3d Mu-Mimo Transmission In Lte-A Downlink Systems

Wei Guo,Jiancun Fan,Geoffrey Ye Li,Qinye Yin,Xiaolong Zhu,Yusun Fu

2016 IEEE Wireless Communications and Networking Conference（2016）

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摘要

In this paper, we investigate three-dimensional (3D) multi-user (MU) multiple-input multiple-output (MIMO) transmission for long term evolution advanced (LTE-A) downlink systems. We investigate some key techniques for 3D MU-MIMO to improve the performance of LTE-A systems, including rank and precoding matrix (PM) determination and user pairing. To reduce the complexity caused by a large number of co-scheduled users in 3D MU-MIMO, we develop a simplified and high efficient 3D MU-MIMO scheduling algorithm. The performance improvement of the proposed algorithm is demonstrated by system level simulation.

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关键词

three-dimensional MU-MIMO transmission,LTE-A downlink system performance improvement,3D multiuser multiple-input multiple-output transmission,Long Term Evolution Advanced downlink system,rank matrix,precoding matrix,user pairing,co-scheduled users,3D MU-MIMO scheduling algorithm,system level simulation

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