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

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Text this: Blind channel estimation for OFDM systems via a general non-redundant precoding