用于IRS辅助安全太赫兹通信的压缩感知概述

Sangeetha Gopinath
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引用次数: 1

摘要

随着各种通信业务的飞速发展,对移动用户的数据传输速率和传输安全性提出了更高的要求。有时在不向用户泄露信息的情况下传输完整的信息是非常困难的,可能会有一些巨大的障碍阻碍发射器和接收器之间的直接连接。此外,在移动用户附近可能存在窃听者,窃听者可以在发送时确定关键信息。在接收端,准确的信道估计是获取信息的必要条件。智能反射面(IRSs)是一项新兴的创新,它使入射电磁波的异常耗散可调。该方法实现了对传播环境的动态控制,为无线通信网络提供了一种额外的增强措施。本文研究了智能反射面(IRS)辅助太赫兹(THz)通信。IRS在发送方和接收方之间起中介作用。对于高载频应用,使用太赫兹频段,这保证了广泛的带宽(0.1-10太赫兹)。与其他技术相比,太赫兹允许更高的链路方向性,并提供更低的窃听机会。IRS是一种扩展信号覆盖的新兴策略,可以克服太赫兹系统的高路径损耗。本文采用压缩感知(CS)技术进行信道估计。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
An overview of compressive sensing for IRS assisted secure terahertz communication
Considerable development of different communication services requires a higher data rate and secure transmission for mobile users. Sometimes it is very difficult to deliver full information without information leakage to the user, there may be some huge obstacles to block the direct connection between transmitter and receiver. Moreover, there may be an eavesdropper is present near to the mobile user who can determine critical information while sending. At the receiver side, accurate channel estimation is necessary to obtain the information perfectly. Intelligent reflecting surfaces (IRSs) are an arising innovation that empowers tunable abnormal dissipating of incident electromagnetic waves. This grants dynamic control of the propagation environment and presents an extra enhancement measurement to wireless communication networks. In this paper an Intelligent reflecting surface (IRS) assisted Terahertz (THz) communication is considered. IRS act as a mediator between transmitter and receiver. For high carrier frequency applications, a terahertz frequency band is used, which promises extensive bandwidth (0.1-10 THz). Compared to other techniques THz permits higher link directionality and offers lower eavesdropping chances. The IRS is a rising strategy for extending signal coverage and can defeat high path loss of THz systems. Here Compressive sensing (CS) technique is using to obtain the channel estimation.
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