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【光电通信】微蜂窝、基站、宏蜂窝、直放站、BBU+RRU的区别
4、BBU+RRU,是一种射频拉远技术,3G网络大量使用分布式基站架构,RRU(射频拉远模块)和BBU(基带处理单元)之间需要 用光纤连接。一个BBU可以支持多个RRU。 5、原理及区别:基站都有自己的频点,频率范围,有用户数,网络好,便于规划,当然费用也 ...
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