Hence, MIMO has been used in downlink transmission as a must-option in LTE system.
因此，该技术在LTE标准中被列为必选项，并在下行链路上得以使用。
The thesis mainly discusses the precoding techniques applied in the MIMO downlink of LTE system.
本文主要对lte中MIMO下行链路的预编码以及相关技术进行了研究。
In chapter 2, TDD-LTE system is introduced briefly. And we study the link level performance in TDD-LTE system.
第二章对TDD -LTE系统进行了简要介绍，并对TDD - LTE系统的链路性能进行了研究。
Chapter 5 concludes this dissertation and discusses the possible future research directions of transmission techniques in LTE system.
第五章对全文进行总结，探讨了LTE传输技术未来可能的研究方向。
This paper discusses in depth the scheduling algorithms in B3G/4G system and in chapter 2 introduces the LTE system level simulation platform used in this paper.
本文对B3G/4G系统中的分组调度算法做了较为深入的研究，在第二章中介绍了本文所使用的基于LTE系统级需求的仿真平台。
LTE system adopts MIMO and OFDM as its two most important fundamental techniques, so as to respond to the requirements of large capacity and high spectral efficiency.
LTE系统采用多输入多输出(MIMO)和正交频分复用(OFDM)作为两大主要技术以应对系统大容量与高频谱利用率等需求。
Finally, taking the practical physical layer transmission control mechanism into account, a solution is proposed to the whole architecture for the cell initial search in a LTE system receiver.
最后论文结合实际的物理层传输控制机制，设计了一套完整的LTE系统小区初始搜索方案。
This article mainly investigated the link adaptation schemes of LTE system based on this simulation platform, and simulated adaptive modulation and coding (AMC) and Hybrid ARQ schemes in the platform.
在此基础上，本文重点研究了LTE中的链路自适应方案，对自适应调制编码（AMC）技术以及混合ARQ算法进行了系统仿真。
This article mainly investigated the link adaptation schemes of LTE system based on this simulation platform, and simulated adaptive modulation and coding (AMC) and Hybrid ARQ schemes in the platform.
在此基础上，本文重点研究了LTE中的链路自适应方案，对自适应调制编码（AMC）技术以及混合ARQ算法进行了系统仿真。
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