DocumentCode
3040661
Title
Quantization and quantization sensitivity of soft-output product codes for fast-speed applications
Author
Hu, Ruiyuan ; Jing Li ; Kurtas, Erozan
Author_Institution
Electr. & Comput. Eng. Dept., Lehigh Univ., Bethlehem, PA, USA
fYear
2004
fDate
26-27 Apr 2004
Firstpage
175
Lastpage
178
Abstract
This paper investigates two quantization schemes on three soft-output message-passing decoding algorithms for 2-dimensional product codes. Quantization sensitivity on code rates and channel conditions is also investigated. The surprising yet encouraging result is that a simple (3,1) uniform quantization scheme on the min-sum algorithm results in the best overall quality in terms of space, performance and complexity.
Keywords
channel coding; message passing; minimisation; product codes; quantisation (signal); (3,1) uniform quantization scheme; 2-dimensional product codes; channel conditions; code rates; complexity; fast-speed applications; min-sum algorithm; performance; quantization sensitivity; soft-output message-passing decoding; AWGN; Algorithm design and analysis; Iterative algorithms; Iterative decoding; Laboratories; Parity check codes; Product codes; Quantization; Sum product algorithm; Very large scale integration;
fLanguage
English
Publisher
ieee
Conference_Titel
Advances in Wired and Wireless Communication, 2004 IEEE/Sarnoff Symposium on
Print_ISBN
0-7803-8219-6
Type
conf
DOI
10.1109/SARNOF.2004.1302869
Filename
1302869
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