أرسل هذا في رسالة قصيرة: ERROR PERFORMANCE ANALYSIS FOR PI/M-DMPSK IN FAST FREQUENCY-SELECTIVE RICIAN FADING CHANNEL WITH DIVERSITY RECEPTION

__    __   __   __             _    _    _____    
\ \\ / //  \ \\/ //   ____    | || | || |  __ \\  
 \ \/ //    \ ` //   |    \\  | || | || | |  \ || 
  \  //      | ||    | [] ||  | \\_/ || | |__/ || 
   \//       |_||    |  __//   \____//  |_____//  
    `        `-`'    |_|`-`     `---`    -----`   
                     `-`