A modified synchronization scheme for impulse-based UWB

被引：0
|
作者：
Chen, Zhiming [1 ]
Zhang, Yueping [1 ]
机构：
[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore
来源：
2007 6TH INTERNATIONAL CONFERENCE ON INFORMATION, COMMUNICATIONS & SIGNAL PROCESSING, VOLS 1-4 | 2007年
关键词：
impulse radio; phase-locked loop; sliding correlator; synchronization; ultra-wideband;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An improved synchronization scheme based on sliding correlator and phase-locked loop (ILL) is presented and analyzed for impulse-based ultra-wideband (UWB). First of all, properties of Gaussian group pulses are explored as rationales for the presented synchronization scheme. Working principles of the synchronization scheme are given, where there are phase and frequency synchronization steps performing coarse and fine pulse position adjustment, respectively. Moreover, discussions on block parameter tuning are provided. MATLAB simulation shows that synchronization can be achieved within 15 clock cycles when 88% of the maximum auto-correlation for Gaussian pulse adopted is used as a criterion. Furthermore, tradeoffs on selecting the order of Gaussian pulses for communication are discussed according to difficulty of circuit implementation and superiority in system performance.
引用
收藏
页码：1544 / 1548
页数：5
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