Hardware implementation of a high-throughput 64-PPM serial concatenated turbo decoder

Ryan Shoup

doi:10.1117/12.682253

30 August 2006 Hardware implementation of a high-throughput 64-PPM serial concatenated turbo decoder

Ryan Shoup

Proceedings Volume 6311, Optical Information Systems IV; 63110S (2006) https://doi.org/10.1117/12.682253
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

The hardware implementation of a high throughput Max Log Map Serial Concatenated Convolutional Code (SCCC) turbo decoder for an optical channel employing 64 Pulse Position Modulation (PPM) is described. The Max Log MAP turbo decoder is in contrast to a corresponding optimal log MAP turbo decoder. The Max log MAP decoder is the preferred turbo decoder for applications requiring high throughput. The performance of both the max log MAP decoder and log MAP decoder are compared to the theoretical performance values. Tradeoffs used in the implementation of the high throughput Max Log Map 64 PPM decoder are discussed.

Citation Download Citation

Ryan Shoup "Hardware implementation of a high-throughput 64-PPM serial concatenated turbo decoder", Proc. SPIE 6311, Optical Information Systems IV, 63110S (30 August 2006); https://doi.org/10.1117/12.682253

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