随着数据业务在电信业务中的比重不断扩大,以互联网业务为代表的宽带多媒体数据业务正成为网络业务发展的主流。而国内一些运营商本地网络资源较少,缺乏接入手段,接入网的现状已成为网络进一步发展的瓶颈。固定无线接入具有建设成本低等优点,可以减轻运营者的初期投资。无线接入作为有线接入手段的补充,是运营商解决接入手段贫乏问题的最佳解决方案之一。3.5GHz With the increasing proportion of data services in telecom services, broadband multimedia data services represented by Internet services are becoming the mainstream of network services. While some domestic carriers have fewer local network resources and lack access means, the status quo of access networks has become a bottleneck for the further development of the network. Fixed wireless access has the advantages of low construction costs, can reduce the operator’s initial investment. As a supplement to wired access, wireless access is one of the best solutions for operators to solve the problem of poor access. 3.5GHz