Cooperative positioning method and system
A technology for co-locating and to-be-located points, which is applied to services, electrical components, and wireless communications based on location information, and can solve problems such as inability to locate to-be-located points.
Active Publication Date: 2019-08-16
BEIJING UNIV OF POSTS & TELECOMM
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[0009] The purpose of the embodiments of the present invention is to provide a collaborative positioning method and system to solve the technical problem in the prior art that the positioning of the point to be positioned cannot be realized
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[0073]The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.
[0074] In view of the problem in the prior art that the location of the point to be positioned cannot be realized, an embodiment of the present invention provides a collaborative positioning method and system, which utilizes the second position distribution range of the point to be positioned in coordination and the second anchor node of the point to be positioned in coordination, Cooperating with the position of the first anchor node and the distribution range ...
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The embodiment of the invention provides a cooperative positioning method and system, the cooperative positioning method is applied to more than two to-be-positioned points, the more than two to-be-positioned points comprise a to-be-positioned point and other to-be-positioned points, and the method comprises the following steps: obtaining the position of a first anchor node communicated with the to-be-positioned point; obtaining a to-be-positioned point used for cooperating with the to-be-positioned point to serve as a cooperative to-be-positioned point, the cooperative to-be-positioned pointbeing a node in the remaining to-be-positioned points; establishing communication between the to-be-positioned point and the cooperative to-be-positioned point, and acquiring the position of a secondanchor node communicated with the cooperative to-be-positioned point from the cooperative to-be-positioned point; and determining the position of the to-be-positioned point based on the position of the second anchor node, the second position distribution range of the cooperative to-be-positioned point, the position of the cooperative first anchor node and the first position distribution range of the to-be-positioned point.
Description
technical field [0001] The present invention relates to the technical field of positioning, in particular to a method and system for coordinated positioning. Background technique [0002] With the rapid development of mobile communication technology, the digitalization level of society is rapidly improving. Location information has become one of the essential basic information in today's society. Currently, the location information can be obtained generally by using two positioning systems, Global Navigation Satellite System (GNSS for short) and Global Positioning System (CPS for short). However, these two positioning systems cannot provide people with reliable location service information due to the limitations of the two positioning systems in environments with severe occlusion, such as urban canyons, underground tunnels, and indoor environments. At present, with the rise of cognitive radio technology, people use the information exchange between nodes to carry out cooper...
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IPC IPC(8): H04W4/02H04W4/021H04W64/00
CPCH04W4/02H04W4/021H04W4/023H04W64/00
Inventor 邓中亮唐诗浩胡恩文朱棣刘延旭綦航
Owner BEIJING UNIV OF POSTS & TELECOMM