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

A technology for home base stations and macro cells, which is applied in transmission systems, electrical components, connection management, etc. to improve user experience, improve system reliability, and increase service revenue.

Inactive Publication Date: 2013-06-12
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

Examples

Experimental program
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Embodiment 1

[0027] attached figure 2 For the flow chart that the present invention realizes switching through the X2 interface, the detailed steps are as follows:

[0028] 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.

[0029] 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

[0040] attached image 3 For the flow chart that the present invention realizes switching through the S1 interface, the detailed steps are as follows:

[0041] Step 301: The UE establishes an RRC connection with the access network, and the UE enters the RRC_CONNECTED state;

[0042] Step 302: The eNB sends a measurement configuration request to the UE through an RRC reconfiguration request message;

[0043] 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;

[0044] Step 304: The UE measures the neighboring 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 identity (ID) of the home base station that the UE wants to switch into.

[0045] Step 305: The macro cell receives the measurement report, uses the ID of the cell that the UE wants to switch i...

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Abstract

The present invention discloses a method and system for handover from a macro cell to a Home Node B (HNB) cell, which are used for solving the technical problem that a User Equipment (UE) can not be handed over from a macro cell to an HNB cell. In the present invention, the X2 interface resources are divided into a dynamic part and a static part. During the handover process, according to the identifier, carried by the measurement report, of the HNB cell to which the UE desires to be handed over, the macro Node B uses the dynamic part of the X2 interface to establish an X2 connection to the HNB cell and triggers the handover based on the X2 interface; or, according to the identifier, carried by the measurement report, of the HNB cell to which the UE desires to be handed over, the macro Node B triggers the handover based on an S1 interface. The present invention solves the problem that a UE can not be handed over from a macro cell to an HNB cell, thus the user experience is improved, the system reliability is enhanced, and the service income of operators 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 the mobility management ), 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, HNB) are installed in a large number of homes, and can be powered on and off at any time. In network pl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/10H04W24/10H04W36/30H04W76/06H04W92/20
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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