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Title: Fail silence mechanism for dependable vehicular communications
Author: Almeida, João Miguel Pereira
Ferreira, Joaquim Castro
Oliveira, Arnaldo
Keywords: ail silence mechanism; fault tolerant architecture; vehicular networks; dependable wireless communications; intelligent transportation systems; ITS.
Issue Date: 4-Oct-2017
Publisher: Inderscience
Abstract: This paper presents a fault-tolerant architecture to improve the dependability of infrastructure-based vehicular networks. For that purpose, a fail silence enforcement mechanism for road-side units (RSUs) was designed, implemented and tested. Vehicular communications based on IEEE 802.11p are inherently non-deterministic. The presence of RSUs and a backhauling network, adds a degree of determinism that is useful to enforce real-time and dependability, both by providing global knowledge and by supporting the operation of collision-free deterministic MAC protocols. One of such protocols is V-FTT, for which the proposed mechanism was designed as a case study. Notice, however that this mechanism is protocol independent and can be adapted to any wireless communications system. The proposed technique is capable of validating a frame for transmission by identifying faults both in value and time domains. Experimental results show that the fail silence enforcement mechanism has low latency and consumes few FPGA resources.
Peer review: yes
DOI: 10.1504/IJHPCN.2017.10008241
ISSN: 1740-0562
Appears in Collections:ESTGA - Artigos

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