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Proceedings Paper

Hardware implementation of a high-throughput 64-PPM serial concatenated turbo decoder
Author(s): Ryan Shoup
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Paper 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.

Paper Details

Date Published: 30 August 2006
PDF: 8 pages
Proc. SPIE 6311, Optical Information Systems IV, 63110S (30 August 2006); doi: 10.1117/12.682253
Show Author Affiliations
Ryan Shoup, MIT Lincoln Lab. (United States)


Published in SPIE Proceedings Vol. 6311:
Optical Information Systems IV
Bahram Javidi; Demetri Psaltis; H. John Caulfield, Editor(s)

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