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Evolution base station and method for checking information between evolution base stations

A technology of evolved base stations and relational information, applied in the field of information verification between evolved base stations and evolved base stations

Active Publication Date: 2012-05-23
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] It can be seen that in the prior art, when two evolved base stations share resources, the interference load rate of one of the evolved base stations is very high, due to the interference load rate When the message is lost and another evolved base station cannot know the interference load rate of the evolved base station, the scheduling failure rate of the other evolved base station increases; There is no way to inform another eNB about these changes, so the scheduling failure rate of another eNB must also increase

Method used

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  • Evolution base station and method for checking information between evolution base stations
  • Evolution base station and method for checking information between evolution base stations
  • Evolution base station and method for checking information between evolution base stations

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Embodiment

[0065] Such as Figure 5 As shown, evolved base station A and evolved base station B are adjacent base stations, the serving cells under the jurisdiction of evolved base station A are A1~Am, the serving cells under the jurisdiction of evolved base station B are B1~Bn, and serving cells A1 and B1 are adjacent serving cells . Assume that the shared resource of eNB A and eNB B is the frequency band from 60 Hz to 83 Hz within 30 minutes from 8 o'clock.

[0066] When the evolved base station A and the evolved base station B are in normal operation, both can obtain their own interference load rate, and the obtaining method is the prior art, and will not be repeated here. Between adjacent evolved base stations, when the interference load rate of one of the evolved base stations reaches 90%, a load indication message is sent to another evolved base station. In this embodiment, the evolved base station A sends a load indication message to the evolved base station B, and the content o...

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Abstract

The invention relates to an evolution base station and a method for checking information between the evolution base stations. The method comprises the following steps: when the dispatch of a first evolution base station fails, transmitting a request message for obtaining the interference load rate of a second evolution base station to the second evolution base station; after the second evolution base station receives the request message, transmitting a response message carrying the self interference load rate to the first evolution base station; and after the first evolution base station receives the response message, updating the locally stored interference load rate of the second evolution base station. The evolution base station comprises a transmitting unit, a receiving unit, a first updating unit and a storing unit. The invention greatly reduces the dispatching failure rate of the target evolution base station, improves the stability of an LTE network and can be widely applied toan LTE system.

Description

technical field [0001] The invention relates to a wireless network long-term evolution technology, in particular to an evolution base station and an information checking method between the evolution base stations. Background technique [0002] like figure 1 As shown, the wireless network long-term evolution (LTE, Long Term Evolution) system includes evolved base stations (ENB, Evolution Node Base) 21-2n and access gateways (aGw, accessGateway) 11-1m; wherein, the access gateways 11-1m are Part of the evolved packet core network (EPC, EvolvedPacket Core) 1, the interface between the evolved base station and the access gateway is the S1 interface, the evolved base station is connected to the evolved packet core network 1 through the access gateway, and the S1 interface supports multiple access gateways The connection relationship of interacting with multiple evolved base stations; the evolved base stations are interconnected in a grid mode through the X2 interface. [0003] ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W88/08H04W92/20
Inventor 张大钧
Owner DATANG MOBILE COMM EQUIP CO LTD