| Summary: | 碩士 === 國立中央大學 === 通訊工程學系 === 103 === As development of wireless networks advance, a variety of positioning technologies have been proposed. The positioning technology using existing infrastructure for positioning has become the most attractive research topic. The current positioning technologies have many disadvantages, such as complicated estimation, calculation and offline measurements. In order to solve the above problems, this thesis proposes the simple indoor positioning system, which uses the existing wireless network and estimates the location according to the variance of the sets of discovered access points. Our experimental results confirmed that the simple estimation method is able to measure the locations of users.
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