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Mobile terminal for reconstructing packet domain business in CSFB (Circuit Switched Fallback) process and method of mobile terminal

A packet domain service and mobile terminal technology, applied in the mobile terminal field to achieve the effect of improving the experience

Active Publication Date: 2013-11-20
CHINA ACADEMY OF INFORMATION & COMM +1
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, it is not yet determined how the terminal will rebuild and restore the packet service after the voice service is completed, and on which network it will be rebuilt

Method used

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  • Mobile terminal for reconstructing packet domain business in CSFB (Circuit Switched Fallback) process and method of mobile terminal
  • Mobile terminal for reconstructing packet domain business in CSFB (Circuit Switched Fallback) process and method of mobile terminal
  • Mobile terminal for reconstructing packet domain business in CSFB (Circuit Switched Fallback) process and method of mobile terminal

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Embodiment Construction

[0025] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the embodiments and accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0026] figure 1 Shown is the CSFB functional architecture between LTE and UTRAN / GERAN in the prior art. from figure 1 It can be seen from the figure that the key to realize CSFB function is that MSC can establish SGs interface with MME in order to realize operations such as joint location update and paging of LTE and 2G / 3G. In addition, in order to realize the CSFB function, UE, MME, MSC, EUTRAN, and SGSN all need to be upgraded to add additional functions.

[0027] figure 2 Shown is a structural diagram of a CSFB-supporting mobile terminal capable of rebuilding packet domain services accordin...

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Abstract

The invention discloses a mobile terminal for reconstructing packet domain business in a CSFB process and a method for reconstructing the packet domain business in the CSFB process by using the mobile terminal. The mobile terminal is a multimode LTE (Long Term Evolution) mobile terminal; a business record module is used for counting and recording on-going packet domain business characteristics; and the mobile terminal has a function of returning to an LTE network for reconstructing the packet domain business or continuing reconstructing the packet domain business in a GSM / GPRS / 3G network according to information of the business record module after a circuit domain business is completed. With the adoption of the mobile terminal and the method, the mobile terminal can choose a suitable network for group business reconstruction according to the characteristics of the previous interrupt business, certain businesses with low rate, small business volume and not very high survive quality requirement can be reconstructed on the GSM / GPRS / 3G network rapidly, the LTE network is not required to be returned to, and the feeling of user using the business is improved to a large extent.

Description

technical field [0001] The invention relates to mobile communication technology, in particular to a mobile terminal and a method thereof for reconstructing a packet domain service in a CSFB flow. Background technique [0002] LTE / UMTS / GSM / GPRS multi-mode single-standby handheld digital mobile terminal is a single radio frequency mode, that is, a dual-mode or multi-mode terminal with LTE (Long Term Evolution), 3G and 2G access capabilities, when using LTE network access , unable to receive / send circuit domain service signals, that is, unable to complete traditional circuit domain services such as voice and videophone. In order to enable the terminal to initiate voice, videophone and other circuit domain services under LTE access, and receive paging of voice and other circuit domain services, and to correctly process the ongoing data services of the terminal under LTE access , resulting in CSFB technology for circuit domain business fallback. [0003] In the early stage of E...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W76/02H04W88/06
Inventor 李文宇宋爱慧胡泊宋丽娜杨红梅
Owner CHINA ACADEMY OF INFORMATION & COMM
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