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2. Universal Mobile Telecommunications System Forum (2011) Mobile traffic forecasts 2010-2020 report, Rep. 44, Jan 2011
3. Radiocommunication Sector for International Telecommunication Union (2013) Future spectrum requirements estimate for terrestrial IMT, ITU-R, Geneva, Switzerland, Rep. ITU-R M.2290-0, Dec 2013
4. Shared Spectrum Company (2010) General survey of radio frequency bands—30 MHz to 3 GHz, Rep. no. 20100323, Sep 2010
5. Federal Communications Commission (2002) Spectrum policy task force, Rep. ET Docket no. 02-135, Nov 2002