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    Rights statement: This is the peer reviewed version of the following article: Ge, X., Wang, H., Zi, R., Li, Q., and Ni, Q. (2016) 5G multimedia massive MIMO communications systems. Wirel. Commun. Mob. Comput., 16: 1377–1388. doi: 10.1002/wcm.2704 which has been published in final form at http://onlinelibrary.wiley.com/doi/10.1002/wcm.2704/abstract This article may be used for non-commercial purposes in accordance With Wiley Terms and Conditions for self-archiving.

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5G multimedia massive MIMO communications systems

Research output: Contribution to journalJournal article

Published
  • Xiaohu Ge
  • Haichao Wang
  • Ran Zi
  • Qiang Li
  • Qiang Ni
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<mark>Journal publication date</mark>16/08/2016
<mark>Journal</mark>Wireless Communications and Mobile Computing
Issue number11
Volume16
Number of pages12
Pages (from-to)1377-1388
Publication statusPublished
Early online date29/06/16
Original languageEnglish

Abstract

In the fifth generation (5G) wireless communication systems, a majority of the traffic demands are contributed by various multimedia applications. To support the future 5G multimedia communication systems, the massive multiple-input multiple-output (MIMO) technique is recognized as a key enabler because of its high spectral efficiency. The massive antennas and radio frequency chains not only improve the implementation cost of 5G wireless communication systems but also result in an intense mutual coupling effect among antennas because of the limited space for deploying antennas. To reduce the cost, an optimal equivalent precoding matrix with the minimum number of radio frequency chains is proposed for 5G multimedia massive MIMO communication systems considering the mutual coupling effect. Moreover, an upper bound of the effective capacity is derived for 5G multimedia massive MIMO communication systems. Two antennas that receive diversity gain models are built and analyzed. The impacts of the antenna spacing, the number of antennas, the quality-of-service (QoS) statistical exponent, and the number of independent incident directions on the effective capacity of 5G multimedia massive MIMO communication systems are analyzed. Comparing with the conventional zero-forcing precoding matrix, simulation results demonstrate that the proposed optimal equivalent precoding matrix can achieve a higher achievable rate for 5G multimedia massive MIMO communication systems.

Bibliographic note

This is the peer reviewed version of the following article: Ge, X., Wang, H., Zi, R., Li, Q., and Ni, Q. (2016) 5G multimedia massive MIMO communications systems. Wirel. Commun. Mob. Comput., 16: 1377–1388. doi: 10.1002/wcm.2704 which has been published in final form at http://onlinelibrary.wiley.com/doi/10.1002/wcm.2704/abstract This article may be used for non-commercial purposes in accordance With Wiley Terms and Conditions for self-archiving.