光纤直接调制模拟无线电低成本嵌入式OTDR监测

2017 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC) Pub Date : 2017-08-01 DOI:10.1109/IMOC.2017.8121060

D. V. Caballero, L. E. Y. Herrera, J. P. von der Weid, P. Urban

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引用次数: 3

摘要

我们提出了一种低成本的嵌入式光时域反射计(OTDR)解决方案，用于传输长期演进推进(LTE-A)信号的直接调制模拟光纤无线电(a- rof)系统的链路监测。实验结果表明，该方法可以在线和离线进行监测，以检测光纤故障并量化损耗。确定了OTDR峰值功率和数据传输功率之间的权衡;然而，证明了通过适当的系统配置，不同调制格式的误差矢量幅度(EVM)的要求值不会被超过。使用该配置设置的离线监测显示，动态范围为~ 24 dB，空间分辨率为10米。

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Low-cost embedded OTDR monitoring for direct modulation analog radio over fiber

We present a low-cost embedded Optical Time Domain Reflectometer (OTDR) solution for link monitoring of direct modulation analog Radio over Fiber (a-RoF) systems transporting Long Term Evolution Advance (LTE-A) signals. Experimental results show that monitoring can be performed in-service and offline in order to detect fiber faults and quantify losses. A trade-off between the OTDR peak power and the data transmission power has been identified; nevertheless, it is proven that with proper configuration of the system, the required values of Error Vector Magnitude (EVM) for different modulation formats are not surpassed. Offline monitoring using this configuration setup showed a Dynamic Range of ∼24 dB with 10 meters spatial resolution.

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2017 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC)

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