1. ITU, ICT Facts and Figures 2017 (2017).
2. Measuring the Local Impact of the TV;Thanki;WhiteSpace Broadband,2015
3. Cognitive Wireless Regional Area Network Standard;Mody,2015
4. FCC, Spectrum Policy Task Force Report, ET. Docket No. 02-135 (2011).
5. Long-term spectral occupancy findings in Chicago;Taher,2011