1. [1] E. Dahlman, S. Parkvall, and J. Sköld, 5G NR — The Next-Generation Wireless Access Technology, 2nd ed., Elsevier, 2020.
2. [2] 5G Americas White Paper “3GPP releases 16 & 17 and beyond,” Jan. 2021.
3. [3] 3GPP RP-191575, “NR-based access to unlicensed spectrum.”
4. [4] H.-J. Kwon, J. Jeon, A. Bhorkar, Q. Ye, H. Harada, Y. Jiang, L. Liu, S. Nagata, B.L. Ng, T. Novlan, J. Oh, and W. Yi, “Licensed-assisted access to unlicensed spectrum in LTE release 13,” IEEE Commun. Mag., vol.55, no.2, pp.201-207, Feb. 2017. 10.1109/mcom.2016.1500698cm
5. [5] 3GPP RP-191558, “Integrated access and backhaul.”