简要介绍了LTE网络的发展现状、所处背景、相关产业链、核心技术以及TDD-LTE与FDD-LTE 2种网络建设模式；重点对多入多出（MIMO）技术在提高频谱的利用率与降低干扰方面进行了研究和分析，并从隔离度、空间分集2个方面，阐述了多入多出技术在实际工程建设中所起的积极作用；对LTE网络的可持续发展性与复杂程度进行了简要的分析，并提出了建设LTE网络工程的建议。%It briefly describes the development state of LTE network, its background, related industry chain, core technology as wel as TDD-LTE and FDD-LTE network construction modes. It emphasizes on the research and analysis of MIMO on improving fre-quency utilization rate and decreasing interference. It also expounds the positive function of MIMO on practical project con-struction, analyzes the sustainable development and complexity of LTE network, gives suggestions on constructing LTE net-work project.
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