aeronautical telemetry, demodulation, detection, Offset QPSK
Sponsorship: US Air Force Grant FA9302-05-C-0001. A detector architecture capable of detecting both shaped offset quadrature phase shift keying (SOQPSK-TG) and Feher's quadrature phase shift keying (FQPSK-JR) is developed and analyzed. Both modulations are embodied as fully interoperable modulations in the Interrange Instrumentation Group (IRIG) standard IRIG-106. It is shown that the common detector achieves near optimal bit error rate performance without knowledge of which modulation is used by the transmitter. The detection techniques are based on a common trellis-coded modulation representation and a common continuous phase modulation (CPM) representation for these two modulations. In addition the common pulse amplitude modulation (PAM) decomposition of the common CPM representation is developed. The common PAM-based detector offers the best performance-complexity trade-off among the detectors considered.
BYU ScholarsArchive Citation
Nelson, Tom; Rice, Michael D.; and Perrins, Erik, "Performance Analysis of Common Detectors for Shaped Offset QPSK and Feher's QPSK" (2005). All Faculty Publications. 1229.
Ira A. Fulton College of Engineering and Technology
Electrical and Computer Engineering
© 2006 Tom Nelson, Michael D. Rice, and Erik Perrins
Copyright Use Information