Hybrid beamforming with two bit RF phase shifters in single group multicasting

@article{Demir2016HybridBW,
  title={Hybrid beamforming with two bit RF phase shifters in single group multicasting},
  author={Ozlem Tugfe Demir and Temel Engin Tuncer},
  journal={2016 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)},
  year={2016},
  pages={3271-3275}
}
In this paper, an efficient hybrid beamforming architecture combining analog and digital beamforming is proposed to reduce the number of radio frequency (RF) chains. It provides a good compromise between the higher degree of freedom of digital beamforming and hardware cost and complexity. In this hybrid system, two bit RF phase shifters are used as analog beamformers due to the fact that this enables the conversion of the combinatorial optimization problem to a continuous programming… CONTINUE READING

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