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|Title:||Handoff protocol for bluetooth public access|
Radio Access Network
|Citation:||Proceedings of the IEEE International Conference on Personal Wireless Communications, New Delhi, India, 15-17 December 2002, 159-162|
|Abstract:||A major requirement for providing Internet connectivity to mobile handhelds is the wireless network access for handheld devices. As an alternative to the expensive 3G networks, which share 2 Mbps in several square kilometers, the use of short-range wireless technologies like Bluetooth, that shares 1 Mbps among just 7 users, has been proposed. This is much more economical, as it works in the unlicensed band and leverages the existing wired broadband infrastructure. In such a Bluetooth network, mobiles may frequently move out of the range of one access point into that of another, requiring seamless handoff. We discuss a new algorithm to support fast handoff at the wireless layer. Our method exploits the continuity of the user's path and existing connection information at the older access point to reduce the handoff delay. It interworks with IP micromobility protocols, such as Cellular IP, for managing other mobility related issues at layer 3. Simulations reveal that our proposed method reduces the handoff delay by more than an order of magnitude and significantly enhances bandwidth utilization.|
|Appears in Collections:||Proceedings papers|
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