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

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Text this: Doubly iterative receiver for MIMO amplify-and-forward relay networks