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

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Text this: Performance analysis of downlink multi-cell OFDMA systems based on potential game