Research on the performance of 3D-CAP-256QAM signal with superposition

Yu Gu,Feng Tian,Tianze Wu,Jue Wang,Yutian Li,Bo Liu,Qi Zhang,Yongjun Wang

2023 21st International Conference on Optical Communications and Networks (ICOCN)（2023）

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摘要

In this paper, a novel 3D-CAP-256QAM scheme which composes of constellation overlay is proposed. The results show that the proposed circle-shaped constellation structure shows better BER performance compared with the other two constellation structures.

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关键词

three-dimensional carrierless amplitude/phase modulation (3-D CAP),superposed constellation,256QAM,bit error rate

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