On the bounds of frequency-selective channel capacity with doubly correlated geometrical MIMO channel model

被引：0
|
作者：
Li Y.-H. [1 ]
Lü T.-J. [1 ]
Wu X.-F. [1 ]
Zhang L. [1 ]
机构：
[1] Key Laboratory of Universal Wireless Communications, Ministry of Education, Beijing University of Posts and Telecommunications
来源：
Journal of China Universities of Posts and Telecommunications | 2010年 / 17卷 / 02期
基金：
中国国家自然科学基金;
关键词：
bounds; capacity; correlation; MIMO;
D O I：
10.1016/S1005-8885(09)60438-6
中图分类号：
学科分类号：
摘要：
The multi-input multi-output (MIMO) technology plays an important role in link transmissions. This article considers the general case for the ergodic capacity in doubly correlated frequency-selective MIMO channel. In the study, the geometrical MIMO channel model is presented. Based on the formula of MIMO ergodic capacity, the capacity limits are studied with arbitrary finite number of antennas in the frequency-selective MIMO channel. It first derives the exact expressions for the upper bound and lower bound in doubly correlated MIMO channel. The results for the single-ended correlation and independent identically distributed (i.i.d.) MIMO channel are also obtained as special cases. Then the simple expressions of the capacity bounds are attained at high SNR. Finally, results are provided by Monte Carlo simulations to verify the tightness of the derived bounds. © 2010 The Journal of China Universities of Posts and Telecommunications.
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页码：8 / 13
页数：5
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