采用串联单边带调制方案和高光谱效率调制格式的全双工60GHz光纤无线链路。

Full duplex 60-GHz RoF link employing tandem single sideband modulation scheme and high spectral efficiency modulation format.

作者信息

Shih Po-Tsung, Lin Chun-Ting, Jiang Wen-Jr, Chen Yu-Hung, Chen Jason Jyehong, Chi Sien

机构信息

Department of Photonics and Institute of Electro-Optical Engineering, National Chiao-Tung University, Hsinchu, Taiwan 300, ROC.

出版信息

Opt Express. 2009 Oct 26;17(22):19501-8. doi: 10.1364/OE.17.019501.

DOI:10.1364/OE.17.019501

PMID:19997170

Abstract

This study proposes a full duplex 60-GHz band radio-over-fiber (RoF) link using a modified tandem single sideband (TSSB) modulation scheme with frequency doubling. Based on the modified TSSB modulation scheme, no dispersion induced fading is observed; high spectral efficiency vector signal can be utilized; and wavelength reuse can also be achieved. Both single carrier 8-QAM and QPSK-OFDM signals for down-link transmissions are experimentally demonstrated. After transmission of 50-km SSMF, no significant receiver power penalties are observed. Wavelength reuses with 1.25-Gb/s OOK using a reflective semiconductor optical amplifier (RSOA) for up-link transmission are also demonstrated. After transmission of 50-km SSMF, no significant receiver power penalties are also observed.

摘要

本研究提出了一种全双工60GHz频段光纤无线（RoF）链路，该链路采用了具有倍频功能的改进型串联单边带（TSSB）调制方案。基于改进型TSSB调制方案，未观察到色散引起的衰落；可以利用高频谱效率矢量信号；并且还能实现波长复用。实验证明了用于下行链路传输的单载波8-QAM和QPSK-OFDM信号。在50km标准单模光纤（SSMF）传输后，未观察到明显的接收功率代价。还展示了使用反射半导体光放大器（RSOA）进行上行链路传输、速率为1.25Gb/s的开关键控（OOK）信号的波长复用。在50km SSMF传输后，也未观察到明显的接收功率代价。