全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

小波变换在OFDM系统频偏估计中的应用

, PP. 68-72

Keywords: 正交频分复用,频偏估计,多普勒频移,小波变换

Full-Text   Cite this paper   Add to My Lib

Abstract:

提出了一种基于小波变换的正交频分复用(OFDM)系统频偏估计的新方法,这种方法与其他频偏估计方法的不同在于,它不需要知道不稳定信号的平均接收功率,也不需要变化的时间观察窗,仿真显示,它可以跟踪频偏的变化,具有自适应特性,估计方法简单易行,且精度较高。

References

[1]  Won Gi Jeon. An equalization technique for OFDM and MC-CDMAin a time-varying multipath fading channels[J]. IEEE International Conference,ICASSP-97,1997,3:2 529-2 532.
[2]  Zhao Y. Sensitivity to Doppler shift and carrier frequency errors inOFDM system the consequences and solution[J]. Vehicular Technology Conference,IEEE 46th,1996,3:1 564-1 568.
[3]  Seaton, K A. Polynominal cancellation coding and finite differences[J]. Information Theory,IEEE Transactions,2000,46:311-313.
[4]  Visser M A. A novel method for blind frequency offset correction in an OFDM system[J]. Indoor Mobile Radio Communication,IEEE Internation Symposium,1998,2:816-820.
[5]  Patel S, Cimini L J, McNair B. Comparison of frequency offset estimation techniques for burst OFDM[J]. Vehicular Technology Conference, IEEE 55th, 2002, 2:772-776.
[6]  Ravi Narasimhan, Donald C Cox. Speed estimation in wireless systems using wavelets[J]. IEEE Trans,1999,47(19):1 357-1 363.
[7]  刘静. 小波变换在OFDM系统频偏估计中的应用[D]. 北京:北京邮电大学,2003.
[8]  Liu Jing. Frequency offset estimation in the OFDM system using wavelets transform[D]. Beijing: Beijing University of Posts and Telecommunications, Beijing 2003.
[9]  袁超伟,陈佳芳.二尺度伸缩方程的解存在的条件[J].北京邮电大学学报,1999,22(4):30-33.
[10]  Yuan Chaowei, Chen Jiafang. Existential condition guaranteeing the solution of the two-scale difference equations[J]. Journal of Beijing University of Posts and Telecommunications, 1999,22(4):30-33.
[11]  Morelli M, Mengli. An improved frequency offset estimator for OFDM application[J]. IEEE Commun Letters,1999,45(8):75-77.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133