Terminal device positioning system and method

Abstract

The invention relates to the communication field, in particular to a terminal device positioning system and a terminal device positioning method. The terminal device positioning system and the terminal device positioning method are used to solve the problem that a network side can not break away from terminals so as to independently complete confirmation of geographic positions of the terminals. The terminal device positioning method includes that at least two base stations report user window detection results to a wireless source distributor; the wireless source distributor confirms identification of each measured terminal corresponding to each user window detection result according to status of physical resources allocated to each measured terminal in advance, adjacent region information corresponding to all preplaced base stations and each received user window detection result, screens out the user window detection results of two different base stations which respectively achieve the highest and the second highest user window power for each measured terminal, and reports the user window detection results which are screened out to a positioning server; the positioning server respectively calculates geographic positions of all the measured terminals according to the user window detection results which are reported and geographical position information among all the base stations which execute measurement.

Description

technical field [0001] The present invention relates to the communication field, in particular to a terminal location positioning system and method. Background technique [0002] The positioning service in the communication service plays an increasingly important role in daily life, and it can be used for emergency rescue, navigation, dispatch, billing and tracking management, etc. Therefore, realizing effective positioning of the terminal is an important basis for the application of the positioning service. At present, the terminal positioning methods mainly include: Assisted Global Navagation Satellite System (A-GNSS), Downlink Observed Time Difference of Arrival (OTDOA), Timing Advance TA (Timing Advance) + AOA (Angle of Arrival). [0003] Among them, the most commonly used positioning method is TA+AOA. refer to figure 1 As shown, the terminal is located on a circle with the base station as the center and radius R, where R represents the distance between the terminal ...

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present invention provides a terminal position positioning system, which is used to solve the problem in the prior art that the terminal geographical position measurement cannot be completed independently from the terminal by the network side and the positioning effect is poor.

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