Performance evaluation of VoIP over 3G-WLAN interworking system. - Rajadurai Rajavelsamy; Venkateswar Jeedigunta; Balaji Holur; Manoj Choudhary; Osok Song (WCNC, 2005)

A Novel Method for Authentication Optimization during Handover in Heterogeneous Wireless Networks. - Rajadurai Rajavelsamy; Venkateswar Jeedigunta; Osok Song (COMSWARE, 2007)