Analysis and optimization of interference nulling in downlink multi-antenna HetNets with offloading

@article{Wu2015AnalysisAO,
  title={Analysis and optimization of interference nulling in downlink multi-antenna HetNets with offloading},
  author={Yueping Wu and Ying Cui and Bruno Clerckx},
  journal={2015 IEEE International Conference on Communications (ICC)},
  year={2015},
  pages={2457-2462}
}
Heterogeneous networks (HetNets) with offloading is considered as an effective way to meet the high data rate demand of future wireless service. However, the offloaded users suffer from strong inter-tier interference, which reduces the benefits of offloading and is one of the main limiting factors of the system performance. In this paper, we investigate the use of an interference nulling (IN) beamforming scheme to improve the system performance by carefully managing the inter-tier interference… CONTINUE READING
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