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...
电子学报  2004 

单载波频域均衡系统的一种新型导频方案

, PP. 109-113

Keywords: 信道估计,导频,单载波,频域均衡

Full-Text   Cite this paper   Add to My Lib

Abstract:

本文提出了一种全新的适合于单载波频域均衡系统信道估计的导频方案,并分析了其性能.方案通过哈达玛变换和交织实现导频插入,使得导频部分与数据部分即使在多径信道中也无相互间的串扰,从而便于用简便的方法获得准确的信道参数估计.理论分析和仿真结果表明,本文提出的方案系统开销较小,实现简单,且性能良好,有助于在多径时变无线信道中实现高效率的数据传输.

References

[1]  Falconer D,Ariyavisitakul S L,et al.Frequency domain equalization for single-carrier broadband wireless systems[J].Communications Magazine,IEEE,2002,40(4):58-66.
[2]  3GPP TS 25.211 v5.5.0 Physical channels and mapping of transport channels onto physical channels (FDD)(R5)[S].Sep 2003.
[3]  Coleri S,Ergen M,et al.Channel estimation techniques based on pilot arrangement in OFDM systems[J].Broadcasting IEEE Trans,2002,48(3):223-229.
[4]  Ye Li,Cimini L J.Bounds on the interchannel interference of OFDM in time-varying impairments[J].Communications,IEEE Trans,2001,49(3):401-404.
[5]  Morelli M,Mengall U.A comparison of pilot-aided channel estimation methods for OFDM systems[J].Signal Processing,IEEE Trans,2001,49(12):3065-3073.
[6]  Gusmao A,Dinis R,et al.On frequency-domain equalization and diversity combining for broadband wireless communications[J].Communications,IEEE Trans on,2003,51(7):1029-1033.
[7]  Seog Geun Kang,Yong Min Ha,et al.A comparative investigation on channel estimation algorithms for OFDM in mobile communications[J].Broadcasting,IEEE Trans,2003,49(2):142-149.
[8]  Ariyavisitakul S L,Benyamin-Seeyar A,et al.White Paper:Frequency Domain Equalization for Single-Carrier Broadband Wireless Systems[EB/OL].http://www.sce.carleton.ca/bbw/papers/Ariyavisitakul.pdf
[9]  3GPP TS 25.213 v.5.4.0 Spreading and modulation (FDD) (R5)[S].Sep 2003.
[10]  Chang Ming-Xian,Su Yu T.Performance analysis of equalized OFDM systems in Rayleigh fading[J].Wireless Communications,IEEE Trans,2002,1(4):721-732.
[11]  Commission of the European.Communities.Digital Land Mobile Radio Communications-COST 207[R].luxembourg,Belgium:ETSI Official Publications,1989.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133