A terminal positioning method and positioning device

Abstract

The present invention provides a terminal positioning method and device. The positioning method comprises: obtaining measurement data between a base station and a terminal; respectively obtaining the transmit-receive time difference of the terminal and the arrival angle of a base station antenna according to the measurement data; performing correction processing of the transmit-receive time difference, and obtaining the corrected transmit-receive time difference; obtaining the distance from the terminal to the base station according to the corrected transmit-receive time difference; and obtaining the first positioning information of the terminal according to the distance and the arrival angle. According to the scheme, the obtained transmit-receive time difference is corrected to allow corrected transmit-receive time difference to be more accurate, the error is reduced, and the error of the distance from the terminal to the base station according to the transmit-receive time difference is reduced, so that the positioning information of the terminal is more accurate, and the precision of the positioning of the terminal is improved.

Description

technical field [0001] The present invention relates to the field of wireless communication, in particular to a positioning method and a positioning device for a terminal. Background technique [0002] In everyday life, the ability to locate an object and communicate with it can form a combination that enables a wide range of location-based services—navigation, location-based advertising, tracking children, cars, or even detaining criminals. This also prompts that mobile phones should have positioning capabilities. Another strong motivation comes from the requirements of the Federal Communications Commission (FCC) in the United States, that is, whether it is a fixed or mobile phone, it must have a high positioning accuracy when an emergency call occurs. [0003] In the cellular mobile communication system, the specific location information of the mobile terminal obtained by the base station is also of great significance for the analysis of network performance. The most int...

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a terminal positioning method and a positioning device to solve the problem that the existing wireless signal will inevitably have a time delay relative to line-of-sight transmission after reflection and refraction, and the more complex the wireless environment, the more complex the wireless environment. The larger the radius of the serving cell, the more serious the impact of the error, which will lead to the problem of greatly reducing the accuracy of positioning

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