WIRELESS POSITIONING METHOD USING FUZZY LOGIC

A wireless positioning method includes determining a plurality of reference positions, locating a device on each of the plurality of reference positions, and obtaining a FIMF for a count value obtained by counting a time of arrival between the device on the each reference position and each anchor; o...

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Bibliographic Details
Main Authors YANG WAN CHEOL, YANG CHANG SOO, LEE SANG YUB, SEO MAN SUK
Format Patent
LanguageEnglish
Published 06.03.2008
Subjects
CALCULATING
COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS
COMPUTING
COUNTING
PHYSICS
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Summary:A wireless positioning method includes determining a plurality of reference positions, locating a device on each of the plurality of reference positions, and obtaining a FIMF for a count value obtained by counting a time of arrival between the device on the each reference position and each anchor; obtaining an EOMF for the each reference position by using the FIMF for the each reference position; obtaining a FIMF for a count value between the device and the each anchor and obtaining an EOMF for the device by using the FIMF for the device when positioning of the device is started; determining a reference position having an EOMF most similar to that of the device from the plurality of reference positions, as a basic reference position; and calculating a position of the device by comparing a FIMF of the basic reference position with the FIMF of the device.
Bibliography:Application Number: US20070847829