PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Rights accessRestricted access - publisher's policy
This paper presents a new approach to time stamp
messages in underwater acoustic communication. Message time
stamping is a widely used method for synchronizing two clocks
over a cabled or wireless communication, by exchanging time
information in pilot messages. In this work we use a National
Instruments Field-Programmable Gate Array (FPGA) for
performing deterministic hardware time stamp of windowed
acquired data, and then we apply a software detection of frame
information inside this acquisition window. Frame time stamp
in conjunction with global time reference enclosed in the message,
provide enough information for achieving synchronization
accuracy between two clocks below few microseconds.
CitationPallares, O.; Del Rio, J.; Bouvet, P. Underwater acoustic communication messaging time stamp applied to global time synchronization. A: IEEE Sensor Systems for a Changing Ocean. "2014 IEEE Sensor Systems for a Changing Ocean (SSCO)". Brest: Institute of Electrical and Electronics Engineers (IEEE), 2014, p. 1-5.
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