FRAME SYNCH DETECTION WITH INTRUSION DETECTION

FRAME SYNCH DETECTION WITH INTRUSION DETECTION

Techniques are described to improve the security of frame synchronization detection between wireless devices in high accuracy positioning (HAP) applications using personal area networks (PANs). A receiver may detect whether a frame synchronization pattern has been manipulated by comparing the sample...

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1. Verfasser: REY, Claudio
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Sprache:eng
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
WIRELESS COMMUNICATIONS NETWORKS
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description Techniques are described to improve the security of frame synchronization detection between wireless devices in high accuracy positioning (HAP) applications using personal area networks (PANs). A receiver may detect whether a frame synchronization pattern has been manipulated by comparing the sampled data of the received frame synchronization pattern with a reference waveform predicted as the frame synchronization pattern. The receiver may reuse the data in the correlation buffer at the moment a correlator finds a peak and declares that the synchronization pattern is found. The correlator may also provide fractional timing information associated with the correlation peak for the receiver to create a delayed reference phase differential pattern. The receiver may subtract the data in the correlation buffer by the delayed reference differential data and look for absolute deviations in the output of such subtraction that exceed a predetermined threshold. Specific patterns or signatures of error may also be analyzed.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
WIRELESS COMMUNICATIONS NETWORKS
title FRAME SYNCH DETECTION WITH INTRUSION DETECTION
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