CEN/TR 15762-2008
道路运输和交通远程信息技术.电子收费(EFC).确保安装在金属化挡风玻璃后面的电子收费设备正确工作

Road transport and traffic telematics - Electronic fee collection (EFC) - Ensuring the correct function of EFC equipment installed behind metallised windshield

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标准号

CEN/TR 15762-2008

发布日期

2008年07月01日

实施日期

废止日期

无

国际标准分类号

35.240.60

发布单位

IX-CEN

适用范围

Metallised windscreens are produced by spraying small metal particles on one of the glass or plastic layers of the vehicle’s windscreen. This leads to a windscreen with high thermal qualities, ranging from far-reduced power consumption by air-conditioning equipment to short times for de-icing. The production of certain vehicles in Europe which were equipped with metallised windscreens has created a major problem for the installation and operation of On-Board Units (OBUs) which rely on Dedicated Short- Range Communications (DSRC) for ITS (as the most-widely deployed DSRC ITS application to date, the remainder of this report will refer to Electronic Toll Collection (EFC) but the developed solutions will be valid for all DSRC ITS applications). As is shown in Table 1, windscreen properties have a decisive influence on the transmission of microwave communication and, for metallised windows, it is essential to compensate these losses by special measures (Ref 1). As cars equipped with metallised windows are being shipped in large numbers since July 1997, this problem needs to be addressed. It is important to note that the solution proposed is valid for passenger cars and not for vehicles with near-tovertical windscreens such as trucks and buses.

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