Design and Analysis of the Secure Scheme for Quantum Positioning Based on Entangled Photon Pair

Positioning accuracy of the traditional positioning has been limited because of the power and bandwidth limitation, quantum entanglement and compression technology can greatly improve the accuracy of measurement and synchronization. So, using the coherence of entangled photons and the principle of quantum spatial positioning, the scheme of quantum positioning with entangled photon pair was proposed, which consisted of ground, satellite and the user three parts, the ground sent EPR entangled photon pairs to two satellites in three respectively, then the entangled photon pairs were sent to user by satellites, when the coincidence counting rate reaches the maximum three times, the user location can be got by computing. In the end, the paper compares the two kinds of positioning technology from the aspects of positioning accuracy, safety and so on.