Adaptive FEC control for reliable high-speed UDP-Based media transport

Authors:
Young-Woo Kwon;Hyeyoung Chang;JongWon Kim
Affiliations:
Networked Media Lab., Department of Information and Communications, Gwangju Institute of Science and Technology (GIST), Gwangju, Korea;Digital Media R&D, Samsung Electronics Co., Ltd, Suwon, Korea;Networked Media Lab., Department of Information and Communications, Gwangju Institute of Science and Technology (GIST), Gwangju, Korea
Venue:
PCM'04 Proceedings of the 5th Pacific Rim Conference on Advances in Multimedia Information Processing - Volume Part II
Year:
2004

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Abstract

In this paper, we propose a reliable high-speed UDP-based media transport with an adaptive FEC (forward error correction) error control. The proposed adaptive transport scheme controls the amount of redundancy by monitoring the network so that it can effectively adapt to the fluctuations of underlying networks. The monitored feedbacks of the receiver enable the sender to aware of current reception status (i.e., rate/type of packet loss and delay change) and to estimate the expected network status. Based on this, the proposed media transport attempts to enable reliability by adaptively controlling the amount of both total sending rate and the FEC code ratio. Experiments with high-speed network have been conducted to verify the performance of the proposed transport that demonstrates the enhanced reliability at the speed of up to several hundred Mbps.