@conference{EURECOM+4660,
  author = {Sapountzis, Nikolaos and  Spyropoulos, Thrasyvoulos and  Nikaein, Navid and  Salim, Umer},
  title = {An analytical framework for optimal downlink-uplink user association in HetNets with traffic differentiation},
  booktitle = {GLOBECOM 2015, IEEE Global Communications Conference, Exhibitions and Industry Forum, December 6-10, 2015, San Diego, CA, USA},
  year = {2015},
  editor = {IEEE},
  address = {San Diego},
  note = {© 2015 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.},
}