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Multi-protocol electronic toll collection system

An electronic toll collection system, multi-protocol technology, applied in transmission systems, near-field transmission systems, near-field transmission systems in transponders, etc.

Inactive Publication Date: 2013-04-03
KAPSCH TRAFFICCOM CANADA
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Therefore, there is no interoperability between devices of different manufacturers

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  • Multi-protocol electronic toll collection system
  • Multi-protocol electronic toll collection system
  • Multi-protocol electronic toll collection system

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Embodiment Construction

[0022] Hereinafter, reference will be made to the primary communication protocol and the secondary communication protocol. In some cases, they may be referred to as a first communication protocol and a second communication protocol. Although the exemplary embodiments described in this application refer to first and second (or, equivalently, primary and secondary) communication protocols, this application applies to multiple protocols more broadly, and, in some cases, Implementations with three or more communication protocols may be included.

[0023] First refer to figure 1 , the figure represents an exemplary embodiment of a multi-protocol Electronic Toll Collection (ETC) system, generally indicated by reference numeral 10 . In one embodiment, electronic toll collection system 10 is associated with a gated toll plaza. In another embodiment, the ETC system 10 is associated with an open road pricing processing area. Other exemplary applications of the electronic toll collec...

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Abstract

A system and method for dynamically selecting a communication protocol in an electronic toll collection system. A reader includes two or more multiprotocol transceivers operating under the control of a processor, each transceiver having a dedicated antenna. The system uses a fixed frame duration. A first communications protocol is used in a first portion of the fixed frame duration. If a response signal is not detected within the first portion, then the system ceases using the first communication protocol and instead uses the second communications protocol for the remainder of the fixed frame duration. The fixed frame duration is shorter than the sum of the durations normally used by the first and second communications protocol to conduct electronic toll transaction communications.

Description

technical field [0001] The present disclosure relates to electronic toll collection (ETC) systems, and more particularly to multi-protocol ETC systems and methods of selecting an operating protocol in a multi-protocol ETC system. Background technique [0002] The ETC system uses RF communications between a vehicle-mounted transponder (“tag”) and a stationary tollbooth transceiver (“reader”) to conduct toll transactions electronically. [0003] In some ETC systems, the reader broadcasts a polling or trigger RF signal. Transponders on vehicles passing through the broadcast zone or area detect the polling or trigger signal and respond with their own RF signal. The transponder responds by sending a response signal containing information stored in memory in the transponder, such as the transponder ID number. The reader receives the response signal and may conduct the electronic toll transaction, such as by debiting the user account associated with the transponder ID number. Th...

Claims

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Application Information

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IPC IPC(8): G07B15/06H04B1/59H04L29/06
CPCG06K7/0008H04B5/00G07B15/063G06K7/10297G06K19/00H04B5/0068H04B5/45
Inventor J·考赫利R·图尔诺克
Owner KAPSCH TRAFFICCOM CANADA
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