Error control for video multicast using hierarchical FEC
Wai-Tian Tan
Zakhor, A.
Dept. of Electr. Eng. & Comput. Sci., California Univ., Berkeley, CA;
This paper appears in: Image Processing, 1999. ICIP 99. Proceedings. 1999 International Conference on
Publication Date: 1999
Volume: 1,
On page(s): 401-405 vol.1
Meeting Date: 10/24/1999 - 10/28/1999
Location: Kobe, Japan
ISBN: 0-7803-5467-2
References Cited: 11
INSPEC Accession Number: 6503920
Digital Object Identifier: 10.1109/ICIP.1999.821639
Current Version Published: 2002-08-06
Abstract
Bit-rate scalable video compression with layered multicast has
been shown to be an effective method to achieve rate control in
heterogeneous networks. We further propose the use of hierarchical FEC
as an error control mechanism that allows receivers to individually
trade-off latency for received video quality. The scheme is efficient
since FEC packets are used to protect only the more important data
layers and is multicast only to receivers that need them, thereby
improving network utilization. Furthermore, there is no loss in error
correcting capability by using hierarchical FEC when maximum distance
separable codes are used. Actual MBONE experiments are performed to
evaluate the performance of the proposed scheme
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