In this paper, after introducing MIMO information theory about sp ace time code, three kinds of space time code are compared and analyzed systematically.
在介绍空时码的MIMO信息论基础上，系统地对三类空时码进行了分析比较。
Differential unitary space-time code(DUSTC) keeps good performance in rapidly fading channels when neither the transmitter nor the receiver knows the channel state information.
差分酉空时码不需要任何信道状态信息，在通信终端处于高速移动环境下的快变衰落信道中仍能保持较好的性能。
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.
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。
The performance analysis of the transmitted diversity system that adopts space-time code is a hot spot in research cycle.
采用空时编码的发射分集系统的性能分析是当前移动通信研究领域的热点问题。
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。
The design criteria of space-time code (STC) for quasi-static fading channels, fast fading channels, and the time-varying fading channels are investigated.
对准静态衰落信道、快衰落信道以及介于两者之间的时变衰落信道下的空时码设计准则进行了研究。
The first-event error probability of STC is evaluated, and a new hybrid design criterion of space-time code for time-varying fading channels is proposed based on that probability.
考察了空时码的首事件差错概率，并基于首事件差错概率提出一种新的用于时变衰落信道的空时码混合设计准则。
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.
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。
In this paper, by combining the subspace method with layered space-time codes, we propose a vertical layered space-time code and accomplish the channel estimation without the training symbols.
本文将信号处理中的子空间方法同分层空时码的编码结构相结合，提出了一种垂直分层空时编码，实现了无需训练序列的信道估计。
Space-time code indicates a new idea of providing high transmission rate in wireless communication systems and has recently received considerable attention.
空时码的提出为解决无线通信系统中的传输速率问题提供了一条新思路，目前已经成为通信研究的一个热点。
This paper analyzed the impact of fading correlation on the noncoherent unitary space-time code, deduced the pair-wise error probability(PWEP) and Chernoff bound under fading correlation.
介绍了空时码在频率非选择性慢衰落信道下各种设计准则的推导过程，并对几种现有空时码进行了性能分析和比较。
This paper analyzed the impact of fading correlation on the noncoherent unitary space-time code, deduced the pair-wise error probability(PWEP) and Chernoff bound under fading correlation.
介绍了空时码在频率非选择性慢衰落信道下各种设计准则的推导过程，并对几种现有空时码进行了性能分析和比较。
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