1. Vertical handoffs in wireless overlay networks;Stemm;ACM Mobile Networking, (MONET), Special Issue on Mobile Networking in the Internet,1998
2. A seamless handoff for dual-interfaced mobile devices in hybrid wireless access networks;Inayat,2004
3. Challenges in migration to 4g mobile systems;Suk;IEEE Communications Magazine,2003
4. Chakravorty R., Vidales P., Patnapongpibul L., Subramanian K., Pratt I., Crowcroft J., On Inter-network Handover Performance using IPv6, http://www.cl.clam.ac.uk/users/rc277/handovers.pdf
5. An adaptive scheme for vertical handoffs in wireless overlay networks;Wen-Tsuen,2004