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- W2384825519 abstract "Video streaming scheme in heterogeneous wireless networks has to consider a vertical handover in which the network bandwidth is varied drastically. TCP-friendly rate control scheme provides a congestion control function to support the requirements of video streaming application. When a vertical handover occurs, however, it does not guarantee the quality of video streaming service due to the bursty packet loss and the throughput degradation. In this paper, we propose a handover-aware rate adaptation scheme to guarantee the quality of video streaming service in heterogeneous wireless networks. The proposed scheme based on TCP-friendly rate control method appropriately adjusts the transmission rate of video stream to the network bandwidth varied with vertical handover. To expedite the response to the bandwidth variation, we also propose the vertical handover notification mechanism. Video streaming system based on our mechanism separately adjusts the sending rate of video by using media characteristics and by classifying the handover situation according to handover notification event. Through the simulation, we prove that our scheme guarantees the quality of video streaming by minimizing packet loss caused by vertical handovers and by quickly utilizing the available bandwidth of network after a vertical handover." @default.
- W2384825519 created "2016-06-24" @default.
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- W2384825519 date "2011-01-01" @default.
- W2384825519 modified "2023-09-27" @default.
- W2384825519 title "Rate Adaptation Scheme for Video Streaming Service in Vertical Handover Environments" @default.
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