空时编码技术通过空间和时间分集接收能有效增加信道容量。
Space -time coding can increase channel capacity by using the space and time diversity technique.
研究了三种主要的空时编码技术设计思想与编译码算法及其性能。
The main three space-time code schemes, including its design thought and encoding and decoding algorithms are studied.
运用功率分配和空时编码技术可以在MIMO系统中提高频谱效率、改善系统性能。
Power Allocation(PA) and Space Time Codes(STC) are the key techniques of the Multiple-Input Multiple-Output(MIMO) to increase spectral efficiency and improve performance.
论文在第一章对MIMO系统和空时编码技术坐了概述，并且分析了无线信道的特性。
Chapter 1 reviews MIMO system and space-time coding, besides some analysis on wireless channel characteristics.
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。
Being one of the core MIMO techniques, the space-time code technique takes a very important status in the MIMO-OFDM system.
仿真结果表明，将空时编码技术与M IMO-OFDM技术相结合能有效地抵抗频率选择性随机衰落。
The results of simulation show that space-time block code based on MIMO-OFDM is a highly effective technique against the frequency-selective random fading.
针对分层空时编码技术缺少编码增益的问题，提出了将复数旋转码与分层空时编码技术相结合来提高系统的性能。
It presents a new scheme of combining complex-rotary codes and layered space-time code to improve the performance of systems based on the lack of encoding plus of layered space-time code.
主要介绍了发射分集技术中用于抗信道衰落和提高系统容量的空时分组码和分层空时码的原理和基本特点，并对这些空时编码技术进行了性能分析。
To overcome the bad performance in combating fading of BLAST and low code rate of STBC, a layered structure STBC is introduced in this article by combining BLAST and STBC.
空时编码是最近提出的使用多个天线应用于瑞利衰落信道的编码技术。
Space- time block codes are code technologies which provide a new paradigm for transmitting over Rayleigh fading channels using multiple antennas.
对OFDM系统提出将空时编码与自适应功率控制技术相结合，给出了仿真结果，提高了分集增益和自适应增益。
For the OFDM system, a scheme of combining space-time code with the adaptive power control technology is proposed with simulation results, which increases the diversity gain and the adaptive gain.
近年来，空时编码作为一种发送分集技术已引起人们广泛的关注。
In recent years space-time coding has attracted wide attention as a transmit diversity technology.
首先，由于空时编码是利用时间和空间的结合，属于空时处理技术，本文对空时信道模型和空时信号处理作了系统的分析。
Firstly, the paper analyses the space-time channel model and space-time signal systematically, as space-time codes belong to the technology dealing with space and time.
首先，由于空时编码是利用时间和空间的结合，属于空时处理技术，本文对空时信道模型和空时信号处理作了系统的分析。
Firstly, the paper analyses the space-time channel model and space-time signal systematically, as space-time codes belong to the technology dealing with space and time.
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