Fixed-Length Payload Encoding for Low-Jitter Controller Area Network Communication

Cena, Gianluca; Bertolotti, I. C.; Hu, Tingting; Valenzano, Adriano

doi:10.1109/TII.2013.2240310

The controller area network (CAN) bit stuffing mechanism, albeit essential to ensure proper receiver clock synchronization, introduces a significant, payload-dependent jitter on message response times, which may worsen the timing accuracy of a networked control system. Accordingly, several approaches to overcome this issue have been discussed in literature. This paper presents a novel software payload encoding scheme, which is able to guarantee that no stuff bits will ever be added to the data field by the CAN controller during transmission and, hence, lessens jitters considerably. Particular care has been put in its practical implementation and its subsequent evaluation to show how the simplicity and inherent high performance of the scheme make it suitable even for low-cost, embedded architectures.

Fixed-Length Payload Encoding for Low-Jitter Controller Area Network Communication / G. Cena;I. C. Bertolotti;T. Hu;A. Valenzano. - In: IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS. - ISSN 1551-3203. - STAMPA. - 9:4(2013), pp. 2155-2164. [10.1109/TII.2013.2240310]

Titolo:	Fixed-Length Payload Encoding for Low-Jitter Controller Area Network Communication
Autori:	CENA, GIANLUCA I. C. Bertolotti HU, TINGTING VALENZANO, ADRIANO mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	2013
Rivista:	IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS
Digital Object Identifier (DOI):	http://dx.doi.org/10.1109/TII.2013.2240310
Appare nelle tipologie:	1.1 Articolo in rivista

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