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Sociedade Brasileira de Telecomunicações

Método para Atenuar a Degradação da Qualidade em Vídeo Streaming sobre IP


Video streaming over IP is one of the applications with highest growth rate. In many cases, the quality of service in access networks is limited, which tends to reduce the quality of video playback. In parallel, multihoming communication systems allow the use of several interfaces for transmission. The availability of more than one interface for Internet access is increasingly common, especially with technologies as WIFI and mobile networks. This paper introduces a method for video stre- aming using multihoming to send redundant packets to reduce the impact of network impairments in viewer’s perceived quality. The efficiency of the method is demonstrated from computer simulations with videos encoded with H.264. The results show a significant reduction in quality degradation with small cost of redundant transmission.

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Estatatísticas de Acesso

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