Positioning method and device
A positioning method and a technology for positioning tags, which are applied in the field of communication, can solve problems such as large coordinate deviations of positioning tags, and achieve the effect of improving positioning accuracy
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Embodiment 1
[0042] The method embodiment provided in Embodiment 1 of the present application may be executed in a positioning base station or a similar computing device. Take running on the positioning base station as an example, figure 1 It is a hardware structure block diagram of a positioning base station of a positioning method in an embodiment of the present invention. Such as figure 1 As shown, the positioning base station 10 may include one or more ( figure 1 Only one is shown in the figure) a processor 102 (the processor 102 may include but not limited to a processing device such as a microprocessor MCU or a programmable logic device FPGA) and a memory 104 for storing data. Optionally, the above positioning base station also A transmission device 106 for communication functions as well as input and output devices 108 may be included. Those of ordinary skill in the art can understand that, figure 1 The shown structure is only for illustration, and it does not limit the structur...
Embodiment approach
[0084] The embodiments of the present invention are further described below in conjunction with specific scenarios:
[0085] Exemplarily, in the positioning process of the TDOA positioning mode, the Figure 4 The flow shown for three-dimensional positioning, Figure 4 is a flowchart of a three-dimensional positioning method according to an optional embodiment of the present invention, such as Figure 4 Shown:
[0086] S101, start;
[0087] S102, input the X\Y\Z axis coordinates of the base station; for example, the three-dimensional coordinates (X, Y, Z) of N positioning base stations (N≥4) can be input;
[0088] S103, obtaining the elevation information of the base station; for example, activating the elevation sensor for positioning the base station and the positioning tag, so as to obtain the elevation information of the base station and the tag in real time;
[0089] S104, obtaining positioning data (including tag elevation information); for example, using the synchron...
Embodiment 2
[0150] Embodiments of the present invention also provide a computer-readable storage medium, where a computer program is stored in the computer-readable storage medium, wherein the computer program is set to execute any one of the above method embodiments when running. step.
[0151] Optionally, in this embodiment, the above-mentioned computer-readable storage medium may be configured to store a computer program for performing the following steps:
[0152] S1. Determine a first positioning error function according to the spatial geometric relationship between the positioning tag and multiple positioning base stations, where the first positioning error function is used to indicate a measurement error of the position of the positioning tag;
[0153] S2. Determine the target X-axis coordinate and the target Y-axis coordinate of the positioning tag according to the target Z-axis coordinate of the positioning tag and the first positioning error function, wherein the target X-axis c...
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