J. Sanchez Jordi Pérez-Romero Oriol Sallent Ramón Agustí Mixing conversational and interactive traffic in the UMTS radio access network. 597-601 2002 conf/mwcn/2002 MWCN http://dx.doi.org/10.1109/MWCN.2002.1045835 db/conf/mwcn/mwcn2002.html#SanchezPSA02