RLN衰落下D-MIMO系统遍历容量上边界

doi:10.3969/j.issn.1001-2400.2016.04.020

Abstract

Abstract:

An analytical upper bound is presented for the ergodic capacity of distributed multiple-input multiple-output (D-MIMO) systems operating in Rayleigh/Lognormal fading with double-sided spatial correlation. A new inequality is constructed by sub-matrix expansion, and then the difficulty in averaging the channel eigen-statistics over the shadowing distribution is resolved. The proposed upper bound is applicable for the arbitrary number of receive and transmit antennas and remains tight over the entire Signal-to-Noise regime. The validity of the conclusion is verified by compu- ter simulation. When the number of receive and transmit nodes is one, the lower bound reduces to the bound on the ergodic capacity of point to point MIMO systems operating in Rayleigh/Lognormal fading with double-sided spatial correlation.

Key words: communication systems, fading channels, MIMO, distributed system, ergodic capacity

WANG Yongping;CAO Hanqiang;WANG Anwen. Upper bound on the ergodic capacity of D-MIMO systems in double-sidedcorrelated Rayleigh/Lognormal fading channels[J].Journal of Xidian University, 2016, 43(4): 111-116+153.

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Upper bound on the ergodic capacity of D-MIMO systems in double-sidedcorrelated Rayleigh/Lognormal fading channels

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