JaiSeung Kwak

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The access grid for collaborative environment exploits IP multicast. Although the IP multicast is quite a promising technology, it faces lots of challenges such as unreliable data transport and unstable network infrastructure. As a first step to achieve reliability and stability in IP multicast, it is essential to monitor and debug multicast networks. In(More)
This paper proposes a two-tier call admission control scheme for the efficient use of cellular/WLAN integrated resource. The proposed two-tier call admission control has two separated policies for 3 G cellular network and WLAN. Using the proposed call admission control, the call blocking probability and call dropping probability for voice and data calls are(More)
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