Title :
Design and Evaluation of Vertical Handoff Decision Algorithm in Heterogeneous Wireless Networks
Author :
Liu, Min ; Li, Zhong-Cheng ; Guo, Xiao-Bing ; Lac, Hong-Yon
Author_Institution :
Inst. of Comput. Technol., Chinese Acad. of Sci., Beijing
Abstract :
The next generation Internet is expected to consist of different wireless networks with diverse performance. Given the complementary characteristics of 3G and WLAN, the combination of 3G and WLAN can achieve anywhere, anytime Internet access and bring benefits to both end users and service providers. For this purpose, an efficient vertical handoff (VHO) algorithm is needed to make intelligent handoff decision. In this paper, we analyze the signal strength model of mobile host (MH) during VHO and present a new Motion Model-based RSS Estimation (MMRE) algorithm. MMRE can adapt to the change of MH´s velocity and improve handoff efficiency. We have evaluated MMRE´s feasibility and effectiveness in simulations and compared its performance with existing handoff decision algorithms.
Keywords :
3G mobile communication; Internet; mobile radio; wireless LAN; 3G network; MMRE algorithm; VHO algorithm; WLAN; heterogeneous wireless networks; intelligent handoff decision; mobile host; motion model-based RSS estimation; next generation Internet; received signal strength; vertical handoff decision; Algorithm design and analysis; Bandwidth; IP networks; Intelligent networks; Motion analysis; Motion estimation; Signal analysis; Web and internet services; Wireless LAN; Wireless networks;
Conference_Titel :
Networks, 2006. ICON '06. 14th IEEE International Conference on
Conference_Location :
Singapore
Print_ISBN :
0-7803-9746-0
DOI :
10.1109/ICON.2006.302663
