Title :
Simple method to increase the minimum weight of turbo codes
Author :
Weidang, Z. ; Peng, W. ; Lee, M.H. ; Xinmei, W.
Author_Institution :
State Key Lab of ISN, Xidian Univ., Xi´´an, China
Abstract :
A method to increase the minimum free distance of a turbo code is presented by excluding the codewords with minimum and/or sub-minimum weight from the code set. This method needs almost no change in the original encoding and decoding schemes and the improvement is noticeable.
Keywords :
decoding; error statistics; turbo codes; BER curves; codewords; decoding; encoding; minimum free distance; minimum weight; sub minimum weight; turbo codes;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20040115