Title : 
Performance Analysis of Demod-Remod Coherent Receiver for QPSK and SQPSK Input
         
        
            Author : 
Weber, Charles L. ; Alem, Waddah K.
         
        
            Author_Institution : 
University of Southern California, Los Angeles
         
        
        
        
        
            fDate : 
12/1/1980 12:00:00 AM
         
        
        
        
            Abstract : 
A demod-remod coherent tracking loop for QPSK and SQPSK is described and analyzed in [1]. Those results are used to obtain the power spectral density of the equivalent noise of the tracking loop and the probability density function of the steady-state phase error, The effects of the IF and arm filters on the statistics of the noise and QPSK signal are developed. The results of performance computations are presented.
         
        
            Keywords : 
PSK modulation/demodulation; Spectral analysis; Tracking loops; Autocorrelation; Filters; Performance analysis; Phase detection; Phase noise; Probability density function; Quadrature phase shift keying; Signal to noise ratio; Steady-state; Tracking loops;
         
        
        
            Journal_Title : 
Communications, IEEE Transactions on
         
        
        
        
        
            DOI : 
10.1109/TCOM.1980.1094634