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Positioning method and device

A positioning method and positioning assistance technology, applied in the field of communication, can solve the problems of complex calculation, the inability of three sending stations to locate the location of terminal equipment, and the increase of estimated sending stations of terminal equipment, so as to achieve the effect of ensuring accuracy

Active Publication Date: 2020-04-03
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the intersection point of the hyperbola is not unique, it is possible that the three sending stations cannot locate the location of the terminal device, and it is necessary to increase the number of sending stations measured by the terminal device, resulting in an increase in the number of sending stations required for estimating the terminal device , the calculation is complex

Method used

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Embodiment Construction

[0075] Embodiments of the present application provide a positioning method and device, which are used to reduce the number of sending stations, thereby reducing the computational complexity of positioning.

[0076] The terms "first", "second", "third", "fourth", etc. (if any) in the specification and claims of the present application and the above drawings are used to distinguish similar objects, and not necessarily Used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a sequence of steps or elements is not necessarily limited to the expressly listed instead, may ...

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Abstract

The embodiment of the invention discloses a positioning method and device, which are used for reducing the number of sending stations so as to reduce the calculation complexity of positioning. The method provided by the embodiment of the invention comprises the following steps: a terminal receives positioning auxiliary information sent by a positioning entity, wherein the positioning auxiliary information comprises a cell identifier of a cell where a to-be-measured sending station is located, an identity identifier of the to-be-measured sending station and positioning reference signal configuration information of the to-be-measured sending station; the terminal measures the to-be-measured sending station according to the positioning auxiliary information to obtain a measurement result, andthe measurement result comprises measured positioning reference signal information of the to-be-measured sending station; and the terminal sends the measurement result.

Description

technical field [0001] The present application relates to the communication field, and in particular to a positioning method and device. Background technique [0002] Currently, positioning technologies applied in communication systems include the following methods: enhanced cell identity-based positioning technology (enhanced cell identity, ECID), assisted-global navigation satellite system technology (assisted-global navigation satellite system, A-GNSS) And observed time difference of arrival technology (observedtime difference of arrival, OTDOA). Relatively speaking, OTDOA technology does not need to use GNSS signals, but uses a positioning principle similar to GNSS to measure the time difference between the arrival of positioning reference signals sent by two or more transmission points (transmission points, transmission points) at the terminal device. The position of the terminal is then calculated given the known position of the individual transmitting stations. [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W64/00H04L5/00
CPCH04W64/003H04W64/006H04L5/0048H04L5/0094G01S5/0036G01S5/12G01S5/02G01S2205/008H04W4/029G01S5/0236
Inventor 陈磊李秉肇柴丽
Owner HUAWEI TECH CO LTD
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