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超宽带冲激无线电性能比较 被引量：8

Performance Comparison of Ultra Wideband Impulse Radio
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摘要 介绍了超宽带冲激无线电跳时脉冲位置调制、跳时脉冲幅度调制和直接序列超宽带三种调制方式的信号模型,重点分析和比较了三种调制信号在加性高斯白噪声信道和单频干扰下的误码率特性,并对加性高斯白噪声信道中的误码率性能进行了计算机仿真。分析与仿真结果表明,在加性高斯白噪声信道中,跳时脉冲幅度调制和直接序列超宽带的误码率性能优于跳时脉冲位置调制;超宽带冲激无线电技术在信噪比条件下还具有较好的抗干扰性能。 This paper introduces time-hopping pulse-position-modulation, binary time-hopping pulse-amplitude-modulation and direct sequence ultra wideband first. Then we analyze the bit error rate performances of the three Ultra Wideband radio models in additive white Gaussian noise and in the presence of single-tone jamming and the results obtained are compared by theoretic analysis and computer simulation. The simulation results show that the Ultra Wideband radio is of good performance in low SNR indeed, and the bit error rate performances of binary time-hopping pulse-amplitude-modulation and direct sequence ultra wideband schemes are better than that of time-hopping pulse-position-modulation scheme.
作者 岳光荣 李少谦
机构地区 电子科技大学通信抗干扰技术国家级重点实验室
出处 《电子科技大学学报》 EI CAS CSCD 北大核心 2003年第5期477-480,共4页 Journal of University of Electronic Science and Technology of China
基金 国家自然科学基金 编号:60272083 国家863计划资助项目 编号:2003AA123250
关键词 超宽带无线电 扩谱通信 跳时 单频干扰 ultra wideband radio spread-spectrum communications time-hopping singletone jamming
分类号 TN973.3 [电子电信—信号与信息处理]
  • 相关文献

参考文献4

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二级参考文献16

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共引文献29

同被引文献30

  • 1李耀民,周正.无线超宽带调制方式现状与展望[J].通信技术,2003,36(10):48-50. 被引量：6
  • 2张恩展,李韧,王莉.超宽带频率依赖性信道模型下的PAM和PPM性能比较[J].信息通信,2007,20(4):14-17. 被引量：1
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  • 10WIN M Z, SCHOLTZ R A. Ultra-wide bandwidth time-hopping spread-spectrum impulse radio for wireless multiple-access communications[J]. IEEE Trans on Commun, 2000, 48(4): 679-691.

引证文献8

二级引证文献39

电子科技大学学报
2003年 第5期

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