Method and apparatus for real-time demodulation of a GMSK signal

Details Method and apparatus for real-time demodulation of a GMSK signal Method and apparatus for real-time demodulation of a GMSK signal

1991-02-25

1992-05-26

Safourek, Benedict V.

Pulse or digital communications

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Testing

375 45, 375 47, 329300, H04L 2710

Patent

active

051174413

ABSTRACT:
The GMSK real-time demodulation apparatus and process of the present invention demodulates a coherent quadrature phase modulated GMSK signal in real-time using a non-coherent receiver. The GMSK signal is initially non-coherent detected, thus producing a channel symbol signal. This signal is then differentially decoded to recover the encoded digital information.

REFERENCES:
patent: 4656648 (1987-04-01), Vallet
patent: 4669095 (1987-05-01), Hall
patent: 5048058 (1991-09-01), Kaleh
IEE Vehicular Technology, vol. VT-33, No. 3, Aug. 1984, Generalized Tamed Frequency Modulation and its Application for Mobile Radio Communications.
IEEE Vehicular Technology, vol. VT-33, No. 3, Aug. 1984, Multilevel Decision Method for Band-Limited Digital FM with Limiter-Discriminator Detection.

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