Title:
MOBILE DEVICE PROVIDED WITH ARRAY ANTENNA
Document Type and Number:
WIPO Patent Application WO/2018/221203
Kind Code:
A1
Abstract:
This mobile device (100) is provided with: a portable array antenna (20) which has multiple antenna elements (22) for receiving a signal wave emitted periodically or intermittently from a beacon (10); and a signal processing circuit (30) which estimates the direction of arrival of the signal wave on the basis of a signal outputted from the array antenna (20) and determines coordinates defining the direction of arrival.
Inventors:
ITO JUNJI (JP)
LIU HUASHI (JP)
TOMOGANE TOMOHIKO (JP)
LIU HUASHI (JP)
TOMOGANE TOMOHIKO (JP)
Application Number:
PCT/JP2018/018723
Publication Date:
December 06, 2018
Filing Date:
May 15, 2018
Export Citation:
Assignee:
NIDEC CORP (JP)
International Classes:
G01S3/04; G01S3/46
Foreign References:
| JP2012047473A | 2012-03-08 | |||
| JP2016223779A | 2016-12-28 | |||
| JP2009260547A | 2009-11-05 |
Attorney, Agent or Firm:
OKUDA Seiji (JP)
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