1、 ETSI TS 102 486-1-2 V1.2.1 (2008-10)Technical Specification Intelligent Transport Systems (ITS);Road Transport and Traffic Telematics (RTTT);Test specifications for Dedicated ShortRange Communication (DSRC) transmission equipment;Part 1: DSRC data link layer:medium access and logical link control;S
2、ub-Part 2: Test Suite Structure and Test Purposes (TSS Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http:/webapp.etsi.org/IPR/home.asp). Pursuant to the ETS
3、I IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Foreword
4、 This Technical Specification (TS) has been produced by ETSI Technical Committee Intelligent Transport System(ITS). The present document is part 1, sub-part 2 of a multi-part deliverable covering Intelligent Transport Systems (ITS); Road Transport and Traffic Telematics (RTTT); Test specifications f
5、or Dedicated ShortRange Communication (DSRC) transmission equipment as identified below: Part 1: “DSRC data link layer: medium access and logical link control; Sub-part 1: “Protocol Implementation Conformance Statement (PICS) proforma specification“; Sub-part 2: “Test Suite Structure and Test Purpos
6、es (TSS Sub-part 3: “Abstract Test Suite (ATS) and partial PIXIT proforma“. Part 2: “DSRC application layer“. ETSI ETSI TS 102 486-1-2 V1.2.1 (2008-10)51 Scope The present document contains the Test Suite Structure (TSS) and Test Purposes (TP) to test the Dedicated Short Range Communication (DSRC);
7、Data Link Control (DLC) layer. The objective of this test specification is to provide a basis for conformance tests for DSRC equipment giving a high probability of inter-operability between different manufacturers equipment. The ISO standard for the methodology of conformance testing (ISO/IEC 9646-1
8、 5 and ISO/IEC 9646-2 6) as well as the ETSI rules for conformance testing (ETS 300 406 4) are used as a basis for the test methodology. 2 References References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For a specific reference,
9、subsequent revisions do not apply. Non-specific reference may be made only to a complete document or a part thereof and only in the following cases: - if it is accepted that it will be possible to use all future changes of the referenced document for the purposes of the referring document; - for inf
10、ormative references. Referenced documents which are not found to be publicly available in the expected location might be found at http:/docbox.etsi.org/Reference. For online referenced documents, information sufficient to identify and locate the source shall be provided. Preferably, the primary sour
11、ce of the referenced document should be cited, in order to ensure traceability. Furthermore, the reference should, as far as possible, remain valid for the expected life of the document. The reference shall include the method of access to the referenced document and the full network address, with th
12、e same punctuation and use of upper case and lower case letters. NOTE: While any hyperlinks included in this clause were valid at the time of publication ETSI cannot guarantee their long term validity. 2.1 Normative references The following referenced documents are indispensable for the application
13、of the present document. For dated references, only the edition cited applies. For non-specific references, the latest edition of the referenced document (including any amendments) applies. 1 CEN EN 12795 (2003): “Road transport and traffic telematics - Dedicated Short Range Communication (DSRC) - D
14、SRC data link layer: medium access and logical link control“. 2 CEN EN 12253 (2003): “Road transport and traffic telematics - Dedicated short-range communication - Physical layer using microwave at 5,8 GHz“. 3 CEN EN 13372 (2003): “Road transport and traffic telematics (RTTT) - Dedicated short-range
15、 communication - Profiles for RTTT“. 4 ETSI ETS 300 406: “Methods for Testing and Specification (MTS); Protocol and profile conformance testing specifications; Standardization methodology“. 5 ISO/IEC 9646-1 (1991): “Information technology - Open Systems Interconnection - Conformance testing methodol
16、ogy and framework - Part 1: General concepts“. ETSI ETSI TS 102 486-1-2 V1.2.1 (2008-10)66 ISO/IEC 9646-2 (1991): “Information technology - Open Systems Interconnection - Conformance testing methodology and framework - Part 2: Abstract Test Suite specification“. 7 ISO/IEC 9646-6 (1991): “Information
17、 technology - Open Systems Interconnection - Conformance testing methodology and framework - Part 6: Protocol profile test specification“. 8 ISO/IEC 9646-7 (1991): “Information technology - Open Systems Interconnection - Conformance testing methodology and framework - Part 7: Implementation Conforma
18、nce Statement“. 2.2 Informative references The following referenced documents are not essential to the use of the present document but they assist the user with regard to a particular subject area. For non-specific references, the latest version of the referenced document (including any amendments)
