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

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Text this: Symbol-error performance and bit-error performance of QAM signalling