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ETSI TR 102 892-2011 Electromagnetic compatibility and Radio spectrum Matters (ERM) SRD radar equipment using Wideband Low Activity Mode (WLAM) and operating in the frequency range D.pdf

1、 ETSI TR 102 892 V1.1.2 (2011-07)Technical Report Electromagnetic compatibilityand Radio spectrum Matters (ERM);SRD radar equipment usingWideband Low Activity Mode (WLAM) and operating in thefrequency range from 24,05 GHz to 24,50 GHz;System Reference DocumentETSI ETSI TR 102 892 V1.1.2 (2011-07) 2R

2、eference RTR/ERM-TGSRR-058 Keywords radar, radio, SRDOC ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Importan

3、t notice Individual copies of the present document can be downloaded from: http:/www.etsi.org The present document may be made available in more than one electronic version or in print. In any case of existing or perceived difference in contents between such versions, the reference version is the Po

4、rtable Document Format (PDF). In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Informat

5、ion on the current status of this and other ETSI documents is available at http:/portal.etsi.org/tb/status/status.asp If you find errors in the present document, please send your comment to one of the following services: http:/portal.etsi.org/chaircor/ETSI_support.asp Copyright Notification No part

6、may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2011. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are Trade Marks of ETSI registered fo

7、r the benefit of its Members. 3GPPTM and LTE are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and owned by the GSM Association. ETSI ETSI TR 102 892 V1.1.2 (2011-07) 3Contents Intellectual Prope

8、rty Rights 5g3Foreword . 5g3Executive summary 5g3Introduction 6g31 Scope 7g32 References 7g32.1 Normative references . 7g32.2 Informative references 7g33 Definitions, symbols and abbreviations . 9g33.1 Definitions 9g33.2 Symbols 9g33.3 Abbreviations . 10g34 Comments on the System Reference Document

9、10g35 Background information. 10g35.1 The current situation, 24 GHz NB versus 24 GHz WLAM 10g35.2 The 24 GHz UWB Radars 11g35.3 The socio-economic benefits 12g36 Market information. 12g36.1 General . 12g36.2 Availability of 24 GHz NB radar and WLAM applications . 12g36.3 Production volumes 13g36.4 O

10、utlook . 13g37 Technical information 14g37.1 Detailed technical description 14g37.2 Status of technical parameters 14g37.2.1 Current ITU and European Common Allocations 14g37.2.2 Sharing and compatibility studies (if any) already available 15g37.2.3 Sharing and compatibility issues still to be consi

11、dered. 15g37.2.3.1 Scenario with WLAM in calibration mode . 15g37.2.3.2 Scenario with WLAM in rear parking mode . 16g37.3 Parameters 16g37.4 Information on relevant standard(s) . 17g38 Radio spectrum request and justification . 18g39 Regulations . 18g39.1 Current regulations . 18g39.2 Proposed Regul

12、ation and Justification . 18g3Annex A: Detailed market information . 19g3A.1 Applications . 19g3A.2 Market 21g3A.2.1 Socio-economic benefit and Safety contribution 21g3Annex B: Technical information 23g3B.1 Technical description . 23g3B.1.1 24 GHz NB systems overview . 23g3B.1.2 Design consideration

13、s to go from 24 GHz NB to WLAM systems 23g3B.1.3 WLAM activation. 24g3B.1.3.1 WLAM activation principle 24g3ETSI ETSI TR 102 892 V1.1.2 (2011-07) 4B.1.3.2 WLAM activation conditions . 25g3B.2 Technical justifications for spectrum . 25g3B.2.1 Power issues . 25g3B.2.2 Frequency issues 27g3B.2.3 WLAM a

14、ctivity factor 27g3B.2.3.1 Activation conditions of the WLAM mode 27g3B.2.3.2 Controllability of the WLAM mode . 28g3B.2.3.3 Scenario 1: Active braking for Pedestrian Protection Support (APPS) 28g3B.2.3.4 Scenario 2: rear parking mode 30g3B.2.3.5 Low-Power Calibration Mode 30g3B.2.3.6 Summary of the

15、 activity factor for the WLAM mode . 31g3B.2.3.7 Statistics about travel duration 31g3B.2.3.8 Rear Parking scenario . 32g3B.2.3.8.1 Time per rear parking manoeuvre . 32g3B.2.3.8.2 Dimensions of Parking Lots (reference for the shadowing effect) 33g3B.2.3.9 EBU view about the SAP/SAB deployment at 24

