Question

Turbo code is a

(a) Serial concatenation code

(b) Parallel concatenation code

(c) Block code

(d) None of the mentioned

I got this question in my homework.

I'd like to ask this question from Concatenated and Interleaving Codes and its Application in CD in section Channel Coding of Digital Communications

Answer 1

Right option is (b) Parallel concatenation code

For explanation I would say: Turbo codes implemented a parallel concatenation of two convolution codes with an inter leaver and an iterative decoder.