Digital Predistortion Algorithm of Advance Coherent Modulation Schemes Enabling Radio over Fiber for Access Networks

A. Atieh, Mahmood Noweir, M. Helaoui, F. Ghannouchi
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Abstract

Digital predistortion algorithms are demonstrated for 5G back-bone optical systems employing 64-QAM and 256-QAM advance modulation formats. The performance of the digitally linearized systems is compared experimentally and using simulation with standard coherent transmission systems.
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实现接入网光纤无线电的先进相干调制方案的数字预失真算法
针对采用64-QAM和256-QAM提前调制格式的5G骨干网光学系统,演示了数字预失真算法。通过实验和仿真比较了数字线性化系统与标准相干传输系统的性能。
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