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Information processing device, information processing system, information processing method, and non-temporary computer-readable medium

An information processing device and index calculation technology, which is applied to satellite radio beacon positioning systems, measurement devices, radio wave measurement systems, etc., can solve problems such as reduced reliability of positioning results

Pending Publication Date: 2021-04-16
NEC SOLUTION INNOVATORS LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

When accurate location information cannot be obtained, the reliability of positioning results will be reduced

Method used

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  • Information processing device, information processing system, information processing method, and non-temporary computer-readable medium
  • Information processing device, information processing system, information processing method, and non-temporary computer-readable medium
  • Information processing device, information processing system, information processing method, and non-temporary computer-readable medium

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Embodiment Construction

[0023] For clarity of explanation, the following description and drawings have been appropriately omitted and simplified. In the drawings, the same elements are denoted by the same reference numerals, and repeated descriptions are omitted if necessary.

[0024] [First exemplary embodiment]

[0025] Example embodiments of the present disclosure will be described below with reference to the accompanying drawings. figure 1 is a schematic configuration diagram of the information processing apparatus according to the first exemplary embodiment. In this exemplary embodiment, the information processing device 100 is incorporated into, for example, a car navigation system. The information processing device 100 acquires a positioning signal transmitted from a GNSS satellite, determines the reliability of a positioning result calculated from the acquired positioning signal, and provides the determination result to a car navigation system. The determination result output by the inform...

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Abstract

An information processing device (100) having: a positioning signal acquisition unit (101) that obtains a positioning signal sent from a positioning satellite; and a parameter acquisition unit (102) that obtains preset parameters on the basis of the positioning signal. The information processing device (100) has: a storage unit (105) that stores a plurality of parameters at a plurality of different points in time during a preset period; a precision index calculation unit (103) that calculates a positioning precision index on the basis of the stored plurality of parameters; and an output unit (104) that outputs the positioning precision index.

Description

technical field [0001] The present disclosure relates to an information processing device, an information processing system, an information processing method, and a program. Background technique [0002] In mobile bodies such as motor vehicles, navigation systems using GNSS (Global Navigation Satellite System) are widely used. Accurate positioning in any type of environment is important in a navigation system. However, when a method for locating the position of a mobile body by GNSS satellites is used, position accuracy may deteriorate due to various factors. [0003] Factors that degrade positioning accuracy include, for example, orbital errors of satellites, clock errors, fluctuations in the ionosphere, fluctuations in the troposphere, signal interception caused by clouds, forests, buildings, etc. blocking radio waves, and in forests, high-level Multipath reception caused by reflection of radio waves in buildings, etc. When accurate location information cannot be obtain...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S19/07G01S19/23
CPCG01S19/396G01S19/08G01S19/37
Inventor 宫本龙柏木真保神田优花
Owner NEC SOLUTION INNOVATORS LTD