16、GHz 33g3B.3 Information on performance benchmarking with other short range radar solutions 34g3Annex C: Bibliography 36g3History 37g3ETSI ETSI TR 102 892 V1.1.2 (2011-07) 5Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The

17、 information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available fro

18、m the ETSI Secretariat. Latest updates are available on the ETSI Web server (http:/ipr.etsi.org). Pursuant to the ETSI 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

19、 the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Foreword This Technical Report (TR) has been produced by ETSI Technical Committee Electromagnetic compatibility and Radio spectrum Matters (ERM). Executive summary The European Unions eSafety

20、 Initiative in 2003 established the goal to reduce the number of road fatalities by 50 % up to the year 2010. According to some accident studies referred to in TR 102 664 i.9, rear-end collisions dominate in collision statistics. The 2ndMandate of the European Commission on SRR i.4 calls for alterna

21、tive regulatory options for short range radars. The proposed regulation is based on the existing 24 GHz NB radar operating in the 24,05 GHz to 24,25 GHz band and is related to a supplementary mode for an extension band which ranges from 24,25 GHz to 24,50 GHz and operates with a low-activity factor.

22、 In certain driving situations, this supplementary mode will be activated. It extends the usable radar bandwidth from 200 MHz (ISM Mode) to 450 MHz (WLAM Mode). WLAM is seen as being complementary to existing regulations for automotive radar applications. This regulatory solution does not compete wi

23、th long range solutions which can be addressed by 77 GHz to 79 GHz. The addition of the WLAM extension mode to the present 24 GHz NB radars will minimize the investment required. The present document describes the need for an improvement of the existing 24 GHz NB automotive radars. The following inf

24、ormation is important to note: 1) The 24 GHz NB technology has been successfully deployed since it covers most of the short/mid-range driving assistance and safety features required to the front and rear of the car, based on a 200 MHz bandwidth. 2) Many car-makers have invested in the 24 GHz NB tech

25、nology which is in line with the frequency allocation strategy defined by the CEPT and European Commission. 3) The WLAM mode will improve the 24 GHz NB technology in specific driving situations, where a larger bandwidth is required to discriminate specific targets such as pedestrians in parking lots

26、 or cities. 4) The WLAM mode is expected to comply with the protection of the passive services between 23,6 GHz to 24 GHz. 5) The WLAM mode is not seen to impact the fixed services implemented between 24,5 GHz and 26,5 GHz. 6) The WLAM mode is using a bandwidth also designated for SAP/SAB temporary

27、applications, which are unidirectional fixed links. 7) The radar technology is available. A short term safety benefit can be achieved at a limited add-on development cost. Add-on system cost due of additional sensors for front radar WLAM activation and pedestrian recognition and time for the impleme

28、ntation of these technologies are not regarded in the present document. ETSI ETSI TR 102 892 V1.1.2 (2011-07) 6Introduction The present document has been developed to support the co-operation between ETSI and the Electronic Communications Committee (ECC) of the European Conference of Post and Teleco

29、mmunications Administrations (CEPT) for internal reference within ETSI. The European Commission has issued a new Mandate i.4 to the ECC related to automotive Short Range Radars (SRR), whose purpose is divided in two different parts. Part 1 of the Mandate is linked to the fundamental review as define

30、d in EC Decision 2005/50/EC i.1 related to the harmonization of the 24 GHz range radio spectrum band for the time-limited use by automotive short-range radar equipment in the community. According to Part 2, this mandate also requires studies regarding alternative solutions for radar-based road-safet

31、y applications. An open question raised is on: “CEPT is mandated to, where any alternative bands are to be considered for automotive short-range radar systems, propose appropriate technical and regulatory measures to ensure the protection of existing radio services in or near any such bands.“ ECC WG

32、FM has requested ETSI TC ERM to create an ETSI System Reference document on WLAM. ERM#39 adopted a new work item for the creation of such an ETSI System Reference document. The present document is intended to deliver the technical characteristics necessary to describe the spectrum needs, the expecte

33、d usage scenario and technical performance and implementation aspects for 24 GHz WLAM equipment. In addition, related market information is provided. ETSI ETSI TR 102 892 V1.1.2 (2011-07) 71 Scope The present document provides information on short range device equipment using the Wideband Low Activi

34、ty Mode (WLAM) and operating in the frequency range from 24,05 GHz to 24,50 GHz noting that the WLAM mode is activated in certain use cases. The primary application focus is pedestrian detection and protection. The present document includes the necessary information to support the co-operation betwe

35、en ETSI and the ECC including: market information; technical information; regulatory issues. 2 References References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-speci

36、fic references, the latest version of the reference document (including any amendments) applies. Referenced documents which are not found to be publicly available in the expected location might be found at http:/docbox.etsi.org/Reference. NOTE: While any hyperlinks included in this clause were valid

37、 at the time of publication ETSI cannot guarantee their long term validity. 2.1 Normative references The following referenced documents are necessary for the application of the present document. Not applicable. 2.2 Informative references The following referenced documents are not necessary for the a

38、pplication of the present document but they assist the user with regard to a particular subject area. i.1 Commission Directive 2005/50/EC of 11 August 2005 on the reclassification of hip, knee and shoulder joint replacements in the framework of Council Directive 93/42/EEC concerning medical devices.

