WLAN-based no-stop electronic toll collection system and the implementation thereof
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United States of America Patent
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Aug 16, 2011
Grant Date -
May 14, 2009
app pub date -
Aug 3, 2006
filing date -
Nov 25, 2005
priority date (Note) -
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Abstract
A no-stop electronic toll collection (ETC) system based on WLAN is disclosed in the present invention. The system includes an on-board equipment, roadside equipments, a multiple access carriageway control system and a toll balance center. The communication is implemented between the on-board equipment and the roadside equipments according to the demand determined by the wireless local network protocol. The system offered in the present invention applies several technology means to effectively overcome the technology prejudice that the WLAN technology is not suitable for the ETC system. Compared with the existing technology, the present ETC system has the advantages of low cost, high efficiency, complete function and good performance index, therefore the present invention is very meaningful for the application and extension of the ETC system and the improvement of the industrial technology.
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