Milosh V. Ivanovich Paul G. Fitzpatrick Michael Beresford Anthony Saliba An empirical 3-D user satisfaction model in wireless data networks. 1236-1240 2004 PIMRC https://doi.org/10.1109/PIMRC.2004.1373895 conf/pimrc/2004 db/conf/pimrc/pimrc2004.html#IvanovichFBS04