Spatially Sparse Precoding in Millimeter Wave MIMO Systems

  title={Spatially Sparse Precoding in Millimeter Wave MIMO Systems},
  author={Omar El Ayach and S. Rajagopal and S. Abu-Surra and Zhouyue Pi and R. Heath},
  journal={IEEE Transactions on Wireless Communications},
  • Omar El Ayach, S. Rajagopal, +2 authors R. Heath
  • Published 2014
  • Computer Science, Mathematics
  • IEEE Transactions on Wireless Communications
  • Millimeter wave (mmWave) signals experience orders-of-magnitude more pathloss than the microwave signals currently used in most wireless applications and all cellular systems. MmWave systems must therefore leverage large antenna arrays, made possible by the decrease in wavelength, to combat pathloss with beamforming gain. Beamforming with multiple data streams, known as precoding, can be used to further improve mmWave spectral efficiency. Both beamforming and precoding are done digitally at… CONTINUE READING
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