Beamforming-based spatial precoding in FDD massive MIMO systems

  title={Beamforming-based spatial precoding in FDD massive MIMO systems},
  author={Ming-Fu Tang and Meng-Ying Lee and B. Su and Chia-Pang Yen},
  journal={2014 48th Asilomar Conference on Signals, Systems and Computers},
  • Ming-Fu Tang, Meng-Ying Lee, +1 author Chia-Pang Yen
  • Published 2014
  • Engineering, Computer Science
  • 2014 48th Asilomar Conference on Signals, Systems and Computers
  • 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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