蓝牙4.0标准规范下的模糊指纹定位算法

doi:10.3969/j.issn.1007-2861.2013.02.004

Journal of Shanghai University（Natural Science Edition） ›› 2013, Vol. 19 ›› Issue (2): 126-131.doi: 10.3969/j.issn.1007-2861.2013.02.004

• Communication and Information Engineering • Previous Articles Next Articles

Fuzzy Fingerprint Location for Bluetooth Specification Version 4.0

LI Juan-juan1, ZHANG Jin-yi1,2,3, ZHANG Bing-yu1, ZHOU Rong-jun2, TANG Xia2

1. Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai University, Shanghai 200072, China;
2. Microelectronic Research and Development Center, Shanghai University, Shanghai 200072, China;
3. Key Laboratory of Advanced Displays and System Application, Shanghai University, Shanghai 200072, China

Received:2012-04-28 Online:2013-04-30 Published:2013-04-30

Abstract

Abstract: Popularity of Bluetooth technology and the proposition of Bluetooth Specification Version 4.0 make indoor location have a broad application prospect. The fuzzy theory is applied in indoor location based on Bluetooth, and a fuzzy fingerprint location algorithm is proposed. The location process is divided into two parts: off-line and on-line. A fuzzy fingerprint database is established in the off-line stage, and real-time location of cell phone clients is realized in the on-line stage. Simulation results show that the average location error is 1.36 m. Compared with traditional fingerprint calibration method, location precision is improved by 49% and computation complexity is reduced to 1/c where c is the category number of fuzzy clustering.

Key words: location fingerprint, Bluetooth Specification Version 4.0, fuzzy theory, indoor location, real-time

CLC Number:

TP 391

LI Juan-juan1, ZHANG Jin-yi1,2,3, ZHANG Bing-yu1, ZHOU Rong-jun2, TANG Xia2. Fuzzy Fingerprint Location for Bluetooth Specification Version 4.0[J]. Journal of Shanghai University（Natural Science Edition）, 2013, 19(2): 126-131.

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Fuzzy Fingerprint Location for Bluetooth Specification Version 4.0

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