Title :
Optimum processing of multilevel CPFSK
Author :
Bolourchi, Nader ; Schilling, Donald L.
Author_Institution :
Dept. of Eng. Technol., New York Inst. of Technol., Old Westbury, NY, USA
Abstract :
The improved probability of error of a narrowband continuous phase M-ary frequency shift keying (CPMFSK) system of B b/s/Hz (B>2) with a limiter-discriminator-integrator detector when compensating for the effect of the bandlimiting filter using a nonlinear postprocessor following the FM discriminator is determined. This postprocessor uses an adaptive decision scheme to combat the severe intersymbol interference caused by the bandlimiting filter. Error probability results are presented for the receiver, both with and without a postprocessor, as a function of various system parameters for M=2, 4, 8, and 16 symbols to support the superiority of this algorithm
Keywords :
error statistics; frequency shift keying; mobile radio systems; signal processing; BER performance; FM discriminator; error probability; limiter-discriminator-integrator detector; mobile radio; multilevel CPFSK; narrowband continuous phase M-ary frequency shift keying; nonlinear postprocessor; optimum processing; Adaptive filters; Bit error rate; Distortion; Fading; Frequency modulation; Frequency shift keying; Intersymbol interference; Land mobile radio; Mobile communication; Phase detection;
Conference_Titel :
Vehicular Technology Conference, 1992, IEEE 42nd
Conference_Location :
Denver, CO
Print_ISBN :
0-7803-0673-2
DOI :
10.1109/VETEC.1992.245481
