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Method, apparatus and system for determining model parameters for positioning purposes

A technology of model parameters and models, applied in the field of model parameters

Active Publication Date: 2022-06-24
HERE GLOBAL BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Also, not all applications require GNSS-based positioning
Additionally, cellular / non-cellular positioning techniques work equally well indoors, which is often a challenging environment for GNSS-based technologies

Method used

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  • Method, apparatus and system for determining model parameters for positioning purposes
  • Method, apparatus and system for determining model parameters for positioning purposes
  • Method, apparatus and system for determining model parameters for positioning purposes

Examples

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Embodiment Construction

[0090] figure 1 An apparatus 2 in the form of a mobile terminal is shown, which determines measurement data of the received signal strength of the transmitter 4-1 and determines position information. refer to figure 2 , the components of the mobile terminal 2 are described in more detail. exist figure 1 In the mobile terminal 2, the mobile terminal 2 is configured to determine the obtained signal strength as a location-specific amount of the signal from the transmitter 4-1 when the transmitter 4-1 of the communication system provides radio coverage in the corresponding coverage area 6-1 . At different locations within the coverage area 6-1, the mobile terminal 2 will measure different received signal strengths, which results in the received signal strength being a location specific quantity. Thus, the mobile terminal 2 can determine the measurement data of the received signal strength and store the measurement data, for example. As already described, a non-limiting examp...

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PUM

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Abstract

In particular disclosed is a method performed by at least one apparatus, the method comprising: obtaining measurement data of a location-specific quantity of a signal transmitted by a transmitter; obtaining location information associated with the measurement data of the location-specific quantity; and based on obtaining to determine one or more model parameters describing a model of said location-specific quantity dependent on location, wherein said model is in the form of a combination of a first location-specific function and a second location-specific function to assume the position dependence of the position-specific quantities.

Description

technical field [0001] The present invention relates to the field of determining model parameters that can be used to locate models for purposes. Background technique [0002] Modern global cellular and non-cellular positioning techniques are based on generating large global databases containing information on cellular and non-cellular signals. This information may originate in whole or in part from users of these positioning technologies. This method is also known as "crowdsourcing". [0003] Positioning is based on the fact that different locations have different measurement statistics or "fingerprints". In the first phase or training phase, the user with their mobile terminal can provide information in the form of such fingerprints. The fingerprint may contain, on the one hand, estimated position information based on, for example, received Global Navigation Satellite System (GNSS) satellite signals, and on the other hand may contain signals from one or more transmitter...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S5/02
CPCH04W4/023H04W4/026G01S5/0264G01S5/02526H04L67/52H04B17/3911G01S19/13
Inventor 劳里·维罗拉亚里·叙耶林内穆罕默德·伊尔沙恩·坎帕维尔·伊万诺夫尤卡·塔尔维蒂耶埃莱安娜-西莫娜·洛汉
Owner HERE GLOBAL BV