NDLI: Automatic vehicle identification on busy multi-lane city roads

Content Provider	IEEE Xplore Digital Library
Author	Do, M.A. Ong, J.T. Chang, C.H. Ooi, T.H. Mital, D.
Copyright Year	1991
Description	Author affiliation: Nanyang Technological University, Singapore (Do, M.A.)
Abstract	The problems of using existing automatic vehicle identification (AVI) systems for detection of vehicles on the busy city roads arise because physical barriers between lanes in the city toll sites are not desirable, while the traffic does not always comply with the lane disciplines. A new AVI system is described in this paper using the randomised time division multiplexing (TDM) technique for detecting several vehicles simultaneously entering the detection zone. Laboratory experiments carried out for up to 8 identification tags at the same time showed that all replies were detected for 900 interrogations. The collision of replying signals did not occur. The high speed transmission of serial data has, however, an error rate of 3 % - 7 %. Under the laboratory conditions, the detection errors were eliminated simply by allowing the tags to reply twice.
Starting Page	989
Ending Page	997
File Size	679229
Page Count	9
File Format	PDF
DOI	10.1109/VNIS.1991.205844
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1991-10-20
Access Restriction	Subscribed
Rights Holder	Non IEEE
Subject Keyword	Road vehicles Cities and towns Vehicle detection Enterprise resource planning Cameras Time division multiplexing Pricing Road transportation Technical Activities Guide -TAG Radar detection
Content Type	Text
Resource Type	Article

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