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Method and system for inter-cell eliminating interference

A technology for eliminating interference and between cells, applied in the field of communication

Active Publication Date: 2011-05-11
XFUSION DIGITAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The present invention provides a method and system for eliminating interference between cells to solve the problem of using partial frequency reuse technology when eliminating inter-cell interference in the prior art The problem of frequency utilization efficiency of the whole system

Method used

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  • Method and system for inter-cell eliminating interference
  • Method and system for inter-cell eliminating interference

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Embodiment Construction

[0038] The configuration information of the base station in each cell specifies the time slots used by users at the center of the cell and users at the edge of the cell. A better way is to establish a user time division multiplexing table in the base station, and specify time slots used by cell center users and cell edge users in the table. The establishment of the time division multiplexing table needs to be coordinated and determined by each cell according to the conditions of adjacent cells. For adjacent cells, the time slots used by the edge users of the cell specified in the user time division multiplexing table of different cells are different, that is, adjacent cells The time slots used by cell edge users are staggered from each other. The establishment of the time division multiplexing table of each base station can be formed when the system is established.

[0039] Table 1 and Table 2 show the user time division multiplexing tables of adjacent cell A and cell B respe...

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Abstract

The disclosed eliminating interference method comprises: BS divides local subzone into the central user and edge user according to UE signal; BS uses time slot appointed in configuration information to transmit data with both the center and edge users, wherein, the edge users of different subzone apply different time slot.

Description

technical field [0001] The present invention relates to the communication field, in particular to a method and system for eliminating interference between cells. Background technique [0002] Existing commercial wireless communication systems can support uplink and downlink multi-user access. Uplink means that the terminal sends data to the base station, and downlink means that the base station sends data to the terminal. Different users can communicate with the base station at the same time, and the data of different users are multiplexed on one link by means of frequency division, time division or code division to ensure that the channels used by them are orthogonal to each other, that is to say, there will be no communication between users. interfere with each other. [0003] Due to the limited coverage of each base station, in order to allow the system to accommodate more users, the wireless communication coverage area is usually divided into individual cells, usually ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W16/00H04L27/26H04W16/14H04W72/04
Inventor 阮卫杜颖钢李斌
Owner XFUSION DIGITAL TECH CO LTD