Timer value processing method and device

A processing method and timer technology, which are applied in the field of communication, can solve the problems of lack of correlation of timers, and the failure of the dual-connection handover enhancement scheme to be implemented normally, and achieve the effect of avoiding the failure of the handover preparation process.

Inactive Publication Date: 2017-02-15
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0031] Embodiments of the present invention provide a timer value processing method and device, to at least solve the problem in the related art that the source eNB1 sets the timer value when sending the X2 handover request message to the target eNB2 and the target eNB2 sends the X2 handover request message to the target eNB2 The value of the timer set when adding a request message to SeNB lacks correlation, which leads to the problem that the dual connection handover enhancement solution cannot be implemented normally

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  • Timer value processing method and device

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Experimental program
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Embodiment 1

[0091] Figure 4 It is a flow chart of timer setting in dual connectivity handover enhancement according to preferred embodiment 1 of the present invention. Such as Figure 4 As shown, this preferred embodiment mainly presents that eNB2 sets the timer T DCprep (equivalent to the second timer above), according to the T carried in the handover request message sent by eNB1 RELOCprep (equivalent to the value of the first timer above) to assist in setting a reasonable T DCprep value, thus ensuring that subsequent figure 2 The dual connection handover enhancement scheme shown can be successfully implemented. The interaction process may include the following steps:

[0092] Step S402: UE sends a measurement report to eNB1, and handover is triggered.

[0093] Step S404: eNB1 sends an X2 handover request message to eNB2 to initiate the handover preparation process. When eNB1 sends the X2 handover request message, start the timer T RELOCprep . eNB1 carries the set T in the X2 ...

Embodiment 2

[0109] Figure 5 It is a flow chart of timer setting in dual connectivity handover enhancement according to the preferred embodiment 2 of the present invention. Such as Figure 5 As shown, in this preferred embodiment, it is assumed that the timer T set by eNB2 when sending the SeNB addition request message DCprep The value is greater than the timer T set by eNB1 when sending the X2 handover request message RELOCprep value. In the preferred implementation process, it is mainly based on the timer T notified by eNB1 RELOCprep Information about handover failure due to timeout and the set timer T learned by eNB2 itself DCprep It has not timed out, but still has not obtained the information of the response message to the SeNB addition request from the SeNB, so as to adjust the set T DCprep value, thus ensuring that subsequent figure 2 The dual connectivity handover enhancement solution shown can be successfully implemented; or, it can avoid the failure of the handover prepar...

Embodiment 3

[0118] Figure 6 It is a flow chart of timer setting in dual connectivity handover enhancement according to preferred embodiment 3 of the present invention. Such as Figure 6 As shown, in this preferred embodiment, it is assumed that the timer T set by eNB2 when sending the SeNB addition request message DCprep The value is greater than the timer T set by eNB1 when sending the X2 handover request message RELOCprep value. This preferred embodiment is mainly based on the timer T notified by eNB1 RELOCprep Information about handover failure due to timeout and the set timer T learned by eNB2 itself DCprep If it has not timed out, but still has not obtained information about the response message to the SeNB addition request from SeNB, eNB2 sends an instruction message to eNB1 to prompt eNB1 to adjust the set T RELOCprep value, thus ensuring that subsequent figure 2 The dual connection handover enhancement solution shown can be successfully implemented; or, it can avoid the fa...

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Abstract

The present invention provides a timer value processing method and device. According to the present invention, a source base station adjusts the value of a first timer according to the indication information sent by a target base station; the source base station sets the value of the first timer according to the configuration information sent by an operation management maintainer; the target base station sets the value of a second timer according to a switching request message sent by the source base station; the target base station adjusts the value of the second timer according to a switching failure message sent by the source base station; the target base station sets the value of the second timer according to the configuration information sent by the operation management maintainer, thereby being able to guarantee that a dual-connection switching enhancement scheme can be implemented successfully, at the same time, also being able to avoid the failure of a switching preparation process of switching a source eNB1 to a target eNB2 caused by the failure of an secondary eNB addition preparation process.

Description

technical field [0001] The present invention relates to the communication field, in particular to a method and device for processing timer values. Background technique [0002] With the rapid development of wireless multimedia services, people's demand for high data rate and user experience is increasing, thus putting forward higher requirements for the system capacity and coverage of the traditional Long Term Evolution (LTE) cellular network . In a traditional LTE cellular network, a macro base station (eNB) serves as the only access-side network element to provide access services for user equipment (User Equipment, UE for short). In order to meet users' demands for higher data rates and improve the spectral efficiency of cellular networks, when deploying LTE cellular networks, operators deploy a large number of Low Power Nodes (LPN) as supplements to macro base stations, providing UEs with into the service. LPN has the characteristics of low cost, low power, and conveni...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/00H04W36/08
CPCH04W36/0027H04W36/08H04W36/0079
Inventor 吴蕴璐
Owner ZTE CORP
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