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Spectral and Energy Efficiencies of Millimeter Wave MIMO With Configurable Hybrid Precoding

Zhong Zheng1, Hamid Gharavi2

  • 1Advanced Network Technologies Division, National Institute of Standards and Technology, Gaithersburg, MD 20899 USA. He is now with the School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China.

IEEE Transactions on Vehicular Technology
|October 4, 2019
PubMed
Summary

This study explores hybrid precoding in millimeter wave (mmWave) massive MIMO systems, optimizing RF chain activation for spectral and energy efficiency. Results show distinct optimal configurations for high and low signal-to-noise ratios (SNRs), with single RF chain analog beamforming being optimal for low SNRs.

Keywords:
Millimeter waveenergy efficiencyhybrid precodingmassive MIMOrandom matrix theory

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