The main contents of the paper are some channel estimation and equalization methods in MIMO-OFDM system.
本文研究的主要内容是MIMO-OFDM系统的信道估计和均衡技术。
Being one of the core MIMO techniques, the space-time code technique takes a very important status in the MIMO-OFDM system.
作为MIMO核心技术之一的空时编码技术，在MIMO - OFDM系统中具有极为重要的地位。
Allocation of antennas and subcarriers is one of most important issue for multiuser MIMO-OFDM system radio resource management.
天线与子载波分配是多用户MIMO - OFDM系统无线资源管理中的重要内容。
The paper researches the base station testing technology and analyses the MIMO-OFDM system theory and LTE base station testing items.
因此开展MIMO-OFDM的基站测试系统研究具有重要的理论意义和实用价值。
Study shows the simplified implementation scheme is applicable in hardware implementation of MIMO-OFDM system timing synchronization algorithm.
研究表明，简化实现方案可以用于MIMO - OFDM系统定时同步算法的硬件实现。
Aiming at the requirement for reliability and very high data rate transmission for broadband wireless communication, a LDPC coded MIMO-OFDM system model was proposed.
针对宽带无线通信系统对高可靠性和高速率数据传输的要求，本文介绍了一种基于LDPC码的MIMO - OFDM宽带无线通信系统模型。
MIMO-OFDM system is a seamless merger of MIMO and OFDM, which can potentially provide larger coverage range, more reliable transmission, higher date rate and spectrum efficiency.
MIMO和OFDM的结合可得到MIMO OFDM系统，它能使提供更大的覆盖范围，更好的传输质量，更大的数据速率和频谱效率。
MIMO-OFDM system is a seamless merger of MIMO and OFDM, which can potentially provide larger coverage range, more reliable transmission, higher data rate and spectrum efficiency.
因此，OFDM技术和MIMO技术的结合可以提供更大的覆盖范围，更好的传输质量，更大的数据速率和更高的频谱效率。
This dissertation focused on MIMO-OFDM system and made a thorough research on the key theories and technologies including channel estimation and dedicated reference signal design.
本论文对MIMO - OFDM系统物理层的若干关键理论和技术进行了深入研究，包括：信道估计、专用导频设计等问题。
The model of the MIMO-OFDM system in doubly-selective channels is derived and a lower bound of mean squared error(MSE) of the channel estimator using frequency domain pilot is presented.
基于双衰信道的频域响应，提出了一类双衰信道下多天线正交频分复用（MIMO-OFDM）系统的最优化频域导频设计方案。
The channel estimation algorithm based on training-sequence method firstly introduces the definition of the training sequence and discusses the optimum training-sequence in MIMO-OFDM system.
根据最优化训练序列的设计方法分别讨论了两种最优化训练序列的导频格式：对角正交导频和相移正交导频，分析了在两种不同导频格式下的信道估计算法。
Two advantages can be achieved by combing OFDM and MIMO technologies, one is to obtain very high system capacity, other is to obtain the very strong reliability through combination.
将OFDM和MIMO两种技术相结合，就能达到两种效果：一是系统很高的传输速率，另一种是通过分集达到很强的可靠性。
Therefore, the combination of MIMO and OFDM has been the important technique of wideband wireless communication system.
因此MIMO技术与OFDM技术的结合已经成为宽带无线通信系统的重要技术。
To improve system capacity and performance, MIMO, OFDM and adaptive transmission technology are broadly researched.
为了提高系统容量和性能，人们对MIMO技术、OFDM技术以及自适应传输技术展开了广泛的研究。
The paper is focused on the system of the combined OFDM and MIMO.
本文研究的是基于OFDM系统，结合MIMO机制，提高传输的可靠性。
The combination of MIMO and OFDM greatly increases the system capacity in the sense that OFDM and MIMO can respectively provide flat fading channel and spatial gain.
多天线和OFDM的结合极大地提高了系统容量，OFDM能为系统提供平坦衰落信道，而多天线则提供空间增益。
The MIMO-OFDM channel estimation method is researched based on the system design, and a space-frequency domain optimal pilot-tones design algorithm is presented.
从系统设计角度研究了MIMO-OFDM系统的信道估计方法，提出一种基于空频域的最优导频设计算法。
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。
The focus on MIMO-OFDM communication system is researched.
MIMO - OFDM是目前通信系统的研究热点。
A subcarrier allocation algorithm is presented for multiuser MIMO-OFDM communication network based on maximum of the system sum capacity.
针对多用户MIMO - OFDM通信网络，提出了一种基于系统和容量最大化的子载波分配算法。
A subcarrier allocation algorithm is presented for multiuser MIMO-OFDM communication network based on maximum of the system sum capacity.
针对多用户MIMO - OFDM通信网络，提出了一种基于系统和容量最大化的子载波分配算法。
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