1. http://www.3gpp.org/.
2. Guidelines for LTE backhaul traffic estimation;Robson,2011
3. “Cisco visual networking index: global mobile data traffic forecast update, 2014-2019”, Whitepaper by Cisco, (2015).
4. https://www.alcatel-lucent.com/solutions/mobile-backhaul.
5. 3GPP TR36.932, “Scenarios and requirements for small cell enhancements for E-UTRA and E-UTRAN”, (2013).