Requirements on Satellite Access Node and User Equipment for Non-Terrestrial Networks in 5G New Radio of 3GPP Release-17. - Dorin Panaitopol; Yiran Jin; Runsen Tang; Changhwan Park (Int. J. Satell. Commun. Netw., 2023)

Uplink Time Synchronization for Non-Terrestrial Networks. - Liangping Ma; Changhwan Park; Xiaofeng Wang; Peter Gaal; Alberto Rico-Alvariño (IEEE Commun. Mag., 2023)