And the capacity of the UMB systems has been greatly improved by using the multiple antenna technology, like the Closed-loop MIMO.
还有闭环MIMO等多天线技术的使用，使得umb系统的系统容量有了极大的提升。
On the other hand, utilizing the smart antenna and the users' spatial information, we can develop the Space Division Multiple Access (SDMA) technology.
另一方面，利用智能天线和用户空间位置信息可以实现空分多址(SDMA)接入技术。
On the other hand, utilizing the smart antenna and the users' spatial information, we can develop the Space Division Multiple Access (SDMA) technology.
另一方面，利用智能天线和用户空间位置信息可以实现空分多址(SDMA)接入技术。
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