1. Essentials of Modern Spectrum Management
2. FCC Second Memorandum Opinion and Order In the matter of unlicensed operation in the TV broadcast bands; additional spectrum for unlicensed devices below 900 MHz and in the 3 GHz band; additional spectrum for unlicensed devices below 900 MHz and in the 3 GHz band 2010
3. Ofcom Consultation 2012 A consultation on white space devices requirements http://stakeholders.ofcom.org.uk/consultations/whitespaces
4. Ofcom Consultation 2013 TV white spaces: approach to coexistence http://stakeholders.ofcom.org.uk/consultations/white-space-coexistence