因此，有必要对MIMO - OFDM系统的无线信道估计方法进行研究。
So it is necessary to study the channel estimation method of MIMO-OFDM systems.
本课程的教学目的在于系统地介绍现代无线通信系统中所涉及的有关信道估计以及多用户检测的理论与方法。
The teaching goal of this course is to introduce systematically the theory and approach of channel estimation and multi-user detection in modern wireless communication system.
无线OFDM系统中基于导频辅助的信道估计必须折衷考虑算法性能与算法复杂度。
The tradeoff between performance and complexity must be taken into account in channels estimation algorithm of wireless OFDM systems.
本文研究了OFDM和MIMO-OFDM无线通信系统的信道估计技术以及MIMO-OFDM系统的自适应调制技术。
This dissertation is concerned with channel estimation in both OFDM and MIMO-OFDM wireless communication systems and adaptive modulation in MIMO-OFDM systems.
该文提出了一种新的信道估计算法，用于无线移动信道下的正交频分复用系统。
This paper proposes a novel channel estimation method for wireless Orthogonal Frequency Division Multiplexing systems.
本文主要研究无线OFDM系统中的信道估计算法，包括基于导频辅助信道估计算法和信道盲估计算法。
This thesis mainly focuses on the algorithms for channel estimation in the wireless OFDM systems including pilot assisted channel estimation and channel blind estimation.
本文主要研究了无线OFDM系统中基于导频的时变信道估计方法。
This thesis mainly focuses on the time-varying channel estimation methods based on pilot tones in wireless OFDM systems.
针对提高无线信道的传输性能，提出了改进的基于叠加训练序列的MIMO信道估计算法。
Modified MIMO channel estimation algorithm based on superimposed training sequence was proposed for the frequency selective channel.
提出的信道估计方法已成功运用于实际系统中，能够工作在复杂的无线移动环境，具有实用价值。
The channel estimation method proposed in the thesis has been successfully applied in practical system, which is able to operate in complex wireless mobile environment with a pragmatic value.
目前，对于无线OFDM系统的信道估计方法仍处于研究和探索阶段。
At present, the channel estimation of wireless OFDM systems has been still in the progress of research and exploring.
OFDM无线宽带移动通信系统中信道估计与均衡技术研究，Ph。
D thesis, OFDM wireless broadband mobile communication systems channel estimation and equalization study, Ph.
该文提出了一种新的信道估计算法，用于无线移动信道下的正交频分复用(OFDM)系统。
This paper proposes a novel channel estimation method for wireless Orthogonal Frequency Division Multiplexing (OFDM) systems.
本文在分析无线OFDM系统原理的基础上，对现有的信道估计成果进行了系统的研究。
In this paper, we study the production of the current estimation algorithms based on the introduction of the principle of wireless OFDM system.
提供了一种在信道质量的估计精度较低而造成信道质量的估计值的偏差较大时，也可以提高吞吐量的无线通信装置。
A radio communication apparatus wherein the throughput can be improved even if the variance of the estimated values of line quality is large because of a low estimation accuracy of the line quality.
实际无线环境中，多径分量数目与幅度都是时变的，则传统信道估计方法不再适用。
However, in the practical wireless environment, the number of channel taps and amplitude are all unknown and time-varying in whole process, thus typical estimation methods are not suitable.
第四章对OFDM系统的信道估计技术进行了比较全面的研究，并提出了软件无线电平台OFDM传输系统中的简单lmmse信道估计器的设计方案。
In chapter 4 relatively all-around research on channel estimate is investigated and a simple LMMSE channel estimate scheme of OFDM system based on Software Radio is put up.
第四章对OFDM系统的信道估计技术进行了比较全面的研究，并提出了软件无线电平台OFDM传输系统中的简单lmmse信道估计器的设计方案。
In chapter 4 relatively all-around research on channel estimate is investigated and a simple LMMSE channel estimate scheme of OFDM system based on Software Radio is put up.
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