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  ____     _    _     _  __   __   __    _  __  
 |  _ \\  | || | ||  | |/ //  \ \\/ //  | |/ // 
 | |_| || | || | ||  | ' //    \ ` //   | ' //  
 | .  //  | \\_/ ||  | . \\     | ||    | . \\  
 |_|\_\\   \____//   |_|\_\\    |_||    |_|\_\\ 
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Text this: Performance study of direct-sequence code-division multiple-access systems over jamming and fading channels