Vehicle-mounted unit awaken sensitivity adjusting method and system thereof

A wake-up sensitivity, on-board unit technology, applied in instruments, ticketing equipment, etc., can solve the problem of different wake-up sensitivity, and achieve the effect of simple algorithm logic, quick adjustment, and easy realization.

Inactive Publication Date: 2017-11-24
上海搜林信息技术有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0007] The purpose of the present invention is to provide a system that can automatically adjust the wake-up sensitivity of the vehicle-mounted unit for the secondary issuance of the vehicle-mounted unit based on the above-mentioned problems, so as

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  • Vehicle-mounted unit awaken sensitivity adjusting method and system thereof

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Embodiment Construction

[0015] The present invention will be described in further detail below in conjunction with accompanying drawing and embodiment:

[0016] See first figure 1 , figure 1 is a flowchart of an embodiment of the present invention. Such as figure 1 As shown, the sensitivity adjustment of an embodiment of the present invention includes the following steps:

[0017] The first step is to set the farthest transaction distance. According to the requirements of the lane transaction area of ​​non-stop charging system in various places, the farthest end of the transaction is formulated according to the standard requirements. In this embodiment, the far end is 6m as an example. Drive the vehicle with the on-board unit installed to the designated location, that is, let the position of the on-board unit and the antenna be at a horizontal distance of 6 meters (the farthest trading position in the trading area), and the issuer will start the automatic adjustment function for the wake-up sensi...

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Abstract

The invention provides a vehicle-mounted unit awaken sensitivity automatic adjusting method and system, and solves the problem of inconsistency of the vehicle-mounted unit awaken sensitivity. The method comprises the following steps that an issuing device transmits an awaken signal according to the standard power at the farthest transaction distance specified by the vehicle standard, if the issuing device receives a vehicle-mounted unit response signal, the vehicle-mounted unit is instructed to decrease the awaken sensitivity for one step until the response signal cannot be received, and the awaken signal is transmitted by using the higher second power to awaken the vehicle-mounted unit and instruct the vehicle-mounted unit to increase the awaken sensitivity for one step; and if the issuing device does not receive the vehicle-mounted unit response signal, the awaken signal is transmitted by using the higher second power to awaken the vehicle-mounted unit and instruct the vehicle-mounted unit to increase the awaken sensitivity for one step, and then the awaken signal is transmitted by using the standard power until the response signal can be received. The method and the system are easy to implement and accurate and simple and can realize accurate adjustment without other steps.

Description

technical field [0001] The invention relates to a method for adjusting a vehicle-mounted unit of a non-parking electronic toll collection system, in particular to a method for adjusting the wake-up sensitivity of the vehicle-mounted unit and a system thereof. Background technique [0002] In the non-parking electronic toll collection system, the issuance of the on-board unit is generally divided into two steps: primary issuance and secondary issuance according to the required security level. An issuance is generally carried out at the distribution center, and its main function is to replace the initial key of the vehicle unit and update the system information file. Generally, it needs to be issued online, and the key calculation involved in the issuance can use an encryption machine or a master card. Secondary issuance is generally carried out at customer service centers or business outlets, and its main function is to write personalized information such as vehicle informat...

Claims

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Application Information

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IPC IPC(8): G07B15/06
CPCG07B15/063
Inventor 林敬东
Owner 上海搜林信息技术有限公司
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