and Modeling · Advanced MIMO Systems Optimization · Antenna Design and Analysis
