6G Evolution: Architectural Framework for AI-Native Non-Terrestrial Networks (NTN) and 3D Integrated Connectivity
Author(s): Brijmani Kumar
Publication #: 2606011
Date of Publication: 15.05.2026
Country: United States
Pages: 1-5
Published In: Volume 12 Issue 3 May-2026
DOI: https://doi.org/10.62970/IJIRCT.v12.i3.2606011
Abstract
The standard 5G architecture was primarily optimized for terrestrial coverage, with NonTerrestrial Network (NTN) support added as a secondary extension. As the telecommunications industry pivots toward 6G (IMT-2030), the integration of Space-Air-Ground components must be "native" rather than "additive." This white paper presents a technical deep-dive into the core enablers for 6G NTN, specifically focusing on regenerative satellite payloads, delay-doppler domain processing via OTFS waveforms, and AI-driven proactive mobility management. We analyze the transition toward Very Low Earth Orbit (VLEO) constellations and provide empirical performance targets for latency, spectral efficiency, and link reliability in the 6G era.
Keywords: 6G, NTN, VLEO, OTFS Waveform, AI-Native RAN, SAGIN Architecture, Integrated Sensing and Communication (ISAC).
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