@manual{EURECOM+8564,
  title = {Precoding matrix indicator in the 5G NR protocol: A tutorial on 3GPP beamforming codebooks},
  author = {Ning, Boyu and  Yin, Haifan and  Liu, Sixu and  Deng, Hao and  Yang, Songjie and  Zhang, Yuchen and  Mei, Weidong and  Gesbert, David and  Park, Jaebum and  Heath Jr., Robert W and  Björnson, Emil},
  year = {2026},
  note = {© 2026 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.},
}