An adaptive channel tracking method for MIMO-OFDM systems

被引：3
|
作者：
Jun, T [1 ]
Gong, YH [1 ]
Sun, SX [1 ]
机构：
[1] City Univ Hong Kong, Dept Elect Engn, Kowloon, Hong Kong, 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：
space frequency codes; MIMO-OFDM; adaptive channel tracking;
D O I：
10.1109/ICCCAS.2004.1346098
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
The tracking of time-varying channel is crucial for MIMO-OFDM wireless communication systems. In this paper aiming at the double-selective fading MIMO channels, a novel pilot pattern and the according adaptive channel tracking algorithm are presented. Compared with the traditional pilot patterns, the new pattern has higher frequency efficiency and is more suitable for large transmit arrays. The computation complexity, frequency efficiency and BER performance of the system assisted by the proposed channel tracking scheme are analyzed. Simulation results demonstrate that the proposed scheme can track the time varying channel effectively.
引用
收藏
页码：354 / 358
页数：5
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