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Mixed positioning method suitable for TD-SCDMA system

A technology of TD-SCDMA and hybrid positioning, which is applied in the field of high-precision hybrid positioning of TD-SCDMA system, and can solve problems such as inapplicable urban areas and indoors

Inactive Publication Date: 2006-11-29
韩国仁荷大学教产学协力团 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method has high positioning accuracy and fast speed, but there are blind spots in urban areas and buildings, so it is not suitable for urban areas and indoors

Method used

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  • Mixed positioning method suitable for TD-SCDMA system
  • Mixed positioning method suitable for TD-SCDMA system
  • Mixed positioning method suitable for TD-SCDMA system

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Experimental program
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Embodiment Construction

[0014] Such as figure 1 As shown, the location service architecture of the TD-SCDMA system is described. Ideally, the LBS application runs on a mobile phone with an integrated GPS chip. However, if the mobile phone has not yet integrated a GPS chip and the processing capacity of the mobile phone is limited, the LBS application program can also run on a PDA (Personal Digital Assistant, Personal Digital Assistant) with a strong processing capacity and an interface with the GPS component. The data between the PDA and the mobile phone Communication is carried out via RS-232, and the format follows the definition of the PDA-UE interface below.

[0015] The position measurement and calculation process are two processes that all positioning technologies must have, and they can be implemented on the mobile terminal side or on the network side. In the initial stage of TD-SCDMA system construction, when mobile phones have not yet integrated GPS chips, and the location service system h...

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PUM

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Abstract

This invention relates to an accurate hybrid positioning technology for TD-SCDMA system for the purpose of designing accurate positioning technology used in TD-SCDMA system to provide accurate data source for various kinds of services based on positions, among which, the main problem lies in selecting an advanced positioning technology, reasonal laying out the positioning signal measurement and computing function, designing positioning process flow and defining related communication interface and information. We use the hybrid positioning technology of arriving time difference and assistance global position system to realize the accurate positioning.

Description

technical field [0001] The invention relates to the field of wireless communication. In particular, it relates to a high-precision hybrid positioning method in a TD-SCDMA (Time Division Synchronous Code Division Multiple Access) system. Background technique [0002] The TD-SCDMA standard is the only de facto time-division duplex (TDD) mode standard, and has dedicated frequency bands all over the world, which means that the application of TD-SCDMA may be global. With the continuous development of mobile communication networks and technologies, the content and form of information services are becoming more and more abundant, and location information with spatial characteristics is being used more and more. Users can use mobile terminals (such as mobile phones, PDAs, etc.) to cooperate with the wireless network to determine the user's actual geographical location, thereby providing various service information related to the user's location, and knowing the environment and surr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q7/38G01S5/02H04J13/00H04W4/02
Inventor 夏英葛君伟彭大芹刘兆宏邹永贵李宗浩金明根裴海英
Owner 韩国仁荷大学教产学协力团