PILOT-AIDED CHANNEL ESTIMATION IN ANGLE DOMAIN FOR MIMO-OFDM SYSTEMS

摘要：

This paper presents a phase shifted orthogonal angle-domain LS (PSO-ALS) algorithm for the estimation of frequency-selective channels in MIMO-OFDM systems. For angle domain, MIMO channels can be assumed to be independent. Thus, most significant taps (MST) technique in angle domain is used to improve classical phase shifted orthogonal LS (PSO-LS) algorithm which is designed based on minimizing channel estimation mean square error (MSE). The proposed algorithm which is simulated under different channel models has low complexity without the need of prior knowledge of channel correlation.Simulation results show that the proposed PSO-ALS algorithm perform good mean square error (MSE) performance under outdoor channel models.

关键词： Multiple-input multiple-output Orthogonal frequency division multiplezing Angle domain Least squares Phase shifted orthogonal

作者: PENG XU JINKUAN WANG FENG QI

作者单位: Northeastern University School of Information Science and Engineering at Northeastern University, China Department of Electrical Engineering (ESAT), Katholieke Universiteit Leuven, Belgium

会议类型: 国际会议

会议名称: The Second International Conference on Information & Systems Sciences(ICISS2008)(第二届信息与系统科学国际会议)

会议地点: 大连

会议语种:英文

页码: 719-725

在线出版日期: 2008-12-18（万方平台首次上网日期，不代表论文的发表时间）