The bit stuffing mechanism adopted in controller area networks leads to unwanted jitter on frame reception times, which worsens timing accuracy, even if countermeasures are adopted to avoid contentions on the bus. Several solutions have been proposed so far for dealing with stuff bits in the payload of messages, but they are not effective for the cyclic redundancy check. In this paper, a mechanism is presented that prevents the occurrence of stuff bits in the whole frame completely. It makes the duration of frame transmissions fixed and, hence, it achieves very accurate reception times. An optimized codec has been implemented to demonstrate that this approach is feasible and can be profitably adopted in low-cost networked embedded systems with demanding timing constraints.
A Mechanism to Prevent Stuff Bits in CAN for Achieving Jitterless Communication / Cena, Gianluca; Cibrario Bertolotti, Ivan; Hu, Tingting; Valenzano, Adriano. - In: IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS. - ISSN 1551-3203. - STAMPA. - 11:1(2015), pp. 83-93. [10.1109/TII.2014.2365153]
Titolo: | A Mechanism to Prevent Stuff Bits in CAN for Achieving Jitterless Communication | |
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Data di pubblicazione: | 2015 | |
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Digital Object Identifier (DOI): | http://dx.doi.org/10.1109/TII.2014.2365153 | |
Appare nelle tipologie: | 1.1 Articolo in rivista |
File in questo prodotto:
File | Descrizione | Tipologia | Licenza | |
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TII_j_can_crc_Early_Access.pdf | 1. Preprint / submitted version [pre- review] | Non Pubblico - Accesso privato/ristretto | Administrator Richiedi una copia | |
06936873.pdf | 2a Post-print versione editoriale / Version of Record | Non Pubblico - Accesso privato/ristretto | Administrator Richiedi una copia |
http://hdl.handle.net/11583/2572569