A light weight dynamic rate control scheme for video transmission over IP network

Authors:
Imran Bashir;Kamesh R. Namuduri;Ravi Pendse
Affiliations:
Department of Electrical and Computer Engineering, Wichita State University, 1845 Fairmount Avenue, Kansas, KS;Department of Electrical and Computer Engineering, Wichita State University, 1845 Fairmount Avenue, Kansas, KS;Department of Electrical and Computer Engineering, Wichita State University, 1845 Fairmount Avenue, Kansas, KS
Venue:
Pattern Recognition Letters - Video computing
Year:
2004

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Abstract

This paper proposes a lightweight dynamic rate control strategy for improving the quality of video transmitted over the internet. The proposed scheme includes a feedback mechanism from the receiver to the sender with periodic updates of packet drops. This information is used by the sender to estimate the congestion present in the network and to adjust the transmission rate to avoid further bottlenecks. A mathematical model that relates the three parameters: data rate, congestion present in the network and packet drops has been developed. Experiments were performed on a network consisting of several network elements to validate the model. Results indicate that the proposed dynamic control strategy improves the quality of video over IP networks.