Abstract: QC-LDPC (Quasi Cyclic Low-Density Parity-Check) codes, as a regular block-based code, have been preva-lently adopted in communication and storage fields to ensure high reliability and ...
Sparse Code Multiple Access (SCMA) is a code-domain Non-Orthogonal Multiple Access (NOMA) technology proposed in 2013. Existing research on SCMA has primarily focused on codebook optimization and ...