| 高速移动DVB-T系统帧同步算法 |
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| 引用本文： | 罗仁泽,王汝言,朱维乐.高速移动DVB-T系统帧同步算法[J].电子学报,2006,34(5):928-929. |
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| 作者姓名： | 罗仁泽 王汝言 朱维乐 |
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| 作者单位： | 电子科技大学中山学院,广东中山,528402;重庆邮电大学通信与信息工程学院,重庆,400065;电子科技大学电子工程学院,四川成都,610054 |
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| 基金项目： | 感谢匿名的审稿老师和编辑部的老师给本文提出的宝贵意见以及所做的许多工作. |
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| 摘 要： | 在DVB-T 2K系统中常规同步算法均采用保护间隔和导频实现,其移动速度不能超过100k/h.本文提出一种低复杂度的利用叠加的、极弱能量的复巴克码和保护间隔进行帧同步算法.仿真表明:对于150km/h的高速移动DVB-T系统,该算法能极快地获得良好的帧同步性能;同时,该叠加的复巴克码对系统性能的影响可以忽略不计.
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| 关 键 词： | DVB-T系统 帧同步 叠加巴克码 弱能量 高速 |
| 文章编号： | 0372-2112（2006）05-0928-02 |
| 收稿时间： | 2004-03-12 |
| 修稿时间： | 2004-03-122006-01-26 |
Frame Synchronization Algorithm for the DVB-T Systems with High Mobile Speed |
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| LUO Ren-ze,WANG Ru-yan,ZHU Wei-le.Frame Synchronization Algorithm for the DVB-T Systems with High Mobile Speed[J].Acta Electronica Sinica,2006,34(5):928-929. |
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| Authors: | LUO Ren-ze WANG Ru-yan ZHU Wei-le |
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| Affiliation: | 1. Zhongshan Institute,University of Electronic Science and Technology of China(UESTC),Zhongshan,Guangdong 528402,China;2. The Division of Communication and Information Engineering,Chongqing University of Posts and Telecommunications,Chongqing 400065,China;3. Department of Electronic Engineering,University of Electronic Science and Technology of China(UESTC),Chengdu,Sichuan 610054,China |
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| Abstract: | In the European DVB-T systems, the conventional synchronization algorithms used to adopting pilot and the guard interval. The mobile speed of the DVB-T receiver is within 100 km/h. The novel frame algorithm, which employs the superimposed Barker code with much lower power and the guard interval,is proposed for DVB-T receiver. Simulation shows that the algorithm can attain frame synchronization for DVB-T systems with mobile speed 150 km/h. Furthermore, the effect from the superimposed Barker code can be ignored. |
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| Keywords: | DVB-T systems frame synchronization the superimposed Barker code lower power high speed |
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