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Proposal of Heterogeneous Wireless Network with Handover in Application Layer: Feasibility Study Based on Field Trial Results
Suguru KAMEDA Hiroshi OGUMA Noboru IZUKA Fumihiro YAMAGATA Yasuyoshi ASANO Yoshiharu YAMAZAKI Shoichi TANIFUJI Noriharu SUEMATSU Tadashi TAKAGI Kazuo TSUBOUCHI
IEICE TRANSACTIONS on Communications
Publication Date: 2012/04/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Cognitive Radio and Heterogeneous Wireless Networks in Conjunction with Main Topics of CrownCom2011)
heterogeneous wireless networks, WLAN, MBWA, handover,
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This paper proposes a heterogeneous wireless network with handover in the application layer. The proposed network requires no upgrade of wireless infrastructure and mobile terminals to convert the present homogeneous networks to the proposed heterogeneous network. Only installing application programs on the content server side and the mobile terminal side is required. The performance of the proposed network has been evaluated in a field trial using a mobile broadband wireless access (MBWA) air interface with wide coverage and a wireless local area network (WLAN) air interface with high throughput. The field trial results show that the maximum value of the handover outage time is only 170 ms. The proposed heterogeneous wireless network is promising since both high throughput and wide coverage area are attained by a combination of the proposed handover scheme with the present homogeneous wireless networks.