5IEEE 802.16:Air interface for fixed broadbandwireless access systems, 2001
6IEEE 802.16a :Air interface for fixed broadband wireless access systems-amendment2: medium access control modification and additional physical lsayer specifications for 2-1 1 GHz, 2003
7IEEE802.16d:IEEE Standard for Local and Metropolitan Area Networks Part 16- Air Interface for Fixed Broadband Wireless Access Systems,June2004
8Kin K. Leung, Sayandev Mukherjee and George E.Rittenhouse,"Mobility Support for IEEE 802.16d Wireless Networks",IEEE Communications Society / WCNC 2005
