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A dynamic scheduling scheme for CoMP in downlink FD-MIMO transmission

机译：下行FD-MIMO传输中CoMP的动态调度方案

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Full dimension MIMO (FD-MIMO) technique has attracted considerable attention in both academia and industry as a potential candidate technology in 5G. It is able to enhance the performance of wireless communication system such as throughput, spectral efficiency and energy efficiency due to the exploitation of additional spatial freedom degrees. Meanwhile, coordinated multiple points (CoMP) technique is also a promising technology in Long Term Evolution (LTE). Through coordinated processing, the throughput of cell-edge users can be improved significantly. In this paper, we propose a dynamic scheduling scheme with signal leakage to noise ratio (SLNR) precoding for CoMP in downlink FD-MIMO transmission. First, the possible CoMP UE is searched dynamically with low signal to interference plus noise ratio (SINR) that requires coordination with other base-stations (BS). Second, the possible CoMP BS is searched semi-dynamically to provide enough gain for users. Simulation results show that the proposed scheme achieves almost the same performance as the full joint processing (JP) scheme, but with a significant reduction of computational complexity.
机译：作为5G潜在的候选技术，全尺寸MIMO（FD-MIMO）技术已在学术界和工业界引起了相当大的关注。由于利用了额外的空间自由度，它能够增强无线通信系统的性能，例如吞吐量，频谱效率和能量效率。同时，协作多点（CoMP）技术也是长期演进（LTE）中的有前途的技术。通过协调处理，可以显着提高小区边缘用户的吞吐量。本文针对下行FD-MIMO传输中的CoMP提出了一种具有信噪比（SLNR）预编码的动态调度方案。首先，以低信噪比（SINR）动态搜索可能的CoMP UE，这需要与其他基站（BS）进行协调。其次，半动态搜索可能的CoMP BS，以为用户提供足够的增益。仿真结果表明，所提出的方案实现了与全联合处理（JP）方案几乎相同的性能，但显着降低了计算复杂度。

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