Impacts of Packet Scheduling and Packet Loss Distribution on FEC Performances: Observations and Recommendations

Christoph Neumann; Vincent Roca; Aurelien Francillon; David Furodet

inria-00000146, version 1

Impacts of Packet Scheduling and Packet Loss Distribution on FEC Performances: Observations and Recommendations

Christoph Neumann () ¹, Vincent Roca () ¹, Aurelien Francillon () ¹, David Furodet ²

N° INRIA Research Report RR-5578, May 2005 (2005)

Résumé : Forward Error Correction (FEC) is commonly used for content broadcasting. The performance of the FEC codes largely vary, depending in particular on the object size and on the number of parity packets produced, and these parameters have already been studied in detail by the community. However the FEC performances are also largely dependent on the packet scheduling used during transmission and on the loss pattern introduced by the channel. Therefore this work analyzes their impacts on three FEC codes: LDGM Staircase, LDGM Triangle, two large block FEC codes, and Reed-Solomon. Thanks to this analysis, we define several recommendations on how to best use these codes, depending on the test case and on the channel, which turns out to be of utmost importance.

1 : PLANETE (INRIA Sophia Antipolis / INRIA Grenoble Rhône-Alpes)
INRIA
2 : ST Microelectronics (ST MICROELECTRONICS)
STMicrelectronics

inria-00000146, version 1
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Contributeur : Vincent Roca <>
Soumis le : Jeudi 7 Juillet 2005, 08:52:51
Dernière modification le : Mardi 30 Septembre 2008, 11:36:34

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