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Oguejiofor, OS; Zhang, LX (2016)
Publisher: IEEE
Languages: English
Types: Other
Subjects:
Heterogeneous cellular networks (HetNets) is key technology in 5G used to tackle the ever increasing demand of data rate. The most critical problem of HetNet is interference. In this paper, we utilize the coordinated beamforming technique to mitigate the interference problem. We also suggest that reference signal receive power (RSRP) based cell association scheme has limitation when applied to multi-tier cellular networks. Therefore, we propose a new cell selection approach for HetNets, which is based on average channel gain. Simulation results of our designed beamformers show improvement over other schemes in terms of achievable information rates per cell.
  • The results below are discovered through our pilot algorithms. Let us know how we are doing!

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    • [7] Szu and H. Harold, “Non-convex optimization,” in proc of the 30th Annual SPIE, vol. 698, pp. 59-67, 1986.
    • [8] A.Tarighat, M.Sadek,and A.Sayed, “A multi user beamforming scheme for downlink MIMO channels based on maximizing signal-to-leakage ratios,” in proc. IEEE Int. Conf. Commun., (ICASSP), Vol. 3, pp. 1129-1132, mar. 2005.
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