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Mobility Management for I-WLAN/GAN Integrated Networks

G. Vijayalakshmy, M. Vasanthakumar, G. Shivaradje Published in Wireless Communications

International Journal of Applied Information Systems
Year of Publication 2012
© 2010 by IJAIS Journal
10.5120/ijais12-450504
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  1. G Vijayalakshmy, M Vasanthakumar and G Shivaradje. Article: Mobility Management for I-WLAN/GAN Integrated Networks. International Journal of Applied Information Systems 3(4):13-19, July 2012. BibTeX

    @article{key:article,
    	author = "G. Vijayalakshmy and M. Vasanthakumar and G. Shivaradje",
    	title = "Article: Mobility Management for I-WLAN/GAN Integrated Networks",
    	journal = "International Journal of Applied Information Systems",
    	year = 2012,
    	volume = 3,
    	number = 4,
    	pages = "13-19",
    	month = "July",
    	note = "Published by Foundation of Computer Science, New York, USA"
    }
    

Abstract

Interworking mechanisms are essential to achieve universal access and seamless mobility in heterogeneous wireless networks. Heterogeneity is the coexistence of multiple and diverse wireless networks with their corresponding radio access technologies. In wireless network environment, heterogeneous network is always best connected which requires dynamic selection of the best network and access technologies when multiple options are available simultaneously. The proposed work is used to analyze the I-WLAN (Interworking Wireless Local Area Network) and GAN (Generic Access Network) for WLAN and cellular network integration. I-WLAN commonly referred to as loose coupling interworking and it is targeted to cover visited network service access and intersystem service access. The GAN also referred to as tight coupling interworking which extends cellular and packet services over IP broadband access networks. GAN provides visited network service access, intersystem continuity and seamless service continuity. The Mobile IP protocol along with SIP signaling protocol was implemented in GAN and I-WLAN networks and their uplink traffic, downlink traffic and delay parameters were obtained. The performance has been evaluated through simulation using OPNET Simulator.

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Keywords

WLAN, UMTS, GAN, I-WLAN, Integrated networks, SIP, IMS, MIP