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Method, device and system for adding neighbor cell

A technology of adjacent cells and adjacent cells, applied in the field of LTE system, can solve the problems of resource waste and waste, and achieve the effect of improving utilization rate, avoiding occupation, and reducing frequent interaction

Inactive Publication Date: 2015-06-03
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0024] The technical problem to be solved by the present invention is to provide a method, device and system for adding adjacent cells, to solve the problem of waste of resources established by X2 interface, to realize the establishment of X2 interface according to needs, and to avoid waste of resources

Method used

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  • Method, device and system for adding neighbor cell
  • Method, device and system for adding neighbor cell
  • Method, device and system for adding neighbor cell

Examples

Experimental program
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Effect test

Embodiment 1

[0062] figure 2 The method for adding a neighboring cell in the OAM controlled mode for this embodiment includes:

[0063] 201: The UE discovers the neighbor cell through measurement and sends a neighbor cell measurement report to the source eNB (eNB1), and the report content is the neighbor cell identifier TCI under the target eNB (eNB2), including: ECGI and PCI;

[0064] 202: eNB1 obtains the transmission address information of eNB2 through MME, and initiates an X2SETUP REQUEST message to eNB2;

[0065] 203: After eNB1 receives the X2 SETUP RESPONSE message from eNB2, the establishment of the X2 interface is completed, and the neighbor cell information is obtained;

[0066] 204: eNB1 initiates the deletion of the X2 interface between eNB2 and releases the instance resources occupied by the X2 interface;

[0067] 205: eNB1 reports the neighbor cell information obtained from the X2 SETUP RESPONSE message to OAM;

[0068] 206: OAM judges whether to add the reported cell as ...

Embodiment 2

[0071] image 3 The method for adding a neighboring cell in the OAM free mode for this embodiment includes:

[0072] 301: The UE discovers the neighbor cell through measurement and reports it to eNB1, and the report content is the neighbor cell flag TCI under eNB2, including: ECGI and PCI;

[0073] 302: eNB1 obtains the transmission address information of eNB2 through MME, and initiates an X2 SETUPREQUEST message;

[0074] 303: After eNB1 receives the X2 SETUP RESPONSE message from eNB2, the establishment of the X2 interface is completed, and the neighbor cell information is obtained;

[0075] 304: eNB1 initiates the deletion of the X2 interface with eNB2, and releases the instance resources occupied by the X2 interface;

[0076] 305: eNB1 obtains neighbor cell information from the X2 SETUP RESPONSE message and reports it to OAM;

[0077] 306: OAM adds a neighbor cell, and synchronizes the added neighbor cell record to eNB1;

[0078] 307: After the neighbor cell record is ...

application example 1

[0080] Attached below Figure 4 , taking the decision not to add adjacent cells in the OAM controlled mode as an example to illustrate this method. The precondition is: the UE discovers the neighbor cell and reports the ECGI and PCI information of the neighbor cell to eNB1.

[0081] 401: After receiving the neighboring cell information sent by the UE, eNB1 obtains the transmission address information of eNB2 to which the neighboring cell belongs through the MME, including: the IP address and port number of the X2 port of eNB2;

[0082] 402: After eNB1 obtains the transmission address information of the neighboring eNB2, it initiates an X2 SETUPREQUEST message, fills the information of eNB1 into the Global eNB ID and Served Cell Information, and waits for eNB2 to respond;

[0083] 403: After eNB1 receives the X2 SETUP RESPONSE message of eNB2, it obtains the information of eNB2 from the Global eNB ID and Served Cell Information in the message, and obtains the neighbor cell inf...

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Abstract

The present invention provides a method, an apparatus and a system for adding neighbor cells, and includes: after receiving a neighbor cell measurement report sent from a terminal, a source evolved NodeB (eNB) establishes an X2 interface with a target eNB; after finishing the establishment for the X2 interface, the source eNB initiates the deletion for the X2 interface, and when knowing that the neighbor cell was added, triggers the establishment for the X2 interface. With the method of immediate deletion after establishment, the present invention ensures the real-time establishment for the X2 interfaces, under the controlled mode, in the situation that the Operation Administration and Maintenance (OAM) does not add the neighbor cells, avoids the invalid occupancy for the resources, improves the resource utilization rate, reduces the frequent interaction caused by the neighbor cells continually updating, and meanwhile enables the operators to be released from the fussy work of manually configuring the neighbor eNB information.

Description

technical field [0001] The present invention relates to an LTE (Long Term Evolution, long term evolution) system, in particular to a method, device and system for adding adjacent cells. Background technique [0002] In the LTE system, an eNB (eNodeB, evolved Node B) establishes an X2 interface with a neighboring eNB and obtains neighboring cell information from the neighboring eNB. According to the obtained neighboring cell information, it can make X2 handover for UE (User Equipment) decision making. [0003] Currently, there are two ways to obtain specific information of adjacent cells and make a decision for the UE to perform X2 handover. [0004] 1) Through background configuration. [0005] 2) Acquired through an ANR (Automatic Neighbor Relation, automatic neighbor relation) function. [0006] The following is a brief description of the ANR function: [0007] The ANR function is implemented internally by the base station, and manages a conceptual neighbor relation ta...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W24/00H04W76/02H04W76/06H04W92/20
CPCH04W24/02H04W92/20
Inventor 杨德
Owner ZTE CORP
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