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Method and apparatus for protecting secret of mobile phone location

A mobile phone location and privacy technology, which is applied in the field of protecting the user's mobile phone location privacy, can solve problems such as mobile phone synchronization errors, and achieve the effect of protecting privacy and increasing possibilities

Active Publication Date: 2008-11-19
SPREADTRUM COMM (SHANGHAI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because there is a wireless signal propagation delay between the base station and the mobile phone, and there is also an error in the synchronization of the mobile phone, the base station allows the time for the mobile phone signal to reach it to change.

Method used

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  • Method and apparatus for protecting secret of mobile phone location
  • Method and apparatus for protecting secret of mobile phone location
  • Method and apparatus for protecting secret of mobile phone location

Examples

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Embodiment Construction

[0033] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0034] figure 2 The flow of the method for protecting the location privacy of the mobile phone according to the present invention is shown. Combine below figure 2 Each step in the method flow is described in detail.

[0035] Step S10: The mobile phone receives the base station signal and performs system synchronization to obtain the frame header position of the received wireless signal.

[0036] Step S11: The mobile phone determines the ideal transmission time of the signal to be transmitted with a certain delay from the frame header according to the communication protocol and the network command.

[0037] According to the agreement, the mobile phone is controlled to perform the operation of determining the ideal transmission time through the downlink of network signaling: the mobile phone obtains the unlimited resource configuration information fo...

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Abstract

The invention discloses a protection method and device to hide the position of a mobile phone, which avoids the position positioning of a mobile user by the network through the transmitting signal of the mobile phone, thereby protects the privacy of the user. The technique proposal is that the method of the invention includes: receive the base station signal and perform system synchronization; obtain the position of the frame head of the received wireless signal; identify an ideal signal transmitting time which has a certain time delay from the frame head according to the communication protocol and network command; calculate a random delay number within the base station receiving range; and then use the sum of the ideal signal transmitting time and the random delay number as the real transmitting time to transmit the signal. The protection method and device of the invention can be used in mobile communication field.

Description

technical field [0001] The invention relates to a method and device for protecting user privacy in a mobile communication system, in particular to a method and device for protecting user mobile phone location privacy by adjusting the mobile phone transmission time. Background technique [0002] With the development of wireless communication technology, while people's life has become more and more convenient, due to technical defects, personal privacy protection is also facing more and more serious challenges. The location information of the mobile phone, as an important private information of the mobile phone user, marks the current geographic location of the user. [0003] At present, according to whether mobile phones are required to participate, the collected positioning technologies are mainly divided into two types: mobile positioning technologies that require mobile phones to report information and mobile phone positioning technologies that do not require mobile phones...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/26H04L29/06
Inventor 吴涛吕玲
Owner SPREADTRUM COMM (SHANGHAI) CO LTD
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