A method for improving positioning accuracy of global navigation satellite systems includes: in a first step, a reference station located at a base station of a mobile communication network receives at least a first satellite signal transmitted from a global navigation satellite system; in a second step, subsequent to the first step, a server of the mobile communication network calculates correction information based on the first satellite signal received by the reference station; in a third step, subsequent to the second step, the correction information is transmitted to a mobile user equipment entity from a base station of the mobile communication network; in a fourth step, the mobile user equipment entity receives a second satellite signal transmitted from the global navigation satellite system; and in a fifth step, subsequent to the third step, the position of the mobile user equipment entity is calculated based on the correction information and the second satellite signal.

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