Title :
Continuous phase quadrature phase shift keyed (CPQPSK) signaling technique
Author :
Kuh, Steve ; Ryan, Carl
Author_Institution :
Motorola Inc., Phoenix, AZ, USA
Abstract :
A continuous phase quadrature-phase-shift-keyed (CPQPSK) modulation technique is presented. This method uses a conventional QPSK-modulated signal and a phase trajectory converter to obtain nearly constant envelope amplitude and continuous phase trajectories. A computer simulation program, MODEM, is used to simulate the CPQPSK signaling technique. It is concluded that this technique is particularly useful in building a high data rate transmitter for existing QPSK communication systems.<>
Keywords :
digital simulation; phase shift keying; signalling (telecommunication networks); CPQPSK; MODEM; computer simulation program; continuous phase quadrature phase shift keying; high data rate transmitter; modulation; phase trajectory converter; signalling; Amplitude modulation; Computer simulation; Continuous phase modulation; Costs; Filtering; Low pass filters; Phase shift keying; Quadrature phase shift keying; Signal generators; Transmitters;
Conference_Titel :
Military Communications Conference, 1988. MILCOM 88, Conference record. 21st Century Military Communications - What's Possible? 1988 IEEE
Conference_Location :
San Diego, CA, USA
DOI :
10.1109/MILCOM.1988.13384
