Terminal Positioning Using Three-Dimensional Measurement Information
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Solution Overview
Problem
Conventional positioning technologies are limited to two-dimensional location information, failing to provide accurate three-dimensional positioning of terminals, which is necessary for advanced applications.
Innovation Solution
A method and system where terminals report three-dimensional positioning measurement information to a positioning server, enabling the server to derive and calculate the terminal's three-dimensional location using various measurement techniques such as altitude values or relative displacement information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional positioning methods (GNSS, OTDOA, e-CID) are used, then positioning can be implemented, but only two-dimensional location information is obtained
Solution Approach 1:
The patent extends conventional two-dimensional positioning to three-dimensional positioning by introducing vertical dimension measurements. The terminal device measures not only horizontal position but also altitude information, transforming the positioning from 2D coordinates (latitude, longitude) to 3D coordinates (latitude, longitude, altitude), thereby resolving the information loss in the vertical dimension.
2Measurement precision
If three-dimensional positioning measurement is implemented, then positioning accuracy is improved, but measurement and processing complexity increases
Solution Approach 1:
The terminal device performs self-measurement of three-dimensional positioning information using its own sensors and capabilities. The device autonomously measures altitude, horizontal position, and other parameters, then reports these measurements to the network side for processing, reducing the need for complex network-side measurement infrastructure.
Solution Approach 2:
The three-dimensional positioning measurement is divided into separate measurable components: horizontal position measurement, altitude measurement, and timing measurement. Each component is measured independently using appropriate sensors and methods, then integrated to form complete three-dimensional location information, simplifying the overall measurement process.
Data Source
AI summary
Provided are a terminal positioning method, device and system, the method comprising: receiving three-dimensional positioning measurement information transmitted by a terminal; and acquiring the three-dimensional position information of the terminal according to the three-dimensional positioning measurement information.