Method and device for blind dehopping

Details Method and device for blind dehopping Method and device for blind dehopping

2011-04-12

2011-04-12

Tran, Khanh C (Department: 2611)

Pulse or digital communications

Spread spectrum

Frequency hopping

Reexamination Certificate

active

07924903

ABSTRACT:
A method and device are disclosed for real-time characterization of frequency-hopping networks, in which the signal to be characterized is converted into a digital signal and the frequency characteristics of the signal are determined. A frequency hop is sought for synchronization with the start of the transmission. The frequency is tracked and the central frequency Fc of the required transmission channel is sought. A delay is applied to the digitized samples during the tracking phase. The samples corresponding to the signal step are determined on the basis of the delayed samples and the identified central frequency.

REFERENCES:
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patent: 5970400 (1999-10-01), Dwyer
patent: 6188715 (2001-02-01), Partyka
patent: 6854140 (2005-02-01), Bartels et al.
patent: 7035311 (2006-04-01), Nohara et al.
patent: 2004/0137849 (2004-07-01), Kloper et al.

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