Transcript Expert Group 8 on Assessment of UNI 10607 standards on

Expert Group 8 on Assessment of draft UNI
10607 standards on DSRC communicationsOverview of the work and results
Working for DG TREN in support of
the Comité Télépéage
June 2005
Context and scope of the work
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Context:
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EFC Directive 2004/52/EC
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Work on the European Electronic Toll Service (EETS) definition
Expert Group 8 on microwave technologies
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Established by DG TREN
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Assess draft UNI 10607 DSRC standards to be used for the EETS
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3 experts selected
 Jesper Engdahl (Lead, Rapp Trans, CH)
 Fausto Caneschi (Lecit Consulting, IT)
 Bernard Lamy (Thales, FR)
Report of Expert Group 8 on Microwave Technologies
Scope of the work
Key task: assess the new draft version of UNI 10607 standards
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Suitability for the EETS at 5.8 GHz: functionalities of the services provided by the
UNI 10607 suite
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Completeness with respect to the CEN TC278 standards suite : level of
information and technical description provided by the draft UNI 10607 suite.
to what extent the issues identified in EG1’s final report related to the Draft UNI
DSRC standards have been resolved in the revised Draft UNI DSRC standards.
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also to provide guidelines on additional information and further technical work
essential to manufacturers that wish to include a “UNI DSRC compliant interface”
Not part of the assignment:
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No assessment has been made whether the specifications correctly reflect the OBUs
deployed in the Telepass system, i.e. no judgement has been made on the suitability
of Draft UNI DSRC standards for the Telepass system.
Configuration issues
Data usage and mapping ( EG 11)
Backwards compatibility, i.e., verify the impact of new functionalities with the
currently deployed Telepass system
Report of Expert Group 8 on Microwave Technologies
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Overall approach
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Compare the type and depth of information in the Draft
UNI DSRC standards with that of the corresponding
European baseline standards for DSRC and EFC. The
comparison has been established layer by layer.
Verify that the identified issues by EG1 related to
previous version of UNI DSRC layer 1 standard have
been solved in the revised version of the standards
Completely revise Draft UNI DSRC standards in terms of
completeness and coherence, from an OBU technical
point of view, following the solution proposed by EG1.
On the basis of the examination of the updated UNI
DSRC standards, define overall reflections and
recommendations.
Report of Expert Group 8 on Microwave Technologies
Background – EG1 results and recommendations
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"Dual DSRC stacks (CEN and UNI-10607) / Common EFC
application" (concept 2a in EG1 final report) is the technical
basis to be considered, provided:
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the issues associated with the UNI DSRC specifications have been
resolved and
a fair (chipset and OBU) vendor market can be ensured.
Revised edition of the draft UNI 10607 standards provided as
input to EG8 after EG1 recommendations
Report of Expert Group 8 on Microwave Technologies
Technical Appraisal of the draft UNI 10607 standard(2)
Completeness & consistency - the following observations to be resolved
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Clarifications on Layer 7, as detailed in Annex G3:
 “Responding Mode” parameter and the selection of the corresponding transmission bit rate,
including consistency of associated ASN.1 definition;
 Semantics of ‘opc-failure’ in ‘Result and Diagnostics’ parameters in 9.1.4 and Annex A
 A-Association Parameters:
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Clarification
Clarification
Clarification
Clarification
of semantics (i.e. the functional meaning) of the parameters
of Called AP Invocation Identifier (in section 9.1.2)
on “Number of Directives” service parameter functionality and semantics
on Encoding rules
 Application data elements, including coding format and semantics
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EFC Application Interface definition (UNI Application Service Object), as detailed in
Annex G4:
Clarification of the functional description of the service primitives.
More detailed semantics of the protocol message elements for the EFC use.
Description of the common memory structures and their usage in the context of EFC.
Description of addressing mechanisms, by referencing to memory structures.
Description of dynamic (challenge – response) data integrity service primitives and
mechanism, in order to provide for multi-operator data integrity.
 Introduction of a bit-level informative annex detailing a complete transaction based on the
CARDME specification, which includes all aspects in a top-down description (i.e. from AAssociate invocation down to addressing the data attribute in memory).
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Report of Expert Group 8 on Microwave Technologies
Recommended further steps to enable industrial
implementation
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Finalisation of the UNI DSRC requirements suite.
Preparation of the UNI DSRC test suite.
Miscellaneous actions
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‘Opening up' the Telepass specification
Defining the dual mode OBU architecture from a software and
hardware points of view
Assessing the feasibility of a single radio modem
Creating a workplace for the Telepass implementation work for
the purpose of fostering development, product prototyping and
interoperability testing, including development and operation of
an interoperability testbed.
Ownership and governance of specifications
Report of Expert Group 8 on Microwave Technologies
Overall considerations and recommendations
The review comments raised by EG1 have been addressed by
UNINFO experts and the results incorporated in the reviewed
revised Draft UNI DSRC standards.
 The overall architecture and functional allocation of
communication services across communication layers and EFC
API are consistent.
 Some further comments and requests for clarification have
been documented.
 EG8's opinion is that these corrections may be brought in the
final published version of the UNI standards, and that the final
check may be part of the required test suite specification work
(i.e. checking for input completeness and consistency)
 In order to enable an industrial implementation, test suite
specifications are required. These should be designed in an
European context, with the help of Italian experts. CEN and
ETSI are the candidate places for such specifications.
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Report of Expert Group 8 on Microwave Technologies
EC Conclusion
European Commission wants to thank all members of
EG 1 and EG 8 for their work on this issue
 As well as Autostrade per l’Italia and UNI for their
willingness to cooperate closely with the experts
nominated by the European Commission DG TREN
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At the level of specifications, UNI and CEN standards
provide now an equivalent level of information, which is
a pre-requisite to open the market to all suppliers
 Next step of this market opening will be direct
cooperation between industrials and Italian operators
on the design and development of UNI interfaces to be
included in the EETS onboard units
 RCI will be the first step towards this achievement
 The EC will follow the EG8 recommendations concerning
the test suite in the frame of the European Network of
Certification Centers to be put in place for the EETS
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Report of Expert Group 8 on Microwave Technologies