International Journal on Computer Science and Technology (IJCST)
"Now-a-days every second person uses a Smartphone but very few know what sensors work inside the mobile. The demand is growing for indoor navigation software's. This topic is very hot because, the authors have a lot of sensor but they can't use them for indoor positioning. The other problem is that the sensors are too sensitive and they must find a good algorithm what can filter the data and which can present a solution without errors."