A hierarchical cellular system with reneging and dropping for waiting new and handoff calls. - Cooper Chang; Chung-Ju Chang; Kuen-Rong Lo (PIMRC, 1997)

A combined channel assignment mechanism for hierarchical cellular systems. - Kuen-Rong Lo; Chung-Ju Chang; Cooper Chang; C. Bernard Shung (Comput. Commun., 1998)

A QoS-guaranteed fuzzy channel allocation controller for hierarchical cellular systems. - Kuen-Rong Lo; Chung-Ju Chang; Cooper Chang; C. Bernard Shung (IEEE Trans. Veh. Technol., 2000)