Method for positioning mobile station

A mobile station, measurement report technology, applied in electrical components, wireless communication and other directions, can solve the problems of inapplicable mobile station positioning in the whole network, poor practicability, no positioning significance, etc., to achieve rapid network tuning and troubleshooting, accurate support Effect

Inactive Publication Date: 2010-07-28
GCI SCI & TECH
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AI Technical Summary

Problems solved by technology

[0004] The general positioning methods include signal angle of arrival (AOA) positioning, field strength positioning and Cell-ID TA positioning. The accuracy of these positioning methods is low (greater than 300m), and the spacing between base stations in the current city is shrinking (200m to 300m). , this positioning accuracy is even greater than the coverage area of ​​many base station cells, and has no positioning significance
[0005] In response to this situation, some new positioning methods include enhanced observation time difference E-OTD, uplink time difference of arrival positioning

Method used

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  • Method for positioning mobile station

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Embodiment Construction

[0049] The present invention will be further described in detail through specific embodiments below in conjunction with the accompanying drawings.

[0050] see figure 1 , the invention provides a set of mobile station positioning methods that are independent of network equipment and mobile station equipment. The implementation of mobile station positioning is a systematic project, including mobile network inspection, mobile network test, mobile network simulation, data analysis and processing, result generation and application, and its final carrier is software tools.

[0051] Before implementing the positioning of the mobile station, the basic geographic grid size of the pre-defined positioning is required, usually set to 100 meters, which matches the positioning accuracy of the present invention, and the subsequent specific implementation steps are as follows:

[0052] Step S1: Generate a wireless coverage simulation for the coverage area of ​​the target city

[0053] Step...

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Abstract

The invention relates to the technical field of a mobile communication system, in particular to a method for positioning a mobile station of GSM standard in the mobile communication system, which comprises the following steps of A. collecting data in the target city and generating a propagation characteristic table with geographical grids as objects; B. acquiring measurement reports and sorting the measurement reports according to each call; C. combining and processing a plurality of continuous measurement reports in the same call; D. corresponding a base station identity code (BSIC) and a broadcast control channel (BCCH) to a cell ID; E. judging whether the call happens indoors according to the combined measurement report, if yes, the positioning of the mobile station is carried out indoors; if not, the call happens outdoors, and we move on to the next step; and F. comparing the similarity of the characteristic data of the combined measurement report with that of the propagation characteristic table of the geographical grid generated in the step A and finding out the geographical grid of the mobile station, thereby realizing accurate positioning of the mobile station.

Description

technical field [0001] The invention relates to the technical field of mobile communication systems, in particular to a mobile station positioning method of the GSM standard in the mobile communication system. Background technique [0002] In the GSM system of the mobile communication system, the network protocol stipulates that the mobile station in the calling state reports its measurement report to the network side at a period of 480ms. The measurement report includes the serving cell where the mobile station is located, the timing advance and its downlink Receiving field strength, as well as the color code, frequency point and downlink receiving field strength of up to 6 neighboring cells. This information is the basic data source for all current mobile station positioning techniques. [0003] At present, the GSM mobile station positioning technology is mainly based on signal propagation time, radio wave energy attenuation measurement, triangular relationship and calcul...

Claims

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Application Information

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IPC IPC(8): H04W24/10H04W64/00
Inventor 周冠宇李建中廖俊马俊涛
Owner GCI SCI & TECH
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