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

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Text this: Co-existence with ARQ-based primary system through cooperate-and-access spectrum sharing