Research on outage probability based power allocation method in millimeter wave system

2017 IEEE 17th International Conference on Communication Technology (ICCT) Pub Date : 2017-10-01 DOI:10.1109/ICCT.2017.8359684

Yan Ma, Meng Wu

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引用次数: 1

Abstract

In recent years, millimeter wave communication technology has entered a period of rapid development, design framework of millimeter wave mobile communication system which combined large-scale antenna array and beamforming has been continuously strengthened. From the point of view of physical layer security, this paper analyzes the propagation characteristics, channel parameters and channel model of millimeter wave, and probes into the problem of passive eavesdropper in MISO communication scene. The main work includes: firstly, introduce the multipath propagation characteristics of millimeter wave, using beamforming and artificial noise broadcasting as a secure transmission mechanism. Secondly, a power allocation strategy based on artificial noise under the condition of inaccurate CSI is proposed to meet the QoSs (service quality requirement) constraints both at destination and eavesdropper so as to guarantee target secrecy probability. Both power constrained and power unconstrained systems are considered. The simulation results show that the outage probability-based method is simpler and more efficient than the existing second — order-statistic-based method.

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基于中断概率的毫米波系统功率分配方法研究

近年来，毫米波通信技术进入高速发展期，结合大规模天线阵列和波束成形的毫米波移动通信系统设计框架不断得到加强。从物理层安全的角度出发，分析了毫米波的传播特性、信道参数和信道模型，探讨了MISO通信场景中无源窃听的问题。主要工作包括:首先，介绍了毫米波的多径传播特性，采用波束形成和人工噪声广播作为安全传输机制;其次，为了满足目的端和窃听端对服务质量要求的约束，保证目标保密概率，提出了一种不准确CSI条件下基于人工噪声的功率分配策略。考虑了功率约束系统和功率无约束系统。仿真结果表明，基于中断概率的方法比现有的基于二阶统计量的方法更简单、更有效。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2017 IEEE 17th International Conference on Communication Technology (ICCT)

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