Location-Dependent Network Discovery & Adaptive Handover Decision for Vertical Handover in Broadband Wireless Access Networks - Hyun S. Yoon; Jin Woo Kim; Sang H. Pack; Soon J. Park; Chung Gu Kang (Proceedings of the 2009 International Conference on Wireless Networks, ICWN 2009, July 13-16, 2009, Las Vegas Nevada, USA, 2 Volumes, 2009)