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基于导频的超宽带同步方案捕获性能分析 被引量：2

Acquisition Performance Analysis for Pilot Pulsed UWB Communication System
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摘要 基于导频脉冲进行超宽带信号同步的新方案分两步实现:码片同步和PN码同步。一旦获得码片同步,这样可以得到有效的多径信息,有利于获取多径能量提高捕获的概率。文中针对利用导频脉冲进行超宽带信号同步方案,采用仿真与理论分析相结合的方法,详细分析了AWGN信道下其码片捕获和码捕获性能,并在CM1—CM4信道下进行了捕获性能仿真分析。结果表明:理论分析和仿真结果相吻合,利用导频进行超宽带信号同步在各种信道下均能获得很好的性能。 In this paper, acquisition performance analysis for pilot pulsed UWB synchronization scheme is proposed. The pilot pulsed UWB scheme separates the acquisition procedure into two steps： chip acquisition and code synchronization. Once the chip acquisition achieved, the multipath components can be acquired without the knowledge of channel information, by utilizing the samples in energy window as the local template waveform. For AWGN, theoretical analysis is consistent with simulation results. Furthermore, the simulation results for CM1 - CM4 indicate that the pilot pulsed synchronization scheme can achieve satisfactory performance.
作者 王江 毕光国 张在琛
机构地区 东南大学移动通信国家重点实验室
出处 《南京邮电大学学报（自然科学版）》 EI 2006年第2期17-20,25,共5页 Journal of Nanjing University of Posts and Telecommunications：Natural Science Edition
基金 国家自然科学基金(60496311) 江苏省自然科学基金(BK2005409) Intel/UniversitySponsoredResearchProject(4507177326) 华为科技基金(YJCB2005016WL)资助项目
关键词 超宽带通信系统 码片同步 码捕获 捕获概率 UWB Communication system Chip synchronization Code acquisition Probability of acquisition
分类号 TN914 [电子电信—通信与信息系统] TN929.5 [电子电信—通信与信息系统]
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参考文献9

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二级参考文献12

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同被引文献18

  • 1周先军,胡修林,张蕴玉,刘传清.UWB定时信号的一种快速捕获算法[J].通信学报,2006,27(5):126-129. 被引量：3
  • 2赵丹,于全,王建新.超宽带无线通信的一种快速同步捕获算法[J].系统工程与电子技术,2006,28(11):1648-1651. 被引量：3
  • 3王红星,赵志勇,刘锡国,等.非正弦时域正交调制方法:中国,CN200810159238.3[P].2009-04-15.
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  • 6WEI Liying, KENNEDY R A, LAMAHEWA T A. An optimal basis of band-limited functions for signal a- nalysis and design[C]//IEEE Transactions on Signal Processing, 2010, 99: 1-10.
  • 7WEI Liying, KENNEDY R A, LAMAHEWA T A. Further results on signal concentration in time-fre- quency[C]//IEEE International Conference on Acous- tics Speech and Signal Processing, 2010: 4082-4085.
  • 8WU Changguo, JIANG Gangxing, ZHU Hongbo. SSA realization for spectrum shaping and NBI sup- pression in cognitive UWB radios[C]//International Conference on Microwave and Millimeter Wave Tech- nology, 2008, 3: 1454-1457.
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引证文献2

二级引证文献5

南京邮电大学学报（自然科学版）
2006年 第2期

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