ML-based Iterative Channel And Spatial Covariance Estimation in Asynchronous Interference Environment for OFDMA System

被引:0
作者
Jang, Jun Hee [1 ]
Han, Jung Su [1 ]
Kim, Sung Soo [2 ]
Choi, Hyung-Jin [1 ]
机构
[1] Sungkyunkwan Univ, Sch Informat & Commun Engn, Suwon, South Korea
[2] Samsung Elect Co Ltd, Telecommun R&D Ctr, Seoul, South Korea
来源
2009 IEEE INTERNATIONAL CONFERENCE ON CONSUMER ELECTRONICS | 2009年
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中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
To mitigate the asynchronous ICI (Inter-Cell Interference), the CFR (Channel Frequency Response) and SCM (Spatial Covariance Matrix) should be accurately estimated. Therefore, we propose the ML (Maximum Likelihood)-based iterative method which can effectively reduce the estimation error of both CFR and SCM, and improve the performance for OFDMA system such as LTE (3GPP Long Term Evolution).
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页码:259 / +
页数:2
相关论文
共 5 条
[1]  
*3GPP WGI, 2008, 36211 TS 3GPP WGI, P51
[2]   Iterative MIMO ML detection with on-line initialization selection for unknown channels and unstructured asynchronous interference [J].
Kuzminskiy, AM .
2003 IEEE 58TH VEHICULAR TECHNOLOGY CONFERENCE, VOLS1-5, PROCEEDINGS, 2003, :617-621
[3]   A channel estimation method based on frequency-domain pilots and time-domain processing for OFDM systems [J].
Li, MQ ;
Tan, JG ;
Zhang, WJ .
IEEE TRANSACTIONS ON CONSUMER ELECTRONICS, 2004, 50 (04) :1049-1057
[4]   Asynchronous co-channel interference suppression in MIMO OFDM systems [J].
Li, Qiang ;
Zhu, Jing ;
Guo, Xingang ;
Georghiades, C. N. .
2007 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, VOLS 1-14, 2007, :5744-+
[5]  
SEO JW, 2007, IEEE ADV COMM TECHN, P23