So it is necessary to study the channel estimation method of MIMO-OFDM systems.
因此，有必要对MIMO - OFDM系统的无线信道估计方法进行研究。
Capacity of the MIMO-OFDM systems using both space diversity and polarization diversity was analyzed.
结合空间分集和极化分集，对MIMO - OFDM系统中的容量进行研究。
This dissertation investigates the topic of time and frequency synchronization for OFDM and MIMO-OFDM systems.
准确的时间同步和精确的频率同步是OFDM系统和MIMO OFDM系统正常工作的前提。
A combined channel estimation method of time-frequency-selective fading channels in MIMO-OFDM systems was proposed.
提出了一种适用于时间频率选择性衰落信道的MIMO - OFDM系统的组合信道估计方法。
The basic thought is to apply the existing blind source separation (BSS) algorithm to the signal detection in MIMO-OFDM systems.
基本思想是将现有的盲信源分离算法(BSS)应用到MIMO - OFDM系统的信号检测中。
On the other hand, adaptive modulation technique can enhance data rate, spectrum efficiency and transmission reliability in MIMO-OFDM systems.
另一方面，对于MIMO - OFDM系统来说，自适应调制技术可以提高系统的数据传输率、频谱效率以及传输的可靠性。
Finally, STBC is applied to MIMO-OFDM systems, and the simulation model is built. The performance in multiple simulation condition is researched.
最后，将空时分组码应用于MIMO - OFDM系统中，建立了STBC - OFDM的仿真模型，研究了在多种仿真条件下MIMO - OFDM系统的性能。
Then, we study the precoding for space multiplexing MIMO-OFDM systems. Here, we propose an interpolation-based vector quantization precoding scheme.
然后，研究了空间复用MIMO - OFDM系统的预编码，提出了一种基于插值的矢量量化预编码方案。
This dissertation is concerned with channel estimation in both OFDM and MIMO-OFDM wireless communication systems and adaptive modulation in MIMO-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。
The LMMSE channel estimation algorithms based on Pilot-Assisted is investigated for MIMO-OFDM systems, and the Low-Bound of MSE for LMMSE channel estimation is derived.
该文对MIMO - OFDM系统中基于导频辅助的LMMSE信道估计算法进行了研究，导出了其估计均方差的下界。
The effect of sample frequency offset on MIMO-OFDM signals is exploited. An amplitude weighted least squares estimation of sample frequency offset in MIMO-OFDM systems is presented.
本文分析了采样钟频率偏移对MIMO-OFDM系统接收信号的影响，提出了一种适用于MIMO-OFDM系统的采样钟频率偏移估计算法，即幅度加权最小平方估计法。
Secondly, the MIMO-OFDM systems and several classic signal detection algorithms are introduced, then their detection performances and time complexities are simulated, analyzed and compared.
其次，介绍了MIMO - OFDM系统和几种经典的信号检测算法，并对其检测性能和时间复杂度进行了仿真和分析比较。
However OFDM and MIMO OFDM systems are very sensitive to time and frequency synchronization errors, especially the frequency synchronization error.
但OFDM系统和MIMO OFDM系统对时间和频率同步误差很敏感，特别是频率同步误差。
A multiple carrier frequency offsets (CFOs) estimation algorithm for multiple Input multiple Output Orthogonal frequency Division Multiplexing (MIMO-OFDM) systems based on pilot symbols was proposed.
提出了一种基于导频符号的多输入多输出正交频分复用(MIMO - OFDM)系统多频偏估计算法。
This paper studies the application of minimum description length (MDL) criterion for estimating root-mean-squared (RMS) delay spread (RDS) for MIMO OFDM systems.
研究了MIMO OFDM系统中最小描述长度（MDL）准则在均方根时延扩展估计中的应用。
This paper studies the application of minimum description length (MDL) criterion for estimating root-mean-squared (RMS) delay spread (RDS) for MIMO OFDM systems.
研究了MIMO OFDM系统中最小描述长度（MDL）准则在均方根时延扩展估计中的应用。
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