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相关论文: OptM3Sec: Optimizing Multicast IRS-Aided Multiante…

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Reconfigurable intelligent surface (RIS) is a promising technology for 6G networks owing to its superior ability to enhance the capacity and coverage of wireless communications by smartly creating a favorable propagation environment. In…

信号处理 · 电气工程与系统科学 2023-01-27 Rang Liu , Ming Li , Yang Liu , Qingqing Wu , Qian Liu

Achieving efficient and cost-effective transmit beampattern control for integrated sensing and communication (ISAC) systems is a significant challenge. This paper addresses this by proposing a dual-function radar communication (DFRC)…

信号处理 · 电气工程与系统科学 2025-11-25 Emanuele Grossi , Marco Lops , Luca Venturino

Movable antenna (MA) has emerged as a promising technology to flexibly reconfigure wireless channels by adjusting antenna placement. In this paper, we study a dual-functional radar-communication (DFRC) system enhanced with movable antennas.…

信号处理 · 电气工程与系统科学 2025-10-14 Ran Yang , Zheng Dong , Peng Cheng , Lin Zhang , Wanting Lyu , Yue Xiu , Ning Wei , Chadi Assi

This paper aims to explore the feasibility of the spectrum sharing between the communication and radar system. We investigate the full-duplex (FD) joint radar and communication multi-antenna system in which a node labeled ComRad with a dual…

信息论 · 计算机科学 2022-10-25 Yinghong Guo , Cheng Li , Chaoxian Zhang , Yao Yao , Bin Xia

This letter introduces an intelligent Real-time Dual-functional Radar-Communication (iRDRC) system for autonomous vehicles (AVs). This system enables an AV to perform both radar and data communications functions to maximize bandwidth…

网络与互联网体系结构 · 计算机科学 2020-07-14 Nguyen Quang Hieu , Dinh Thai Hoang , Nguyen Cong Luong , Dusit Niyato

Intelligent reflecting surfaces (IRSs) enable multiple-input multiple-output (MIMO) transmitters to modify the communication channels between the transmitters and receivers. In the presence of eavesdropping terminals, this degree of freedom…

信息论 · 计算机科学 2022-02-03 Saba Asaad , Yifei Wu , Ali Bereyhi , Ralf R. Müller , Rafael F. Schaefer , H. Vincent Poor

An intelligent reflecting surface (IRS) can adaptively adjust the phase shifts of its reflecting units to strengthen the desired signal and/or suppress the undesired signal. In this letter, we investigate an IRS-aided secure wireless…

信息论 · 计算机科学 2019-05-28 Miao Cui , Guangchi Zhang , Rui Zhang

Unicast communication over a network of $M$-parallel relays in the presence of an eavesdropper is considered. The relay nodes, operating under individual power constraints, amplify and forward the signals received at their inputs. The…

信息论 · 计算机科学 2015-04-21 Siddhartha Sarma , Samar Agnihotri , Joy Kuri

This work presents a novel robust beamforming design dedicated for dual-functional radar and communication (DFRC) base stations (BSs) in the context of integrated sensing and communications (ISAC). The architecture is intended for…

信号处理 · 电气工程与系统科学 2023-03-15 Ahmad Bazzi , Marwa Chafii

Dual-Functional Radar-Communication systems enhance the benefits of communications and radar sensing by jointly implementing these on the same hardware platform and using the common RF resources. An important and latest concern to be…

信息论 · 计算机科学 2022-07-01 Onur Dizdar , Aryan Kaushik , Bruno Clerckx , Christos Masouros

We consider the problem of secure communication with multi-antenna transmission in fading channels. The transmitter simultaneously transmits an information bearing signal to the intended receiver and artificial noise to the eavesdroppers.…

信息论 · 计算机科学 2010-07-01 Xiangyun Zhou , Matthew R. McKay

In this paper, we investigate the physical layer security of a full-duplex base station (BS) aided system in the worst case, where an uplink transmitter (UT) and a downlink receiver (DR) are both equipped with a single antenna, while a…

信息论 · 计算机科学 2019-04-23 Zhengmin Kong , Shaoshi Yang , Die Wang , Lajos Hanzo

As radio-frequency (RF) antenna, component and processing capabilities increase, the ability to perform multiple RF system functions from a common aperture is being realized. Conducting both radar and communications from the same system is…

信号处理 · 电气工程与系统科学 2022-03-21 Jacob Pritzker , James Ward , Yonina C. Eldar

The inclusion of the sensing functionality in the coming generations of cellular networks necessitates a rethink of dense cell deployments. In this paper, we analyze and optimize dense cell topologies for dual-functional radar-communication…

信息论 · 计算机科学 2023-08-29 Abdelhamid Salem , Kaitao Meng , Christos Masouros , Fan Liu , David López-Pérez

We study the secrecy rate maximization problem in a millimeter wave (mmWave) network, consisting of a base station (BS), multiple intelligent reflecting surfaces (IRSs) (or reconfigurable intelligent surfaces (RISs)), multiple users, and a…

信息论 · 计算机科学 2025-10-02 Anahid Rafieifar , Hosein Ahmadinejad , S. Mohammad Razavizadeh , Jiguang He

In the paper, the physical-layer security for reconfigurable intelligent surface (RIS) aided integrated sensing and communication (ISAC) system is studied. There is an active eavesdropper (AE) as well as a passive eavesdropper (PE), and…

信息论 · 计算机科学 2026-05-11 Yueyi Dong , Tian Zhang

Programmable metasurfaces and adjustable antennas are promising technologies. The security of a rotatable array system is investigated in this paper. A dual-base-station (BS) architecture is adopted, in which the BSs collaboratively perform…

信号处理 · 电气工程与系统科学 2025-11-18 Maolin Li , Feng Shu , Minghao Chen , Cunhua Pan , Fuhui Zhou , Yongpeng Wu , Liang Yang

This paper investigates the physical layer security design of an untrusted relaying network where the source node coexists with a multi-antenna eavesdropper (Eve). While the communication relies on untrustworthy relay nodes to increase…

信号处理 · 电气工程与系统科学 2021-01-11 Hamed Bastami , Majid Moradikia , Hamid Behroozi , Rodrigo C. de Lamare , Ahmed Abdelhadi , Zhigou Ding

In heterogeneous dense networks where spectrum is shared, users privacy remains one of the major challenges. On a multi-antenna relay-assisted multi-carrier interference channel, each user shares the frequency and spatial resources with all…

信息论 · 计算机科学 2012-12-03 Zuleita Ho , Eduard Jorswieck , Sabrina Gerbracht

This letter investigates the physical layer security in a wireless cooperative network where communication is assisted by a full-duplex (FD) untrusted relay in the presence of multiple external eavesdroppers. A cluster-based colluding…

信息论 · 计算机科学 2018-03-08 Ahmed El Shafie , Asma Mabrouk , Kamel Tourki , Naofal Al-Dhahir , Mazen O. Hasna