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An optimized method for network searching of dual-card mobile telephone

A technology for mobile phones and optimization methods, applied in the field of mobile communications, to achieve the effect of saving battery power and shortening the time to find a network

Active Publication Date: 2008-07-09
SPREADTRUM COMM (SHANGHAI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The technical problem to be solved by the present invention is to effectively solve the network-finding problem of a single-chip dual-card single-standby mobile phone

Method used

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  • An optimized method for network searching of dual-card mobile telephone
  • An optimized method for network searching of dual-card mobile telephone
  • An optimized method for network searching of dual-card mobile telephone

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Embodiment Construction

[0023] The invention relates to a network search optimization method for a single-chip dual-card dual-standby mobile phone. Please refer to FIG. 1 , which is a dual-card mobile phone 10 applied to the network search optimization method of the present invention. The mobile phone 10 has two SIM card slots, which are installed with a SIM card one 11 and a SIM card two 12 respectively.

[0024] Please refer to FIG. 2 , which is a block diagram of the mobile phone 10 . This mobile phone 10 comprises baseband processing chip, the SIM card interface that is connected with baseband processing chip and chip selection control, is connected to the electronic switch of SIM card interface and chip selection control simultaneously, two SIM card slots that are connected in parallel to electronic switch (respectively) SIM card one 11 and SIM card two 12), a display connected to the baseband processing chip, a keyboard, a radio frequency module, a power supply, an external storage medium and ...

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Abstract

The invention discloses a dual card network searching optimization method, which is characterized in that one SIM card in a mobile phone searches the network firstly and records the network searching result; when sends out a network searching request, the other SIM card is accessed into the network by directly reading the record, thus reducing the network search of the dual card mobile phone once, thereby reducing the electric consumption of the battery and shortening the network searching time to a great extent.

Description

technical field [0001] The invention relates to the field of mobile communication, in particular to a network finding optimization method for a single-chip dual-card dual-standby mobile phone. Background technique [0002] At present, users who use the Global System for Mobile Communications (Global System for Mobile; GSM) can only obtain network services after inserting a Subscriber Identification Module Card (SIM card for short) into a mobile phone. Through the SIM card, the user can become a registered user of the network and enjoy various services provided by the network. Most of the mobile phones on the market currently have a single SIM card, but many users have more than one SIM card and often need to change the SIM card It is quite inconvenient to use. [0003] Driven by technology, market and wireless mobile application business, the wireless mobile communication industry has developed rapidly, and mobile communication products have become a necessity for people's ...

Claims

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Application Information

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IPC IPC(8): H04Q7/32H04Q7/38
CPCY02D30/70
Inventor 崔世军
Owner SPREADTRUM COMM (SHANGHAI) CO LTD
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