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Method and system for switching macro cell to home base station cell

A technology of home base stations and macro cells, applied in electrical components, wireless communication, connection management, etc., to achieve the effects of improving system reliability, improving user experience, and increasing business revenue

Inactive Publication Date: 2011-04-13
深圳市恒程汇文化科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of this, the main purpose of the present invention is to provide a method and system for cell handover from a macro cell to a home base station, which is used to solve the technical problem that a UE cannot be handed over from a macro cell to a home base station cell

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  • Method and system for switching macro cell to home base station cell
  • Method and system for switching macro cell to home base station cell
  • Method and system for switching macro cell to home base station cell

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Embodiment 1

[0030] attached figure 2 For the flow chart that the present invention realizes switching through the X2 interface, the detailed steps are as follows:

[0031] Step 201: Divide the X2 resource of the macro cell (the cell under the eNB) into two parts: a dynamic part and a static part. There is no statically configured X2 path between the macro cell and the HNB cell, and dynamic X2 resources are used to dynamically establish the X2 path between the macro cell and the HNB cell when needed.

[0032] The X2 interface of the dynamic part is dynamically established according to the specific switching needs, which is related to the UE call and used for handover to the home base station; the X2 interface of the static part refers to the X2 interface part that will not change unless the device fails or the configuration is modified once it is configured. , used for handover between macro base stations. The division of the dynamic part and the static part is based on business needs. ...

Embodiment 2

[0043] attached image 3 For the flow chart that the present invention realizes switching through the S1 interface, the detailed steps are as follows:

[0044] Step 301: The UE establishes an RRC connection with the access network, and the UE enters the RRC_CONNECTED state;

[0045] Step 302: The eNB sends a measurement configuration request to the UE through an RRC reconfiguration request message;

[0046] Step 303: After receiving the measurement configuration, the UE starts measurement according to the configuration, and sends an RRC reconfiguration complete message to the eNB;

[0047] Step 304: The UE measures the adjacent cell, and when the measurement report condition is met, reports the measurement report to the macro cell (eNB), and the measurement report includes the cell ID (ID) of the HNB that the UE wants to switch into.

[0048] Step 305: The macro cell receives the measurement report, uses the ID of the cell that the UE wants to switch into, and initiates an S...

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Abstract

The invention discloses a method and system for switching a macro cell to a home base station cell, which are used for solving the technical problem that UE (User Equipment) cannot be switched to the home base station cell from the macro cell. Through dividing an X2 interface resource into a dynamic part and a static part, when in switching, a macro base station creates an X2 connection to a homebase station cell by utilizing the dynamic part of an X2 interface according to an identifier of the home base station cell which is carried in a measurement report and the UE wishes to be switched to, and then triggers the X2 interface-based switching, or switches through an S1 interface. Through the method and the system, the problem that the UE cannot be switched to the home base station cell from the macro cell is solved, therefore, the user experience is improved, the system reliability is enhanced, and the service income of an operator is increased.

Description

technical field [0001] The present invention relates to a long term evolution (Long Term Evolution, LTE) mobile communication system, in particular to a handover method and system from a macro cell to a home base station cell. Background technique [0002] LTE mobile communication system see figure 1 , mainly includes: core network (CN) and access network (E_UTRAN), the core network mainly includes mobility management entity (MME) and serving gateway (S-GW), and the access network consists of the evolving node B (eNodeB, ENB ), the core network and the access network are interconnected through the S1 (interface between the core network and the access network) interface, and the different eNodeBs in the access network are interconnected through the X2 interface. [0003] A macro cell refers to a cell with a relatively large coverage area, a relatively large transmission power, and a large number of supported users. [0004] Home base stations / home node B (Home Nodeb / eNodeB,...

Claims

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Application Information

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IPC IPC(8): H04W24/10H04W36/30H04W76/06H04W92/20
CPCH04W36/04H04W84/045
Inventor 张现周张文英李虎虎
Owner 深圳市恒程汇文化科技有限公司
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