 features require proper RAN dimensioning and design, which is addressed in Chapter 7. These and other factors are driving the RAN architecture evolution explained in this book. References 5GAmericas (2016). 5G Spectrum Recommendations. Bellevue, WA: 5GAmericas. ITU-R M.2083-0 (2015). IMT Vision - Framework and overall objectives of the future development of IMT for 2020 and beyond. ITU. ITU-R WP5D (2017). Spectrum needs for the terrestrial component of IMT in the frequency range between 24.25 GHz and 86 GHz, document TG5-1/36. ITU. ITU-R WP5D 5D/1215 (2019). Alliance for Telecommunications Industry Solutions, 3GPP final technology submission - overview of 3GPP 5G solutions for IMT-2020. ITU. ITU-R WP5D 5D/1216, Alliance for Telecommunications Industry Solutions, "3GPP 5G candidate for inclusion in IMT-2020: Submission 1 (SRIT)." ITU-R WP5D 5D/1216 (2019). Alliance for Telecommunications Industry Solutions, 3GPP 5G candidate for inclusion in IMT-2020: Submission 1 (SRIT). ITU. ITU-R WP5D 5D/1216 (2019). Alliance for Telecommunications Industry Solutions, 3GPP 5G candidate for inclusion in IMT-2020: Submission 2 for IMT-2020 (RIT). ITU ITU-R WP5D 5D/1230 (2019). European Telecommunications Standards Institute, Description template of SRIT candidate for inclusion in IMT-2020. ITU. ITU-R WP5D 5D/1233 (2019). Korea (Republic of), Final submission of a candidate technology of IMT-2020. ITU. ITU-R WP5D 5D/1238 (2019). Nufront (Beijing) Technology Co., Ltd, Submission of candidate IMT-2020 - radio interface technology (EUHT). ITU. ITU-R WP5D 5D/1238 (2019). TSDS India (TSDSI), Updated submission of the candidate IMT-2020 Technology. ITU. ITU-R WP5D 5D/1253 (2019). DECT Forum, Support of the IMT-2020 submission from ETSI. ITU-R WP5D 5D/1268 (2019). China (People's Republic of), Final submission of candidate IMT-2020 radio interface technology. ITU. Magma (n.d.). Magma https://github.com/facebookincubator/magma (accessed). NGMN (2015). 5G White Paper, 2015. NGMN. Recommendation, ITU-R M.2083 (2017). IMT Vision - Framework