Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SYSTEM AND METHOD FOR INDOOR NAVIGATION BASED ON A WI-FI RADIO MAP AND UTILIZING USER MOBILITY IN LOCATION ESTIMATION
Document Type and Number:
WIPO Patent Application WO/2012/011624
Kind Code:
A1
Abstract:
The present invention relates to a system and method for indoor navigation using a Wi-Fi radio map. The present invention relates to a method for indoor navigation comprising: a learning step wherein Wi-Fi fingerprints are collected, one or more Wi-Fi radio maps are then established, indoor space is divided into multiple areas, the Wi-Fi fingerprints are classified by the divided areas, and then an access point index is established; and a step of location estimation wherein Wi-Fi fingerprints are acquired by using a portable terminal, the divided areas including the acquired Wi-Fi fingerprints are confirmed by using the access point index, and then the final position of the portable terminal is determined.

Inventors:
HAN, Dongsoo (Techo-valley APT, 666 Kwanpyong-dong Yuseong-gu, Daejeon 305-509, 305-509, KR)
한동수 (대전 유성구 관평동 666 테크노밸리 아파트 409동 1502호, 305-509 Daejeon, 305-509, KR)
LEE, Minkyu (Naim Villa A-204, 298-5 Jeonmin-dong Yuseong-gu, Daejeon 305-810, 305-810, KR)
이민규 (대전 유성구 전민동 298-5 나임빌라 A-204, 305-810 Daejeon, 305-810, KR)
CHANG, Laeyoung (Daewoo APT, Kyo-dong Gongju-si, Chungcheongnam-do 314-090, 314-090, KR)
Application Number:
KR2010/005165
Publication Date:
January 26, 2012
Filing Date:
August 06, 2010
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
VISOFT LTD. (KAIST-ICC, Venture Incubation Center103-6, Mungi-dong, Yuseong-gu, Daejeon 305-714, 305-714, KR)
(주)브이아이소프트 (대전 유성구 문지동 103-6 KAIST-ICC 창업보육센터, 305-714 Daejeon, 305-714, KR)
KAIST (335 Gwahak-ro, Yuseong-gu, Daejeon 305-701, 305-701, KR)
한국과학기술원 (대전 유성구 과학로 335, 305-701 Daejeon, 305-701, KR)
HAN, Dongsoo (Techo-valley APT, 666 Kwanpyong-dong Yuseong-gu, Daejeon 305-509, 305-509, KR)
한동수 (대전 유성구 관평동 666 테크노밸리 아파트 409동 1502호, 305-509 Daejeon, 305-509, KR)
LEE, Minkyu (Naim Villa A-204, 298-5 Jeonmin-dong Yuseong-gu, Daejeon 305-810, 305-810, KR)
International Classes:
G01S11/06; G01S5/02
Attorney, Agent or Firm:
MIN, Byung-Jun (6th Fl, Dongkyung Bldg. 736-46,Yeoksam-dong, Kangnam-gu, Seoul 135-924, 135-924, KR)
Download PDF:
Claims: