NASA NTRS · 19900000268
Double Differential Encoding And Detection In MPSK
Abstract
Proposed communication system based on multiple-phase-shift-keying (MPSK) modulation includes double differential encoder in transmitter and double differential detector in receiver. Transmitter generates phase-modulated signal suitable for decoding and detection by subsystem. Detector removes Doppler-frequency component from noisy, Doppler-shifted signal encoded in subsystem. Overall effect of double-differential scheme to cancel effect of Doppler shift on modulation in received signal. Not necessary to estimate Doppler shift to correct for it.
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Divsalar, D., Simon, M. K.. 1990-06-01. Double Differential Encoding And Detection In MPSK. https://ntrs.nasa.gov/citations/19900000268
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