Title:
INFORMATION PROCESSING DEVICE AND POSITIONING AUGMENTATION INFORMATION TRANSMISSION METHOD
Document Type and Number:
WIPO Patent Application WO/2020/178982
Kind Code:
A1
Abstract:
In this invention, a grid interval (Dh) for transmitting positioning augmentation information (a) from a Quasi-Zenith Satellite (1) is set on the basis of statistical information for indexes of the degrees of ionospheric disturbance in each area obtained by dividing the surface of the earth into a plurality of areas.
Inventors:
AMISHIMA TAKESHI (JP)
SUZUKI NOBUHIRO (JP)
SUZUKI NOBUHIRO (JP)
Application Number:
PCT/JP2019/008652
Publication Date:
September 10, 2020
Filing Date:
March 05, 2019
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
G01S19/07
Domestic Patent References:
| WO2015145719A1 | 2015-10-01 | |||
| WO2016088654A1 | 2016-06-09 |
Foreign References:
| JP2018112555A | 2018-07-19 | |||
| JP2013186127A | 2013-09-19 | |||
| JP2002318271A | 2002-10-31 | |||
| JP2010112842A | 2010-05-20 | |||
| JP2014109578A | 2014-06-12 | |||
| US20140292573A1 | 2014-10-02 | |||
| US20060017610A1 | 2006-01-26 |
Other References:
SAKAI, TAKEYASU ET AL.: "Improving Availability of Ionospheric Corrections in the Low Magnetic Latitude Region", PROCEEDINGS OF THE INSTITUTE OF NAVIGATION 2005 NATIONAL TECHNICAL MEETING, THE INSTITUTE OF NAVIGATION, 26 January 2005 (2005-01-26), pages 569 - 579, XP055735714
See also references of EP 3923029A4
See also references of EP 3923029A4
Attorney, Agent or Firm:
TAZAWA, Hideaki et al. (JP)
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