6 GHz in the 5G era [documento eletrónico] : global insights on 5925-7125 MHz / GSMA
Study on the use of the sub-700 MHz band (470-694 MHz) [documento eletrónico] / European Commission
Developments in spectrum management for communication services [documento eletrónico] / Alexia González Fanfalone and Lauren Crean
Spectrum wars : the rise of 5G and beyond / Jennifer A. Manner
A tutorial on frequency adaptive communication systems in the HF bands [documento eletrónico] / International Telecommunication Union