On reversible variable length codes with turbo codes, and iterative source-channel decoding

Motivated by the good performance of reversible variable length codes (RVLCs) and by their growing popularity in video coding standards, we consider RVLCs in combination with turbo codes. We discuss RVLC turbo coding relative to Huffman-turbo coding, and propose a new source-channel decoder that exploits the RVLC structure during the iterative decoding process. We show that the introduced method yields significantly better performance than other VLC-turbo decoding systems.