@mastersthesis{EURECOM+4559,
  author = {Sapountzis, Nikolaos and  Spyropoulos, Thrasyvoulos and  Nikaein, Navid and  Salim, Umer},
  title = {Optimal downlink-uplink user association in HetNets with traffic differentiation},
  year = {2015},
  note = {© EURECOM. Personal use of this material is permitted. The definitive version of this paper was published in Research Report RR-15-301 and is available at :},
}