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  ____      ______    ______     ___      _____   
 |  _ \\   /_   _//  /_____//   / _ \\   |__  //  
 | |_| ||   -| ||-   `____ `   | / \ ||    / //   
 | .  //    _| ||_   /___//    | \_/ ||   / //__  
 |_|\_\\   /_____//  `__ `      \___//   /_____|| 
 `-` --`   `-----`   /_//       `---`    `-----`  
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Text this: Pilot-aided channel equalization in RGI-PDM-CO-OFDM systems