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Green secure communication method for multi-user interference alignment network

A technology for multi-user interference and secure communication, applied in the field of multi-user interference alignment network green secure communication, interference alignment, and can solve problems such as increasing the energy consumption of the sender

Active Publication Date: 2018-08-21
江苏三台山数据应用研究院有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On this basis, "Anti-Eavesdropping Schemes for Interference Alignment (IA)-Based Wireless Networks" of "Transactions on Wireless Communications", Volume 15, Issue 8, proposed a method of using the sender to send artificial noise to achieve secure communication, but increased the energy of the sender consume

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  • Green secure communication method for multi-user interference alignment network
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  • Green secure communication method for multi-user interference alignment network

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Embodiment Construction

[0076] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0077] Such as figure 1 Shown is the system model of the multi-user interference alignment network of the present invention;

[0078] The flow process of the green confidential communication method of the present invention is as follows: figure 2 shown;

[0079] Step 1: Initialize as figure 1 The shown interference alignment network system includes K user pairs and an additional eavesdropping user. The sending end and receiving end of legitimate users are equipped with M and N antennas respectively, and the sending end sends d data streams, where K≥1, M ≥1, N≥1, and d is smaller than the smaller value of M and N. The receiving end adopts a full-duplex design, which sends artificial noise while receiving the signal, and the number of data streams is d an , where d an less than the smaller of M and N. Eavesdropping users equipped with N ...

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Abstract

The invention discloses a green secure communication method for a multi-user interference alignment network. In the interference alignment network, artificial noises are sent through adoption of a full duplex receiving end, thereby realizing secure communication; at a receiving end, through utilization of a power split method, simultaneous information and power transfer can be finished; and an information and power allocation proportion is optimized through adoption of a constrained convex optimization algorithm, thereby overcoming defects in the prior art. The method has the beneficial effects that the artificial noises are utilized fully at the receiving end, a network transmission rate can be ensured, moreover, an eavesdropping rate of an eavesdropping end is clearly reduced, a simultaneous wireless information and power transfer technology is enabled to achieve relatively efficient power collection, and the secure communication and green communication are effectively combined.

Description

technical field [0001] The invention relates to interference alignment technology, in particular to a green and secure communication method for a multi-user interference alignment network, which belongs to the technical field of wireless communication. Background technique [0002] For wireless communication systems, their effectiveness and reliability are important indicators to measure system performance. Currently, there are two key factors affecting these two important indicators, namely interference and energy. [0003] Interference is a basic factor in the network. On the one hand, it will affect the transmission rate of users to a certain extent, and reduce the effectiveness and reliability of the system. On the other hand, it can also be used in turn to interfere with eavesdropping users in the network to a certain extent, and indirectly improve system reliability. Therefore, how to effectively deal with interference has become a hot topic in the field of modern wi...

Claims

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Application Information

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IPC IPC(8): H04L25/03H04B7/0452H04B7/0456H04B7/024H04L29/06
CPCH04B7/024H04B7/0452H04B7/0456H04L25/03343H04L63/04Y02D30/70
Inventor 解志斌耿新泉胡莹王彪李效龙张贞凯田雨波
Owner 江苏三台山数据应用研究院有限公司
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