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Although current Wireless Mesh Network (WMN) applications experience a perceptually uninterrupted hand-off, their throughput after the hand-off event may be significantly degraded due to the low available bandwidth of the mobile client's new master. In this paper, the authors propose a novel mobility management scheme for 802.11-based WMNs that enable both seamless hand-off for transparent communication, and bandwidth awareness for stable application performance after the hand-off process. To facilitate this, they present a new buffer moment in support of the fast Layer-2 hand-off mechanism to cut the packet loss incurred in the hand-off process to zero and design a dynamic admission control to grant joining accepts to mesh clients.
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