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Practical interference alignment and deletion method, and terminal equipment

A technology that interferes with alignment and deletion methods, applied in the field of communication, can solve problems such as large backhaul overhead

Active Publication Date: 2018-09-28
ZHENGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since each decoded receiving node has to pass backhaul information to all other undecoded receiving nodes, the above backhaul link data transfer process will result in a large backhaul overhead

Method used

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  • Practical interference alignment and deletion method, and terminal equipment
  • Practical interference alignment and deletion method, and terminal equipment
  • Practical interference alignment and deletion method, and terminal equipment

Examples

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Embodiment Construction

[0110] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0111] The present invention proposes a practical interference alignment and deletion method, which is applied to a communication link and includes a sending end and a receiving end, the sending end includes at least two sending nodes, and the receiving end includes at least two receiving nodes. The above-mentioned sending node may be a mobile phone, a tablet computer, an Internet of Things terminal device, etc., and the above-mentioned receiving node may be a base station, a router, a remote radio frequency module, and the like.

[0112] Such as figure 1 As shown, the method includes the following steps:

[0113] S101. Design the interference alignment precoding of the ...

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Abstract

The invention relates to the technical field of communication, and discloses a practical interference alignment and deletion method comprising the steps as follows: interference alignment precoding oftwo sending nodes is designed, so that the interference of the two sending nodes to two unexpected receiving nodes is separately combined into the same signal sub-spaces of the two receiving nodes; the precoding of the other sending nodes is designed by using interference alignment, so that the two receiving nodes decode respectively expected data; the two receiving nodes acquiring the data transmit the decoded data to the third receiving node via a return link; and the third receiving node decodes the respectively expected data and the data of the residual receiving nodes, which are not decoded, via the return link, and then the third receiving node transmits the corresponding expected data to the residual receiving nodes, which are not decoded, via the return link. By using the method provided by the invention, the optimal free degree performance based on the closed solution can be acquired under the condition of the relatively low computation complexity, and the return cost can beeffectively reduced.

Description

technical field [0001] The present invention relates to the field of communication technologies, in particular to a practical interference alignment and deletion method and terminal equipment. Background technique [0002] With the continuous development of communication technology, interference alignment and deletion can achieve a higher degree of freedom in a multi-antenna based interference network, thereby improving the throughput performance of the network. In mobile communication scenarios with limited backhaul link capacity such as dense small base station deployment networks based on wireless backhaul, the information interaction process in the backhaul link is not allowed to generate large backhaul overhead, so low computational complexity and low backhaul overhead Interference alignment and deletion methods have good practical value. [0003] Current programs include: [0004] For a communication system with multiple sending nodes and multiple receiving nodes, wh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/0456H04L25/03
CPCH04B7/0456H04L25/03343
Inventor 靳进高向川
Owner ZHENGZHOU UNIV
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