Localization based on standard wireless LAN infrastructure using MIMO-OFDM channel state information
- Authors
- Demeechai, Tanee; Kukieattikool, Pratana; Ngo, Thang; Chang, Tae Gyu
- Issue Date
- Jun-2016
- Publisher
- SPRINGER INTERNATIONAL PUBLISHING AG
- Keywords
- Indoor localization; MIMO-OFDM; Channel state information; Multipath propagation; Matrix pencil method; Maximum likelihood principle
- Citation
- EURASIP JOURNAL ON WIRELESS COMMUNICATIONS AND NETWORKING, v.2016, no.1
- Journal Title
- EURASIP JOURNAL ON WIRELESS COMMUNICATIONS AND NETWORKING
- Volume
- 2016
- Number
- 1
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/6834
- DOI
- 10.1186/s13638-016-0645-x
- ISSN
- 1687-1499
1687-1499
- Abstract
- An indoor localization method using multiple input, multiple output orthogonal frequency division multiplexing (MIMO-OFDM) channel state information (CSI) is proposed as a method that can be implemented on wireless local area networks of a current standard without affecting their protocol structures and that does not require a training process for adaptation to indoor environments. In the proposed method, the CSI obtained by the MIMO-OFDM receivers of all access points upon successful reception of a data packet from a mobile terminal (MT) is processed in order to determine the location of the MT. The proposed method analyzes the multipath effect that appears in the CSI as multiple complex sinusoids by using the matrix pencil method in order to extract only terms that are contributed by direct paths from the MT to the access points. Localization is achieved using the direct-path terms on the basis of the maximum likelihood principle.
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Collections - College of ICT Engineering > School of Electrical and Electronics Engineering > 1. Journal Articles
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