發送短信 : 3-time-slot group-decodable STBC with full rate and full diversity

 ______      ___     _____      _____     ______  
|      \\   / _ \\  |  __ \\   |  ___||  /_   _// 
|  --  //  / //\ \\ | |  \ ||  | ||__      | ||   
|  --  \\ |  ___  ||| |__/ ||  | ||__     _| ||   
|______// |_||  |_|||_____//   |_____||  /__//    
`------`  `-`   `-`  -----`    `-----`   `--`