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Method and device for using wireless communication system to locate position, and mobile terminal

A wireless communication system and mobile terminal technology, applied in the field of positioning devices and mobile terminals, can solve problems such as application limitations and increased terminal hardware costs, and achieve the effect of simple implementation and saving hardware costs

Active Publication Date: 2013-10-23
深圳市中兴通讯技术服务有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This positioning method needs to install a positioning chip on the terminal, which will increase the hardware cost of the terminal
Moreover, this positioning method relies on satellite signals, so its application is limited in scenarios where satellite signals cannot be received (such as indoors)

Method used

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  • Method and device for using wireless communication system to locate position, and mobile terminal
  • Method and device for using wireless communication system to locate position, and mobile terminal
  • Method and device for using wireless communication system to locate position, and mobile terminal

Examples

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Embodiment Construction

[0053]The embodiment of the present invention provides a method for positioning a mobile terminal, which can be applied to various wireless communication networks, such as CDMA, TDMA, FDMA, OFDMA, SC-FDMA and other networks. Herein, the terms "network" and "system" are often used interchangeably. A CDMA network may implement a radio technology such as Terrestrial Radio Access (UTRA), CDMA2000, and so on. UTRA includes Wideband-CDMA (WCDMA) and other variants of CDMA. CDMA2000 covers IS-2000, IS-95 and IS-856 standards. A TDMA network may implement a radio technology such as Global System for Mobile Communications (GSM). An OFDMA network may implement wireless technologies such as Evolved UTRA (E-UTRA), Ultra Mobile Broadband (UMB), IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20, and the like. UTRA and E-UTRA are part of the Universal Mobile Telecommunications System (UMTS). 3GPP Long Term Evolution (LTE) and LTE-Advanced (LTE-A) are new releases of UMTS that use E-U...

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Abstract

The invention provides a method and a device for using a wireless communication system to locate a position, and a mobile terminal and relates to the technical field of wireless communication. The method comprises the following steps: a positioning device receives a location request for a mobile terminal; the positioning device acquires transmission intensities of downlink signals transmitted by a plurality of cells to the mobile terminal and reception intensities of the downlink signals at the mobile terminal according to the location request, wherein the plurality of cells include a service cell of the mobile terminal and adjacent cells; the distances between the mobile terminal and corresponding cell base stations are calculated according to the transmission intensities and the reception intensities of the downlink signals of the cells and a predetermined path loss model of wireless signal transmission; and the geographical location of the mobile terminal is determined according to the geographical locations of the cell base stations and the calculated distances between the mobile terminal and the cell base stations. With the method and the device, position locating of the mobile terminal can be simplified, and the implementation cost can be reduced.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a method for locating a terminal by using a wireless communication system, a locating device and a mobile terminal. Background technique [0002] With the rapid development of mobile communications, mobile terminals have been widely used and are more and more closely connected with people's daily life. More and more applications want to know the real-time geographic location of the mobile terminal, thus putting forward the demand for location positioning of the mobile terminal. [0003] Common positioning methods for mobile terminals in the prior art are implemented based on satellite signals, such as a Global Positioning System (GPS, Global Positioning System) positioning method. This positioning method needs to install a positioning chip on the terminal, which will increase the hardware cost of the terminal. Moreover, this positioning method relies on s...

Claims

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Application Information

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IPC IPC(8): H04W64/00
Inventor 侯晓辉
Owner 深圳市中兴通讯技术服务有限责任公司
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