Abstract
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.
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