ARQ (Automatic Repeat reQuest) protocol-based non-orthogonal multiple access network secure transmission method

A non-orthogonal multiple access and access network technology, which is applied in the field of secure transmission of non-orthogonal multiple access networks, can solve problems such as security issues involved and increase the risk of information leakage, and achieve low hardware resource requirements, Enhanced communication reliability and obvious advantages

Active Publication Date: 2019-03-08
ARMY ENG UNIV OF PLA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, ARQ technology increases the risk of information leakage while improving reliability through repeated transmission of information.
[0004] However, in the prior art, the security issues caused by the combination of NOMA and ARQ techniques have not been covered in the open literature

Method used

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  • ARQ (Automatic Repeat reQuest) protocol-based non-orthogonal multiple access network secure transmission method
  • ARQ (Automatic Repeat reQuest) protocol-based non-orthogonal multiple access network secure transmission method
  • ARQ (Automatic Repeat reQuest) protocol-based non-orthogonal multiple access network secure transmission method

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Embodiment Construction

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some 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 belong to the protection scope of the present invention.

[0023] The technical scheme of the present invention is described in detail below in conjunction with accompanying drawing:

[0024] Such as figure 1 The shown ARQ-assisted non-orthogonal multiple access wireless network includes a sending node S, N legal users i, i∈{1,2,…,N}, and an eavesdropping node e, all nodes are Configure a single antenna and work in half-duplex mode; the sending node S uses Non-orthogonal Multiple Access (NOMA, Non-orthogo...

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Abstract

The invention discloses an ARQ (Automatic Repeat reQuest) protocol-based non-orthogonal multiple access network secure transmission method. A wireless network comprises a sending node S, N users i, ibeing an element of a set {1, 2, and the like, N}, and an eavesdropping node e, wherein the transmitting node selects the user m and the user n according to channel conditions to transmit a signal x,and the user m and the user n demodulate respective target signals from the signal x; the user m and the user n respectively adopt an ARQ technology to communicate with the sending node; and furthermore, the signal power at each retransmission is successively decreased. The method disclosed by the invention has the beneficial effects of enhancing the communication reliability and reducing information leakage, and particularly has obvious advantages under a low power condition; and meanwhile, the method has low requirements on hardware resources, is easy to operate and favorable for engineeringapplication, and can be applied to a large-scale Internet of things scene.

Description

technical field [0001] The invention relates to the technical field of wireless communication, in particular to an ARQ protocol-based non-orthogonal multiple access network security transmission method. Background technique [0002] With the development of the Internet of Things technology, the concept of the Internet of Everything has received widespread attention in the industry. In the information transmission of the Internet of Things, on the one hand, it is a major challenge to realize massive connections under limited communication resources; on the other hand, low-cost communication nodes occupy an important proportion. Due to the limitation of equipment cost, these communication nodes are difficult to complete Computational tasks and channel estimation, therefore, achieving reliable communication under the constraints of equipment cost is another big challenge. Non-orthogonal Multiple Access (NOMA) technology, the basic principle of which is that the transmitting en...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/34H04L1/00H04L1/18H04W28/04H04W72/12
CPCH04L1/0048H04W52/346H04L1/18H04W28/04H04W72/121H04W72/542
Inventor 蔡跃明向中武杨炜伟马瑞谦孙小丽杨文东
Owner ARMY ENG UNIV OF PLA
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