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Capacity Bounds on the Ergodic Capacity of Distributed MIMO Systems over K Fading Channels
  • KSII Transactions on Internet and Information Systems
    Monthly Online Journal (eISSN: 1976-7277)

Capacity Bounds on the Ergodic Capacity of Distributed MIMO Systems over K Fading Channels

Vol. 10, No. 7, July 30, 2016
10.3837/tiis.2016.07.007, Download Paper (Free):

Abstract

The performance of D-MIMO systems is not only affected by multipath fading but also from shadowing fading, as well as path loss. In this paper, we investigate the ergodic capacity of D-MIMO systems operating in non-correlated K fading (Rayleigh/Gamma) channels. With the aid of majorization and Minkowski theory, we derive analytical closed-form expressions of the upper and lower bounds on the ergodic capacity for D-MIMO systems over non-correlated K fading channels, which are quite general and applicable for arbitrary signal-to-noise ratio (SNR) and the number of transceiver antennas. To intuitively reveal the impacts of system and fading parameters on the ergodic capacity, we deduce asymptotic approximations in the high and low SNR regimes. Finally, we pursue the massive MIMO systems analysis for the lower bound and derive closed-form expressions when the number of antennas at BS grows large, and when the number of antennas at transceivers becomes large with a fixed and finite ratio. It is demonstrated that the proposed expressions on the ergodic capacity accurately match with the theoretical analysis.


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Cite this article

[IEEE Style]
X. Li, J. Wang, L. Li and C. C. Cavalcante, "Capacity Bounds on the Ergodic Capacity of Distributed MIMO Systems over K Fading Channels," KSII Transactions on Internet and Information Systems, vol. 10, no. 7, pp. 2992-3009, 2016. DOI: 10.3837/tiis.2016.07.007.

[ACM Style]
XingWang Li, Junfeng Wang, Lihua Li, and Charles C. Cavalcante. 2016. Capacity Bounds on the Ergodic Capacity of Distributed MIMO Systems over K Fading Channels. KSII Transactions on Internet and Information Systems, 10, 7, (2016), 2992-3009. DOI: 10.3837/tiis.2016.07.007.