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Comprehensive Study on CC-LDPC, BC-LDPC and Polar Code

Channel coding scheme is very crucial for the next sixth generation (6G) mobile communication. In this paper, we investigate the encoding and decoding methods of the state-of-the-art channel codes, which include the convolutional code LDPC (CC-LDPC), block code LDPC (BC-LDPC) and polar code to access the benefits from CC-LDPC. And then, we present comprehensive evaluation to compare their error performance, decoding complexity and latency. Our research shows that CC-LDPC has the advantages in terms of high reliability, low complexity and low latency. Finally, we propose some open research problems and solving ideas for CC-LDPC application in 6G communication.