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Dynamic GOP Structure Selection to Support QoS in Vertical Handoff

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quality of service

Overview This paper proposes a dynamic GOP structure selection method to provide seamless video streaming for vertical handoff in the heterogeneous wireless network. The proposed method dynamically changes the interval of I-pictures by using the Received Signal Strength Indication (RSSI) and the pilot strength (Ec/Io) in order to reduce error propagation due to packet losses. Thus, with the proposed method, the client can always receive the I-picture right after vertical handoff. Experimental results show that the proposed method can significantly reduce the video quality degradation caused by vertical handoff in the real-time video encoding applications.

Further White Paper Details
Publisher	Institute of Electrical and Electronics Engineers	File Format	PDF
Date Published	June 2005
Format	White Papers
Topics	Quality of Service, Streaming Media, Multimedia

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