Abstract
AbstractThe LBS and indoor positioning technologies are being developed rapidly in nowadays, and the integrated positioning and navigation system of indoor/outdoor is gradually becoming a reality. However, to describe the spatial points, a specific coordinate reference frame is needed as the space basis and premise, which is appeared to be lacking of research for a long time. This paper studied and discussed a coordinate reference frame and its implementation method based on the research project of outdoor/indoor seamless positioning system. The coordinate frame could integrate a variety of outdoor and indoor positioning techniques and methods, and provide a spatial basis for seamless positioning. It also provides a reference for the true realization of the coordinate reference frame in the future.KeywordsLBSIndoor positioningCoordinate systemCoordinate reference frame
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