485 citations · 1.2k across the 16 of their papers we have counts for
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cs.IT2020★ 5 cited
Energy Efficiency Optimization for NOMA UAV Network with Imperfect CSI
Haijun Zhang, Jianmin Zhang, Keping Long
Unmanned aerial vehicles (UAVs) are developing rapidly owing to flexible deployment and access services as air base stations. However, the channel errors of low-altitude communicat…
eess.SP2020★ 6 cited
Energy Efficient User Clustering, Hybrid Precoding and Power Optimization in Terahertz MIMO-NOMA Systems
Haijun Zhang, Haisen Zhang, Wei liu +3
Terahertz (THz) band communication has been widely studied to meet the future demand for ultra-high capacity. In addition, multi-input multi-output (MIMO) technique and non-orthogo…