System and method for blindly acquiring frequency hopped spread spectrum signals
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United States of America Patent
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Apr 24, 2018
Issued Date -
Nov 2, 2017
app pub date -
Apr 29, 2016
filing date -
Apr 29, 2016
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Abstract
A system and method for acquiring a frequency hopped spread spectrum (FHSS) signal with no prior knowledge about the FHSS signal. In example implementations, an RF signal is received at a receiver. The RF signal is converted into a stream of digital signal levels. Energy detections are identified in the stream of digital signal as possible hops of a FHSS signal. A feature set is blindly acquired for defining an FHSS signal from the energy detections. At least one waveform classification is generated based on the feature set. Energy detections are re-acquired from the RF signal based on the waveform classification.
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