基于叠加训练序列的OFDM信道估计
摘要
为准确地估计OFDM信道,同时提高带宽传输效率,文章提出了基于叠加训练序列的信道估计方法,给出了基于训练序列的OFDM系统基带模型和算法。仿真结果显示,本文所提方法能达到很好的MSE和BER信道估计性能。
出处
《移动通信》
2008年第16期75-78,共4页
Mobile Communications
基金
国家自然科学基金项目资助(60572039)
参考文献10
-
1F B Fredericksen, R Prasad. An Overview Related Techniques Wireless Multimedia towards Development Communications[C]. of OFDM and of Future Radio and Wireless Conference, IEEE. Aug 2002:19-22.
-
2S Coleri,M Ergen, h. Puri,et al. Channel Estimation Techniques Based on Pilot Arrangement in OFDM Systems[J]. IEEE Transactions on Broadcasting.2002, 27 (3) : 223-229.
-
3H Liu, G Xu, L Tong, et al. Recent Developments in Blind Channel Equalization:From Cyclostationarity to Subspaces[J]. IEEE Transactions on signal Processing. 1996,50(1):83-99.
-
4B Muquet,M de Courville, P Duhamel. Subspace based Blind and Semi-blind Channel Estimation for OFDM Systems[J]. IEEE Transactions on Signal Processing. 2002,50(7):1699-1712.
-
5A Petropulu, R Zhang, R Lin. Blind OFDM Channel Estimation through Simple Linear Precoding[J].IEEE Transactions on Wireless Communications,2004, 3 (2): 647-655.
-
6A G Orozco-Lugo. Channei Estimation Using Implicit Training[J]. IEEE Trans. Signal Processing. 2004,52:240-254.
-
7Tugnait J K, Luo W. On Channel Estimation Using Superimposed Training and First-Order Statistics[J]. IEEE Communications Letters, 2003,7(9): 413-415.
-
8Daofeng Xu, Luxi Yang, Zhenya He. Superimposed Training Aided Channel Estimation in OFDM System[C]. ISPACS 2005, Hong Kong: IEEE Press, 2005:225-228.
-
9Ning Chen, Zhou G T. What Is the Price Paid for Superimposed Training in OFDM[C]. ICASSP. IEEE Press, 2004 (4): 421-424.
-
10Shuangchi He, Jitendra K. Tugnait. Doubly- Selective Channel Estimation Using Superimposed Training and Discrete Prolate Spheroidal Basis Models[C]. GLOBECOM'06, San Francisco:IEEE Press, 2006:1-6.
-
1王兰勋,刘洪亮.针对时变OFDM信道的一种盲估计改进算法[J].计算机工程与应用,2013,49(3):88-90. 被引量：1
-
2佟卫华.采用循环前缀的OFDM信道盲估计算法[J].电子科技大学学报,2008,37(3):370-373. 被引量：2
-
3廖日坤,庄蔚然,张立民.基于FFT实现的OFDM信道调制解调的仿真与研究[J].南开大学学报（自然科学版）,2007,40(6):91-94.
-
4于聪梅,曾勇,许淑伟.一种变速率多通道信道编码的研究[J].科技风,2012(9):7-7.
-
5朱琦,叶芳,刘钧雷,酆广增.LDPC码在802.16a OFDM系统衰落信道中的性能分析[J].电子学报,2005,33(4):624-628. 被引量：4
-
6方承志.无线正交频分复用系统信道序惯盲检测[J].江苏通信,2011,27(2):49-52.
-
7齐巍,常青,张其善,修春娣.基于无人机下行链路的OFDM信道估计研究[J].航空科学技术,2009(4):33-36.
-
8王正洪,曹雪虹.快时变OFDM信道下的信道跟踪[J].电力系统通信,2008,29(6):53-56.
-
9王正洪,曹雪虹.快时变OFDM信道下的信道跟踪[J].科技信息,2008(11):53-54.
-
10丁金忠,黄焱,李浩.基于粒子滤波的OFDM盲信道估计方法[J].计算机应用研究,2012,29(9):3376-3378. 被引量：2
