1. Cisco. (2015). Global mobile data traffic forecast update, 2014–2019. White paper, Cisco Visual Networking Index (VNI) February.
http://www.cisco.com/c/en/us/solutions/collateral/service-provider/visual-networking-index-vni/white_paper_c11-520862.html
.
2. Frias, Z., & Perez, J. (2012). Techno-economic analysis of femtocell deployment in long-term evolution networks. EURASIP Journal on Wireless Communications and Networking, 2012(1), 288.
3. IEEE. (2013). Part 11: Wireless LAN medium access control (MAC) and physical layer (PHY) specifications, Amendment 4: Enhancements for very high throughput for operation in bands below 6 GHz (ieee std 802.11ac). Technical Report IEEE 802.11ac, IEEE Standards Association.
4. 3GPP. (2015). Feasibility on licensed-assisted access to unlicensed spectrum (release 13). Technical Report 3GPP TR 36.889 V0.3.1, 3rd Generation Partnership Project (3GPP) February.
http://www.3gpp.org/ftp/Specs/archive/36_series/36.889/36889-031.zip
.
5. LTE-U Forum. (2015). LTE-U SDL coexistence specifications. Specification v1.0, LTE-U Forum.
http://www.lteuforum.org/uploads/3/5/6/8/3568127/lte-u_forum_lte-u_sdl_coexistence_specifications_v1.0.pdf
.