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Base station coordination system and method

A base station cooperation and base station technology, which is applied in the system field of base station cooperation, can solve the problems of low utilization rate of frequency resources and reduction of base station system capacity, etc., and achieve the effect of improving utilization rate and capacity

Inactive Publication Date: 2011-05-11
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Based on the idea of ​​interference elimination, this method coordinates the allocation of frequency resources from the perspective of interference management, and the utilization rate of frequency resources is not high
Moreover, in order to ensure that the frequency resources allocated by adjacent sectors do not overlap, the capacity of the base station system will be reduced

Method used

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  • Base station coordination system and method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0064] This embodiment provides a base station cooperation system. The base station cooperation system includes: at least two base stations, the at least two base stations are respectively located in at least two adjacent base station cells, and the at least two base stations include the first base station and the first base station. The second base station; the central area of ​​the base station cell is a non-cooperative area, and the edge area at the junction of the at least two base station cells is a cooperative area;

[0065] The first base station is configured to provide communication for user terminals in the non-cooperative area of ​​the base station cell where the first base station is located;

[0066] The second base station is configured to provide communication for user terminals in the non-cooperative area of ​​the base station cell where the second base station is located;

[0067] Wherein, the first base station and the second base station are further configur...

Embodiment 2

[0080] Such as Figure 4 As shown, the embodiment of the present invention also provides a first base station cooperation device, including:

[0081] The acquisition module is used to collect channel information between users in the cooperation area and each base station participating in the cooperation. The cooperation area is the edge area at the junction of at least two base station cells, and the base stations participating in the cooperation are: The frequency allocated by the cooperation area cooperates together, and provides the base station for communication for the users in the cooperation area. The channel information between the users in the cooperation area and the base stations participating in the cooperation can be collected from the base station, so that the base station can obtain the information from the air interface. channel information collected to the base station cooperation equipment;

[0082] A processing module, configured to calculate a precoding ve...

Embodiment 3

[0114] Such as Figure 11 As shown, the embodiment of the present invention also provides a first base station cooperation method, and the base station cooperation method includes:

[0115] Collect channel information between users in the cooperation area and each base station participating in the cooperation. The cooperation area is the edge area at the junction of at least two base station cells. The base stations participating in the cooperation are: according to the frequency allocated to the cooperation area Coordination, the base station that provides communication for the users in the cooperation area, where the channel information between the users in the cooperation area and the base stations participating in the cooperation can be collected from the base station, so that the channel information obtained by the base station from the air interface can be collected into The base station cooperation device;

[0116] Calculate the precoding vector of each user according ...

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Abstract

The embodiment of the invention provides a base station coordination system, which comprises at least two base stations, wherein the at least two base stations are respectively positioned in at least two neighboring base station cells, and comprise a first base station and a second base station; central areas of the base station cells are non-coordination areas, and adjacent edge areas of the at least two base station cells are coordination areas; the first base station is used for providing communication for user terminals in the non-coordination area in the base station cell where the first base station is positioned; and the second base station is used for providing communication for user terminals in the non-coordination area in the base station cell where the second base station is positioned, wherein the first base station and the second base station are further used for coordinating according to the frequency allocated to the coordination areas so as to provide communication for the user terminals in the coordination areas.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a system and method for base station cooperation. Background technique [0002] In the base station system, inter-cell interference has become the main factor limiting the performance of mobile communication. Especially for cell edge users, the impact of interference from adjacent cells is particularly serious. Therefore, how to reduce the inter-cell interference in the base station system is an urgent problem to be solved. [0003] A method of reducing inter-cell interference in the base station system in the prior art is: divide the area responsible for a base station into several sub-sectors, and the base station feeds back the information of each sub-sector to the BSC (Base Station Controller, base station controller) The data flow information includes interference scenarios and load conditions, etc. After analyzing the data flow information, the BSC ...

Claims

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Application Information

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IPC IPC(8): H04W72/14H04W88/18
Inventor 张弓杨讯郑彦翎
Owner HUAWEI TECH CO LTD