On the bounds of correlated rayleigh channel capacity with geometrical MIMO channel model

Author

Li, Yonghua ; He, Zhiqiang ; Lin, Jiaru ; Lv, Tiejun

Author_Institution

Key Lab. of Universal Wireless Comunications, Beijing Univ. of Posts & Telecommun., Beijing, China

fYear

2010

fDate

24-26 Sept. 2010

Firstpage

849

Lastpage

853

Abstract

MIMO system has been proven to provide higher capacity that is linear increase with the number of antennas. But this is true only in independent conditions, when the spatial-temporal fading correlation exists, the capacity may vary. In the study, the geometrical MIMO channel model is presented. Based on the formula of MIMO ergodic capacity, the capacity limits are investigated with arbitrary finite number of antennas. It first derives the exact expressions for the upper and lower bounds in doubly correlated MIMO channels. Then a simple expression for the capacity bounds is attained for the high SNR. Finally, some results are provided by Monte Carlo simulation to verify the tightness of the derived bounds.

Keywords

MIMO communication; Rayleigh channels; MIMO ergodic capacity; MIMO system; correlated Rayleigh channel capacity; doubly correlated MIMO channels; geometrical MIMO channel model; lower bounds; spatial-temporal fading correlation; upper bounds; Correlation; Fading; MIMO; Receiving antennas; Signal to noise ratio; MIMO; bounds; capacity; correlation;

fLanguage

English

Publisher

ieee

Conference_Titel

Network Infrastructure and Digital Content, 2010 2nd IEEE International Conference on

Conference_Location

Beijing

Print_ISBN

978-1-4244-6851-5

Type

conf

DOI

10.1109/ICNIDC.2010.5657915

Filename

5657915