Athlete positioning method and positioning system

A positioning method and athlete's technology, applied in the field of positioning, can solve problems such as inability to obtain accurate data and insufficient positioning of athletes, and achieve the effect of precise positioning

Active Publication Date: 2021-08-27
XIAN UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The positioning method adopted in the prior art is not accurate enough for the positioning of the athletes, and accurate data cannot be obtained

Method used

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  • Athlete positioning method and positioning system
  • Athlete positioning method and positioning system
  • Athlete positioning method and positioning system

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Embodiment Construction

[0017] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0018] The present invention mainly utilizes the combination of trilateration positioning method and RSSI distance measurement to determine the exact position of the athlete. The RSSI technology is mainly based on the signal strength value received by the reference node, through the experience or theoretical model formula of the propagation signal, and directly converts it into the reference node The distance value from the mobile node. Theoretically, as the distance increases, ...

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Abstract

The present invention provides an athlete positioning method and a positioning system, wherein the positioning method includes: gridding the sports field, establishing a first rectangular coordinate system with the center point of the sports field as the coordinate origin; selecting multiple reference nodes on the sports field, and measuring each The RSSI value of the grid vertex, establish the matching database of the grid vertex RSSI value; determine the value of the radio frequency parameter A and the signal transmission constant n; measure the RSSI value at the athlete's position in real time, and calculate the distance from the athlete's position to each reference node ; Calculate the initial coordinates of the athlete; determine the grid where the athlete is based on the initial coordinates of the athlete; calculate the distance from the athlete to each grid vertex of the grid where the athlete is; calculate the precise coordinates of the athlete. The positioning system includes a positioning receiver set at the reference node, a positioning transmitter set on the athlete and a host computer. The athlete positioning method and the positioning system provided by the invention can more accurately locate the athlete's position.

Description

technical field [0001] The invention relates to the technical field of positioning, in particular to a positioning method and system for athletes. Background technique [0002] In football, basketball and other sports, the running ability of athletes can directly affect the result of the game, so running ability is one of the important basic abilities of athletes, and it is also an important indicator for coaches to assess players . Now the requirements for athletes' running ability and timing judgment are getting higher and higher. The real-time positioning system locates, saves and analyzes the running trajectory of the athlete in real time, and calculates the parameters related to the amount of exercise and consumption of the athlete according to the trajectory. Therefore, real-time positioning plays a key role in sports such as football and basketball. The positioning method adopted in the prior art is not precise enough for the athlete's positioning, and accurate dat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A63B71/06
CPCA63B71/06A63B2220/12
Inventor 张渤谢金辰
Owner XIAN UNIV OF SCI & TECH
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