3G Coverage (up to 2009), available at OECD Broadband Portal, http://www.oecd.org/document/36/0,3746,en_2649_33703_38690102_1_1_1_1,00.html.
 HSPA to LTE-Advanced, a whitepaper by RYSAV Research, available at 3G Americas, http://www.3gamericas.org/documents/3G_Americas_RysavyResearch_HSPA-LTE_Advanced_Sept2009.pdf.
 Recommendation ITU-R M.1645, “Framework and overall objectives of the future development of IMT-2000 and systems beyond IMT-2000”, http://www.itu.int/rec/R-REC-M.1645-0-200306-I/en.
 Global LTE Commitments, available at GSA Statistics, http://www.gsacom.com/news/statistics.php4.
 LTE Global Map, available at GSA Statistics http://www.gsacom.com/news/statistics.php4.
 WiMAX Forum, Industry Research Report, March 2011, http://www.wimaxforum.org/resources/research-archive.
 WiMAX Deployments, http://wimaxmaps.org/.
 Report ITU-R M.2134, “Requirements related to the technical performance for IMT-Advanced radio interface(s),” http://www.itu.int/pub/R-REP-M.2134-2008/en.
 3GPP Technical Report 36.913, “Requirements for further advancements for Evolved Universal Terrestial Radio Access (E-UTRA) (LTE-Advanced),” http://ftp.3gpp.org/specs/html-info/36913.htm.
 IEEE 802.16 Broadband Wireless Access Working Group, “IEEE 802.16m Requirements,” http://www.wirelessman.org/tgm/core.html#07_002.