| TDS-OFDM系统中PN序列的研究 |
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| 引用本文： | 吴柳眉,李善劲,姚灏,张寅媛. TDS-OFDM系统中PN序列的研究[J]. 通信技术, 2007, 40(12): 66-67,71 |
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| 作者姓名： | 吴柳眉 李善劲 姚灏 张寅媛 |
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| 作者单位： | 华南理工大学,电子与信息学院,广东,广州,510640 |
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| 摘 要： | 文中介绍了数字电视地面广播传输系统中的TDS-OFDM技术，阐述了PN序列在TDS-OFDM系统中可以作为OFDM块的保护间隔，还可以被用作系统同步和信道估计等。仿真结果表明，TDS-OFDM系统在多径条件下具有满意的性能。
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| 关 键 词： | 时域同步-正交频分复用系统 PN序列 同步 信道估计 |
| 文章编号： | 1002-0802（2007）12-0066-02 |
| 收稿时间： | 2007-07-04 |
| 修稿时间： | 2007-07-04 |
Research on PN-sequence in TDS-OFDM Systems |
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| WU Liu-mei,LI Shan-jin,YAO Hao,ZHANG Yin-yuan. Research on PN-sequence in TDS-OFDM Systems[J]. Communications Technology, 2007, 40(12): 66-67,71 |
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| Authors: | WU Liu-mei LI Shan-jin YAO Hao ZHANG Yin-yuan |
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| Abstract: | This paper describes TDS-OFDM technology in Digital Television Terrestrial Broadcasting system, and illustrates the application of PN-sequence in TDS-OFDM systems, such as guard interval of OFDM block, system Synchronization and channel estimation. The results of simulation show that TDS-OFDM systems provide satisfactory performance under multipath channel conditions. |
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| Keywords: | TDS-OFDM system PN-sequence synchronization channel estimation |
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