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LEO Satellite Access Network (LEO-SAN) Towards 6G: Challenges and Approaches – ArXiv

This paper aims at revealing the main technical issues that have not been fully addressed by the existing LEO-SAN designs, from three aspects namely random access, beam management and Doppler-resistant transmission technologies. Promising technologies to address these challenges are also discussed, respectively. Finally, the future research directions are envisioned.

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