Abstract

AbstractThis paper presents a seamless multimedia service in WLAN. In this paper, the environment of WLAN for seamless video service consists of a switching agent (SA), some access points (AP) and mobile nodes (MNs). The SA supports handover mechanism for MNs when they move one AP to another, and retransmits video streams from video server to the requesting AP. The proposed handover mechanism needs additional 2-byte as IP header which is used for an identification number (ID#) of AP that the MNs are joined. The SA changes the path of successive video streams using the ID# generated when the MN moves to a specific AP. The proposed system can support seamless video service without cutoff and reconnection to video server according to the handover.KeywordsHand overMultimediaSwitching agentWLANVOD

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