根据LTE产业链的发展状况及LTE使用频率的特点,当前大多数国际运营商仍集中精力发展LTE FDD移动网。从全球LTE网络的部署情况来看,截至2014年年底,在全球124个国家已经有360个LTE商用网络,其中LTE FDD网络329个,TD-LTE网络48个。另一方面,许多LTE运营商开始尝试选择混合组网,发挥TD-LTE和LTE FDD的各自优势,到目前已经有17个FDD/TDD混合网络。通过采用TD-LTE According to the development status of LTE industry chain and the characteristics of LTE frequency of use, most of the current international operators are still focused on developing LTE FDD mobile networks. According to the deployment of the global LTE network, as of the end of 2014, there are already 360 LTE commercial networks in 124 countries around the world, including 329 LTE ​​FDD networks and 48 TD-LTE networks. On the other hand, many LTE operators are trying to choose a hybrid network to play their respective advantages of TD-LTE and LTE FDD. So far, there are already 17 FDD / TDD hybrid networks. Through the use of TD-LTE