Text this: Maximum coverage of radius-one sources in the wireless communication

 __   __     ___     _____      _____     ______  
 \ \\/ //   / _ \\  |  __ \\   |  ___||  /_   _// 
  \   //   / //\ \\ | |  \ ||  | ||__    `-| |,-  
  / . \\  |  ___  ||| |__/ ||  | ||__      | ||   
 /_//\_\\ |_||  |_|||_____//   |_____||    |_||   
 `-`  --` `-`   `-`  -----`    `-----`     `-`'