Probability of error in cross-polarized PSK satellite communication systems in the presence of depolarization crosstalk
Abstract
The probability of error (Pe) is calculated for coherent-crosstalk and Gaussian-noise conditions in maximum-likelihood-receiver perfect-carrier-phase-reference QPSK and 8-PSK systems such as those used in satellite communications. A phase difference of pi/M is introduced in the two sets of possible transmitter output phases of a two-channel MPSK system, and the effect on Pe is determined. Numerical results are presented graphically, and the implementation of reduced-capacity receivers and transmitters to improve performance is discussed. For example, a two-channel QPSK reduced-capacity system is 2.3 dB better (in input signal-to-noise ratio required) than a single-channel 8-PSK system providing the same Pe (10 to the -6th).
- Publication:
-
10th Communication Satellite Systems Conference
- Pub Date:
- 1984
- Bibcode:
- 1984coss.conf..276W
- Keywords:
-
- Communication Satellites;
- Cross Polarization;
- Crosstalk;
- Error Analysis;
- Phase Shift Keying;
- Satellite Communication;
- Satellite Networks;
- Depolarization;
- False Alarms;
- Maximum Likelihood Estimates;
- Performance Prediction;
- Phase Shift;
- Probability Theory;
- Signal To Noise Ratios;
- Stochastic Processes;
- Transmission Efficiency;
- Communications and Radar