摘要
We investigate and compare the performance of star-shaped 16-ary quadrature amplitude modulation (Star-16QAM) and square-shaped 16QAM (Square-16QAM) in the probabilistic shaping (PS) and uniform schemes with coherent detection. With the help of PS technology, the bit error ratio (BER) improvement achieved in the PS-Star-16QAM scheme is greater than that of the PS-Square-16QAM when compared with the uniform schemes in our numerical simulation and experiment. Therefore, the PS-Star-16QAM shows superiority over the PS-Square-16QAM in terms of the BER improvement.
| 源语言 | 英语 |
|---|---|
| 文章编号 | 7907408 |
| 期刊 | IEEE Photonics Journal |
| 卷 | 9 |
| 期 | 6 |
| DOI | |
| 出版状态 | 已出版 - 12月 2017 |
| 已对外发布 | 是 |
指纹
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