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Downlink interference management method, base station and user device

A technology for user equipment and interference management, which is applied in the field of communications and can solve problems such as downlink transmission interference in serving cells

Pending Publication Date: 2017-12-08
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] An embodiment of the present invention provides a downlink interference management method, which is used to solve the problem of interference between adjacent cell transmissions and serving cell downlink transmissions

Method used

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  • Downlink interference management method, base station and user device
  • Downlink interference management method, base station and user device
  • Downlink interference management method, base station and user device

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Embodiment Construction

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0036] In this part, some basic concepts involved in each embodiment of the present invention are described first.

[0037]The serving base station in the embodiment of the present invention includes an evolved base station (Evolutional Node B, eNB) in LTE, or a base station (Base Transceiver Station, BTS) in GSM or CDMA, or a base station (NodeB, NB) in WCDMA, or Future communication systems, such as network equipment (such as controllers) in 5G.

[0038] In the ...

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PUM

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Abstract

The invention discloses a downlink interference management method. The downlink interference management method is used for interference coordination between a service base station of a cell, where at least one first user device is, and an adjacent base station of the cell. The downlink interference management method comprises the steps that: the service base station obtains downlink interference overload information; the downlink interference overload information is used for indicating interfered transmission resources of the first user device; the service base station sends the downlink interference overload information to the adjacent base station, so that the adjacent base station performs interference coordination on the transmission resources; and the downlink interference overload information sent to the adjacent base station by the service base station can indicate the adjacent base station to perform interference coordination on the interfered transmission resources. Thereby, interference on downlink transmission resources of the first user device can be reduced or eliminated; and thus, the interference problem of adjacent transmission on downlink transmission of a serving cell can be solved.

Description

technical field [0001] The present invention relates to the technical field of communications, and in particular to a downlink interference management method, base station and user equipment. Background technique [0002] High speed and diversity are two typical requirements of future personal communication services. The densification of the network can shorten the wireless distance of communication and provide the basic guarantee for the realization of high-speed connection; the time division duplex (Time Division Duplexing, TDD) mode can facilitate the diverse services of the network, and realize the user's uplink and downlink for each application. Business needs. Therefore, dense site deployment in TDD duplex mode is a major trend in future network architecture. [0003] Network densification greatly reduces the coverage radius of each cell. In most cases, the number of users served by a cell in a dense network scenario is much smaller than that in a macro cell scenario...

Claims

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Application Information

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IPC IPC(8): H04J11/00H04W24/02
CPCH04J11/0056H04W24/02H04J11/00H04J11/005H04L5/0073H04L5/0035H04W72/52H04W72/541H04B17/336H04W24/08H04W24/10H04W40/16H04W72/0446H04W88/08
Inventor 张洁涛周雄庄宏成
Owner HUAWEI TECH CO LTD
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