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Autonomous Parameter and Schedule Configuration for TDMA-Based Communication Protocols Such as FlexRay

  • One goal of research activities is finding ways to manage the growing complexity of embedded systems using self- configuration methods. While autonomous configuration could potentially be used in safety-critical and real-time systems, the basic requirements are not yet in place. This paper will outline a concept for the real autonomous configuration of TDMA-based communication processes, which currently does not exist. The paper initially addresses the TDMA-specific framework conditions and a potential solution. The issue of the mandatory a-priori known schedule is resolved using a generic schedule, because a simple method based on "free-slot-reserved-for- further-nodes" is not feasible. The most difficult part the startup was implemented through the generic schedule and an ID-based collision resolution process. To demonstrate the viability of the concept, the configuration method was implemented using a FlexRay communication system. This also satisfied the goal of eliminating the need for additional hardware and preserving the faultOne goal of research activities is finding ways to manage the growing complexity of embedded systems using self- configuration methods. While autonomous configuration could potentially be used in safety-critical and real-time systems, the basic requirements are not yet in place. This paper will outline a concept for the real autonomous configuration of TDMA-based communication processes, which currently does not exist. The paper initially addresses the TDMA-specific framework conditions and a potential solution. The issue of the mandatory a-priori known schedule is resolved using a generic schedule, because a simple method based on "free-slot-reserved-for- further-nodes" is not feasible. The most difficult part the startup was implemented through the generic schedule and an ID-based collision resolution process. To demonstrate the viability of the concept, the configuration method was implemented using a FlexRay communication system. This also satisfied the goal of eliminating the need for additional hardware and preserving the fault tolerant multimaster structure of the FlexRay system. The functionality of the concept was validated under different scenarios. The configuration times were analyzed, the results of which are also detailed here.show moreshow less

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Metadaten
Author:Patrick Heinrich, Dirk Eilers, Rudi Knorr, Markus Königer, Bernd Niehoff
URL / DOI:https://publica-rest.fraunhofer.de/server/api/core/bitstreams/b2f4c892-f415-4186-b20f-dbbfc3806286/content
DOI:https://doi.org/10.1109/TrustCom.2011.168
Identifier:978-1-4577-2135-9 OPAC HS OPAC extern
Parent Title (English):2011IEEE 10th International Conference on Trust, Security and Privacy in Computing and Communications
Publisher:IEEE
Document Type:conference proceeding (article)
Conference:2011IEEE 10th International Conference on Trust, Security and Privacy in Computing and Communications, 16-18 November 2011, Changsha, China
Language:English
Date of Publication (online):2012/01/02
Year of first Publication:2011
Number of pages:6 Seiten
First Page:1241
Last Page:1246
Institutes:Fakultät Elektrotechnik
Dewey Decimal Classification:0 Informatik, Informationswissenschaft, allgemeine Werke / 00 Informatik, Wissen, Systeme
6 Technik, Medizin, angewandte Wissenschaften / 60 Technik
Publication reviewed:begutachtet
Release Date:2023/08/02
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