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Communication terminal

A communication terminal and baseband module technology, applied in the field of communication, can solve the problems of difficulty in improving user card communication service quality in time, difficulty in user card standby, etc., and achieve the effects of reducing network search overhead, smooth switching, and improving quality

Inactive Publication Date: 2015-06-24
史勇
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The problem to be solved by this application is that when the existing multi-card multi-mode communication terminal loses coverage or cannot normally reside in the network where the user card is on standby, it is difficult to realize the standby of the user card in time and reduce power consumption; When the signal quality of the network deteriorates, it is difficult to improve the quality of communication services provided by the user card in time

Method used

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Embodiment 1

[0048] In this embodiment, the communication terminal is specifically a dual-card dual-mode mobile phone as an example to illustrate its user card switching process, wherein the two network modes are CDMA and GSM respectively, and the two user cards are SIM card 1 and SIM card 1 respectively. SIM card 2, in the case of dual-card normal standby, SIM card 1 is in standby on the CDMA network through its corresponding baseband module, CDMA is the first network mode for SIM card 1 in standby, and SIM card 2 is in The GSM network goes into standby. Suppose SIM card 1 is the first user card, SIM card 2 is other user cards, that is, SIM card 2 is not the first user card, the baseband module corresponding to GSM (referred to as GSM baseband module for short) is the first baseband module, and the baseband module corresponding to CDMA The module (referred to as CDMA baseband module) is other baseband modules, that is, the CDMA baseband module is not the first baseband module.

[0049] T...

Embodiment 2

[0096] In this embodiment, the switching process of the user card is still described by taking the communication terminal as an example of a dual-card dual-mode mobile phone, wherein the two network modes are respectively CDMA and GSM, and the two user cards are respectively SIM cards 1 And SIM card 2, in the case of dual-card normal standby, SIM card 1 is in standby on the CDMA network through its corresponding baseband module, CDMA is the first network mode for SIM card 1 to be in standby, and SIM card 2 Standby in GSM network. Assuming that both SIM card 1 and SIM card 2 are the first user card, the baseband module corresponding to GSM (referred to as GSM baseband module for short) and the baseband module corresponding to CDMA (referred to as CDMA baseband module for short) are both first baseband modules.

[0097] The difference between this embodiment and the first embodiment lies in that the switching conditions are different. In this embodiment, the first switching con...

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Abstract

A communication terminal at least supports two user cards, all the user cards at least correspond to two network modes, and among all the user cards, at least one first user card which supports standby under two or more than two network modes exists. The communication terminal comprises base band modules corresponding to all the network modes respectively, and in the base band modules, at least one first base band module which supports two or more than two user cards to be standby under the network modes corresponding to the base band modules exists; the communication terminal further comprises an application module which comprises a control unit and a switching unit, wherein the control unit is suitable for outputting a control signal when the control unit detects that a switching condition is met, and the switching unit is suitable for switching a base band module which conducts communication with the first user card between the first base band module and other base band modules under the control of the control signal. According to the technical scheme, by means of the communication terminal, smooth switching of the user cards can be achieved, the network finding efficiency in switching is improved, and the influence on normal service is reduced.

Description

technical field [0001] The present application relates to the communication field, in particular to a communication terminal. Background technique [0002] With the rapid development of communication technology, the exchange of information between people is also more frequent, a mobile phone can no longer meet people's needs, especially those engaged in sales, management and other work, sometimes need two or three or more mobile phones to Barely meets needs. And it is very inconvenient to carry so many mobile phones, therefore, multiple cards and multiple standby mobile phones have appeared on the market. This kind of mobile phone allows users to only need one mobile phone carrier, but can install multiple Subscriber Identity Module (SIM, Subscriber Identity Module) cards or global Subscriber Identity Module (USIM, Universal Subscriber Identity Module) cards, which is obviously more convenient than carrying multiple mobile phones a lot. [0003] Among the second generatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/02H04W88/06
Inventor 史勇
Owner 史勇
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