Method and system for realizing terminal positioning by using air base station

A technology for terminal positioning and terminal location, which is applied in services, transmission systems, radio transmission systems, etc. based on location information, and can solve the problems of difficulty in guaranteeing the accuracy of measurement parameters, limitations, and power consumption.

Pending Publication Date: 2021-09-03
仲川
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0031] Disadvantages: specific module support is required (general mobile phones now have GPS modules), the first positioning is slow, it is almost impossible to use indoors, and it consumes more power to turn on GPS
[0047] Positioning algorithms based on positioning reference signal time measurement/angle measurement are also applied in base station systems, but in the act

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  • Method and system for realizing terminal positioning by using air base station
  • Method and system for realizing terminal positioning by using air base station
  • Method and system for realizing terminal positioning by using air base station

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Embodiment Construction

[0084] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0085] figure 2 It is an example of the present invention having a plurality of air base stations (or equivalent situations) to send downlink positioning signals and terminal positioning;

[0086] Such as figure 2 As mentioned above, multiple air base stations send positioning signals and corresponding feature information when they are in the air, and are detected and received by the terminal to perform positioning calculation.

[0087] Table 1 describes an example of the characteristic information of the positioning signal sent by the base station in the air. The positioning signal source / positioning signal transmission time / positioning signal source type indication / signal source transmission power information in the table may not all exist de...

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Abstract

The invention provides a method and a system for realizing terminal positioning by using an air base station, and relates to the field of positioning technologies and air base stations. A positioning technology based on a satellite system has the problem of weak positioning signals and needs a special positioning chip, while a positioning technology based on a ground base station system has relatively large limitation in the actual application as signals of a base station and a terminal are generally refracted and reflected in an actual environment and the parameter measurement precision is difficult to guarantee. Along with a possibly generated air base station communication network architecture, the air base station is used as a positioning signal reference source as a new positioning system mode, and the possibility is provided for improving the positioning precision of the terminal in a low-cost mode. Since the positioning signal diameter channel probability between the terminal and the air base station is improved, the parameter measurement accuracy of the positioning signal is improved, and meanwhile, the air base station exchanges measurement parameters through position adjustment and communication with the terminal, so that the improvement of the positioning precision is facilitated.

Description

technical field [0001] The invention relates to the fields of terminal positioning and air base stations, and in particular to a method and a system for a communication terminal to use the transmission signal of the air base station or an air base station to realize terminal positioning by using the transmission signal of the communication terminal. Background technique [0002] Location Based Services (LBS, Location Based Services), also known as location services, is a location-related service provided by wireless operators for users. The location-based service enables the operating company to add a new value-added service that is popular with users, adding new revenue. The mobile communication system obtains the geographic location information (such as longitude and latitude coordinates) of the mobile terminal through a specific positioning technology, and provides it to the mobile user himself, the communication system or a third-party positioning client, and with the su...

Claims

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Application Information

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IPC IPC(8): H04W4/029H04W64/00H04B7/185
CPCH04W4/029H04W64/006H04B7/18515
Inventor 仲川
Owner 仲川
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