Q-Band MMW Transmission Enabled by Joint Probabilistic Shaping and Precoding With MZM-Based OCS Modulation

Hengxin Yan, Jiaohao Bi, Dong Guo, Xinying Li*, Xiaolong Pan*, Hongwu Ge, Wei Wu, Chao Yu, Xiangjun Xin, Qi Zhang, Ran Gao, Haipeng Yao, Ze Dong, Zhipei Li, Huan Chang, Sitong Zhou

*Corresponding author for this work

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Abstract

In this letter, we propose a novel and straightforward scheme for Q-band (33-50 GHz) millimeter-wave signal generation enabled by a Mach-Zehnder modulator (MZM)-based joint algorithm, which combines probabilistic shaping (PS) and precoding technology, to enhance the anti-interference ability of the transmission system. Based on the proposed scheme, we experimentally demonstrate the generation and transmission of 1.4-Gbaud 46-GHz PS-16-quadrature-amplitude-modulation (PS-16QAM) vector signals, showcasing improved bit-error-ratio (BER) in both standard single-mode fiber (SSMF) and wireless transmission cases. The proposed scheme exhibits a clear advantage in terms of nonlinear interference suppression and satisfies the hard-decision forward-error-correction (HD-FEC) threshold with a BER of 3.8 × 10-3 in radio-over-fiber (RoF) systems.

Original languageEnglish
Article number5501105
JournalIEEE Photonics Journal
Volume15
Issue number4
DOIs
Publication statusPublished - 1 Aug 2023

Keywords

  • Millimeter-wave (MMW)
  • precoding
  • probabilistic shaping (PS)
  • radio-over-fiber (RoF)

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Yan, H., Bi, J., Guo, D., Li, X., Pan, X., Ge, H., Wu, W., Yu, C., Xin, X., Zhang, Q., Gao, R., Yao, H., Dong, Z., Li, Z., Chang, H., & Zhou, S. (2023). Q-Band MMW Transmission Enabled by Joint Probabilistic Shaping and Precoding With MZM-Based OCS Modulation. IEEE Photonics Journal, 15(4), Article 5501105. https://doi.org/10.1109/JPHOT.2023.3269560