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Method and device for configuring almost blank subframes in base band unit

A blank subframe, baseband unit technology, applied in electrical components, wireless communication and other directions, can solve the problems of underutilized spectrum resources, reduce spectrum utilization efficiency, etc., and achieve the effect of improving spectrum utilization efficiency

Active Publication Date: 2016-10-19
ALCATEL LUCENT SHANGHAI BELL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

If the traditional almost blank subframe configuration method is used in the distributed wireless system, that is, almost blank subframes are configured in the entire macro cell, the spectrum resources of remote radio heads far away from the micro cell are not fully utilized, thus Reduced spectrum utilization efficiency

Method used

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  • Method and device for configuring almost blank subframes in base band unit
  • Method and device for configuring almost blank subframes in base band unit
  • Method and device for configuring almost blank subframes in base band unit

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Embodiment Construction

[0034] In the following detailed description of the preferred embodiment, reference is made to the accompanying drawings which form a part hereof. The accompanying drawings show, by way of example, specific embodiments in which the invention can be practiced. The illustrated embodiments are not intended to be exhaustive of all embodiments in accordance with the invention. It is to be understood that other embodiments may be utilized and structural or logical changes may be made without departing from the scope of the present invention. Accordingly, the following detailed description is not limiting, and the scope of the invention is defined by the appended claims.

[0035] As mentioned above, the existing almost blank subframe configuration scheme is not suitable for the distributed remote radio head system and the macro cell deployed with the micro cell. However, the present invention aims to improve the spectrum utilization rate of the remote radio head far away from the m...

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Abstract

The invention relates to a method for configuring almost blank subframes in a base band unit of a distributed base station. The method includes the following steps that 1, the proximity relation between all radio remote heads of the distributed base station and at least one micro cell is analyzed; 2, only radio remote heads of at least one proximity micro cell are configured with almost blank subframes. In addition, the invention relates to a device for configuring the almost blank subframes in the base band unit of the distributed base station. The almost blank subframes are locally configured in the distributed base station, almost blank subframes are not configured in radio remote heads of far micro cells, and the frequency spectrum use efficiency of the distributed base station is greatly improved.

Description

technical field [0001] The present invention relates to distributed wireless systems. Specifically, the present invention relates to a method and device for configuring almost blank subframes in a baseband unit of a distributed base station. Background technique [0002] In a traditional macro cell, radio signals come only from the macro base station. When a micro cell is deployed in such a macro cell to construct a heterogeneous network, the macro base station acts as a main source of interference for user equipment at the edge of the micro cell. Figure 1A A schematic diagram showing interference to a micro cell in a conventional macro cell. Wherein, user equipment 1 is a user equipment at the edge of a micro cell, and exchanges signaling and data with the micro base station. The macro base station constitutes the main interference source of the user equipment 1 . [0003] In order to avoid such interference, the time-domain interference coordination mechanism refers to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04
Inventor 冷晓冰唐彦波成慧婷韩锋
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD
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