Title :
Nonuniform quantisation of mid-variables for decoding of turbo codes
Author :
Sun, Rong ; Wang, Xin-Mei ; Li, Ping
Author_Institution :
Nat. Key Lab. of ISN, Xidian Univ., Xi´´an, China
fDate :
8/3/2000 12:00:00 AM
Abstract :
Nonuniform quantisation of mid-variables such as the forward and backward recursion metrics for the MAP turbo code decoding algorithm is studied. It is shown that the performance of nonuniform mid-variable quantisation is much better than that of uniform quantisation
Keywords :
maximum likelihood decoding; quantisation (signal); turbo codes; MAP decoding algorithm; nonuniform mid-variable quantisation; recursion metric; turbo code;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20000993
