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相关论文: Artificial-Noise-Aided Secure Transmission with Di…

200 篇论文

Flexible-geometry arrays based on movable antennas have shown considerable potential for improving wireless communication performance. In this letter, we investigate a multiuser multiple-input single-output (MU-MISO) downlink secure…

信号处理 · 电气工程与系统科学 2026-04-13 Xiangyu Dong , Ran Yang , Songjie Yang , Weidong Mei , Lipeng Zhu , Yue Xiu , Zhongpei Zhang

In this paper, we make an investigation of receive antenna selection (RAS) strategies in the secure pre-coding aided spatial modulation (PSM) system with the aid of artificial noise. Due to a lack of the closed-form expression for secrecy…

信息论 · 计算机科学 2020-01-24 Lin Liu , Guiyang Xia , Jun Zou , Weibin Zhang , Feng Shu , Jiangzhou Wang

This paper investigates the physical layer security of non-orthogonal multiple access (NOMA) in large-scale networks with invoking stochastic geometry. Both single-antenna and multiple-antenna aided transmission scenarios are considered,…

信息论 · 计算机科学 2017-01-10 Yuanwei Liu , Zhijin Qin , Maged Elkashlan , Yue Gao , Lajos Hanzo

In the future commercial and military communication systems, anti-jamming remains a critical issue. Existing homogeneous or heterogeneous arrays with a limited degrees of freedom (DoF) and high consumption are unable to meet the…

信息论 · 计算机科学 2023-10-17 Kaizhi Huang , Wenyu Jiang , Yajun Chen , Liang Jin , Qingqing Wu , Xiaoling Hu

This paper considers an artificial noise (AN) aided secrecy rate maximization (SRM) problem for a multi-input single-output (MISO) channel overheard by multiple single-antenna eavesdroppers. We assume that the transmitter has perfect…

信息论 · 计算机科学 2011-04-22 Qiang Li , Wing-Kin Ma

Millimeter wave (mmWave) communication has been regarded as one of the most promising technologies for the future generation wireless networks because of its advantages of providing a ultra-wide new spectrum and ultra-high data transmission…

信息论 · 计算机科学 2019-05-14 Ling Xu , Feng Shu , Guiyang Xia , Yijin Zhang , Zhihong Zhuang , Jiangzhou Wang

A two-phase beamforming solution for secure communication using untrusted relay nodes is presented. To thwart eavesdropping attempts of relay nodes, we deliberately introduce artificial noise in the source message. After pointing out the…

信息论 · 计算机科学 2014-08-05 Siddhartha Sarma

Secure precoding superimposed with artificial noise (AN) is a promising transmission technique to improve security by harnessing the superposition nature of the wireless medium. However, finding a jointly optimal precoding and AN structure…

信息论 · 计算机科学 2022-07-21 Eunsung Choi , Mintaek Oh , Jinseok Choi , Jeonghun Park , Namyoon Lee , Naofal Al-Dhahir

In this paper, a learning-aided content-based wireless image transmission scheme is proposed, where a multi-antenna-aided source wishes to securely deliver an image to a legitimate destination in the presence of randomly distributed…

信息论 · 计算机科学 2021-04-20 Mehdi Letafati , Hamid Behroozi , Babak Hossein Khalaj , Eduard A. Jorswieck

The artificial noise (AN) scheme, proposed by Goel and Negi, is being considered as one of the key enabling technology for secure communications over multiple-input multiple-output (MIMO) wiretap channels. However, the decrease in secrecy…

信息论 · 计算机科学 2016-11-17 Shuiyin Liu , Yi Hong , Emanuele Viterbo

We focus on interference mitigation and energy conservation within a single wireless body area network (WBAN). We adopt two-hop communication scheme supported by the the IEEE 802.15.6 standard (2012). In this paper, we propose a dynamic…

网络与互联网体系结构 · 计算机科学 2016-11-03 Mohamad Jaafar Ali , Hassine Moungla , Ahmed Mehaoua , Yong Xu

For autonomous aerial vehicle (AAV) secure communications, traditional designs based on fixed position antenna (FPA) lack sufficient spatial degrees of freedom (DoF), which leaves the line-of-sight-dominated AAV links vulnerable to…

信号处理 · 电气工程与系统科学 2025-12-02 Yingjie Wu , Junshan Luo , Weiyu Chen , Shilian Wang , Fanggang Wang , Haiyang Ding

We design a new secure transmission scheme in the relay wiretap channel where a source communicates with a destination through a decode-and-forward relay in the presence of spatially random-distributed eavesdroppers. For the sake of…

信息论 · 计算机科学 2016-05-06 Chenxi Liu , Nan Yang , Robert Malaney , Jinhong Yuan

The time-modulated array is a simple array architecture in which each antenna is connected to an RF switch that serves as a modulator. The phase shift is achieved by digitally controlling the relative delay between the periodic modulating…

信号处理 · 电气工程与系统科学 2025-06-24 Marcin Wachowiak , André Bourdoux , Sofie Pollin

We introduce a new technique for secure wireless applications using a single dynamic antenna. The dynamic antenna supports a constantly changing current distribution that generates a radiation pattern that is static in a desired direction…

信号处理 · 电气工程与系统科学 2022-12-26 Amer Abu Arisheh , Jason M. Merlo , Jeffrey A. Nanzer

In this paper, we study using Destination Artificial Noise (DAN) besides Source Artificial Noise (SAN) to enhance physical layer secrecy with an outage probability based approach. It is assumed that all nodes in the network (i.e. source,…

信息论 · 计算机科学 2017-04-12 Ali Rahmanpour , Vahid T. Vakili , S. Mohammad Razavizadeh

In future practical deployments of massive multi-input multi-output (MIMO) systems, the number of radio frequency (RF) chains at the base stations (BSs) may be much smaller than the number of BS antennas to reduce the overall expenditure.…

信息论 · 计算机科学 2016-11-15 Jun Zhu , Wei Xu , Ning Wang

The frequency-diverse array (FDA) offers a time-varying beamforming capability without the use of phase shifters. The autoscanning property is achieved by applying a frequency offset between the antennas. This paper analyzes the performance…

信号处理 · 电气工程与系统科学 2025-02-13 Marcin Wachowiak , André Bourdoux , Sofie Pollin

We investigate the physical-layer security of indoor hybrid parallel power-line/wireless orthogonal-frequency division-multiplexing (OFDM) communication systems. We propose an artificial-noise (AN) aided scheme to enhance the system's…

信息论 · 计算机科学 2017-10-31 Ahmed El Shafie , Mohamed F. Marzban , Rakan Chabaan , Naofal Al-Dhahir

A frequency domain (FD) time-reversal (TR) precoder is proposed to perform physical layer security (PLS) in single-input single-output (SISO) systems using orthogonal frequency-division multiplexing (OFDM) and artificial noise (AN) signal…