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Method and device for processing timer switching

A processing method and timer technology, applied in the field of communication, can solve problems such as inability to modify, reconfiguration parameters are unavailable, etc., and achieve the effect of maintaining consistency

Inactive Publication Date: 2013-09-11
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, as shown in 2, in the current protocol, there is no provision to stop the T304 timer after the reconfiguration fails, it only shows that the reconfiguration parameters are not available
This will lead to contradictions: Since T304 will be turned on when receiving the handover reconfiguration message and the duration is carried by the handover reconfiguration message, when the reconfiguration fails, it will consider that the reconfiguration parameters are not available and the parameters must be rolled back , and at this time the T304 timer parameter has been used and cannot be modified

Method used

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  • Method and device for processing timer switching
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  • Method and device for processing timer switching

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Figure 7 is a flow chart of a successful handover according to a preferred embodiment of the present invention, combined below Figure 7 The improved X2 / S1 switching success flow is described.

[0043] exist Figure 7 In the flow shown, when the UE receives a handover command (for example, a handover reconfiguration message), it will apply the parameters carried in the reconfiguration message, for example, the UE higher layer (RRC layer) will apply reportProximityConfig, measConfig, sCellToAddModList, sCellToReleaseList and other related parameters, PDCP layer will apply securityAlgorithmCofig wireless parameters, RLC layer, MAC layer, PHY layer will apply radioResourceConfigDedicated, radioResourceConfigCommon and other wireless parameters, when the RRC layer receives PDCP, RLC, MAC, PHY configuration success indication, the RRC layer will The T304 timer is turned on, and the handover enters a substantive stage, and other follow-up processes can be handled according...

Embodiment 2

[0045] Figure 8 It is a flowchart of reconfiguration message failure according to a preferred embodiment of the present invention (handover within a cell accompanied by cross-mobility management entity (Mobile Management Entity, referred to as MME) handover), combined below Figure 8 The intra-cell handover caused by the UE's initial context change after the inter-MME handover is described.

[0046] exist Figure 8 In the flow shown, when the UE performs cross-MME handover and the number of authentication vector groups configured by the core network is 1, after the UE successfully completes the cross-MME handover, the UE will initiate a tracking area update (Tracking area update, referred to as TAU) process, at the same time, authentication interaction will be performed again to determine whether the key used by the network side and the terminal has changed. At this time, the UE will consider that the KEY SET ID has not changed, because the authentication vector identifier o...

Embodiment 3

[0048] Figure 9 is a flow chart of reconfiguration message failure according to a preferred embodiment of the present invention, combined below Figure 9 The intra-cell handover caused by the TAU procedure with mandatory authentication is described.

[0049] exist Figure 9 In the process shown, when the core network enables mandatory authentication configuration, the TAU process initiated by the UE will be accompanied by intra-cell handover regardless of the reason. If the number of authentication vector groups of the core network is configured as 1, the UE will In the authentication result, it will consider that the KEY SET ID is the same as the previous authentication KEY SET ID, while the core network side will consider that the key has changed. After the authentication, the core network will initiate a UE initial context modification request. After receiving the message , the base station side will initiate the handover process in the cell, and will set the keyChangeln...

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Abstract

The invention discloses a method and device for processing timer switching. The method comprises the steps of receiving a command used for indicating switching, conducting parameter reconfiguration, and starting a timer after parameter reconfiguration success. Through the method and device, at least one of the following problems, regulated in a relevant protocol, that timer duration backspacing cannot be realized after parameter reconfiguration fails caused by mishandling to the timer during the switching process and switching time is too long caused by mishandling to the timer is solved, and therefore the consistency with a current standard protocol is kept.

Description

technical field [0001] The present invention relates to the communication field, in particular to a method and device for processing a handover timer. Background technique [0002] With the advancement of the 3rd Generation Partnership Project (3GPP) technology, the communication industry accelerates the commercial promotion of the Long-Term Evolution (LTE) system, and the LTE technology has become more and more However, with the increase of LTE system commercial scenarios, the practice will reflect the aspects that cannot be considered comprehensively in the agreement. This problem occurs during the switching process. [0003] figure 1 It is a flow chart of successful non-competitive handover according to related technologies, such as figure 1 As shown, in the handover process, after the user equipment (User Equipment, referred to as UE) receives the handover command (for example, handover reconfiguration message) sent by the source base station (S_eNB), the UE starts th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/08
Inventor 向浩求陈中明
Owner ZTE CORP