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

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發送短信 : Radio Resource Allocation in Wireless OFDM Systems