Continuous Space Estimation: Increasing WiFi-Based Indoor Localization Resolution without Increasing the Site-Survey Effort
Although much research has taken place in WiFi indoor localization systems, their accuracy can still be improved. When designing this kind of system, fingerprint-based methods are a common choice. The problem with fingerprint-based methods comes with the need of site surveying the environment, which...
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Published in | Sensors (Basel, Switzerland) Vol. 17; no. 1; p. 147 |
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Main Authors | , , , |
Format | Journal Article |
Language | English |
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Abstract | Although much research has taken place in WiFi indoor localization systems, their accuracy can still be improved. When designing this kind of system, fingerprint-based methods are a common choice. The problem with fingerprint-based methods comes with the need of site surveying the environment, which is effort consuming. In this work, we propose an approach, based on support vector regression, to estimate the received signal strength at non-site-surveyed positions of the environment. Experiments, performed in a real environment, show that the proposed method could be used to improve the resolution of fingerprint-based indoor WiFi localization systems without increasing the site survey effort. |
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AbstractList | Although much research has taken place in WiFi indoor localization systems, their accuracy can still be improved. When designing this kind of system, fingerprint-based methods are a common choice. The problem with fingerprint-based methods comes with the need of site surveying the environment, which is effort consuming. In this work, we propose an approach, based on support vector regression, to estimate the received signal strength at non-site-surveyed positions of the environment. Experiments, performed in a real environment, show that the proposed method could be used to improve the resolution of fingerprint-based indoor WiFi localization systems without increasing the site survey effort. |
Author | Kim, Euntai Hernández, Noelia Ocaña, Manuel Alonso, Jose M |
AuthorAffiliation | 2 Robesafe Research Group, Department of Electronics, Universidad de Alcalá, 28871 Alcalá de Henares, Madrid, Spain; mocana@depeca.uah.es 3 Centro Singular de Investigacion en Tecnoloxias da Informacion (CiTIUS), Universidade de Santiago de Compostela, Campus Vida, E-15782, Santiago de Compostela, Galicia, Spain; josemaria.alonso.moral@usc.es 1 Intelligent Systems Laboratory, Department of Systems Engineering and Automation, Universidad Carlos III de Madrid, 28911 Leganés, Madrid, Spain 4 Computational Intelligence Lab, School of Electrical and Electronic Engineering, Yonsei University, 03722 Seoul, Korea; etkim@yonsei.ac.kr |
AuthorAffiliation_xml | – name: 3 Centro Singular de Investigacion en Tecnoloxias da Informacion (CiTIUS), Universidade de Santiago de Compostela, Campus Vida, E-15782, Santiago de Compostela, Galicia, Spain; josemaria.alonso.moral@usc.es – name: 4 Computational Intelligence Lab, School of Electrical and Electronic Engineering, Yonsei University, 03722 Seoul, Korea; etkim@yonsei.ac.kr – name: 1 Intelligent Systems Laboratory, Department of Systems Engineering and Automation, Universidad Carlos III de Madrid, 28911 Leganés, Madrid, Spain – name: 2 Robesafe Research Group, Department of Electronics, Universidad de Alcalá, 28871 Alcalá de Henares, Madrid, Spain; mocana@depeca.uah.es |
Author_xml | – sequence: 1 givenname: Noelia surname: Hernández fullname: Hernández, Noelia email: noelia.hernandez@uc3m.es organization: Intelligent Systems Laboratory, Department of Systems Engineering and Automation, Universidad Carlos III de Madrid, 28911 Leganés, Madrid, Spain. noelia.hernandez@uc3m.es – sequence: 2 givenname: Manuel surname: Ocaña fullname: Ocaña, Manuel email: mocana@depeca.uah.es organization: Robesafe Research Group, Department of Electronics, Universidad de Alcalá, 28871 Alcalá de Henares, Madrid, Spain. mocana@depeca.uah.es – sequence: 3 givenname: Jose M surname: Alonso fullname: Alonso, Jose M email: josemaria.alonso.moral@usc.es organization: Centro Singular de Investigacion en Tecnoloxias da Informacion (CiTIUS), Universidade de Santiago de Compostela, Campus Vida, E-15782, Santiago de Compostela, Galicia, Spain. josemaria.alonso.moral@usc.es – sequence: 4 givenname: Euntai surname: Kim fullname: Kim, Euntai email: etkim@yonsei.ac.kr organization: Computational Intelligence Lab, School of Electrical and Electronic Engineering, Yonsei University, 03722 Seoul, Korea. etkim@yonsei.ac.kr |
BackLink | https://www.ncbi.nlm.nih.gov/pubmed/28098773$$D View this record in MEDLINE/PubMed |
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Keywords | location-based services machine learning fingerprinting continuous space estimation WiFi indoor localization |
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Notes | ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 This paper is an extended version of Hernández, N.; Ocaña, M.; Alonso, J.M.; Kim, E. WiFi-based indoor localization using a continuous space estimator from topological information. In Proceedings of the International Conference on Indoor Positioning and Indoor Navigation, Banff, AB, Canada, 13–16 October 2015; pp. 1–4. |
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SubjectTerms | Accuracy Construction Consumption continuous space estimation Estimates fingerprinting Global positioning systems GPS Indoor environments International conferences Localization Location based services machine learning Position (location) Sensors Signal strength Smartphones Support vector machines Surveying Ultrasonic imaging WiFi indoor localization |
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Title | Continuous Space Estimation: Increasing WiFi-Based Indoor Localization Resolution without Increasing the Site-Survey Effort |
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