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             ___      _____    __   __   ______   
  ____      / _ \\   / ____||  \ \\/ // |      \\ 
 |    \\   | / \ || / //---`'   \ ` //  |  --  // 
 | [] ||   | \_/ || \ \\___      | ||   |  --  \\ 
 |  __//    \___//   \_____||    |_||   |______// 
 |_|`-`     `---`     `----`     `-`'   `------`  
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Text this: Differential TDMA impulse radio systems using delay-sum scheme in UWB channel