提高毫米波波分复用光纤无线电频谱效率的波长交织技术

C. Lim, A. Nirmalathas, D. Novak, R. Tucker, R. Waterhouse
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引用次数: 9

摘要

为了提高毫米波波分复用光纤无线电系统的光谱效率,提出了一种新的波长交织方案,并通过实验和仿真验证了该方案的可行性。该技术采用波长交错结合OSSB+C调制。采用光纤光栅和光环行器实现了波长交错光加丢复用器,并通过在20 km光纤链路上传输36 GHz频率155mb /s BPSK信号的三个交错WDM信道验证了该技术的可行性。容量分析表明,在考虑了整体系统性能和设备限制后,波长交错技术将最大信道数增加了近75%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Wavelength-interleaving technique to improve optical spectral efficiency in millimeter-wave WDM fiber-radio
In this paper we present a novel wavelength-interleaving scheme to increase the optical spectral efficiency in mm-wave WDM fiber-radio systems and demonstrate the feasibility of the proposed scheme via experiment and simulation. The technique employs wavelength interleaving in conjunction with OSSB+C modulation. A wavelength-interleaved optical add-drop multiplexer using fiber gratings and an optical circulator was realized to implement the technique, the feasibility of which was demonstrated via three interleaved WDM channels each transporting a 155 Mb/s BPSK signal at 36 GHz over a 20 km fiber link. Capacity analysis shows that the wavelength-interleaving technique increases the maximum number of channels by almost 75% after taking into account overall system performance and device limitation.
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