Rateless Codes on Noisy Channels

Abstract

We study the performance of the newly invented rateless codes (LTand Raptor codes) on noisy channels such as the BSC and the AWGN channel. We find that Raptor codes outperform LT codes, and have good performance on a wide variety of noisy channels. To be published in the Proceedings of the International Symposium on Information Theory, 2004. This work may not be copied or reproduced in whole or in part for any commercial purpose. Permission to copy in whole or in part without payment of fee is granted for nonprofit educational and research purposes provided that all such whole or partial copies include the following: a notice that such copying is by permission of Mitsubishi Electric Research Laboratories, Inc.; an acknowledgment of the authors and individual contributions to the work; and all applicable portions of the copyright notice. Copying, reproduction, or republishing for any other purpose shall require a license with payment of fee to Mitsubishi Electric Research Laboratories, Inc. All rights reserved. Copyright c ©Mitsubishi Electric Research Laboratories, Inc., 2004 201 Broadway, Cambridge, Massachusetts 02139 1. To be published in the Proceedings of the International Symposium on Information Theory, 2004. Please see TR2003-124 for a longer version. Rateless codes on noisy channels Ravi Palanki Department of Electrical Engineering California Institute of Technology Pasadena, CA 91125 USA. e-mail: ravi@systems.caltech.edu Jonathan S. Yedidia Mitsubishi Electric Research Laboratories 201 Broadway 8th floor Cambridge, MA 02139 USA. e-mail: yedidia@merl.com Abstract — We study the performance of two classes of rateless codes (LTand Raptor codes) on noisy channels such as the BSC and the AWGNC. We find that Raptor codes outperform LT codes, and have good performance on a wide variety of noisy channels. We study the performance of two classes of rateless codes (LTand Raptor codes) on noisy channels such as the BSC and the AWGNC. We find that Raptor codes outperform LT codes, and have good performance on a wide variety of noisy channels.

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@inproceedings{Palanki2004RatelessCO, title={Rateless Codes on Noisy Channels}, author={Ravi Palanki and Jonathan S. Yedidia}, year={2004} }