Abstract: We typically use wireless location network for getting direction to a particular area using GPS. We can effectively track and map the location we visit, however GPS cannot be applied in the indoor environment. Hence to save the cost we use RSSI- based trilateral location algorithm. This algorithm is one of the most used algorithms in sensor based network using Wi-Fi. We can calculate the current location of the mobile devices and navigate to a particular destination and use minimum mobile battery. Indoor navigation is one of the newest innovation in the mobile technology and we use extensively.

Keywords: WiFi, Tracking, Indoor, Mapping, blueprint, navigation.