Network positioning method and device based on single base station and equipment
A network positioning, single base station technology, applied in the field of communication, can solve the problems of low positioning accuracy, unable to achieve node synchronization, unable to locate, etc., to improve the use efficiency, save resources such as communication time slots, and reduce feature requirements.
Active Publication Date: 2018-09-07
TSINGHUA UNIV +1
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[0005] The purpose of the present invention is to provide a network positioning method, device and equipment based on a single base station, which solves the problem that the positioning method in the prior art has low positioning accuracy or cannot locate when the number of base stations is small, and cannot realize synchronization between nodes question
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[0023] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.
[0024] figure 1 It is a schematic diagram of a network positioning method based on a single base station according to an embodiment of the present invention, as shown in figure 1 As shown, the embodiment of the present invention provides a network positioning method based on a single base station, the execution subject of which is a base s...
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The invention provides a network positioning method and device based on a single base station and equipment. The method includes the following steps: acquiring a first arrival time, a first arrival angle, a second arrival time, a second arrival angle, a third arrival time and a fourth arrival time, inputting the first arrival time, the first arrival angle, the second arrival time, the second arrival angle, the third arrival time and the fourth arrival time to a preset positive semi-definite programming model, outputting a first distance and a second distance, determining a coordinate of a first target node in a preset coordinate system based on the first distance and the first arrival angle, and determining a coordinate of a second target node in the preset coordinate system based on the second distance and the second arrival angle. According to the network positioning method and device based on the single base station and the equipment provided by the invention, through the cooperation of at least two target nodes, the positioning of the target nodes and the synchronization between the target nodes can be completed only under the condition of one base station.
Description
technical field [0001] The present invention relates to the field of communication technology, in particular to a network positioning method, device and equipment based on a single base station. Background technique [0002] The application of positioning and synchronization technology in navigation and other aspects is becoming more and more extensive. At the same time, various applications have higher and higher requirements on the accuracy and time efficiency of positioning and synchronization. [0003] In the existing technology, the earliest positioning technology is the Global Satellite Positioning System (GPS), which locates the target node through multiple positioning satellites. GPS can provide real-time, all-weather and global positioning, time synchronization, navigation and other services, basically It can meet the application requirements of the three major fields of sea, land and air under open conditions. In addition, there are some other technologies in the ...
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IPC IPC(8): H04W64/00
CPCH04W64/003H04W64/006
Inventor 沈渊刘言智强
Owner TSINGHUA UNIV