| 基于分段搜索的CMMB粗同步算法 |
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| 引用本文： | 张峰,田园.基于分段搜索的CMMB粗同步算法[J].电视技术,2012,36(7):1-3,15. |
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| 作者姓名： | 张峰 田园 |
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| 作者单位： | 中国科学院自动化研究所,中国地质大学（北京） |
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| 摘 要： | 传统CMMB粗同步算法采用硬件电路实现,环境适应性差且无法实现多标准兼容。针对此问题,提出一种分段搜索的CMMB粗同步算法,该算法在不损失同步性能的基础上,通过分段搜索时域同步信号的方法,大幅压缩了所需的数据存储器容量,适用于DSP实现。该方法也可应用于其他基于OFDM技术的通信系统中。
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| 关 键 词： | 分段搜索 CMMB DSP 粗同步 |
| 收稿时间： | 2011/10/13 0:00:00 |
| 修稿时间： | 2011/12/5 0:00:00 |
A CMMB system algorism of Coarse timing synchronization based on segmental search |
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| ZHANG FENG and TIAN YUAN.A CMMB system algorism of Coarse timing synchronization based on segmental search[J].Tv Engineering,2012,36(7):1-3,15. |
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| Authors: | ZHANG FENG and TIAN YUAN |
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| Affiliation: | Institute of Automation , Chinese Academy of Science,China University of Geoscience |
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| Abstract: | Primary implement of CMMB coarse timing synchronization using hardware circuit has the shortcomings of poor adaptability and multi-standard incompatibility. In this paper, a new CMMB coarse timing synchronization algorism suitable for DSP is proposed . This algorism is based on the method of segmental searching in the synchronize signal of time domain and will significantly reduce the required data memory without losing synchronization performance. The segmental search method is also suitable for other wireless systems based on OFDM technique. |
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| Keywords: | Segmental Search CMMB DSP Coarse synchronization |
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