Communication establishment method and device, terminal and computer readable storage medium

An establishment method and terminal technology, applied in the field of communication, can solve the problems of long time consumption and call establishment failure, and achieve the effect of saving time and improving the call experience.

Inactive Publication Date: 2018-01-16
MEIZU TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, after testing, in the process of handover from 4G network to 2G network, call establishment failure often occurs due to cell or frequency point access failure, and it takes a long time

Method used

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  • Communication establishment method and device, terminal and computer readable storage medium
  • Communication establishment method and device, terminal and computer readable storage medium
  • Communication establishment method and device, terminal and computer readable storage medium

Examples

Experimental program
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Embodiment Construction

[0045] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0046] like figure 1 Shown is a flow chart of the first preferred embodiment of the call establishment method of the present invention. According to different requirements, the order of the steps in the flowchart can be changed, and some steps can be omitted.

[0047] The method for establishing a call is applied to one or more terminals, and the terminal is a device capable of automatically performing numerical calculation and / or information processing according to preset or stored instructions, and its hardware includes but not limited to micro-processing Devices, Application Specific Integrated Circuit (ASIC), Programmable Gate Array (Field-Programmable Gate Array, FPGA), Digital Processor (Digital Signal Processor, DSP), embedded devices, etc...

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PUM

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Abstract

The invention provides a communication establishment method and device, a terminal and a computer readable storage medium. The communication establishment method comprises the steps of when the terminal cannot access to a first predetermined cell and leads to a failure in communication connection with a called party, adding the first predetermined cell to a first forbidden cell list; skipping cells in the first forbidden cell list to perform cell search; and when a first target cell meeting preset conditions is searched, accessing to the first target cell, and performing call re-establishmenton the called party through the first target cell. The communication establishment method can save the time of cell search in the process of CSFB (Circuit Switched Fallback) and improves the communication experience of users.

Description

technical field [0001] The present invention relates to the technical field of communication, and in particular to a call establishment method, device, terminal and computer-readable storage medium. Background technique [0002] Since the LTE (Long Term Evolution, Long Term Evolution) network itself only supports the data exchange service (ie PSonly), therefore, a corresponding solution is needed in order to perform a voice call under the LTE network. In view of the above situation, in the prior art, there are mainly three solutions, namely: [0003] (1) SGLTE (Simultaneous GSM and LTE), that is, there are two sets of network signals at the same time for calls and Internet access respectively. Preferably, the 2G network is used for calling, and the 4G network is used for surfing the Internet. [0004] (2) CSFB (Circuit Switched Fallback, Circuit Switched Fallback), that is, during a call, the signal of the terminal will fall back from the 4G signal to the 2G signal. [00...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/16H04W36/00H04W36/08H04W36/30H04W76/10
Inventor 刘朋
Owner MEIZU TECH CO LTD
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