新的解决方案将使无线回程系统，以支持4g的回程网络的苛刻要求。
The new solution will enable wireless backhaul systems to support the demanding requirements of 4g backhaul networks.
我们也可以选择无线微波回程，但这必须保持发射塔在同一条视线上，而且在一些情况下数据必须通过有线网络传输。
There is also the option of a wireless microwave backhaul, but it requires cell towers that are in the same line of sight, and at some point the data still has to go wired.
把流媒体视频无线传送到移动设备存在三大问题：无线带宽、回程，以及设备本身。
There are three major constraints on streaming video to a mobile device over the air: wireless spectrum, backhaul, and the device itself.
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