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相关论文: Two High-performance Schemes of Transmit Antenna S…

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This paper studies a secrecy integrated sensing and communication (ISAC) system, in which a multi-antenna base station (BS) aims to send confidential messages to a single-antenna communication user (CU), and at the same time sense several…

信息论 · 计算机科学 2021-10-26 Zixiang Ren , Ling Qiu , Jie Xu

In this paper, we present the ergodic sum secrecy rate (ESSR) analysis of an underlay spectrum sharing non-orthogonal multiple access (NOMA) system. We consider the scenario where the power transmitted by the secondary transmitter (ST) is…

信息论 · 计算机科学 2021-05-18 Vaibhav Kumar , Mark F. Flanagan , Daniel Benevides da Costa , Le-Nam Tran

Physical layer security (PLS) technologies are expected to play an important role in the next-generation wireless networks, by providing secure communication to protect critical and sensitive information from illegitimate devices. In this…

信息论 · 计算机科学 2023-09-12 Yun Wen , Gaojie Chen , Sisai Fang , Zheng Chu , Pei Xiao , Rahim Tafazolli

In this paper, multiple reconfigurable intelligent surfaces (RIS) aided secure precise wireless transmission (SPWT) schemes are proposed in the three-dimensional (3D) wireless communication scenario. Unavailable direct path channels from…

信号处理 · 电气工程与系统科学 2022-01-14 Tong Shen , Wenlong Cai , Yan Lin , Shuo Zhang , Jinyong Lin , Feng Shu , Jiangzhou Wang

In this paper, we investigate physical-layer security for a spectrum-sharing heterogeneous cellular network comprised of a macro cell and a small cell, where a passive eavesdropper is assumed to tap the transmissions of both the macro cell…

信息论 · 计算机科学 2018-10-22 Yulong Zou , Ming Sun , Jia Zhu , Haiyan Guo

This paper explores the secrecy performance of a multi-transmitter system with unreliable backhaul links. To improve secrecy, we propose a novel transmitter selection (TS) scheme that selects a transmitter with the maximum ratio of the…

信息论 · 计算机科学 2024-06-06 Burhan Wafai , Ankit Dubey , Chinmoy Kundu

Physical-layer network coding (PNC) is now well-known as a potential candidate for delay-sensitive and spectrally efficient communication applications, especially in two-way relay channels (TWRCs). In this paper, we present the error…

信息论 · 计算机科学 2017-09-14 Vaibhav Kumar , Barry Cardiff , Mark F. Flanagan

In this paper, we focus on securing the confidential information of massive multiple-input multiple-output (MIMO) non-orthogonal multiple access (NOMA) networks by exploiting artificial noise (AN). An uplink training scheme is first…

信息论 · 计算机科学 2019-03-15 Ming Zeng , Nam-Phong Nguyen , Octavia A. Dobre , H. Vincent Poor

This paper proposes two novel wireless transmission schemes, namely reconfigurable intelligent surface (RIS)-assisted received adaptive spatial modulation (RASM) scheme and RIS-assisted received adaptive space shift keying (RASSK) scheme,…

信息论 · 计算机科学 2026-03-03 Chaorong Zhang , Benjamin K. Ng , Ke Wang , Hui Xu , Chan-Tong Lam

In this paper, we study simultaneous wireless information and power transfer (SWIPT) in orthogonal frequency division multiple access (OFDMA) systems with the coexistence of information receivers (IRs) and energy receivers (ERs). The IRs…

信息论 · 计算机科学 2016-11-17 Meng Zhang , Yuan Liu , Rui Zhang

This paper investigates the secure transmission in a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted uplink non-orthogonal multiple access system, where the legitimate users send…

信息论 · 计算机科学 2021-11-05 Zheng Zhang , Jian Chen , Yuanwei Liu , Qingqing Wu , Bingtao He , Long Yang

To satisfy the various demands of growing devices and services, emerging high-frequency-based technologies promote near-field wireless communications. Therefore, near-field physical layer security has attracted much attention to facilitate…

信号处理 · 电气工程与系统科学 2024-06-11 Liping Liang , Minmin Wang , Wenchi Cheng , Wei Zhang

A novel movable-element (ME) enabled simultaneously transmitting and reflecting surface (ME-STARS)-aided secure communication system is investigated. Against the full-space eavesdropping, MEs are deployed at the STARS for enhancing the…

信号处理 · 电气工程与系统科学 2025-07-22 Jingjing Zhao , Qian Xu , Kaiquan Cai , Yanbo Zhu , Xidong Mu , Yuanwei Liu

Incorporating rate splitting multiple access (RSMA) into integrated sensing and communication (ISAC) presents a significant security challenge, particularly in scenarios where the location of a potential eavesdropper (Eve) is unidentified.…

信号处理 · 电气工程与系统科学 2024-07-23 A. Abdelaziz Salem , Saeed Abdallah , Mohamed Saad , Khawla Alnajjar , Mahmoud A. Albreem

This paper studies an extremely large-scale reconfigurable intelligent surface (XL-RIS)-aided near-field physical layer security (PLS) communication system, aiming to maximize the secrecy rate by jointly optimizing precoding vector at the…

信息论 · 计算机科学 2026-03-09 Xiaotong Xu , Qian Zhang , Yunxiao Li , Xuejun Cheng , Meihui Liu , Ju Liu

In this paper, we investigate physical layer security (PLS) for full-duplex (FD) multi-user systems. We consider a base station (BS) that operates in FD mode and transmits artificial noise (AN) to simultaneously protect uplink (UL) and…

信号处理 · 电气工程与系统科学 2025-01-03 Jingze Ding , Zijian Zhou , Bingli Jiao

In secure precise directional modulation (DM) networks, two practical random-subcarrier-selection (RSS) methods are proposed to transmit confidential message to the desired user per orthogonal frequency division multiplexing (OFDM) symbol…

信息论 · 计算机科学 2018-08-07 Tong Shen , Shuo Zhang , Riqing Chen , Jin Wang , Jinsong Hu , Feng Shu , Jiangzhou Wang

This paper studies an untrusted relay channel, in which the destination sends artificial noise simultaneously with the source sending a message to the relay, in order to protect the source's confidential message. The traditional…

信息论 · 计算机科学 2015-04-01 Shengli Zhang , Lisheng Fan , Mugen Peng , H. Vincent Poor

A novel semantic communication (SC)-assisted secrecy transmission framework is proposed. In particular, the legitimate transmitter (Tx) sends the superimposed semantic and bit stream to the legitimate receiver (Rx), where the information…

信息论 · 计算机科学 2024-02-23 Xidong Mu , Yuanwei Liu

Electromagnetic wave absorbing material (EWAM) plays an essential role in manufacturing stealth aircraft, which can achieve the electromagnetic stealth (ES) by reducing the strength of the signal reflected back to the radar system. However,…

信号处理 · 电气工程与系统科学 2024-03-20 Xue Xiong , Beixiong Zheng , A. Lee Swindlehurst , Jie Tang , Wen Wu