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The popularity and low price of Wi-Fi network interface cards is an attractive incentive to use Wi-Fi as the basis for a localization system and significant research has been done in this area in the past 15 years. In wireless security, it is an important method used to locate and map rogue access points.

Motivation and applications Īccurate indoor localization is becoming more important for Wi‑Fi–based devices due to the increased use of augmented reality, social networking, health care monitoring, personal tracking, inventory control and other indoor location-aware applications. In the case of low precision, some techniques have been proposed to merge the Wi-Fi traces with other data sources such as geographical information and time constraints (i.e., time geography). To minimize fluctuations in the received signal, there are certain techniques that can be applied to filter the noise. The possible signal fluctuations that may occur can increase errors and inaccuracies in the path of the user. The access point location database gets filled by correlating mobile device location data (determined by other systems, such as Galileo or GPS) with Wi‑Fi access point MAC addresses. if an access point has moved its entry is inaccurate), and the precision depends on the number of discovered nearby access points with (accurate) entries in the database and the precisions of those entries. The accuracy depends on the accuracy of the database (e.g.

Typically a wireless access point is identified by its SSID and MAC address, and these data are compared to a database of supposed locations of access points so identified. The most common technique for positioning using wireless access points is based on a rough proxy for the strength of the received signal ( received signal strength indication, or RSSI) and the method of 'fingerprinting'. Wi-Fi positioning takes advantage of the rapid growth in the early 21st century of wireless access points in urban areas. Such systems include assisted GPS, urban positioning services through hotspot databases, and indoor positioning systems. It is used where satellite navigation such as GPS is inadequate due to various causes including multipath and signal blockage indoors, or where acquiring a satellite fix would take too long. Wi-Fi positioning system ( WPS, also abbreviated as WiPS or WFPS) is a geolocation system that uses the characteristics of nearby Wi‑Fi access point to discover where a device is located.

Download the last version for mac Hotspot Maker 3.2