Text this: OPTIMUM RECEIVER DESIGN FOR COHERENT ORTHOGONAL FREQUENCY-DIVISION MULTIPLEXING

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