The design of bidirectional RoF system based on optical coherent technology and improved OFDM mechanism

The design of bidirectional RoF system based on optical coherent technology and improved OFDM mechanism
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基于光相干技术和改进的OFDM机制的双向RoF系统设计

DOI:
10.1007/s11082-014-9988-x
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发表时间:
2015-05
影响因子:
3
通讯作者:
季伟
季伟
中科院分区:
工程技术4区
文献类型:
--
作者:
季伟

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在本文中,我们提出了一种基于改进的正交频分复用(OFDM)格式和光外差的双向光纤无线电系统。系统采用OFDM和相干接收技术,具有较高的带宽利用率和优良的传输性能。系统利用光外差原理,在不增加射频源的情况下实现60GHz无线接入。通过蒙特卡洛仿真方法从误码率、覆盖面积、接收星座等方面对系统的性能进行了评价,得出系统具有良好的接入性能。
In this paper, we propose a bidirectional radio over fiber system based on the improved orthogonal frequency division multiplexing (OFDM) format and optical heterodyne. With OFDM and coherent receiving technology, the system achieves high bandwidth utility efficiency and excellent transporting property. Using optical heterodyne, the system implements the 60 GHz wireless access without adding radio source. We evaluate the performance of system in terms of bit error rate, coverage area, receiving constellation through Monte-Carlo simulation method and obtain the system as excellent access property.
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