Title: INDOOR POSITION DETECTION USING WIFI AND TRILATERATION TECHNIQUE

Year of Publication: Jun - 2012
Page Numbers: 362-366
Authors: Nor Aida Mahiddin, Noaizan Safie, Elissa Nadia, Suhailan Safei, Engku Fadzli
Conference Name: The International Conference on Informatics and Applications (ICIA2012)
- Malaysia

Abstract:


Various techniques that employ GPS signals such as A-GPS and GPS transmitters [4, 7] have been introduced with the hope to provide a solution for indoor positioning detection. We proposed the implementation of trilateration technique to determine the position of users in indoor areas based on Wi-Fi signal strengths from access points (AP) within the indoor vicinity. In this paper, percentage of signal strengths obtained from Wi-Fi analyzer in a smartphone were converted into distance between users and each AP. A user’s indoor position could then be determined using a formula proposed based on trilateration technique.