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Robust Localization over Obstructed Interferences for Inbuilding Wireless Applications

Authors
Kong, YoungbaeKwon, YounggooPark, Gwitae
Issue Date
2월-2009
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Keywords
Location-awareness; Received signal strength; Obstructed interference; Maximum likelihood estimation; Min-Max algorithm
Citation
IEEE TRANSACTIONS ON CONSUMER ELECTRONICS, v.55, no.1, pp.105 - 111
Indexed
SCIE
SCOPUS
Journal Title
IEEE TRANSACTIONS ON CONSUMER ELECTRONICS
Volume
55
Number
1
Start Page
105
End Page
111
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/120649
DOI
10.1109/TCE.2009.4814421
ISSN
0098-3063
Abstract
Location-awareness can be applied to the various consumer applications. A received signal strength (RSS) based localization system is relatively inexpensive and simple to be implemented without additional hardware supports. However, the radio signals are strongly affected by the obstructed interferences. This is a difficult problem for the RSS based localization systems to be implemented in real world. To solve this problem, we propose a practical and robust localization algorithm in the obstructed environments. The proposed algorithm uses the Maximum Likelihood Estimation (MLE) based on the position probability grid. In addition, the proposed algorithm detects and compensates the large measurement error using the Min-Max algorithm. We evaluated the performance of the proposed algorithm in the obstructed environments. Performance results show that the proposed algorithm outperforms other algorithms on the obstructed environments.(1)
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