VBLAST可以有效提高多发射天线系统容量，而STBC则具有较高的分集增益，通过将两种方案结合起来组成一个新的系统。
The VBLAST can be used to exploit the capacity potential provided by multiple transmit antenna systems. The STBC has higher diversity gain.
提出了一种将线性多用户检测与发射分集相结合的新方法，该方法能在克服信道衰落的同时抑制多址干扰和码间串扰。
A novel approach is proposed for linear multi user detection in conjunction with transmit diversity to combat channel fading, multi user interference and inter symbol interference.
本文在相同频带利用率下将空时格码与空时发射分集的性能进行了比较。
Performance comparison of space time trellis codes and space time transmit diversity is carried out under the same bandwidth efficiency in this paper.
其次，讨论分析发射分集和接收分集实现的方法和不同方法的分集度比较。
Secondly, based on transmission diversity and receiver diversity, different methods have been studied.
WCDMA标准在下行信道传输中采用了称作STTD的开环发射分集方案和两种反馈模式的闭环发射分集方案。
The open loop transmit diversity scheme, named as STTD, and two feedback close loop transmit diversity schemas in downlink channel communication was defined in WCDMA standard.
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.
发射分集技术目前是无线通信系统研究的一个热点。
Transmit diversity technique is a hotspot in the research of wireless communication system.
仿真结果表明了上述标签延迟发射分集方法的有效性及其信道盲估计方法的性能。
Simulation results demonstrate the validity of the novel labeled-delay transmit diversity scheme and the performance of the blind estimation of frequency-selective channels.
发射端分集、编码和调制结合空时格码，可以有效地提高信号在无线衰落信道中传输的有效性和可靠性；
Space-time trellis code combining space diversity with code and modulation, can improve efficiency and reliability of communication system in wireless channel efficiently.
而V-BLAST虽然克服了D-BLAST边界损耗的缺点，但它没有利用发射分集技术。
V-BLAST overcomes the limitation of D-BLAST, but it does not utilize the transmit diversity.
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。
The performance analysis of the transmitted diversity system that adopts space-time code is a hot spot in research cycle.
本文提出一种收发端均不知道信道状态信息情况下发射分集差分检测新方法。
This paper presents a new differential detection scheme for transmit diversity, when neither the transmitter nor the receiver has the channel state information.
所述技术可允许均衡器考虑到天线分集，例如接收分集、发射分集或可能 兼考虑到二者。
The techniques can allow the equalizer to account for antenna diversity, such as receive diversity, transmit diversity, or possibly both.
分集增益的取值与分组长度有关，只有当分组长度不小于发射天线数目时才能获得满分集增益。
The diversity gain is relative to the block length, and can amount to the full diversity gain only when the block length is no less than the number of transmit antennas.
本发明涉及发射分集、接收分集和空时分组编码领域。
The present invention relates to the fields of transmit diversity, receive diversity and space-time block codes.
在该算法的基础上，提出了改进的基于发射分集技术的OMMSE算法。
The OMMSE algorithm which is based on an improved transmit diversity have been proposed.
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.
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.
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