On Potentials and Limitations of a Hybrid WLAN-RFID Indoor Positioning Technique | Zendy

Silverio C. Spinella | Zendy; Antonio Iera | Zendy; Antonella Molinaro | Zendy

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On Potentials and Limitations of a Hybrid WLAN-RFID Indoor Positioning Technique

Author(s) -

Silverio C. Spinella,

Antonio Iera,

Antonella Molinaro

Publication year - 2010

Publication title -

international journal of navigation and observation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.176

H-Index - 18

eISSN - 1687-6008

pISSN - 1687-5990

DOI - 10.1155/2010/397467

Subject(s) - exploit , computer science , key (lock) , process (computing) , identification (biology) , indoor positioning system , hybrid positioning system , positioning technology , positioning system , position (finance) , real time computing , radio frequency identification , point (geometry) , power (physics) , embedded system , computer security , botany , geometry , mathematics , finance , physics , accelerometer , quantum mechanics , economics , biology , operating system

This paper addresses the important issue of position estimation in indoor environments. Starting point of the research is positioning techniques that exploit the knowledge of power levels of RF signals from multiple 802.11 WLAN APs (Access Points). In particular, the key idea in this paper is to enhance the performance of a WLAN fingerprinting approach by coupling it to a RFID-based procedure. WLAN and RFID technologies are synergistically used to provide a platform for a more performing positioning process, in which the very strong identification capabilities of the RFID technology allow to increase the accuracy of positioning systems via WLAN fingerprinting. The algorithm performance is assessed through general and repeatable experimental campaigns, during which the main algorithm parameters are dimensioned. The results testify both to the feasibility of the solution and to its higher accuracy (attainable at very reduced costs) compared to traditional positioning techniques

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