Shangxin Lin, Hua Shen, Zhili Lin, Lu Lin, Ze Dong
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Dynamic probabilistic shaping modulation based on fixed-to-fixed symbols projection constant composition distribution matching
A probabilistic shaping modulation (PSM) format based on fixed-to-fixed (f2f) symbols projection constant composition distribution matching (SP-CCDM) method is proposed. The proposed PSM is an eminent coding method since the optimized redundancy rate by SP-CCDM is smaller than the one with conventional CCDM method. The change of constellation diagram under representative signal noise ratio rationalizes the root to corrupted signals during the investigation of spectral efficiency. The f2f SP-CCDM method offers an effective way to purification of received signals.
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