同轴电缆之上的802.11无线网络

802.11 Wireless Network over coaxial Cable

在文中介绍并实现了一种新的高带宽应用和服务的无线局域网,即一种使用同轴电缆传输WIFI信号的无线局域网。该无线网络仍然使用现有的802.11标准,数据传输速率最高可达54 Mb/s,同时有有效的QOS机制和安全机制,完全可以保证其实用性。研发它的关键点是设计一种能够利用有线电视同轴电缆实现无线宽带信号接入的分配/混合电路,这种混合/分配电路由高频信号分配/混合电路、高通滤波电路和低通滤波电路构成。设计完成后我们对设计出来的电路进行了简单的实际效果测试。

In this paper, a new kind of high-bandwidth wireless LAN is presented and implemented, which uses coaxial cable for transmission of WIFI signals. The wireless network uses existing 802.11 standards, with its data transmission rate up to 54 Mb/s. Due to its OOS mechanisms and effective security mechanism, the new WLAN is of strong practicality. Disigning a distributor mixer circuit, which can use coaxial cable to achieve access to a wireless broadband signal, has become the point in the development of this new network. This mixer / distributor consists of high-frequency signal distributing/mixingcircuit, ahigh-pass filter circuit, and low-pass filter circuit. Test on its practical effect has been done briefly, and the results show that the circuit works normally.