Title:
HIGHLY ACCURATE WIRELESS POSITIONING METHOD AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/139771
Kind Code:
A2
Abstract:
The present invention relates to a highly accurate wireless positioning method and device whereby: the strength of at least one signal transmitted from at least one fixed node is measured; the relative position of a mobile node is estimated; a variation pattern of at least one signal strength according to the relative change in position of the mobile node across multiple time points is generated from the at least one signal strength and the relative position of the mobile node; and the absolute position of the mobile node is estimated on the basis of a comparison between the variation pattern of the at least one signal strength and a map of a signal strength distribution pattern at an area in which the mobile node is positioned. Thus, the position of the mobile node may be accurately estimated even when a wireless environment changes, and the position of the mobile node may be accurately estimated across a wide area by using a wireless signal exhibiting almost no change in signal strength.
Inventors:
LEE TAIKJIN (KR)
JHON YOUNGMIN (KR)
KIM JAEHUN (KR)
YU BOSEON (KR)
SHIN BEOMJU (KR)
BANG JAEWON (KR)
JHON YOUNGMIN (KR)
KIM JAEHUN (KR)
YU BOSEON (KR)
SHIN BEOMJU (KR)
BANG JAEWON (KR)
Application Number:
PCT/KR2017/015649
Publication Date:
August 02, 2018
Filing Date:
December 28, 2017
Export Citation:
Assignee:
KOREA INST SCI & TECH (KR)
International Classes:
H04W64/00; G01S11/06; H04W88/18
Other References:
See references of EP 3557919A4
Attorney, Agent or Firm:
LEE, Jang Hyuk (KR)
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