1. Cisco, “Cisco VNI Global Mobile Data Traffic Forecast 2014–2019,” Online at
http://www.cisco.com/c/en/us/solutions/collateral/service-provider/visual-networking-index-vni/white_paper_c11-520862.html
2. Checko A et al (2015) "Cloud RAN for Mobile Networks - A Technology Overview,” IEEE Comm. Surveys and Tutorials, Vol. 17, No. 1, First Quarter
3. Rost P et al (2014) Cloud Technologies for Flexible 5G radio access networks. IEEE Comm Mag 52(5):68–76
4. CPRI, “Common Public Radio Interface (CPRI): Interface Specification,” version 6.1, July 2014. Online at
http://www.cpri.info
5. OBSAI, “Reference Point 3 Specification,” version 4.2. Online at
http://www.obsai.com