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Interference aligning method of wireless network

A wireless network and interference alignment technology, which is applied in the field of interference management of wireless communication systems, can solve problems such as the difficulty of implementing wireless network interference alignment methods, and achieve the effects of solving interference management problems, high network throughput, and good realizability

Inactive Publication Date: 2017-01-04
SHANGHAI RES CENT FOR WIRELESS COMM +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0012] In view of the shortcomings of the prior art described above, the purpose of the present invention is to provide an interference alignment method for a wireless network, which is used to solve the problem of difficulty in implementing the interference alignment method for a wireless network in the prior art

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  • Interference aligning method of wireless network
  • Interference aligning method of wireless network
  • Interference aligning method of wireless network

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Embodiment Construction

[0037] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

[0038] Please refer to attached picture. It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic ideas of the present invention, and only the components related to the present invention are shown in the diagrams rather than the n...

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Abstract

The invention provides an interference aligning method of wireless network. The method comprises the transmission freedom degrees that can be supported by transmission links in three cells are identified; ordering is carried out according to the transmission freedom degrees; a freedom degree relation area in which the transmission links L1, L2 and L3 are positioned is determined according to the transmission freedom degrees; according to the freedom degree relation area, a precoding matrix W1 of the transmission link L1, a precoding matrix W2 of the transmission link L2 and a precoding matrix W3 of the transmission link L3 are calculated respectively; the precoding matrix W1 is back fed to the sending end of the transmission link L1; the precoding matrix W2 is back fed to the sending end of the transmission link L2; and the precoding matrix W3 is back fed to the sending end of the transmission link L3. According to the invention, the problem in interference management in the cell edge is solved, the network throughput is higher, and realization is easier.

Description

technical field [0001] The present invention relates to the technical field of interference management of a wireless communication system, in particular to an interference alignment method applicable to a multi-cell wireless network. Background technique [0002] The same-frequency networking is the main networking form of the wireless communication network, and higher network capacity is obtained through frequency multiplexing. However, in the same-frequency networking mode, there is a serious problem of same-frequency interference in the edge areas of adjacent cells, which further reduces the performance and user experience of edge users. How to efficiently solve the problem of co-channel interference has always been a research direction focused on by academia and industry. Currently, typical interference management methods include: [0003] (1) Interference management through resource orthogonalization: [0004] Orthogonalization of transmission resources is the main w...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/0456
CPCH04B7/0417H04B7/0456
Inventor 杨秀梅高杰姚沙张梦莹
Owner SHANGHAI RES CENT FOR WIRELESS COMM
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