1. ITU-R P. 1411;Propagation data and prediction methods for the planning of short-range outdoor radio communication systems and radio local area networks in the frequency range of 300 MHz to 100 GHz,2021
2. ITU-R P.1238;Propagation data and prediction methods for the planning of indoor radiocommunication systems and radio local area networks in the frequency range 300 MHz to 450 GHz,2021
3. Draft working document towards a preliminary draft new Report ITU-R M.[IMT.ABOVE 100 GHz];Chapter 5 Annex 5 7 Document 5D/1078-E,2022
4. NTT DOCOMO, INC;5G Evolution and 6G White Paper,2021