Beamforming-based spatial precoding in FDD massive MIMO systems

@article{Tang2014BeamformingbasedSP,
  title={Beamforming-based spatial precoding in FDD massive MIMO systems},
  author={Ming-Fu Tang and Meng-Ying Lee and Borching Su and Chia-Pang Yen},
  journal={2014 48th Asilomar Conference on Signals, Systems and Computers},
  year={2014},
  pages={2073-2077}
}
In order to enable frequency-division duplex (FDD) massive multiple-input-multiple-output (MIMO) systems, a beam-grouping, precoding and feedback scheme is proposed to reduce the downlink training overhead and channel state information (CSI) feedback overhead. When the number of transmit antennas on a base station (BS) is growing large, the downlink training overhead for CSI estimation and the CSI feedback overhead are growing tremendously. In addition to the downlink training overhead… CONTINUE READING

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