而随着多业务传输平台、波分复用和自动交换光网络等技术的引入，上述这些问题能够得到较为满意的解决。

For solving the abovementioned problems, such technologies as Multi Service Transport Platform, Wavelength Division Multiplexing, and Automatically Switched Optical Network can be introduced.

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随着城域传输网的演变和对带宽的需求，密集波分复用技术将由长途骨干网进入城域传输网。

With the evolution of metropolitan transmission network and the bandwidth requirement, DWDM technology will be entered into metropolitan network area from long haul backbone network.

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已有研究表明，MIMO系统可以同时提供分集增益和复用增益，以提高传输的可靠性和有效性。

Existing research shows that MIMO systems can provide diversity gain and multiplexing gain at the same time to improve the transmission reliability and efficiency.

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