發送短信

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

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發送短信 : A lightweight and secure handover authentication scheme for 5G network using neighbour base stations