19、applies. i.1 ETSI TS 102 178: “Broadband Radio Access Networks (BRAN); HiperMAN; Data Link Control (DLC) layer“. 3 Definitions and abbreviations 3.1 Definitions For the purposes of the present document, the terms and definitions given in ISO/IEC 9646-7 8, EN 12253 2, EN 12795 1 and EN 13372 3 and th
20、e following apply: blocked signal: signal without clock and bit information, e.g. a very weak signal 3.2 Abbreviations For the purposes of the present document, the abbreviations given in ISO/IEC 9646-1 5, ISO/IEC 9646-6 7, ISO/IEC 9646-7 8, TS 102 178 i.1 and EN 12795 1 and the following apply: DLC
21、 Data Link Control PrWA MAC frame Private Window Allocation PrWRq MAC frame Private Window Request U8 Uplink bit rate U13a Uplink preamble length (duration) TSS Test Suite Structure 4 Test Suite Structure (TSS) 4.1 Structure Figure 1 shows the DLC Test Suite Structure (TSS) including its subgroups d
22、efined for the conformance testing. Group Type of SUT Behaviour DLC MAC Sub layer On Board Unit Valid behaviour Invalid behaviour Road Side Unit Valid behaviour Invalid behaviour DLC LLC Sub layer On Board Unit Valid behaviour Invalid behaviour Road Side Unit Valid behaviour Invalid behaviour Figure
23、 1: TSS for DSRC DLC ETSI ETSI TS 102 486-1-2 V1.2.1 (2008-10)74.2 Test groups The test groups are organized in two groups. The first is designed for the DLC MAC sub layer testing and the second is designed for DLC LLC sub layer testing. 4.3 Type of SUT test groups The type of SUT test groups are or
24、ganized in two groups. The first is designed for the On Board Unit testing and the second is designed for Road Side Unit testing. 4.4 Behaviour test groups 4.4.1 Valid Behaviour (BV) tests This test sub group shall verify that the IUT reacts in conformity with the EN, after receipt or exchange of a
25、valid Protocol Data Units (PDUs). Valid PDUs means that the exchange of messages and the content of the exchanged messages are considered as valid. 4.4.2 Invalid Behaviour (BI) tests This test sub group shall verify that the IUT reacts in conformity with the EN, after receipt of a syntactically inva
26、lid PDU. 5 Test Purposes (TP) 5.1 Introduction 5.1.1 TP definition conventions The TPs are defined following particular rules as shown in table 1. Table 1: TP definition rules TP Id according to the TP naming conventions Title Reference PICS Selection TC Reference Initial condition Stimulus and Expe
27、cted behaviour TP Id The TP Id is a unique identifier. It shall be specified according to the TP naming conventions defined in the sub-clause below. Title Short description of test purpose objective. Reference The reference should contain the references of the subject to be validated by the actual T
28、P (specification reference, clause, paragraph). PICS Selection Reference to the PICS statement involved for selection of the TP. Contains a Boolean expression. Only those PICS statements are shown that are explicitly related to the test. TC reference Shows the reference number of the related Test Ca
29、se in the ATS. Initial condition The condition defines in which initial state the IUT has to be to apply the actual TP. Stimulus and Expected behaviour Definition of the events the tester performs, and the events that are expected from the IUT to conform to the base specification. ETSI ETSI TS 102 4
30、86-1-2 V1.2.1 (2008-10)85.1.2 TP naming conventions The identifier of the TP is built according to table 2. Table 2: TP naming convention Identifier: TP/- MAC MAC sub-layer LLC LLC sub-layer= type of SUT OBU On Board Unit RSU Road Side Unit x = Type of testing BV Valid Behaviour Tests BI Invalid Beh
31、aviour Tests = sequential number (01-99) Test Purpose Number 5.1.3 Sources of TP definitions All TPs are specified according to EN 12795 1 and EN 13372 3 with side-information from EN 12253 2. 5.2 MAC test purposes for On-Board Unit 5.2.1 BV test purposes Test subgroup objective: - to test the behav
32、iour of the IUT in relation to syntactically and contextual correct behaviour of the test system. Test purposes: TP/MAC/OBU/BV/01 Verify that the OBU can receive downlink frames of maximum allowed length as defined by N2 Reference: EN 12795 1, clauses 7.3.3, 7.4.3.1.1 d) and annex A PICS Selection:
33、Table A.2/2 AND Table A.5/4 AND Table A.6/7 TC reference: TC_MAC_OBU_BV_01 Initial condition: OBU not in sleep mode and not yet initialized Stimulus and Expected Behaviour: 1. Tester sends downlink frame containing BST, allocating N5 public uplink windows. The number of profiles in the profilelist s
34、hall be such, that the number of octets in the frame equals the maximum number as defined by N2. 2. Verify IUT does send a PrWRq within one of the public uplink windows allocated. TP/MAC/OBU/BV/02 Verify that the OBU can receive a downlink frame following immediately within T1 after the end of an up
