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  _____      ___                _____    _    _   
 /  ___||   / _ \\      ___    |  ___|| | \  / || 
| // __    / //\ \\    /   ||  | ||__   |  \/  || 
| \\_\ || |  ___  ||  | [] ||  | ||__   | .  . || 
 \____//  |_||  |_||   \__ ||  |_____|| |_|\/|_|| 
  `---`   `-`   `-`     -|_||  `-----`  `-`  `-`  
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發送短信 : Orthogonal space-time block code with pulse shaped offset QAM for multiple transmit antennas