System and method for obtaining accurate symbol rate and...

Details System and method for obtaining accurate symbol rate and... System and method for obtaining accurate symbol rate and...

2006-11-09

2008-12-02

Fan, Chieh M (Department: 2611)

Pulse or digital communications

Receivers

Angle modulation

C375S334000, C375S335000

Reexamination Certificate

active

07460618

ABSTRACT:
The present invention relates generally to communication systems, both wired and wireless, employing a continuous phase modulation (“CPM”) waveform with a minimum shift keying (“MSK”) preamble. The present inventive system and method uses information from contiguous Fourier Transforms taken on contiguous data blocks to determine baud rate, phase, frequency offset, and bit timing of the CPM waveform or can be used to determine the frequency of continuous wave waveform. More particularly, the inventive system and method is applicable to the military satellite communications UHF frequency band for deciding whether a signal of interest is.

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Morihito, Yoshiteru, “A 100 Mbit/s Prototype MSK Modem for Satellite Communications”, IEEE, Transaction on Communications, vol. 27, No.10, Oct. 1979.
Miller, M. et al., “An Innovative synchronization Preamble for UHF MILSATCOM,” pp. 1 of 5.

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