Analysis of pilot-symbol aided channel estimation for MIMO-OFDM systems

被引：3
|
作者：
Zhang, H [1 ]
Chen, JM [1 ]
Tang, YX [1 ]
Li, SQ [1 ]
机构：
[1] Univ Elect Sci & Technol China, Natl Key Lab Commun, Chengdu 610054, Peoples R China
来源：
2004 INTERNATIONAL CONFERENCE ON COMMUNICATION, CIRCUITS, AND SYSTEMS, VOLS 1 AND 2: VOL 1: COMMUNICATION THEORY AND SYSTEMS | 2004年
关键词：
MIMO; OFDM; channel estimation; MSE;
D O I：
10.1109/ICCCAS.2004.1346070
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
Multiple transmit and receive antennas can be used to form multiple-input multiple-output (MIMO) channels to increase the capacity by a factor of the minimum number of transmit and receive antennas. Orthogonal frequency division multiplexing (OFDM) for MIMO channels (MIMO-OFDM) can improve, the performance,by mitigating intersymbol interference and. enhancing system capacity. This paper investigates pilot-symbol aided channel estimation (PSACE) for MIMO-OFDM systems. Two approaches are investigated, first, zero, pilot pattern, use: all available pilot symbols simultaneously; second, nonzero pilot pattern is allocated for each transmit antenna exclusively. The Wiener filters are derived for both approaches.
引用
收藏
页码：299 / 303
页数：5
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