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http://dx.doi.org/10.6109/JKIICE.2007.11.1.198

Cooperative Positioning System Using Density of Nodes  

Son, Cheol-Su (순천대학교 정보통신공학부)
Yoo, Nem-Hyun (순천대학교 정보통신공학부)
Kim, Wong-Jung (순천대학교 정보통신공학부)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.11, no.1, 2007 , pp. 198-205 More about this Journal
Abstract
In ubiquitous environment a user can be provided with context-aware services based on his or her current location, time, and atmosphere. LBS(Location-Based Services) play an important role for ubiquitous context-aware computing. Because deployment and maintenance of this specialized equipment is costly, many studies have been conducted on positioning using only wireless equipment under a wireless LAN infrastructure. Because a CPS(Cooperative Positioning System) that uses the RSSI (Received Signal Strength Indicator) between mobile equipments is more accurate than beacon based positioning system, it requires great concentration in its applications. This study investigates the relationship between nodes by analyzing a WiPS (Wireless LAN indoor Positioning System), a similar type of CPS, and proposes a improved WiCOPS-d(Wireless Cooperative Positioning System using node density) to increase performance by determining the convergence adjustment factor based on node density.
Keywords
RSSI;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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