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A novel Integrated Sensing-Communication (ISAC) system is proposed that can accommodate high mobility scenarios while making efficient use of bandwidth for both communication and sensing. The system comprises a monostatic multiple-input…

Signal Processing · Electrical Eng. & Systems 2026-03-31 Kailong Wang , Athina Petropulu

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

As one of the six usage scenarios of the sixth generation (6G) mobile communication system, integrated sensing and communication (ISAC) has garnered considerable attention, and numerous studies have been conducted on radio-frequency…

Information Theory · Computer Science 2023-12-22 Yunfeng Wen , Fang Yang , Jian Song , Zhu Han

This paper investigates physical layer security (PLS) in the intelligent reflecting surface (IRS)-assisted multiple-user uplink channel. Since the instantaneous eavesdropper's channel state information (CSI) is unavailable, the secrecy rate…

Information Theory · Computer Science 2022-05-24 Xiangrui Cheng , Yiliang Liu , Zhou Su , Wei Wang

The following paper presents a novel orthogonal pilot design dedicated for \textcolor{black}{integrated sensing and communications (ISAC)} systems performing multi-user communications and target detection. After careful characterization of…

Signal Processing · Electrical Eng. & Systems 2025-02-26 Ahmad Bazzi , Marwa Chafii

In this paper, we investigate the physical layer security in downlink of Power Domain Non Orthogonal Multiple Access based heterogeneous cellular network in presence of multiple eavesdroppers. Our aim is to maximize the sum secrecy rate of…

Cryptography and Security · Computer Science 2018-06-07 Moslem Forouzesh , Paeiz Azmi , Nader Mokari , Kai Kit Wong

Integrated sensing and communications (ISAC) is envisioned as a key technology for future wireless communications. In this paper, we consider a downlink monostatic ISAC system wherein the base station serves multiple communications users…

Information Theory · Computer Science 2024-07-30 Tianyu Fang , Nhan Thanh Nguyen , Markku Juntti

This paper studies a near-field integrated sensing and communication (ISAC) system with extremely large-scale antenna array (ELAA), in which a base station (BS) deployed with enormous number of antennas transmits wireless signals to…

Signal Processing · Electrical Eng. & Systems 2024-07-25 Haocheng Hua , Jie Xu , Rui Zhang

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

The forthcoming 6G and beyond wireless networks are anticipated to introduce new groundbreaking applications, such as Integrated Sensing and Communications (ISAC), potentially leveraging much wider bandwidths at higher frequencies and using…

Signal Processing · Electrical Eng. & Systems 2024-08-20 Nithin Babu , Alva Kosasih , Christos Masouros , Emil Björnson

This paper considers secure communication in a multiuser multiple-input single-output (MISO) downlink system with simultaneous wireless information and power transfer. We study the design of resource allocation algorithms minimizing the…

Information Theory · Computer Science 2013-06-05 Derrick Wing Kwan Ng , Robert Schober

Integrating visible light communication (VLC) and radio-frequency (RF) networks can improve the performance of communication systems in terms of coverage and data rates. However, adding RF links to VLC networks weakens the secrecy…

Information Theory · Computer Science 2020-08-26 Mohanad Obeed , Anas Chaaban , Anas M. Salhab , Salam A. Zummo , Mohamed-Slim Alouini

This paper proposes a novel low probability of intercept (LPI) waveform design approach for orthogonal frequency-division multiplexing (OFDM)-based integrated sensing and communication systems by introducing artificial phase and Doppler…

Signal Processing · Electrical Eng. & Systems 2026-03-02 Umut Utku Erdem , Lucas Giroto , Tobias Chaloun , Tom Schipper , Taewon Jeong , Christian Karle , Benjamin Nuss , Thomas Zwick

Integrated sensing and communication (ISAC) is a cornerstone technology for 6G networks, offering unified support for high-rate communication and high-accuracy sensing. While existing literature extensively covers link-level designs, the…

Information Theory · Computer Science 2026-01-16 Edward Andrews , Lawrence Ong , Duy T. Ngo , Yao Liu , Min Li

Movable antenna (MA) technology offers promising potential to enhance wireless communication by allowing flexible antenna movement. To maximize spatial degrees of freedom (DoFs), larger movable regions are required, which may render the…

Information Theory · Computer Science 2024-10-01 Lipeng Zhu , Wenyan Ma , Zhenyu Xiao , Rui Zhang

Millimeter-wave (mmWave) using conventional phased array (CPA) enables highly directional and fixed angular beamforming (FAB), therefore enhancing physical layer security (PLS) in the angular domain. However, as the eavesdropper is located…

Information Theory · Computer Science 2019-03-26 Yuanquan Hong , Xiaojun Jing , Hui Gao , Yuan He

In Vehicle-to-Everything (V2X) systems, reliable and secure information exchange plays a pivotal role in road safety and traffic management. Due to the open nature of the wireless medium and the constant or intermittent mobility of…

Information Theory · Computer Science 2023-12-05 Kan Yu , Zhiyong Feng , Dong Li , Jiguo Yu

This paper considers unmanned aerial vehicle (UAV)-carried intelligent reflecting surface (IRS) for secure data collection in wireless sensor networks. An eavesdropper (Eve) lurks within the vicinity of the main receiver (Bob) while several…

Information Theory · Computer Science 2021-01-19 Christantus O. Nnamani , Muhammad R. A. Khandaker , Mathini Sellathurai

This paper studies secrecy rate optimization in a wireless network with a single-antenna source, a multi-antenna destination and a multi-antenna eavesdropper. This is an unfavorable scenario for secrecy performance as the system is…

Information Theory · Computer Science 2016-08-24 Gan Zheng , Ioannis Krikidis , Jiangyuan Li , Athina P. Petropulu , Bjorn Ottersten

Integrated Sensing and Communications (ISAC) has emerged as a key enabler for sixth generation (6G) wireless systems by jointly supporting data transmission and environmental awareness within a unified framework. However, communication and…

Signal Processing · Electrical Eng. & Systems 2026-03-17 Ahmet Yazar , Yusuf Islam Demir , Ahmed Naeem , Seyit Karatepe