Novel Heuristics for Cell Radius Determination in WCDMA Systems and Their Application to Strategic Planning Studies. - Antonio Portilla-Figueras; Sancho Salcedo-Sanz; Klaus-Dieter Hackbarth; Francisco López-Ferreras; Guillermo Esteve-Asensio (EURASIP J. Wirel. Commun. Netw., 2009)