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Fluid antenna (FA) has become a highly promising technology and has recently been used to enhance the integrated sensing and communication (ISAC) system. However, the scenario where sensing targets act as eavesdroppers in ISAC and how to…

Information Theory · Computer Science 2026-02-27 Yunxiao Li , Qian Zhang , Xuejun Cheng , Zhiguo Wang , Xiaoyan Wang , Hongji Xu , Ju Liu

Unmanned aerial vehicles (UAVs) can be utilized as aerial base stations to provide communication service for remote mobile users due to their high mobility and flexible deployment. However, the line-of-sight (LoS) wireless links are…

Information Theory · Computer Science 2020-03-17 Xiongwei Wu , Qiang Li , Yawei Lu , H. Vincent Poor , Victor C. M. Leung , P. C. Ching

A novel Physical Layer Security (PLS) framework is conceived for enhancing the security of the wireless communication systems by exploiting multi-domain polarization in Multiple-Input Multiple-Output (MIMO) systems. We design a…

Information Theory · Computer Science 2023-11-01 Luping Xiang , Yao Zeng , Jie Hu , Kun Yang , Lajos Hanzo

In 6G networks, integrated sensing and communication (ISAC) is envisioned as a key technology that enables wireless systems to perform joint sensing and communication using shared hardware, antennas and spectrum. ISAC designs facilitate…

Information Theory · Computer Science 2025-06-19 Homa Nikbakht , Yonina C. Eldar , H. Vincent Poor

Regulatory limits on Maximum Permissible Exposure (MPE) require handheld devices to reduce transmit power when operated near the user's body. Current proximity sensors provide only binary detection, triggering conservative power back-off…

Signal Processing · Electrical Eng. & Systems 2026-02-20 Marouan Mizmizi , Zhibin Yu , Guanglong Du , Umberto Spagnolini

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

Wireless networks have become imperative in all areas of human life. As such, one of the most critical concerns in next-generation networks is ensuring the security and privacy of user data/communication. Cryptography has been…

Signal Processing · Electrical Eng. & Systems 2021-09-30 Muhammad Sohaib J. Solaija , Hanadi Salman , Huseyin Arslan

This paper investigates the physical layer security of a Reconfigurable Intelligent Surface (RIS)-aided wireless network in the presence of full-duplex active eavesdropping. In this scenario, the RIS cooperates with the Base Station (BS) to…

Information Theory · Computer Science 2024-11-28 Atefeh Zakeri , S. Mohammad Razavizadeh

The dense concentration of low-altitude, slow-speed, and small-size targets in the complex low-altitude environment poses significant security challenges, including failures in continuous wide-area sensing and ambiguous target intent, which…

Systems and Control · Electrical Eng. & Systems 2026-01-23 Ruixing Ren

Integrated sensing and communication (ISAC) represents a pivotal advancement for future wireless networks. This paper introduces a novel ISAC beamforming method for enhancing sensing performance while preserving communication quality by…

Information Theory · Computer Science 2025-03-07 Meihui Liu , Shu Sun , Ruifeng Gao , Meixia Tao

This paper studies the design of energy-efficient artificial noise (AN) schemes in the context of physical layer security in visible light communications (VLC). Two different transmission schemes termed $\textit{selective AN-aided…

Information Theory · Computer Science 2023-09-27 Thanh V. Pham , Anh T. Pham , Susumu Ishihara

Integrated sensing and communication (ISAC) has recently emerged as a candidate 6G technology, aiming to unify the two key operations of the future network in spectrum/energy/cost efficient way. ISAC involves communicating information to…

Signal Processing · Electrical Eng. & Systems 2021-07-19 Zhongxiang Wei , Fan Liu , Christos Masouros , Nanchi Su , Athina P. Petropulu

To support the development of low altitude economy, the air-ground integrated sensing and communication (ISAC) networks need to be constructed to provide reliable and robust communication and sensing services. In this paper, the sensing…

Information Theory · Computer Science 2025-10-07 Yihang Jiang , Xiaoyang Li , Guangxu Zhu , Xiaowen Cao , Kaifeng Han , Bingpeng Zhou , Xinyi Wang

Integrated sensing and communication (ISAC) is a promising technology to simultaneously provide high-performance wireless communication and radar sensing services in future networks. In this paper, we propose the concept of \emph{integrated…

Signal Processing · Electrical Eng. & Systems 2024-07-31 Chaoyue Zhang , Zhiwen Zhou , Huizhi Wang , Yong Zeng

As terrestrial resources become increasingly saturated, the research attention is shifting to the low-altitude airspace, with many emerging applications such as urban air taxis and aerial inspection. Low-Altitude Wireless Networks (LAWNs)…

Cryptography and Security · Computer Science 2025-11-04 Jiacheng Wang , Changyuan Zhao , Jialing He , Geng Sun , Weijie Yuan , Dusit Niyato , Liehuang Zhu , Tao Xiang

Different from conventional radar, the cellular network in the integrated sensing and communication (ISAC) system enables collaborative sensing by multiple sensing nodes, e.g., base stations (BSs). However, existing works normally assume…

Signal Processing · Electrical Eng. & Systems 2023-05-10 Yiming Xu , Dongfang Xu , Lei Xie , Shenghui Song

This paper presents a comprehensive physical layer security (PLS) framework for fluid antenna system (FAS)-aided short-packet communications under the variable block-correlation model (VBCM). We consider a downlink wiretap scenario in which…

Signal Processing · Electrical Eng. & Systems 2026-03-19 Jianchao Zheng , Tuo Wu , Kai-Kit Wong , Baiyang Liu , Runyu Pan , Maged Elkashlan , Kin-Fai Tong , Sumei Sun

Integrated sensing and communication (ISAC) is a key feature of future cellular systems, enabling applications such as intruder detection, monitoring, and tracking using the same infrastructure. However, its potential for structural health…

Information Theory · Computer Science 2025-07-04 Jie Yang , Chao-Kai Wen , Xiao Li , Shi Jin

In this paper, we establish an integrated sensing and communication (ISAC) system based on a distributed semi-passive intelligent reflecting surface (IRS), which allows location sensing and data transmission to be carried out…

Information Theory · Computer Science 2022-08-12 Xiaoling Hu , Chenxi Liu , Mugen Peng , Caijun Zhong

This paper studies a practical design of probabilistic constellation shaping (PCS) for physical layer security in visible light communications (VLC). In particular, we consider a wiretap VLC channel employing a probabilistically shaped…

Systems and Control · Electrical Eng. & Systems 2024-08-07 Thanh V. Pham , Susumu Ishihara