UWB-based vehicle positioning system and method

A vehicle positioning and positioning system technology, which is applied in the field of automatic toll collection for parking, can solve the problems that the positioning technology cannot be applied in the field of automatic toll collection for parking, and achieves low cost, high positioning accuracy and good stability

Active Publication Date: 2016-12-07
SHENZHEN GENVICT TECH
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Problems solved by technology

[0003] The purpose of the present invention is to provide a UWB-based vehicle positioning system and positioning metho

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  • UWB-based vehicle positioning system and method
  • UWB-based vehicle positioning system and method
  • UWB-based vehicle positioning system and method

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Embodiment Construction

[0040] In order to make the solution of the present invention clearer, the following further describes the present invention in detail with examples. These more detailed descriptions are intended to help understand the present invention, and should not be used to limit the present invention. Based on the disclosure of the present invention, those skilled in the art understand that the present invention may be implemented without some or all of these specific details. In other cases, in order to avoid diluting the invention and creation, the well-known operation process is not described in detail.

[0041] figure 1 The principle and structure of the first embodiment are schematically shown in. Please refer to figure 1 , The first embodiment is based on the UWB vehicle positioning system includes: UWB electronic tags (not shown in the figure), four UWB base stations 11-14, and used to determine the location information of the vehicle based on the parameter values ​​from at least t...

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Abstract

The invention provides a UWB-based vehicle positioning system and method. The positioning system comprises a UWB electronic label arranged on a vehicle; a plurality of UWB base stations arranged in a parking area at intervals; and a processing apparatus used for determining position information of the vehicle according to parameter values from at least three UWB base stations. The positioning method comprises the following steps: receiving clock synchronization signals emitted by a synchronization signal emission device, and synchronizing a synchronization clock in real time; receiving wireless positioning signals emitted by the UWB electronic label carried by the vehicle entering the parking area; and after the wireless positioning signals are received, according to the synchronization clock, generating receiving time, sending the receiving time to the processing apparatus so as to enable the processing apparatus to calculate the position of the vehicle according to the receiving time of the same wireless positioning signals respectively received by the at least three UWB base stations. The system and method have the advantages of high positioning precision, good stability and the like.

Description

Technical field [0001] The present invention relates to a vehicle positioning system and method, and more specifically, to a UWB-based vehicle positioning system and positioning method, which is mainly used in the field of automatic parking charges in parking lots, stations, roadside / in-street parking areas. Background technique [0002] With the proliferation of motor vehicles, the need for intelligent management of parking lots is becoming more and more urgent. Global Positioning System (GPS) is currently the most successful positioning technology, but for indoor short-range positioning, its accuracy is far from reaching the requirements. Based on the widespread wireless local area network (WLAN) communication technology, such as Zigbee, RFID, WiFi, Bluetooth technology, etc., a variety of location services are also provided. The positioning technology based on ZigBee is mainly realized by the received signal strength indicator (RSSI), and the positioning accuracy is not high,...

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Application Information

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IPC IPC(8): G08G1/017G07B15/02H04B1/7163
Inventor 杨耿段作义杨成
Owner SHENZHEN GENVICT TECH
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