Multiple targets localization approach based on virtual fingerprinting in indoor environment

Abstract

The main drawbacks of indoor localization approach based on Received Signal Strength (RSS) is the sensitivity to the fluctuation of measured RSS at a fixed location in difference time. In this paper, a novel multiple target localization approach is proposed by exploiting virtual fingerprinting, which is calculated from spacial relationship between reference nodes and virtual location nodes. The merits of our proposed method is twofold. First, our proposed method does not require the process of RSS fingerprinting constructing, which is a huge burden of localization methods based on RSS. Secondly, our proposed method is more robust than some existing methods, such as TOA-based method and RSS-based method, in big measurement error case. The efficacy of our proposed method are proven by means of some experimental results.