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Method and device for releasing resources during handover

A technology for resource release and handover process, applied in the field of wireless communication, can solve the problems of waste of wireless resources and network resources, delay in triggering the process of resource release, etc., and achieve the effect of improving access capacity

Inactive Publication Date: 2011-11-30
DATANG MOBILE COMM EQUIP CO LTD
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AI Technical Summary

Problems solved by technology

[0038] However, it is obvious that the MME has not changed during the handover process, the resource release timer has not expired, and the UE performs a TAU request on the target eNB. The resource release process is triggered a little late, resulting in a certain waste of radio resources and network resources.

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  • Method and device for releasing resources during handover
  • Method and device for releasing resources during handover
  • Method and device for releasing resources during handover

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Embodiment Construction

[0054] The resource release method and device in the handover process provided by the present invention will be described in more detail below with reference to the accompanying drawings and embodiments.

[0055] A method for releasing resources during handover provided by an embodiment of the present invention, such as figure 2 shown, including:

[0056] Step 201, the network side device starts a resource release timer after determining that the control plane handover of the user terminal UE is completed;

[0057] During the handover process, the control plane handover is first completed on the network side. After the control plane handover is completed, a resource release timer will be started to reserve a period of time for the user plane handover. After the timer expires, the resources on the network side will be released.

[0058] Step 202, the network side device stops the resource release timer and triggers the network side resource release when receiving the tracking...

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Abstract

The present invention discloses a resource release method and device in the handover process. The method includes: a network side device starts a resource release timer after determining that the control plane handover of a user terminal UE is completed; the network side device starts a resource release timer after the resource release Before the timer expires, when the tracking area update TAU request sent by the UE is received, the resource release timer is stopped, and the network side resource release is triggered. The present invention releases resources on the source network side when a user initiates a TAU process, without waiting for the timer to expire, so that the user's resources on the network side can be released as soon as possible, and the access capacity of the network is improved.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a method and device for releasing resources during handover. Background technique [0002] In an LTE (Long Term Evolution, long-term evolution) system, an eNB (evolved NodeB, evolved base station) and an EPC (Evolved Packet Core, evolved packet core) are connected through an S1 interface. Such as figure 1 Shown is the existing S1 handover process, which mainly includes the following process: [0003] 1) The source eNB decides to perform handover based on S1. [0004] 2) The source eNB sends a Handover Required message to the source MME (Mobility Management Entity, mobility management entity). [0005] 3) The source MME selects a suitable target MME, and sends a Forward Relocation Request message to the target MME. [0006] 4) The target MME selects a corresponding target SGW (Serving Gateway, Serving Gateway), and sends a Create Session Request message ...

Claims

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Application Information

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IPC IPC(8): H04W76/06
Inventor 王晓峰
Owner DATANG MOBILE COMM EQUIP CO LTD
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