무선랜 AP를 기반으로 한 실시간 위치추적시스템에 관한 연구
- Authors
- 최재현; 박제원; 신용우; 이남용
- Issue Date
- 2010
- Publisher
- 한국IT서비스학회
- Keywords
- Ubiquitous; Location Information; Wireless Access Point; Monitoring
- Citation
- 한국IT서비스학회지, v.9, no.3, pp.145 - 161
- Journal Title
- 한국IT서비스학회지
- Volume
- 9
- Number
- 3
- Start Page
- 145
- End Page
- 161
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/15251
- ISSN
- 1975-4256
- Abstract
- Recently, identifying user locations is becoming important as the society evolves into an ubiquitous society with the innovation of information technology. Particularly, many researches on identifying user locations are headed in direction to identify locations of users in the indoors, because a GPS that is widely used to identify the locations of users in the outdoors is inapplicable in the indoors. However, those researches are mostly not useful to general indoor environment because they are performed in a specific environment with specialized or customized devices such as UWB, RFID. Therefore, in this paper we propose a effective method to identify user locations in general indoor environments with wireless local network access points. Our approach enables to identify user location efficiently by measuring signal power of access points around the user and using the FRIIS formula which is used to calculate the distance among the things.
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