Automotive radar was introduced for driver assistance and also for applications of active and passive safety. Examples are collision warning and intelligent brake assist as well as collision mitigation by tightening seat belts on the passive safety side. These technologies can contribute to enhancing road safety. Increasingly UWB SRR is used for these applications. UWB SRR emits at extremely low power but with a broad bandwidth to achieve high local resolution (bandwidth up to 5 GHz). A precondition for designing, producing and selling cars equipped with this technology is an available frequency allocation set forth in the national frequency plan of the countries. Even for narrow band radar operating in open ISM bands, special national boundary conditions exist in some countries (bandwidth 250 MHz but in some countries only 100 MHz or 76 MHz.) Due to the low bandwidth available and the resulting limited local resolution the number of possible applications is also limited using narrowband technology. Development of Long Range Radar (LRR) used for Adaptive Cruise Control (ACC) created a need within the automotive industry for a dedicated frequency allocation. The frequency allocation for ACC operating in the frequency range 76-77 GHz was achieved in the 1990's. By contrast, work for UWB SRR (Ultra-Wide Band Short Range Radar), operating in the frequency range 22-29 GHz and 77-81 GHz is still ongoing. Because of the complexity of the frequency allocation process for UWB technologies, an industrial group named SARA (Short range Automotive Radar frequency Allocation) was formed in 2001. In recent years, the SARA group has expanded the focus of its activity from UWB SRR to general frequency needs for automotive radar. With this new focus, SARA has become the Strategic Automotive Radar Frequency Allocation group. SARA today is an industrial group with more than 30 members from the automotive industry (car manufacturers, system suppliers, component suppliers) worldwide. SARA supports maintenance of frequency allocation as an important and a long term task. For example, a previous World Radio communication Conference allocated Radio Astronomy bands in the frequency range where ACC is operating. SARA was active to keep the ACC bands open. Otherwise ACC bands would have been closed and ACC based on radar would not be possible any longer. Since frequency management is not only a technical but also a political process SARA is active in lobbying for automotive radar and works also in public relation


    Zugriff

    Zugriff über TIB

    Verfügbarkeit in meiner Bibliothek prüfen


    Exportieren, teilen und zitieren



    Titel :

    Frequency requirements for automotive radar - impact of SARA


    Weitere Titelangaben:

    Anforderungen an die Radarfrequenzen für Fahrzeuge - Einfluß des Industrieverbandes SARA


    Beteiligte:


    Erscheinungsdatum :

    2008


    Format / Umfang :

    5 Seiten, 6 Bilder, 6 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Automotive Radar Sensors - Capabilities & Requirements

    Reed, John | SAE Technical Papers | 1995


    System requirements overview for automotive radar antennas

    Hoare, E. / Hill, R. / IEE | British Library Conference Proceedings | 2000


    Sara Maatje XVI

    Online Contents | 2005


    SARA changes tack

    British Library Online Contents | 1999


    SARA wird aktiv. Nahbereichsradar

    Blumenstock,K.U. | Kraftfahrwesen | 2004