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- W1489595581 abstract "Beamforming (BF) is an effective method to restrain interference in cellular communication systems. Steering beam direction in 3D space can improve useful signal power that user equipments (UEs) received and eliminate interference effectively. In this paper, we focus on how to choose 3D-BF angles of beam and propose a cooperative angle selecting scheme based on maximum signal to leakage plus noise ratio (SLNR) (CAS-MSLNR) to increase sum throughput of Heterogeneous Network (HetNet). In the proposed scheme, 3D-BF angles of every node in the same group node (GN) are chosen preliminarily by centralized coordination method to restrain intra-GN interference. Then, in each GN, the macro cell base station (MBS) adjusts the 3D-BF angles to maximize SLNR. Simulation result demonstrates that CAS-MSLNR 3D-BF outperforms 2D-BF and UE-specific 3D-BF in terms of sum throughput and cell-edge throughput." @default.
- W1489595581 created "2016-06-24" @default.
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- W1489595581 date "2014-11-01" @default.
- W1489595581 modified "2023-09-26" @default.
- W1489595581 title "A 3D-beamforming scheme for throughput optimization in Heterogeneous Network" @default.
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- W1489595581 doi "https://doi.org/10.1109/ccis.2014.7175733" @default.
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