indoor positioning system


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indoor positioning system

A navigation system used inside venues such as airports, museums, shopping malls and hospitals. An indoor positioning system (IPS) is the indoor counterpart to the global positioning system (see GPS). In the past, a variety of communications methods have been used, including optical and acoustic; however, now that so many people have smartphones with Wi-Fi, the mobile app has become the viable approach.

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A feature of an indoor positioning system is not only directions but also the information that can be retrieved. For example, passing by a store in a mall can trigger the day's specials on a smartphone app. In a museum, more facts can be displayed as the visitor approaches an exhibit.
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IMPLEMENTATION OF WITRACKER INDOOR POSITIONING SYSTEM
As a result, current indoor positioning systems cannot satisfy the challenging demands for most indoor applications.
A Spatial Division Clustering Method and Low Dimensional Feature Extraction Technique Based Indoor Positioning System," Sensors, vol.
In this method, it is to integrate the TC-OFDM indoor positioning system with images that taken by using cameras of the smartphones.
However, the building process of radio map used in an indoor positioning system requires a relatively short time, especially in updating process.
Active Badges [16] is the first indoor positioning system which is based on infrared sensors.
An Indoor Positioning System (IPS) is difficult to implement due to complex indoor settings and high precision demands.

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