Application and Research of Active RFID-Based Positioning System in Sport Competition

Jing Ning
2016 International Journal of Future Generation Communication and Networking  
In this paper, it has made a deep research to the application of RFID positioning in sports competitions. It also researched the application of VIRE algorithm in positioning system, and proposed an improved VIRE algorithm, also chose the appropriate interpolation method. Through the improved location algorithm, it builds a relationship between the distance and time in finish line of the athlete, and solves the function to make sure the time that athletes reach the finish line, so that it can
more » ... ieve the purpose of timing. RFID positioning technology has made the communication between readers and tags by wireless RF, to achieve the identification and application. Although the range is short of RFID positioning technology, the accuracy of non-contact position can reach centimeter-level, and the cost is low. Therefore, it is suitable for small positioning system, its working principle shown in Figure 1 [3]. The specific deployment of VIRE algorithm is shown in Figure 2 [7]. Suppose that arrange four reference labels, wherein covering scope of four labels were grid settings. Although the reader did not show a layout position in the diagram, when you are in actual deployment and out of reference tag, it also makes reference tag in the reading range of readers. 179 the endpoint, and only one is located in the center. The distance of each grid is 3m, and reader to reference label is 1m away. Figure 6 , because the improved algorithm reference label uses the squared deployment, so the regional division to virtual label is more detailed than VIRE algorithm. The enhancement of number of reference label is benefit for the construction of RSSI distribution, and is more accurate. 183 As shown in Figure 12 , the whole system is divided into five modules: data storage module, position algorithm module, configuration management module, and device communication module and application API interface. Narrow Position Range: As shown in Data storage module: Responsible for data storage and management of system, including the data carried by RFID chips, data generating from position and some configuration data. Position algorithm module: It mainly locates by algorithm raised in fifth chapter, and use the appropriate scene. Configuration management module: It mainly expands system scene and equipment, so that it can match more sense and RFID device. Device Communication module: It is mainly responsible for communication, including wireless and wire line. Application API interface: It mainly generates more applications produced by the position algorithm module and other modules, such as timing application. 185 equations and solve the function expression, and calculate the corresponding time of function d=0. In order to reduce the timing error, we can bind some RFID labels on the shoes of athlete. These RFID labels do timing at the same time, and we select the average.
doi:10.14257/ijfgcn.2016.9.12.16 fatcat:ap22om34i5asbiuaxbvlrlojuy