Bo Feng, Lirong Jiang, Gang Feng, Shuang Qin, Yantao Guo. Network Coding Based Content Caching in Hierarchical Cloud Service Network for 5G. In 2016 IEEE Global Communications Conference, GLOBECOM 2016, Washington, DC, USA, December 4-8, 2016. pages 1-6, IEEE, 2016. [doi]