城市光无线通信网络中的问题及其解决方案

The Main Challenges of UOWC and Related Solutions

由于城市光无线通信(UOWC)在短距离通信中可以提供很高的传输速率,所以越来越受到关注。UOWC的终端包括一个光发射机和一个光接收机,它们通常安装在相距几百米的大厦的顶端。UOWC具有几个显著的优点:使用简单、小型轻便、容量巨大,而且无需交纳许可费。但是UOWC目前还存在一些问题,比如在恶劣的天气中或大楼摆动时它的通信性能就会非常差。文中提出了一些克服这些缺点的方法。

Being capable of providing high-speed transmission in short distance communication Urban Optical Wireless Communication UOWC has attracted more and more attention. A UOWC terminal includes an optical transmitter and an optical receiver. The terminals are often installed on the roof of high buildings with a distance of hundreds of meters. UOWC has several advantages such as deployment facilitation lightweight large capacity and free of license fee. However UOWC still faces some challenges including unacceptable communication performance in bad weather conditions or during building swaying. This article proposes some methods to deal with these challenges.