Lifetime test of batteries for BLE modules for site identification of vessel's crews and passengers (SIVCP)

The fingerprint, which is one of the methods of indoor localization using WiFi, has been frequently studied because of its ability to be implemented via wireless access points. This method has low positioning resolution and high computational complexity compared to other methods, caused by its dependence of reference points in the radio map. In order to compensate for these problems, this paper presents a radio map designed algorithm based on the log-distance path loss model fusing a WiFi and BLE fingerprint. The proposed algorithm designs a radio map with variable values using the log-distance path loss model and reduces distance errors using a median filter. The experimental results of the proposed algorithm, compared with existing fingerprinting methods, show that the accuracy of positioning improved by from 2.747 m to 2.112 m, and the computational complexity reduced by a minimum of 33% according to the access points.

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High safety battery management system of DC power source for hybrid vessel

Choi¹,

Lee²

2016

Journal of the Korean Society of Marine Engineering

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Lifetime test of batteries for BLE modules for site identification of vessel's crews and passengers (SIVCP)

Cited by 4 publications

References 2 publications

A study on indoor visible light communication localization based on manchester code using walsh code

A study on indoor visible light communication localization based on manchester code using walsh code

Radio map fingerprint algorithm based on a log-distance path loss model using WiFi and BLE

High safety battery management system of DC power source for hybrid vessel

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