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- W2034768305 abstract "Non-orthogonal multiple access (NOMA) is a promising radio access technique for further cellular enhancements toward the 5th generation (5G) mobile communication systems. Single-user multiple-input multiple-output (SU-MIMO) is one of the key technologies in long term evolution (LTE) /LTE-Advanced systems. It is proved that NOMA combined with SU-MIMO techniques can achieve further system performance improvement. In this paper, we focus on the impact of rank optimization on the performance of NOMA with SU-MIMO in downlink. Firstly, a geometry based rank adjustment method is studied. Secondly, an enhanced feedback method for rank adjustment is discussed. The simulation results show that the performance gain of NOMA improves with the proposed two rank adjustment methods. Compared to orthogonal access system, large performance gains can be achieved for NOMA, which are about 23% for cell average throughput and 33% for cell-edge user throughput." @default.
- W2034768305 created "2016-06-24" @default.
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- W2034768305 date "2014-11-01" @default.
- W2034768305 modified "2023-09-29" @default.
- W2034768305 title "Impact of rank optimization on downlink non-orthogonal multiple access (NOMA) with SU-MIMO" @default.
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- W2034768305 doi "https://doi.org/10.1109/iccs.2014.7024800" @default.
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