Key Enabling Technologies for Optical–Wireless Networks: Optical Millimeter-Wave Generation, Wavelength Reuse, and Architecture
Key Enabling Technologies for Optical–Wireless Networks: Optical Millimeter-Wave Generation, Wavelength Reuse, and Architecture
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DOI：
10.1109/jlt.2007.909201
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发表时间：
2007-11
影响因子：
4.7
通讯作者：
Z. Jia;Jianjun Yu;G. Ellinas;G. Chang
中科院分区：
文献类型：
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作者：
Z. Jia;Jianjun Yu;G. Ellinas;G. Chang
在下一代光接入网中，光和无线系统的集成被认为是增加现有容量和移动性以及降低成本的最有前途的解决方案之一。在本文中，混合光无线接入网络的几个关键使能技术，包括光毫米波（毫米波）的产生，上变频，并在下行链路方向的传输，和全双工操作的基础上，波长重用，通过使用集中光源在上行链路方向。通过采用这些使能技术，我们设计和实验演示了一个光无线测试床，同时提供有线和无线服务的综合光无线和波分复用无源光网络接入网络。实际应用包括270 Mb/s的未压缩标清电视信号和2.5 Gb/s的下行数据信道，成功地通过25公里的光纤和10.2米的室内无线链路传输，功率损失小于1.5 dB。结果表明，该集成系统是一个实用的解决方案，提供超宽带信息服务的固定和移动的用户。
The integration of optical and wireless systems is considered to be one of the most promising solutions for increasing the existing capacity and mobility as well as decreasing the costs in next-generation optical access networks. In this paper, several key enabling technologies for hybrid optical-wireless access networks are described, including optical millimeter-wave (mm-wave) generation, upconversion, and transmission in a downlink direction, and full-duplex operation based on wavelength reuse by using a centralized light source in an uplink direction. By employing these enabling technologies, we design and experimentally demonstrate an optical-wireless testbed that is simultaneously delivering wired and wireless services in the integrated optical-wireless and wavelength-division-multiplexing passive-optical-network access networks. The actual applications consisting of 270-Mb/s uncompressed standard-definition TV signal and 2.5-Gb/s data channels for downstream are successfully transmitted over a 25-km fiber and a 10.2-m indoor wireless link with less than a 1.5-dB power penalty. The results show that this integrated system is a practical solution to deliver superbroadband information services to both stationary and mobile users.