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The Research of Positioning and Navigation and Its Energy Efficiency Based on Mobile Terminal

The paper is mainly about positioning and navigation of mobile terminal, and provides a solution of the combination of A-GPS and LF (Location Fingerprint) technology. The solution takes advantages of GPS positioning and CELL-ID positioning, which keep the accuracy and convenience of current technologies and promote coverage for users. Also, energy saving is in detail discussed. By the prediction of tour-based trip mode and the dynamical positioning, energy efficiency is largely improved.