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학술대회 Consideration of UMTS-WLAN Seamless Handover
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권혜연, 정광렬, 박애순, 류재철
IEEE International Symposium on Multimedia (ISM) 2005, pp.649-654
05MM1100, 4세대 이동통신 기술개발, 황승구
By mutual complemented reason of wide coverage and high data transmission, the integration and handover of 3G network and WLAN is regarded as an important function for 3G beyond (B3G) mobile communication systems. The seamless mobility is one of the basic requirements for handover between these heterogeneous networks. In this paper, we present a seamless handover mechanism for UMTS and WLAN within the framework of handover architecture, IP mobility and authentication mechanism. Firstly, we review the 3GPP-specific integration architecture of UMTS and WLAN, WLAN UE-initiated tunnel mechanism, IP mobility and authentication mechanisms of both networks. Then we propose the configuration of Mobile IPv6 based UMTS-WLAN overlay network and the security mechanism for reducing the handover delay. Lastly we show the operation of seamless handover in our proposed network model. © 2005 IEEE.
KSP 제안 키워드
Authentication Mechanisms, Data transmission, Handover delay, Handover mechanism, IP Mobility, Important function, Integration architecture, Mobile IPv6, Network model, Seamless Handover, Seamless mobility