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.
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.
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.
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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