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Reconfigurable distributed antennas and reflecting surface (RDARS) has emerged as a promising architecture for communication and sensing performance enhancement. In particular, the new selection gain can be achieved by leveraging the…

Signal Processing · Electrical Eng. & Systems 2026-03-13 Chengwang Ji , Haiquan Lu , Qiaoyan Peng , Jintao Wang , Shaodan Ma

Emerging as a cornerstone for next-generation wireless networks, integrated sensing and communication (ISAC) systems demand innovative solutions to balance spectral efficiency and sensing accuracy. In this paper, we propose a coordinated…

Signal Processing · Electrical Eng. & Systems 2025-06-02 Chunjie Wang , Xuhui Zhang , Wenchao Liu , Jinke Ren , Huijun Xing , Shuqiang Wang , Yanyan Shen

Reconfigurable intelligent surface (RIS) has emerged as a pivotal technology for enhancing wireless networks. Compared to terrestrial RIS deployed on building facades, aerial RIS (ARIS) mounted on quadrotor unmanned aerial vehicle (UAV)…

Signal Processing · Electrical Eng. & Systems 2025-10-30 Bin Li , Dongdong Yang , Lei Liu , Dusit Niyato

As a physical layer security technology, directional modulation (DM) can be combined with intelligent reflect-ing surface (IRS) to improve the security of drone communications. In this paper, a directional modulation scheme assisted by the…

Signal Processing · Electrical Eng. & Systems 2024-10-08 Maolin Li , Wei Gao , Qi Wu , Feng Shu , Cunhua Pan , Di Wu

In this paper, we study the problem of joint active and passive beamforming for reconfigurable intelligent surface (RIS)-assisted massive multiple-input multiple-output systems towards the extension of the wireless cellular coverage in 3D,…

Signal Processing · Electrical Eng. & Systems 2023-12-18 Yu Tian , Ahmed Alhammadi , Jiguang He , Aymen Fakhreddine , Faouzi Bader

In this letter, we investigate an unmanned aerial vehicle (UAV) communication system, where an intelligent reflecting surface (IRS) is deployed to assist in the transmission from a ground node (GN) to the UAV in the presence of a jammer. We…

Signal Processing · Electrical Eng. & Systems 2022-01-17 Zhi Ji , Wendong Yang , Xinrong Guan , Xiao Zhao , Guoxin Li , Qingqing Wu

This paper explores an integrated sensing and communication (ISAC) network empowered by multiple active simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs). A base station (BS) furnishes downlink…

Signal Processing · Electrical Eng. & Systems 2025-07-25 Hyeonho Noh , Hyeonsu Lyu , Hyun Jong Yang

Movable antennas (MAs) are a promising technology to achieve a significant enhancement in rate for future wireless networks. The pioneering investigation on near-field directional modulation design for a reconfigurable intelligent surface…

Signal Processing · Electrical Eng. & Systems 2025-06-03 Maolin Li , Feng Shu , Riqing Chen , Cunhua Pan , Yongpeng Wu

Mounting a reconfigurable intelligent surface (RIS) on an unmanned aerial vehicle (UAV) holds promise for improving traditional terrestrial network performance. Unlike conventional methods deploying passive RIS on UAVs, this study delves…

Simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted non-orthogonal multiple access (NOMA) communication systems are investigated in its vicinity, where a STAR-RIS is deployed within a predefined…

Signal Processing · Electrical Eng. & Systems 2022-06-28 Qiling Gao , Yuanwei Liu , Xidong Mu , Min Jia , Dongbo Li , Lajos Hanzo

This letter investigates secure transmission in an intelligent reflecting surface (IRS) assisted non-orthogonal multiple access (NOMA) network. Consider a practical eavesdropping scenario with imperfect channel state information of the…

Information Theory · Computer Science 2020-09-02 Zheng Zhang , Lu Lv , Qingqing Wu , Hao Deng , Jian Chen

This paper investigates secure Directional Modulation (DM) design enhanced by a rotatable active Reconfigurable Intelligent Surface (RIS). In conventional RIS-assisted DM networks, the security performance gain is limited due to the…

Signal Processing · Electrical Eng. & Systems 2026-03-24 Yongqiang Li , Feng Shu , Shaofan Chen , Yuanyuan Wu , Maolin Li , Zhen Chen , Hao Jiang , Jiangzhou Wang

In this paper, we study an unmanned aerial vehicle (UAV) communication system, where a ground node (GN) communicate with a UAV assisted by intelligent reflecting surface (IRS) in the presence of a jammer with imperfect location information.…

Information Theory · Computer Science 2022-01-25 Zhi Ji , Xinrong Guan , Jia Tu , Qingqing Wu , Wendong Yang

The usage of Reconfigurable Intelligent Surfaces (RIS) in conjunction with Unmanned Ariel Vehicles (UAVs) is being investigated as a way to provide energy-efficient communication to ground users in dense urban areas. In this paper, we…

In this paper, we propose a dual-unmanned aerial vehicle (UAV)-enabled secure communication and sensing (SCS) scheme for an air-to-ground integrated sensing and communication (ISAC) system, in which a dual-functional source UAV and jamming…

Information Theory · Computer Science 2025-05-20 Libiao Lou , Yuan Liu , Fotis Foukalas , Hongjiang Lei , Gaofeng Pan , Theodoros A. Tsiftsis , Hongwu Liu

Modern communication systems need to fulfill multiple and often conflicting objectives at the same time. In particular, new applications require high reliability while operating at low transmit powers. Moreover, reliability constraints may…

Information Theory · Computer Science 2024-04-05 Irshad A. Meer , Karl-Ludwig Besser , Mustafa Ozger , H. Vincent Poor , Cicek Cavdar

Aerial reconfigurable intelligent surfaces (ARIS), deployed on unmanned aerial vehicles (UAVs), could enhance anti-jamming communication performance by dynamically configuring channel conditions and establishing reliable air-ground links.…

Information Theory · Computer Science 2025-09-15 Junshan Luo , Shilian Wang , Boxiang He

In this paper, we consider joint antenna allocation and transmit beamforming design in secure integrated sensing and communication (ISAC) systems. A dual-function base station (DFBS) aims to securely deliver messages to a single-antenna…

Networking and Internet Architecture · Computer Science 2024-10-03 Yunxiang Shi , Lixin Li , Wensheng Lin , Wei Liang , Zhu Han

Directional modulation (DM), as an efficient secure transmission way, offers security through its directive property and is suitable for line-of-propagation (LoP) channels such as millimeter wave (mmWave) massive multiple-input…

Information Theory · Computer Science 2018-03-28 Feng Shu , Yaolu Qin , Riqing Chen , Ling Xu , Tong Shen , Siming Wan , Shi Jin , Jiangzhou Wang , Xiaohu You

In this correspondence, we investigate an intelligent reflective surface (IRS) assisted downlink ultra-reliable and low-latency communication (URLLC) system, where an access point (AP) sends short packets to multiple devices with the help…

Information Theory · Computer Science 2023-04-18 Yangyi Zhang , Xinrong Guan , Qingqing Wu , Zhi Ji , Yueming Cai