Signaling tracking method, system and network node upon user switching

A network node, signaling technology, applied in data exchange network, transmission system, digital transmission system and other directions

Active Publication Date: 2008-08-13
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0042] The embodiment of the present invention provides a signaling tracking method, system and access network node during user handover, which are used to solve the problem of user-initiated handover in the LTE system. The problem of tracking user signaling

Method used

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  • Signaling tracking method, system and network node upon user switching
  • Signaling tracking method, system and network node upon user switching
  • Signaling tracking method, system and network node upon user switching

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0085] This embodiment illustrates the specific implementation process that the source access network node sends the TRACE parameter to the target access network node by carrying the TRACE parameter in the Handover Request message.

[0086] like Figure 4 In the shown LTE handover process, the TRACE parameter is carried in the HandoverRequest message sent from the Source eNB to the Target eNB. These parameters include the reference identifier of the trace, which uniquely marks this trace session, and the system judges which trace this trace is based on this identifier; including parameters such as trace depth, which are used to describe the network node trace message Level of detail; such as: the interface type of the trace, the record identifier of the trace result of the trace command, the trace result will be put into the record body marked with the record identifier, and other information. After receiving the TRACE parameter, the Target eNB can track the user according to...

Embodiment 2

[0106] This embodiment illustrates that the source access network node uses the X2 message interface to add a new X2_Invoke_Trace message to transmit the TRACE parameter.

[0107] During the handover process, the Source eNB can send the X2_Invoke_Trace message to the Target eNB. In this embodiment, the message can be sent after the Source eNB receives the Handover Request acknowledge message from the Target NB in ​​the LTE handover process. that is Figure 4 Implementation after step 406 in .

[0108] Table 12 is the X2_Invoke_Trace message sent by Source eNB to Target eNB: Direction; Source eNB→Target eNB

[0109] IE / Group Name

Presence

Criticalit

the y

Assigned

Criticality

Message Type

M

YES

ignore

...

...

...

...

Trace Reference

O

YES

ignore

Trace Propagation

Parameters

O

YES

ignore

>Trace Recording

Session Reference ...

Embodiment 3

[0113] This embodiment illustrates the implementation of the CN node initiating a trace setting command to the target eNB after the handover is completed.

[0114] In implementation, it may not be necessary to forward the tracking control and configuration parameters from the source eNB to the target eNB during the handover request or handover process. Instead, it can be sent after the switch is complete, specifically at the Figure 4 Sent in step 411 in , and bring the trace reference to the CN node. Implementation can be done in Figure 4 The handover request (HO request) in step 404 brings the trace reference to the target eNB. In this way, after the CN node receives the HO complete message, it sends the trace control and configuration parameters to the target eNB according to the trace reference, and this process can also use the CN INVOKE TRACE message.

[0115] There is also a handover process in the LTE system, Figure 6 It is a schematic diagram of another switchin...

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Abstract

The invention discloses a signaling tracking method, system for user switching, and nodes in access network, wherein the method includes that: user device initiates switching from node in source access network to node in destination access network; the mentioned node in destination access network signaling tracks user device based on tracking control and/or configuration parameters after receiving the same from the mentioned node in source access network. Signaling tracking can be carried out in user switching process of evolution network by message signaling between nodes.

Description

technical field [0001] The present invention relates to an evolution mobile communication network, in particular to a signaling tracking method, system and access network node when a user switches in an evolution network system. Background technique [0002] 1. Signaling tracking in Universal Mobile Telecommunications System (UMTS, Universal Mobile Telecommunications System). [0003] Signaling trace (TRACE) is an effective means for data recording and error provided by the mobile communication system, and this function is very important on the radio network controller (RNC, Radio Network Controller) in UMTS. [0004] In the UMTS system, there are two methods for user tracking, one is management-based tracking, and the other is signaling-based tracking. [0005] The management-based tracking method generally refers to a method of setting tracking parameters for network nodes through a network management unit. For example, the network management unit sets user-specific trac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/38H04Q7/34H04L12/24H04L29/06H04Q7/30H04Q7/32
Inventor 邱勇谢明江
Owner HUAWEI TECH CO LTD
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