Energy-efficient future wireless networks: A marriage between massive MIMO and small cells

@article{Bjrnson2015EnergyefficientFW,
  title={Energy-efficient future wireless networks: A marriage between massive MIMO and small cells},
  author={Emil Bj{\"o}rnson and Luca Sanguinetti and Marios Kountouris},
  journal={2015 IEEE 16th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC)},
  year={2015},
  pages={211-215}
}
How would a cellular network designed for high energy efficiency look like? To answer this fundamental question, we model cellular networks using stochastic geometry and optimize the energy efficiency with respect to the density of base stations, the number of antennas and users per cell, the transmit power levels, and the pilot reuse. The highest efficiency is neither achieved by a pure small-cell approach, nor by a pure massive MIMO solution. Interestingly, it is the combination of these… CONTINUE READING
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