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This paper investigates an average secrecy rate (ASR) maximization problem for an unmanned aerial vehicle (UAV) enabled wireless communication system, wherein a UAV is employed to deliver confidential information to a ground destination in…

Information Theory · Computer Science 2021-02-23 Milad Tatar Mamaghani , Yi Hong

Movable antennas (MAs) are a promising paradigm to enhance the spatial degrees of freedom of conventional multi-antenna systems by flexibly adapting the positions of the antenna elements within a given transmit area. In this paper, we model…

Information Theory · Computer Science 2023-08-07 Yifei Wu , Dongfang Xu , Derrick Wing Kwan Ng , Wolfgang Gerstacker , Robert Schober

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

Signal Processing · Electrical Eng. & Systems 2026-02-02 Ran Yang , Ning Wei , Zheng Dong , Lin Zhang , Wanting Lyu , Yue Xiu , Ahmad Bazzi , Chadi Assi

We introduce a comprehensive approach to enhance the security, privacy, and sensing capabilities of integrated sensing and communications (ISAC) systems by leveraging random frequency agility (RFA) and random pulse repetition interval (PRI)…

Movable antenna (MA) has been recently proposed as a promising candidate technology for the next generation wireless communication systems due to its significant capability of reconfiguring wireless channels via antenna movement. In this…

Signal Processing · Electrical Eng. & Systems 2025-01-17 Nianzu Li , Peiran Wu , Boyu Ning , Lipeng Zhu

We pay our attention towards secure and robust communication in the presence of a Reconfigurable Intelligent Surface (RIS)-enhanced mobile eavesdropping attacker in Multiple-Input Multiple-Output (MIMO)wireless networks.Specifically,we…

Information Theory · Computer Science 2025-11-03 Gaoyuan Zhang , Ruisong Si , Boyuan Li , Zijian Li , Baofeng Ji , Chenqi Zhu , Tony Q. S. Quek

This paper investigates the movable antenna (MA)- assisted downlink non-orthogonal multiple access (NOMA) network to maximize system throughput. In the considered scenario, both the base station (BS) and users are equipped with MA, and a…

Signal Processing · Electrical Eng. & Systems 2025-07-28 Yufeng Zhou , Wen Chen , Qingqing Wu , Xusheng Zhu , Zhendong Li , Kunlun Wang , Qiong Wu

This paper investigates secure communications in a near-field multi-functional integrated sensing, communication, and powering (ISCAP) system with an extremely large-scale antenna arrays (ELAA) equipped at the base station (BS). In this…

Signal Processing · Electrical Eng. & Systems 2024-05-24 Zixiang Ren , Siyao Zhang , Xinmin Li , Ling Qiu , Jie Xu , Derrick Wing Kwan Ng

In this paper, we investigate a novel integrated sensing and communication (ISAC) system aided by movable antennas (MAs). A bistatic radar system, in which the base station (BS) is configured with MAs, is integrated into a multi-user…

Signal Processing · Electrical Eng. & Systems 2024-12-31 Wanting Lyu , Songjie Yang , Yue Xiu , Zhongpei Zhang , Chadi Assi , Chau Yuen

We present an optimized secure multi-antenna transmission approach based on artificial-noise-aided beamforming, with limited feedback from a desired single-antenna receiver. To deal with beamformer quantization errors as well as unknown…

Information Theory · Computer Science 2015-01-22 Xi Zhang , Matthew R. McKay , Xiangyun Zhou , Robert W. Heath

This paper investigates a fluid antenna (FA) enhanced integrated sensing and communication (ISAC) system consisting of a base station (BS), multiple single-antenna communication users, and one point target, where the BS is equipped with FAs…

Signal Processing · Electrical Eng. & Systems 2024-07-09 Tian Hao , Changxin Shi , Yinghong Guo , Bin Xia , Feng Yang

Reconfigurable intelligent surface (RIS) assisted radio is considered as an enabling technology with great potential for the sixth-generation (6G) wireless communications standard. The achievable secrecy rate (ASR) is one of the most…

Information Theory · Computer Science 2021-06-01 Vaibhav Kumar , Mark F. Flanagan , Derrick Wing Kwan Ng , Le-Nam Tran

Movable antenna (MA) has shown significant potential for improving the performance of integrated sensing and communication (ISAC) systems. In this paper, we model an MA-aided ISAC system operating in a communication full-duplex mono-static…

Information Theory · Computer Science 2025-05-22 Size Peng , Yin Xu , Guanli Yi , Cixiao Zhang , Dazhi He , Wenjun Zhang

This paper proposes a novel multi-antenna architecture, termed ray antenna array (RAA), which practically enables flexible beamforming and also enhances wireless communication performance for high frequency systems in a cost-effective…

Hardware Architecture · Computer Science 2025-05-30 Zhenjun Dong , Zhiwen Zhou , Yong Zeng

This paper explores secure communication in an underwater energy-harvesting (EH) relay network that supports hybrid optical-acoustic transmission. The optical hop is modeled using a Gamma-Gamma turbulence channel with pointing errors and…

Signal Processing · Electrical Eng. & Systems 2026-03-09 Shalini Tripathi , Ankur Bansal , Chinmoy Kundu

A novel multiuser communication system with movable antennas (MAs) is proposed, where the antenna position optimization is exploited to enhance the downlink sum-rate. The joint optimization of the transmit beamforming vector and transmit MA…

Signal Processing · Electrical Eng. & Systems 2023-09-26 Zhenqiao Cheng , Nanxi Li , Jianchi Zhu , Chongjun Ouyang

We consider the movable-antenna (MA) arrayenabled wireless communication with coordinate multi-point (CoMP) reception, where multiple destinations adopt the maximal ratio combination technique to jointly decode the common message sent from…

Information Theory · Computer Science 2024-01-26 Guojie Hu , Qingqing Wu , Jian Ouyang , Kui Xu , Yunlong Cai , Naofal Al-Dhahir

This paper considers secure energy-efficient routing in the presence of multiple passive eavesdroppers. Previous work in this area has considered secure routing assuming probabilistic or exact knowledge of the location and…

Networking and Internet Architecture · Computer Science 2017-03-16 Azadeh Sheikholeslami , Majid Ghaderi , Hossein Pishro-Nik , Dennis Goeckel

In this letter, a pinching antenna (PA)-aided scheme for establishing a secure integrated sensing and communication system (ISAC) is investigated. The underlying system comprises a dual-functional radar communication (DFRC) base station…

Information Theory · Computer Science 2025-07-18 Elmehdi Illi , Marwa Qaraqe , Ali Ghrayeb

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.…

Signal Processing · Electrical Eng. & Systems 2024-07-23 A. Abdelaziz Salem , Saeed Abdallah , Mohamed Saad , Khawla Alnajjar , Mahmoud A. Albreem
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