發送短信

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

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發送短信 : A simple channel simulator for multiuser MIMO broadcast channel systems