Handover method for LTE (long term evolution) mobile communication system and corresponding eNB node

A mobile communication system and long-term evolution technology, applied in the field of 3GPP long-term evolution mobile communication systems, can solve problems such as unsuccessful TBAU handover of access units, throughput drop, measurement gap, etc.

Active Publication Date: 2013-01-30
ALCATEL LUCENT SHANGHAI BELL CO LTD
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  • Description
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Problems solved by technology

[0026] However, in the existing technical solutions for handover between eNB nodes, there are cases where the handover delay is long a

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  • Handover method for LTE (long term evolution) mobile communication system and corresponding eNB node
  • Handover method for LTE (long term evolution) mobile communication system and corresponding eNB node
  • Handover method for LTE (long term evolution) mobile communication system and corresponding eNB node

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Embodiment Construction

[0037] It is believed that the above and other objects, features and advantages of the present invention will become more clear through the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings.

[0038] Figure 4 A flowchart showing a handover method for an LTE mobile communication system according to an embodiment of the present invention. The present embodiment will be described in detail below in conjunction with the accompanying drawings.

[0039] In this embodiment, the LTE mobile communication system adopts figure 1 The architecture shown. The handover method in this embodiment is executed at the source eNB node, where the source eNB node refers to the eNB node currently serving the user equipment.

[0040] Such as Figure 4 As shown, in step S401, the source eNB node configures measurement requirements for the user equipment UE, and the measurement requirements include parameter settings relate...

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Abstract

The invention provides a handover method for an LTE (long term evolution) mobile communication system and a corresponding eNB node. The method comprises the following steps of: configuring measurement requests which are relevant to parameter setting of a measurement report for triggering handover preparation and of a measurement report for triggering the handover for UE (user equipment); receiving a measurement report which is from the UE and is used for triggering the handover preparation; judging for handing over according to the received measurement report for triggering the handover preparation; acquiring radio resource control connection reconfiguration information related to handover; storing the radio resource control connection reconfiguration information; receiving a measurement report which is from the UE and is used for triggering the handover; providing the stored radio resource control connection reconfiguration information to the UE to start the handover; and releasing the related resource after successful handover is carried out.

Description

technical field [0001] The present invention relates to a 3GPP long term evolution (Long Term Evolution, LTE for short) mobile communication system, and in particular, relates to handover technology in the LTE mobile communication system. Background technique [0002] LTE technology is the evolution of the third generation mobile communication technology 3G, and it is the transition between 3G technology and 4G technology. [0003] figure 1 A schematic diagram showing the general architecture of an LTE mobile communication system. Such as figure 1 As shown, the LTE communication network system usually adopts a two-layer flat network architecture, including the access network E-UTRAN composed of eNodeB (hereinafter referred to as eNB) nodes and the mobility management entity (Mobility Management Entity, referred to as MME) and service An evolved packet core network (Evolved Packet Core network, EPC for short) node composed of a gateway (Serving Gateway, SGW for short). Th...

Claims

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Application Information

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IPC IPC(8): H04W36/30H04W76/06
Inventor 钱荣福徐浩郭伟周加铳
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD
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