Optical Front-end Receiver Design for Radio over Fiber System

H. Harun, S. M. Idrus, A. .. Mohammad
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引用次数: 4

Abstract

Mobile communication system faces serious challenges serve high quality broadband service in any situation even in highly dense populated area and high mobility users. Radio over fiber (RoF) technology is proposed as a solution for reducing cost and providing highly reliable communication services. The RoF system is very cost-effective because the localization of signal processing in central station and also use a simple base station. In this paper, two methods of RoF system are investigated for transmitting the radio signal over the optical links with intensity modulation. There are RF signal or IF signal transmission over optical fiber. This paper focus on the RoF optical front-end receiver configuration especially optical heterodyne employing an optoelectronic mixer. Thorough review and comparison of previous works, the HBT is the best performance as an optoelectronic mixer and frequency conversion to millimeter wave.
光纤无线通信系统的光前端接收机设计
移动通信系统面临着严峻的挑战,即使在人口密集地区和高移动性用户的情况下,也能在任何情况下提供高质量的宽带服务。光纤无线电(RoF)技术是一种降低成本、提供高可靠通信服务的解决方案。该RoF系统的信号处理定位在中心站,且使用简单的基站,因此具有很高的成本效益。本文研究了在光链路上进行强度调制的两种RoF系统传输无线电信号的方法。光纤有射频信号或中频信号传输。本文重点研究了RoF光前端接收机的结构,特别是采用光电混频器的光外差接收机。通过对以往工作的全面回顾和比较,HBT是性能最好的光电混频器和毫米波频率转换器件。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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