室内定位技术研究综述

With the rapid development of intelligent communication and Internet of things, wireless positioning technologies are gaining more and more attention, and indoor positioning has a wide range of potential applications in industrial production and people's daily life, thus becomes a focus of current research, a variety of indoor positioning technologies are continuously emerging. This paper reviews the research work on indoor positioning technologies comprehensively. First, the main indoor positioning principals with application cases are introduced, and the advantages with disadvantages on the aspects of accuracy and cost are compared. Then, the positioning algorithms of a new indoor positioning technology based on Visible Light Communication (VLC) are emphatically presented. Finally, this paper summarizes the classification system of indoor positioning technologies, and points out some key issues which are ugent to be solved and related breakthroughs.