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Method, system, switchback device and terminal of different systems

A different system switching and different system technology, applied in the direction of electrical components, wireless communication, etc., can solve the problems of switchback failure, reduce the reliability and success rate of switchback of different systems, and achieve the effect of improving reliability and success rate

Active Publication Date: 2016-12-14
CHINA MOBILE COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] Embodiments of the present invention provide a method, system, device and terminal for switching back to different systems, which are used to solve the failure of switching back when the terminal is switching back to different systems, and reduce the reliability and success of switching back to different systems rate problem

Method used

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  • Method, system, switchback device and terminal of different systems
  • Method, system, switchback device and terminal of different systems
  • Method, system, switchback device and terminal of different systems

Examples

Experimental program
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Embodiment 1

[0066] As shown in FIG. 3(a), it is a flow chart of a method for switching back different systems in Embodiment 1. The method specifically includes:

[0067] Step 101: Receive the capability identification of whether the Fast Return function is supported reported by the terminal.

[0068] The capability identifier of whether the terminal supports the Fast Return function may be reported through a free bit of a terminal capability information element (Information Element, IE). Specifically, in the circuit domain connection in the communication field, the terminal capability information element may be a class mark (Classmark), and in the packet switching connection, the terminal capability information element may be MS Radio Access (MS Radio Access). The following uses Classmark as an example to describe the manner in which the terminal reports the capability identifier in step 101 .

[0069] In the solution of step 101, the capability identifier may be carried in the idle bits...

Embodiment 2

[0093] Embodiment 1 of the present invention uses the core network as the executing subject to switch back between different systems. Embodiment 2 of the present invention uses the cell where the terminal resides in the network after switching between different systems as the executing subject to switch back between different systems, as shown in the figure 5(a), including the following steps:

[0094] Step 201: When the terminal performs inter-system handover, the cell where it resides after the handover obtains the capability identifier of whether it supports the Fast Return function reported by the terminal from the core network.

[0095] The capability identification of whether the terminal supports the Fast Return function stored in the core network can be obtained according to the method of step 101, and the cell where the terminal resides after switching can request the core network to obtain the capability identification of whether the terminal supports the Fast Return ...

Embodiment 3

[0108] Such as Figure 6 As shown, it is a schematic structural diagram of a different-system switchback device in Embodiment 3. The different-system switchback device provided in Embodiment 3 can be integrated with equipment units in the core network, or can be a device in the core network. An independent device, the inter-system switchback device includes a receiving module 11 , a judging module 12 and a sending module 13 . in,

[0109] The receiving module 11 is used to receive the capability identification of whether the terminal supports the Fast Return function reported by the terminal; the judging module 12 is used to determine whether the terminal supports the Fast Return function according to the capability identification of the terminal when the terminal performs inter-system switching The sending module 13 is configured to, when it is determined that the terminal supports the Fast Return function, instruct the network side where the terminal resides after handover ...

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Abstract

The invention discloses a method, system, device and terminal for switching back between different systems, the main content of which is: through the ability identification reported by the terminal, when the terminal performs switching between different systems, it can be based on the ability identification reported by the terminal Determine whether the terminal supports the Fast Return function. For a terminal that supports the Fast Return function, the neighbor cell message is sent to the terminal, allowing the terminal to quickly know the network cells that can switch back to different systems according to the received message from the neighbor cell, and perform switch back to different systems. ; For a terminal that does not support the Fast Return function, no neighbor cell information is sent to it. At this time, the terminal initiates LAU / RAU in the cell where the network currently resides to perform cell reselection, and completes the switchback between different systems, thus avoiding the terminal The failure of the switchback of the different system occurs during the switchback of the different system, thereby improving the reliability and success rate of the switchback of the different system.

Description

technical field [0001] The present invention relates to the field of wireless communication, and in particular to a method, system, device and terminal for switching back between different systems. Background technique [0002] With the continuous development of communication technology, the manufacturing capacity of terminals is also constantly developing. Most of the current terminals support networks with multiple service standards, but generally a priority network is set for the terminal, requiring the terminal to, if possible, Prefer to reside on this network. However, when the terminal is in the process of performing services, as the location of the terminal changes, it may be necessary to switch from the preferred network to other networks, and reside in other networks to continue to perform the service, that is, the terminal performs inter-system handover . When the terminal ends the execution of the service while residing on other networks, the terminal needs to s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/14
Inventor 殷端
Owner CHINA MOBILE COMM GRP CO LTD
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