We introduce the frame of cellular mobile IP network and give some solutions about handoff.

给出了蜂窝移动IP网络的构架，对其提出了相应的越区切换的解决方案。

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Now GMRC is creating a cellular network emulator for testing mobile RF device, baseband and IP data traffic flows.

现在GMRC正在构建一个模拟蜂窝网络，用于测试移动射频设备、基带及IP数据流。

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