V. . Khoi Dinh, M. . Tuan Le, V. . Duc Ngo, X. . Nam Tran, and C. . Hieu Ta, “Transmit Antenna Selection Aided Linear Group Precoding for Massive MIMO Systems”, EAI Endorsed Trans Ind Net Intel Syst, vol. 6, no. 21, p. e2, Oct. 2019.