| 空时编码在OFDM系统中的应用 |
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| 引用本文： | 张伟岗,尚宇.空时编码在OFDM系统中的应用[J].电子科技,2011,24(9):101-103. |
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| 作者姓名： | 张伟岗 尚宇 |
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| 作者单位： | (西安工业大学 电子信息工程学院,陕西 西安 710032) |
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| 摘 要： | 研究了空时分层码（LSTC）、空时分组码（STBC）和空时网格码（STTC）3种典型的空时编码技术。讨论了各自的编码原理和译码原理。以空时分组码为重点,介绍了OFDM系统的基本原理,将空时分组码和OFDM技术相结合,对STBC-OFDM系统的基本模型加以探讨,理论分析系统接收端的信噪比性能,通过M atlab仿真对收发...
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| 关 键 词： | 空时编码 正交频分复用 空时分组码 MIMO |
The Application of Space-Time Coding in OFDM System |
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| ZHANG Weigang,SHANG Yu.The Application of Space-Time Coding in OFDM System[J].Electronic Science and Technology,2011,24(9):101-103. |
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| Authors: | ZHANG Weigang SHANG Yu |
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| Affiliation: | (School of Electronics and Information Engineering,Xi'an Technological University,Xi'an 710032,China) |
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| Abstract: | This paper studies the three typical space-time coding technology: the space-time layered code(LSTC),space-time block codes(STBC),and the space-time grid code(STTC);and discusses their coding and decoding principle.With emphasis on space-time block code,the OFDM systems are introduced in detail.The basic principle of the space-time block codes and OFDM technology combining STBC-OFDM system of basic model are discussed.A theoretical analysis is made of the receiver SNR performance,and a comparison is made th... |
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| Keywords: | space-time coding OFDM space-time block codes MIMO |
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