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成功地部署一个固定宽带无线(FBW)网络取决 于两个关键因素:射频网络规划的灵活性和视距 (LOS)/非视距(NLOS)情况。因为在视距(LOS)情况 下要求在发射机和接收器之间没有阻挡,运营商在 规划和部署一个视距(LOS)的固定宽带无线(FBW)网 络时,需面对许多技术和业务上的困难;事实上第 一代的FBW系统正是由于这些困难而失败。
The successful deployment of a fixed broadband wireless (FBW) network depends on two key factors: the flexibility of the RF network planning and the LOS / NLOS conditions. Because there is no block between the transmitter and the receiver at LOS, operators face many technologies and services when planning and deploying a fixed-line-of-sight (LOS) fixed broadband wireless (FBW) network In fact, the first generation of FBW systems failed precisely because of these difficulties.