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We describe the roaming service with mobile IP between public WLAN and cdma2000 1x design, and show the implementation in SK Telecom cellular network. In terms of network configuration, the coverage of public WLAN network is overlapped with that of cellular network. In this configuration, mobile terminal will decide the access system among the available systems. We propose the roaming method based on measuring the power of WLAN signal in heterogeneous network environments, and implement it. In order to confirm the effectiveness of our roaming method, we apply our proposed solution to both seamless roaming service and VOD streaming service.
Communications, 2004 and the 5th International Symposium on Multi-Dimensional Mobile Communications Proceedings. The 2004 Joint Conference of the 10th Asia-Pacific Conference on (Volume:2 )
Date of Conference: 29 Aug.-1 Sept. 2004