Performance Analysis of Demod-Remod Coherent Receiver for QPSK and SQPSK Input |
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| Authors: | Weber C Alem W |
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| Affiliation: | University of Southern California, Los Angeles; |
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| 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. |
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