Title	New Authentication Mechanism for Vertical Handovers between IEEE 802.16e and 3G Wireless Networks
Author	Pyung-Soo Kim, Yong-Jin Kim
Citation	Vol. 6  No. 9  pp. 138-143
Keywords	Authentication, Vertical handover, IEEE 802.16e, 3G.

Title	Spectral Efficiency Evaluation of Downlink Mobile Multi-hop Relay Systems Employing Macro Diversity Handover Technique
Author	Jamil Sultan, M. Ismail, N. Misran, K. Jumari
Citation	Vol. 8  No. 5  pp. 122-129
Keywords	Handover, Spectral Efficiency, Multi-hop relay, IEEE 802.16e, IEEE 802.16j