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Future mobile data networks will consist of several tiers, which overlap each other. We introduce two of the main technologies, GPRS network and IEEE 802.11 WLAN, which are likely to be widely deployed. We propose schemes to support mobility between these two networks. We also analyze the Mobile IP handoff between hybrid networks and propose our handoff scheme, which reduces handoff delay and packet loss, and prevents the ping-pong effect by utilizing a dwell timer and multi-tunnel technology.
Personal, Indoor and Mobile Radio Communications, 2002. The 13th IEEE International Symposium on (Volume:1 )
Date of Conference: 15-18 Sept. 2002