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On the Implementation of Embedded Communication over Reflectometry-oriented Hardware for Distributed Diagnosis in Complex Wiring Networks

Abstract : In this paper, the first electronic device capable of performing simultaneous Orthogonal Multi-Tone Time Domain Reflectometry (OMTDR) measurements with data fusion is presented. This is possible by executing reliable communication among several OMTDR-based systems. In fact, the main challenge of any developed system is to achieve a zero bit error rate communication with a typical reflectometry hardware without considering complex clock recovery systems and synchronization blocks. To achieve that, the proposed system must to be able to find the minimum interference sampling time in a short delay in order to avoid synchronous issues. This is achieved by performing a novel fast time distributed oversampling technique. Such technique consists of sampling the Analog-to-Digital Converter (ADC) and the Digital-to-Analog Converter (DAC) with a frequency offset, achieving Ω order oversampling in Ω+1 OMTDR signal cycles. The developed demonstrator is capable of ensuring cable diagnosis and reliable communication between several devices connected with aeronautical cables.
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https://hal-cea.archives-ouvertes.fr/cea-03049281
Contributor : Marie-France Robbe <>
Submitted on : Thursday, December 10, 2020 - 4:42:23 PM
Last modification on : Saturday, May 1, 2021 - 3:48:54 AM
Long-term archiving on: : Thursday, March 11, 2021 - 8:33:46 PM

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Esteban Cabanillas, Moussa Kafal, Wafa Ben Hassen. On the Implementation of Embedded Communication over Reflectometry-oriented Hardware for Distributed Diagnosis in Complex Wiring Networks. 2018 International Automatic Testing Conference (AUTOTESTCON), IEEE, Sep 2018, National Harbor, United States. pp.8532560, ⟨10.1109/AUTEST.2018.8532560⟩. ⟨cea-03049281⟩

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