39、 NOTE: Notified under document number C(2005)34. i.2 CEPT ECC/DEC/(04)10: ECC Decision of 12 November 2004 on the frequency bands to be designated for the temporary introduction of Automotive Short Range Radars (SRR) (2004/545/EC) and (2005/50/EC) amended 5 September 2007. i.3 CEPT ECC/DEC/(04)03: E

40、CC Decision of 19 March 2004 on the frequency band 77-81 GHz to be designated for the use of Automotive Short Range Radars. i.4 2nd Mandate of the European Commission on SRR (document RSCOM08-81 Final of 7 November 2008). i.5 CEPT ERC Report 36: “Sharing between the Fixed Service and the Radio Astro

41、nomy Service in the Frequency Range 3.4 GHz - 105 GHz“. ETSI ETSI TR 102 892 V1.1.2 (2011-07) 8i.6 Commission Decision 2004/545/EC of 8 July 2004 on the harmonisation of radio spectrum in the 79 GHz range for the use of automotive short-range radar equipment in the Community (notified under document

42、 number C(2004) 2591)(Text with EEA relevance). NOTE: Notified under document number C(2004)2591. i.7 CEPT/ERC/Recommendation 74-01E: “Unwanted Emissions in the Spurious Domain“. i.8 CEPT/ERC/Recommendation 70-03: “Relating to the use of Short Range Devices (SRD)“. i.9 ETSI TR 102 664 (V1.2.1): “Ele

43、ctromagnetic compatibility and Radio spectrum Matters (ERM); Road Transport and Traffic Telematics (RTTT); Short range radar to be used in the 24 GHz to 27,5 GHz band; System Reference document“. i.10 Commission Decision 2009/381/EC of 13 May 2009 amending Decision 2006/771/EC on harmonisation of th

44、e radio spectrum for use by short-range devices (Text with EEA relevance). NOTE: Notified under document number C(2009) 3710). i.11 ECC Report 23: “Compatibility of automotive collision warning Short Range Radar operating at 24 GHz with FS, EESS and Radio Astronomy“ . i.12 CEPT/ECC Report 002: “Harm

45、onisation of the Frequency usage within the additional frequency band of 2500-2690 MHz to be made available for IMT-2000/UMTS systems in Europe“. i.13 Regulation (EC) No 661/2009 of the European Parliament and of the council of 13 July 2009 concerning type-approval requirements for the general safet

46、y of motor vehicles, their trailers and systems, components and separate technical units intended therefor. i.14 INSEE (Institut national de la statistique et des tudes conomiques) website: “Statistics on accidents with pedestrians in France in 2008“. NOTE: http:/www.insee.fr/fr/default.asp. i.15 IN

47、SEE (Institut national de la statistique et des tudes conomiques) website: “Overview of car accidents in France in 2008“. NOTE: http:/www.insee.fr/fr/default.asp. i.16 INSEE (Institut national de la statistique et des tudes conomiques) Premire N 1129-March 2007. Statistics of the distance between em

48、ployees home and work in France. Website. NOTE: http:/www.insee.fr/fr/themes/document.asp?reg_id=0 Short range devices; Radio equipment to be used in the 1 GHz to 40 GHz frequency range“. i.18 ETSI EN 302 858: “Electromagnetic compatibility and Radio spectrum Matters (ERM); Road Transport and Traffi

49、c Telematics (RTTT); Short range radar equipment operating in the 24,05 GHz to 24,25 GHz frequency range for automotive application; Part 1: Technical characteristics and test methods“. i.19 ETSI EN 302 288-2 (V1.3.2): “Electromagnetic compatibility and Radio spectrum Matters (ERM); Short Range Devices; Road Transport and Traffic Telematics (RTTT); Short range radar equipment operating in the 24 GHz range; Part 2: Harmonized EN covering the essential requirements of article 3.2 of the R the 79 GHz frequency range

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