In the early nineties, turbo codes and its new iterative decoding technique were

introduced, employing this new coding scheme and its decoding algorithm, it was

possible to achieve performance within a few tenths of a dB the Shannon limit for a

bit error rate of 10-5 [1]. This discovery not only had a major impact on the

telecommunications industry, but it also kicked off major research into the area of

channel maximizing coding schemes using iterative decoding now that they knew it was

possible to achieve.-In the early nineties, turbo codes and its new iterative decoding technique were

introduced, employing this new coding scheme and its decoding algorithm, it was

possible to achieve performance within a few tenths of a dB　the Shannon limit for a

bit error rate of 10-5 [1]. This discovery not only had a major impact on the

telecommunications industry, but it also kicked off major research into the area of

channel maximizing coding schemes using iterative decoding now that they knew it was

possible to achieve.