Abstract
An effective and reliable indoor positioning is a highly needed service. A bi-iterative algorithm for mobile user localisation in an indoor space is presented based on the multipath measurements exploited by a single sensor. The bi-iterative algorithm calculates the locations of the mobile user and the so-called virtual sensors, which are mirror images of the physical sensors, alternatively. Notably, this algorithm does not require any a priori knowledge about the environment. Simulation results show that the location of virtual sensors can be accurately estimated after a couple of iterations, and in return, they enhance the accuracy of user localisation. The proposed algorithm can localise a user with sub-metre accuracy in most cases. Moreover, it even outperforms the positioning algorithms that require full information about the environment.
Published Version
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