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Relay control method capable of reliably feeding back channel information

A technology of feedback channel and control method, which is applied in the relay control field of reliable feedback channel information, can solve the problems of profit-driven exaggeration and false reporting of channel information, and the decline of confidential communication performance of communication systems, so as to maximize the confidentiality capacity and solve the problem of source nodes. , The effect of reliable feedback channel information

Inactive Publication Date: 2012-11-07
ZUNYI LISHENG MACHINERY PROCESSING
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the actual system, the relay node will obtain the income of forwarding the data after being selected to forward the information. Therefore, in order to be selected during the transmission process, the relay node will have the interest drive of exaggerating and falsely reporting the channel information, which makes the communication system confidential. Communication performance is greatly reduced

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  • Relay control method capable of reliably feeding back channel information
  • Relay control method capable of reliably feeding back channel information
  • Relay control method capable of reliably feeding back channel information

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Embodiment Construction

[0012] The technical solution of the present invention is further described below in conjunction with the accompanying drawings, but the scope of protection is not limited to the description.

[0013] A relay control method that reliably feeds back channel information. In a relay communication system with eavesdropping points, the transfer payment part is added to the revenue of the relay node to control the revenue of each relay node to ensure that the relay node is in the feedback Feedback the real value when channel information, where the transfer payment is defined as in a certain relay node R i During the relay selection process, all other relay nodes R j In participating relay node R i Relay Selection and Assumption No Participating Relay Node R i The difference in revenue between the two processes of relay selection, i and j are both natural numbers greater than 1, and i≠j.

[0014] Such as figure 1 , in a relay communication system with eavesdroppers, for the i-th ...

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Abstract

The invention discloses a relay control method capable of reliably feeding back channel information. A transfer payment section is added in the profit of a relay node to control the profit of each relay node so as to ensure that the relay node can feed back the true value when feeding back the channel information, wherein the transfer payment is defined as the difference between the profit of a process that all of the other relay nodes Rj participate in the relay selection of a certain relay node Ri and the profit of a process that all of the other relay nodes Rj are supposed not to participate in the relay selection of the relay node Ri in the relay selection process of the relay node Ri. The relay control method provided by the invention has the positive effect that the transfer payment is introduced to automatically enable each relay node to follow the principle that the relay node can obtain the maximum profit only by feeding back the true channel information when feeding back the channel information, so as to well solve the problem that the relay node cheats the source node and to ensure reliable feedback of the channel information. Accordingly, the principle that the optimum effect can be obtained by telling the truth can be realized, and the optimum secrecy capacity of physical layer communication of the entire system can be ensured.

Description

technical field [0001] The invention relates to a relay control method for reliably feeding back channel information. Background technique [0002] In the research of the next-generation communication system (4G / LTE), confidential communication at the physical layer has been considered. Here, the communication scenario with eavesdroppers is considered, specifically referring to the communication transmitter sending data information to the target receiver, but this information Will be received by eavesdroppers, resulting in information leakage. The confidentiality capacity of the physical layer refers to the difference between the channel capacity of the target recipient of the communication and the eavesdropper. The larger this parameter is, the better the confidentiality of our physical layer communication is. Realizing secure communication on the physical layer can reduce system overhead, and the security performance is better than traditional secure communication. [00...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/16H04B7/14
Inventor 宋令阳
Owner ZUNYI LISHENG MACHINERY PROCESSING
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