[1]解武,曹家年,刘世航,等.IEEE 802.15.4a信道对UWB功率谱影响分析[J].深圳大学学报理工版,2010,27(1):43-48.
 XIE Wu,CAO Jia-nian,LIU Shi-hang,et al.Power spectrum density of UWB signals in IEEE 802.15.4a[J].Journal of Shenzhen University Science and Engineering,2010,27(1):43-48.
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IEEE 802.15.4a信道对UWB功率谱影响分析()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第27卷
期数:
2010年1期
页码:
43-48
栏目:
光电与信息工程
出版日期:
2010-01-31

文章信息/Info

Title:
Power spectrum density of UWB signals in IEEE 802.15.4a
文章编号:
1000-2618(2010)01-0043-06
作者:
解武1曹家年1刘世航12吕学龙1
1.哈尔滨工程大学信息与通信工程学院,哈尔滨 150001
2.华为赛门铁克科技有限公司,北京 100085
Author(s):
XIE Wu1CAO Jia-nian1LIU Shi-hang12and LU Xue-long1
1)Information & Communication Engineering College,Harbin Engineering University,Harbin 150001,P.R.China
2)Huawei Symantec Technologies Co Ltd,Beijing 100085,P.R.China
关键词:
通信技术超宽带功率谱IEEE 802.15.4a信道多路径干扰路径损耗
Keywords:
communication technologyultra widebandpower spectrumIEEE 802.15.4a channel modelingmultipath interferencepathloss
分类号:
TN 914.2
文献标志码:
A
摘要:
研究超宽带功率谱密度,从路径损耗模型、多路径模型和小尺度衰落模型方面分析IEEE 802.15.4a工作组信道模型.采用直接序列脉冲(direct-sequence pulse-amplitude modulation, DSP-PAM)超宽带(ultra-wideband, UWB)系统的信道响应,仿真分析了8种信道对2~10 GHz超宽带系统功率谱分布情况. 仿真结果表明,多路径信道对UWB功率谱影响不大,脉冲UWB具有抗多路径干扰能力强的特点.
Abstract:
The impulse ultra-wideband (UWB) channels cover the frequency range from 2 to 10 GHz,in indoor residential,indoor office,industrial,and open outdoor environments.UWB communications systems share the spectrum with other systems in an unlicensed manner.This has caused a strict spectral constraint.In order to describe power spectrum distribution,the channel modeling subgroup of IEEE 802.15.4a was analysed from three aspects:the average pathloss,the power delay profile and the small-scale fading statistics.Theoretical analysis and simulation of the 2~10 GHz power spectrum distribution of UWB system wss described in detail.The power spectrum influence of 8 channels upon DS-PAM UWB system was analyzed.Simulation results show that the performance of UWB system is not deteriorated by multi-path channels,and the impulse UWB performs better in anti-multipath interference.

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备注/Memo

备注/Memo:
收稿日期:2009-08-24;修回日期:2009-12-16
基金项目:国家自然科学基金资助项目(60772129)
作者简介:解武(1969-),男(汉族),黑龙江哈尔滨市人,哈尔滨工程大学博士研究生.E-mail:xiewu@hrbeu.edu.cn
通讯作者:曹家年(1948-),男(汉族),哈尔滨工程大学研究员、博士生导师.E-mail:caojianian@hrbeu.edu.cn
更新日期/Last Update: 2010-02-06