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Interference increment reduced clustering method

A clustering and incremental technology, applied in the field of communication, can solve the problems of reduced interference increment and poor throughput of the clustering algorithm system, and achieve the effects of low calculation, low user interference and high system throughput

Active Publication Date: 2018-11-23
XIAN UNIV OF POSTS & TELECOMM
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present invention provides a clustering method with reduced interference increment, which solves the technical problem of poor throughput of the clustering algorithm system in the prior art

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Embodiment Construction

[0010] The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0011] It should be understood that the technical solutions of the embodiments of the present invention can be applied to various communication systems, for example: Global System of Mobile communication (Global System of Mobile communication, referred to as "GSM") system, Code Division Multiple Access (Code Division Multiple Access, referred to as "GSM") system CDMA") system, Wideband Code Division Multiple Access (referred to as "WCDMA") system, General Packet Ra...

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Abstract

The invention discloses an interference increment reduced clustering method. The method comprises the steps of randomly dividing all users into a first group and a second group; respectively computinginterference weight Wab among all users in the first group and the second group; determining a user m and a user n corresponding to the maximum interference weight in the two groups; computing deltaPm, deltaNm, deltaPn and deltaNn, and determining deltam and deltan; and determining whether to switch the user m and the user n to the other group or not through comparison of the deltam and the deltan, and repeating the steps until clustering computing is finished. According to the interference increment reduced clustering method provided by the embodiment of the invention, the users are randomlydivided into two clusters and continuously repeated switching is carried out according to the interference weight of the users, until the switching is finished, so the user interference is reduced. According to the method, computing quantity is relatively low, inter-cluster interference is reduced, and clustering gain is improved.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a clustering method for reducing interference increment. Background technique [0002] One of the trends in future mobile communication development is high-speed broadband and rapid data growth. In order to expand system capacity, the most common method is to use cell densification, such as the formation of micro cells and pico cells. However, the resulting inter-cell interference has become the main factor limiting the communication performance of cell edge users. Interference cancellation is a way of eliminating inter-cell interference. In order to better improve the communication performance of cell edge users, a cooperative transmission technology is proposed. This technology reduces the inter-cell interference and enhances the communication performance of edge users by performing joint processing or cooperative scheduling on the inter-cell interference suffered by cel...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W16/18H04J11/00
CPCH04J11/0026H04W16/18
Inventor 梁彦霞孙长印刘欣姜静穆瑾何华江帆
Owner XIAN UNIV OF POSTS & TELECOMM
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