1. J. Zhang and J. Mark, “A local VLR cluster approach to location management for PCS networks”, WCNC. 1999 IEEE Wireless Communications and Networking Conference (Cat. No.99TH8466), 1999.
2. E. Clayirci and I. Akyildiz, “User mobility pattern scheme for location update and paging in wireless systems”, IEEE Transactions on Mobile Computing, vol. 1, no. 3, pp. 236–247, 2002.
3. I. Akyildiz, J. McNair, J. Ho, H. Uzunalioglu and Wenye Wang, “Mobility management in next-generation wireless systems”, Proceedings of the IEEE, vol. 87, no. 8, pp. 1347–1384, 1999.
4. M. Ilyas and I. Mahgoub, Mobile computing handbook. Boca Raton: Auerbach Publications, 2005.
5. H. Abdul-Kader, “Location Updating Strategies in Moving Object Databases”, IJCTE, pp. 65–70, 2009.