35、link frame transmitted by the same OBU Reference: EN 12795 1, clause 7.3.3 and annex A PICS Selection: Table A.2/2 AND Table A.5/4 AND Table A.6/1 TC reference: TC_MAC_OBU_BV_02 Initial condition: OBU not in sleep mode and not yet initialized Stimulus and Expected Behaviour: 1. Tester sends downlink
36、 frame containing BST, allocating N5 public uplink windows. 2. Verify IUT sends a PrWRq in any of the public uplink windows allocated. 3. Tester sends PrWA. 4. Verify IUT sends a VST within the private uplink window allocated. 5. Tester sends ACn command, e.g. DLL ECHO or EFC ECHO, such, that the pr
37、eamble of the ACn command frame starts exactly T1 after the end of the last bit of the end flag of the VST frame. 6. Verify IUT sends the ACn response. ETSI ETSI TS 102 486-1-2 V1.2.1 (2008-10)9TP/MAC/OBU/BV/03 Verify that the OBU implements the timing constraints T3, T4b and T5 for public uplink wi
38、ndows Reference: EN 12795 1, clause 7.3.4.2 and annex A PICS Selection: Table A.2/2 AND Table A.6/3 AND Table A.6/5 AND Table A.6/6 TC reference: TC_MAC_OBU_BV_03 Initial condition: OBU not in sleep mode and not yet initialized Stimulus and Expected Behaviour: 1. Tester sends downlink frame containi
39、ng BST, allocating N5 public uplink windows. 2. Verify IUT sends a PrWRq in one of the public uplink windows allocated. 3. Tester records time: Ts from the end of last bit of the end flag of the BST frame until the beginning of the preamble of the PrWRq frame, and time. Te from the end of last bit o
40、f the end flag of the BST frame until the end of the last bit of the end flag of the PrWRq frame. 4. Verify IUT behaves according to table 3. 5. Repeat the previous steps until the IUT has selected each of the N5 public uplink windows at least once. Table 3: Timing for public uplink window Public up
41、link window number Start time Ts End time Te 1 T3 N4) in a frame in a public uplink window Reference: EN 12795 1, clauses 7.3.4.2 and 7.4.2.1.1 e) PICS Selection: Table B.2/2 AND Table B.4/7 and Table B.7/1 TC reference: TC_MAC_RSU_BI_21 Initial condition: RSU is periodically inviting for initializa
42、tion, i.e. sending BST with subsequent allocation of N5 public uplink windows. No private LID is registered Stimulus and Expected Behaviour: 1. Tester sends PrWRq in one of the allocated public uplink windows. 2. Verify IUT allocates a private uplink window. 3. Tester ignores all receptions of PrWA.
43、 4. Verify IUT sends a further BST with subsequent allocation of N5 public uplink windows. 5. Without changing private LID, tester sends VST in the first public uplink window allocated. 6. Verify IUT does not acknowledge VST by sending a privately addressed frame. ETSI ETSI TS 102 486-1-2 V1.2.1 (20
44、08-10)265.4 LLC test purposes for On-Board Unit 5.4.1 BV test purposes Test subgroup objective: - to test the behaviour of the IUT in relation to syntactically and contextual correct behaviour of the test system. Test purposes: TP/LLC/OBU/BV/01 Verify that the OBU can exchange UI commands. Reference
45、: EN 12795 1, clause 8.4.2 PICS Selection: Table A2/2 AND Table A.10/1 AND Table A.11/1 TC reference: TC_LLC_OBU_BV_01 Initial condition: OBU not in sleep mode and not yet initialized Stimulus and Expected Behaviour: 1. Tester sends an UI command containing a BST. 2. Verify IUT replies with an UI co
46、mmand containing a VST, with the poll bit in the LLC control field set to P=0. TP/LLC/OBU/BV/02 Verify that the OBU can manage ACn data transmission. Reference: EN 12795 1, clause 8.4.3.5 PICS Selection: Table A.8/2 AND Table A.13/2 AND Table A.14/1 AND Table A.14/3 AND Table A.14/5 AND Table A.14/7
47、 AND Table A.15/1 TC reference: TC_LLC_OBU_BV_02 Initial condition: OBU initialized Stimulus and Expected Behaviour: 1. Tester sends an AC0 command with Poll bit set to 0. 2. Verify IUT replies with an AC1 response with Final bit set to 0 and status subfield equal to NR_OK. 3. Tester sends an AC1 co
48、mmand with Poll bit set to 0. 4. Verify IUT replies with an AC0 response with Final bit set to 0 and status subfield equal to NR_OK. TP/LLC/OBU/BV/03 Verify that the OBU can manage ACn data exchange. Reference: EN 12795 1, clause 8.4.3.5 PICS Selection: Table A.8/2 AND Table A.13/3 AND Table A.14/2
49、AND Table A.14/4 AND Table A.14/6 AND Table A.14/8 AND Table A.15/1 TC reference: TC_LLC_OBU_BV_03 Initial condition: OBU initialized, prepared to allow for retrieval of data without causing late response Stimulus and Expected Behaviour: 1. Tester sends an AC0 command with poll bit set to P=1 requesting retrieval of data from the IUT. 2. Verify IUT provides the requested data in the LSDU subfield of an AC1 response, with final bit set to F=1 and with the status subfield indicating OK_OK. 3. Tester sends an AC1 command
