Correlating User Perception and Measurable Network Properties: Experimenting with QoE. - Pál Varga; Gergely Kún; Gábor Sey; István Moldován; Péter Gelencsér (IPOM, 2006)

Complex solution for VoLTE monitoring and cross-protocol data analysis. - Pál Varga; Tamas Tothfalusi; Zsolt Balog; Gábor Sey (NOMS, 2018)