空时分组码采用最大似然译码，译码复杂度相对较低。
The STBC uses Maximum Likelihood (ML) decoding and its complexity of decoding is very low.
本文提出了一种新的四天线准正交空时分组码的通用设计方法。
In this paper, a novel general design method of quasi-orthogonal space-time block codes for four antennae is presented.
空时分组码的准静态衰落瑞利信道的多发射天线多接受天线性能仿真。
The free time grouping code accurate static state declines the Rayleigh channel multi- transmitting antenna to accept the antenna performance simulation much, matlab, Communication.
随着调制阶数的增加，正交空时分组码的性能越来越差，但传输速率变大；
If the modulation order is different, the higher the order is, the worse the performance is, but the transmitting rate is bigger.
该文考虑空时分组码多载波码分多址（MC-CDMA）系统的盲干扰抑制。
This paper considers blind interference suppression for a space-time block coded MultiCarrier CDMA (MC-CDMA) system.
研究了基于正交空时分组码的多用户OFDM系统的自适应子载波分配算法。
An adaptive subcarrier allocation algorithm for multiuser OSTBC-OFDM system is discussed in this paper.
针对此问题，提出了一种新的基于空时分组码(STBC)的并行选择映射算法。
A novel concurrent selective mapping (SLM) algorithm with space-time block coded (STBC) was proposed to solve this problem.
本文基于一种“单环”相关信道模型，对空时分组码和差分空时码进行了分析和研究。
In this thesis, space-time block coding and differential space-time coding are discussed on the basis of "one-ring" correlated channel model.
而以牺牲正交性和部分分集增益为代价来获得更高传输速率的非正交空时分组码又会使误码性能降低。
Whereas the non-orthogonal space-time block codes which obtain higher transmission rate at the cost of orthogonality and partial diversity gain may degrade the performance.
通过在OFDM通信系统中应用新型差分空时分组码（DSTBC），获得编码增益，无需信道估计。
By using new DSTBC in OFDM communications system channel estimation is nto necessary and coding gain is gotten.
目前对空时分组码的性能研究已经比较全面，研究重点开始转移到优化编码结构和降低译码复杂度等方面。
Currently studies on the performance of STBC have been relatively comprehensive, so research focus is shifting to optimize code structure and reduce the decoding complexity.
针对分布式小区架构的小区间干扰抑制问题，提出了一种结合空时分组码(STBC)的小区间干扰协调策略。
To mitigate inter-cell interference in distributed cellular architecture, an inter-cell interference coordination scheme with space time block coding (STBC) is proposed.
但由于空时分组码受正交条件限制，传输效率得不到提高，而BLAST系统存在差错传播制约着误码率的下降。
But the data efficiency of STBC is restricted to orthogonal transmission and the bit error rate of BLAST is high due to the error propagation.
在保证满分集度的前提下，尽可能提高码率，并优化时延分组数，才是多发射天线构架复信号空时分组码设计的更明智的选择。
So it is a more wise choice to increase the transmission rate and optimize the time slot block number on the condition of keeping the full diversity order in STBC design.
基于OFDM(正交频分复用)系统，提出了一种新的空频时三维编码，将网格编码调制和差分空时分组码进行组合链接设计。
Based on OFDM system, a novel space-frequency-time code which combined trellis-coded modulation with differential space-time block code was proposed.
仿真结果表明该方案虽然相对于理想无干扰的系统来说有一定的性能损失，但是能有效抑制空时分组码MIMO系统中的强定向干扰。
Simulation result shows that the scheme is valid to suppress directional strong interference for STBC MIMO system although with some performance loss compared with the ideal case of non-interference.
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.
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。
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。
Finally, STBC is applied to MIMO-OFDM systems, and the simulation model is built. The performance in multiple simulation condition is researched.
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