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Card reading and writing method of dual baseband chip mobile terminal

A baseband chip and mobile terminal technology, applied in the direction of collaborative work devices, telephone communications, instruments, etc., can solve management problems and other problems, and achieve the effect of convenient card management

Active Publication Date: 2014-10-08
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If it is not placed repeatedly, it may cause the user to change the card again after changing the single-chip terminal; if it is placed repeatedly, the user can use the two cards independently, which will cause management problems

Method used

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  • Card reading and writing method of dual baseband chip mobile terminal
  • Card reading and writing method of dual baseband chip mobile terminal
  • Card reading and writing method of dual baseband chip mobile terminal

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Embodiment Construction

[0030] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0031] Such as figure 2 As shown, it is a schematic structural diagram of an embodiment of a dual-baseband chip mobile terminal of the present invention. In this embodiment, the dual-baseband chip mobile terminal includes an application processor chip, a master baseband chip, a controlled baseband chip, and a UICC card, and the application processor chip passes through the data / address / control standard interface (Data / Addr / Control) respectively. It is connected with the main control baseband chip and the controlled baseband chip. The main control baseband chip is connected with the UICC card through the 8-contact data / control standard interface (Data / Control). The main control baseband chip and the controlled baseband chip are connected through the data / control Standard interface (Data / Control) connected.

[0032] I...

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PUM

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Abstract

The invention relates to a card reading and writing method for a mobile terminal with dual baseband chips. The terminal includes an application processor chip, a main control baseband chip, a controlled baseband chip and a UICC card. The main control baseband chip is connected to the controlled baseband chip, the main control baseband chip is connected to the UICC card through the 8-contact data / control standard interface, and the main control chip is connected through the data / control standard interface; the card reading and writing methods include: master The control baseband chip receives the card read and write commands of itself and the controlled baseband chip, and adds path selection information to the command; the master control baseband chip sends the card read and write commands with path selection information added to the UICC card, and sends the UICC card according to The data acquired by the path selection information is distributed to the corresponding baseband chip. The invention facilitates terminal users to use the new and old services of the telecommunication network, and avoids user use problems and operator management problems caused by multiple card changes.

Description

technical field [0001] The invention relates to mobile communication technology, in particular to a card reading and writing method for a mobile terminal with dual baseband chips. Background technique [0002] With the development of mobile communication technology, telecom operators are gradually evolving from the current CDMA1x / EVDO network to eHRPD / LTE network, where CDMA 1x is a Code Division Multiple Access (CDMA) network, EVDO (Evolution-Data Only) is A path of evolution from CDMA 1x to 3G, eHRPD is an evolved high-speed packet data (Evolved High Rate Packet Data) network, and LTE is a long-term evolution (Long Term Evolution) network. [0003] Original terminal users of CDMA 1x / EVDO network can choose a dual-baseband chip terminal capable of handling these two network communication services in order to take into account the services of both CDMA 1x / EVDO network and eHRPD / LTE network, such as a dual-mode terminal. The result is that two mobile phones are packaged into...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04M1/725H04W88/02G06K17/00H04M1/72454
Inventor 凌泽军魏文娟邢燕霞孙震强张志荣董智明
Owner CHINA TELECOM CORP LTD