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Published byBlanche Fournier Modified over 6 years ago
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Frequency Regulation – Global Update for Automotive Radars
New Features for Automotive Radars, February 20-22, 2018, Stuttgart, Germany Thomas Weber, ECO, Spectrum Management
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Content Organisation in CEPT dealing with Automotive Radars
Recall: European 2-phase plan 63-64 GHz 76-77 GHz 77-81 GHz Global implementation overview Other sensor applications to join Sensors > 95 GHz Call for demand
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Communications Committee Communications Office
Structure of the CEPT ECC Electronic Communications Committee Chairman: E. Fournier (F) Vice-Chairmen: S. Pastukh (RUS) J. Afonso (POR) European Communications Office Director: P. Christensen (DNK) Deputy Director: B. Espinosa (F) Steering Group WG FM Frequency Management Chairman: T. Weilacher (D) Vice-Chairmen: V. Durepaire (F) S. Talbot (G) WG SE Spectrum Engineering K. Loew (D) J. Duque (POR) k. Bejuk (HRV) WG CPG Conference Preparatory Group A. Kühn (D) Vice-Chairman: G. Osinga (HOL) A. Kholod (SUI) WG NaN Numbering and Networks J. Vallesverd (NOR) E. Greenberg (G) V. Krastev (D) IMT-Matters S. Green (G) V. Poskakukhin (RUS) ECC PT1
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63-64 GHz Major Review started for GHz – ITS / Automotive may change ITS GHz (can also be used for radar sensors) is not questioned in total (a policy opinion suggests to keep it) BUT a process is on-gong to find a better harmonisation approach for all applications under general authorisation regime The focus is on fixed application under license-exempt regulation in the GHz range for 5G small cells backhauling and wireless access, while nomadic and mobile use should not be excluded. The effect of alignment of the ITS band with the channelling of the wideband data transmission system should also be considered. ETSI is creating a common proposal in a new System Reference Document in support of the process (TR ) Target: 0/2019
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Sensors GHz Studies completed for GHz Fixed Radars vs Automotive Radars-ECC Report 262 Regulatory framework has been revised - Aim: Ensure future coexistence conditions – Change in ERC Recommendation in 2017: Detailed technical parameters (scanning nature, illumination time, silent time) for fixed radars will be reflected in the harmonised standard ETSI EN for fixed radars.
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Sensors GHz 77-81 GHz has been designated for long term solution in Europe – though GHz -> no time limitation in Europe GHz-> no continuation (above GHz: 5G in future in Europe) ECC Decision (04)03 for GHz is under reviewed New ETSI Proposal (System Reference Document) for the Revision Regulation for 77-81GHz for automotive radars in preparation Common regulation GHz (no split GHz and GHz - Include GHz in the GHz regulation. Power limit defined as -3dB / -9dB behind the bumper in ECC/DEC(04)03 and Decision 2004/545/EC. Proposal to simplify and withdraw the naming of the bumber loss.
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Global Implementation Overview
USA: in July 2017 the FCC expanded the GHz band to include the entire GHz band for car radars. Canada and Brazil follow the FCC China: study triggered in Target: SRRC /SRTC new regulation Japan: will follow outcome under AI 1.18 of WRC-15 Note that implementation of WRC-15 results may take some years.
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Other Sensor Applications will join in 74-81 GHz
Several proposals underway in Europe: Level Probing Radars Widened scope of applications – not only radiating downwards GBSAR Currently at 17 GHz moving to HD- Ground-based SAR Surveillance of changes e.g. volcanos, big buildings, bridges ETSI Proposals for studies in CEPT underway Don’t be afraid: new applications will be studied for their impact on other applications in the spectrum incl. automotive radars The location, the usage density of such new radar sensor applications, the technical details of the transmissions may not make interference very likely But the success of automotive radar in GHz will create other sensor applications as we have seen in GHz (wingtips, helicopters, level crossings, fixed radars)
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Sensors > 95 GHz A considerable part of the spectrum above 100 GHz shows entries for passive services. FCC action noted - Opening GHz to Commercial Use – FCC A potential demand is seen for sensor applications, also within the automotive field. New ETSI proposal (Srdoc) for UWB radiodetermination applications within the frequency range 120GHz to 260GHz in preparation. So far, no demand seen from automotive. There are no existing military applications above 100 GHz The allocation status is identical for all three ITU-R regions. Fixed Service channelisation arrangements (ECC Recommendation (18)01) in preparation for radio frequency channel/block arrangements for Fixed Service systems operating in the bands GHz, GHz, GHz and GHz A promising frequency option could be 134/ GHz (with radiolocation, amateur and RAS allocations) while there is also a radiolocation allocation up to GHz (above 141 GHz, also FS and MS allocations) It’s the right time to report/set out demand NOW
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Thank you for you attention
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