| 超宽带无线通信的一种快速同步捕获方法 |
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| 引用本文： | 徐驰,尹华锐,徐佩霞. 超宽带无线通信的一种快速同步捕获方法[J]. 应用科学学报, 2005, 23(1): 45-50 |
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| 作者姓名： | 徐驰 尹华锐 徐佩霞 |
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| 作者单位： | 中国科学技术大学电子工程与信息科学系, 安徽合肥 230027 |
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| 基金项目： | 中国高技术研究发展计划863计划资助项目(2003AA123220) |
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| 摘 要： | 改进了利用模拟锁相环捕获UWB信号的电路模型,研究了提取信号时钟的方法,并在此基础上提出了通过二分搜索得到脉冲位置和信号帧定时的算法.采用的方法电路实现简便,仿真结果和分析表明,具有定时精确和捕获时间短的优点.
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| 关 键 词： | 超宽带信号 二分搜索 同步捕获 模拟锁相环 |
| 文章编号： | 0255-8297(2005)01-0045-06 |
| 收稿时间： | 2003-09-25 |
| 修稿时间： | 2004-03-15 |
A Rapid Acquisition Method of UWB Wireless Communication |
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| XU Chi,YIN Hua-rui,XU Pei-xia. A Rapid Acquisition Method of UWB Wireless Communication[J]. Journal of Applied Sciences, 2005, 23(1): 45-50 |
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| Authors: | XU Chi YIN Hua-rui XU Pei-xia |
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| Affiliation: | Electronic Engineering and Information ScienceDepartment, University of Science and Technology of China, Hefei 230027, China |
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| Abstract: | The UWB signal acquisition circuit based on the analog PLL is improved. A method to obtain the signal clock is studied, and then on the base of this circuit a binary search algorithm is proposed to obtain the pulse position and the timing of the signal frame. The circuit of this method can be realized easily. The simulation results and analysis indicate that it has the merits of precise timing and fast acquisition. It is of considerable reference value for the realization of UWB communication. |
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| Keywords: | UWB signal acquisition analog PLL binary search |
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