A x2 link conflict resolution method and device

Abstract

The invention provides an X2 link conflict resolution method and device. The method comprises the steps that conflict detection is conducted on an X2 link between a first base station and a second base station; when a conflict occurs on the X2 link, numerical value conversion is conducted on the IP address of the first base station and the IP address of the second base station, and the base station with the larger or smaller IP address numerical value has the priority; the base station with the priority keeps an X2 link coupling establishment request, and the other base station actively releases the X2 link coupling establishment request and responses to the X2 link coupling establishment request of the opposite-end base station. According to the X2 link conflict resolution method and device, the X2 link conflict can be easily and effectively resolved.

Description

technical field [0001] The invention relates to the technical field of communication networks, in particular to a method and device for resolving X2 link conflicts. Background technique [0002] In the LTE (Long Term Evolution, long-term evolution) system, the X2 link represents the link between the eNB (evolvedNodeB, evolved base station) and the eNB, and the X2 connection between the base station and the base station is established through the X2 interface to complete the communication between the base stations. The simple X2 link structure diagram is as follows figure 1 shown. The method of establishing the X2 connection can be completed through manual configuration, or can be automatically established through the ANR (Automatic Neighbor Relation, automatic neighbor relationship) in the SON (Self Organizing Network, self-organizing network) feature in the LTE system. Among them, the ANR feature is gradually being applied on a large scale because it can greatly reduce th...

AI Technical Summary

Problems solved by technology

This kind of link redundancy will bring about two main problems: 1) Increased network maintenance costs; 2) Since the X2 interface resources of the base station are generally limited, the appearance of redundant links will greatly waste the limited X2 interface of the base station , when the X2 interface reaches or approaches the resource upper limit, it will cause a large number of X2 links that really need to be established to fail to establish

[0010] A fixed delay is introduced. When the base stations at both ends of the X2 interface detect an X2 link establishment conflict, both base stations delete the X2 link request resources at the local end at the same time, and the base station re-initiates the X2 link establishment request by extending the fixed time. The delay is different to allow the two initial links to be established. However, this application has the problem that the two-way link cannot be created when the default delay is the same. In the application, the default delay needs to be modified manually.

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