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High-Throughput Radix-4 logMAP Turbo Decoder Architecture

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2 Author(s)
Yuping Zhang ; Department of Electrical and Computer Engineering, University of Minnesota, 200 Union Street S.E. Minneapolis, MN 55455 U.S.A ; Keshab K. Parhi

Turbo codes are one of the most powerful error correcting codes. This paper presents a high-throughput radix-4 logMAP turbo decoder architecture based on the Lucent's radix-4 logMAP turbo decoder architecture. It increases the throughput by 76% as compared to a radix-2 logMAP turbo decoder. Compared with Lucent's radix-4 architecture, it increases the throughput by 32% with only a moderate increase in area.

Published in:

2006 Fortieth Asilomar Conference on Signals, Systems and Computers

Date of Conference:

Oct. 29 2006-Nov. 1 2006