發送短信 : Maximum volume criterion for user selection of multiuser MIMO downlink with multiantenna users and block diagonalization beamforming

 __   __    _____   __    __    _____     ______  
 \ \\/ //  |  ___|| \ \\ / //  |  ___||  /_   _// 
  \   //   | ||__    \ \/ //   | ||__    `-| |,-  
  / . \\   | ||__     \  //    | ||__      | ||   
 /_//\_\\  |_____||    \//     |_____||    |_||   
 `-`  --`  `-----`      `      `-----`     `-`'