DocumentCode
1244088
Title
Box-minus operation and application in sum-product algorithm
Author
Tong, Shaocheng ; Wang, Peng ; Wang, Dongping ; Wang, Xiongfei
Author_Institution
State Key Lab of ISN, Xidian Univ., Xi´an, China
Volume
41
Issue
4
fYear
2005
Firstpage
197
Lastpage
198
Abstract
A new expression for box-minus operation, i.e. the inverse of box-plus operation, is derived, with which the box-minus operation can be implemented by a small look-up table. Its application in the sum-product algorithm is investigated.
Keywords
computational complexity; decoding; parity check codes; table lookup; LDPC codes; box-minus operation; computational complexity; decoding; lookup table; low density parity check codes; sum-product algorithm;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:20057447
Filename
1397407
Link To Document