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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…

Signal Processing · Electrical Eng. & Systems 2023-03-15 Ahmad Bazzi , Marwa Chafii

Integrating functions such as radar and communication into a single system is of great significance for the miniaturization and functional integration of future electronic warfare and 6G systems. Here, we show a dual-functional microwave…

Optics · Physics 2024-12-02 Taixia Shi , Fangzheng Zhang , Yang Chen

In this paper, we firstly overview the application scenarios and the research progress in the area of communication and radar spectrum sharing (CRSS). We then propose a novel transceiver architecture and frame structure for a…

Signal Processing · Electrical Eng. & Systems 2019-06-04 Fan Liu , Christos Masouros , Athina Petropulu , Hugh Griffiths , Lajos Hanzo

In this paper, we study the problem of physical layer security in large-scale multiple input multiple output (LS-MIMO) systems. The large number of antenna elements in LS-MIMO system is exploited to enhance transmission security and improve…

Information Theory · Computer Science 2014-07-29 Xiaoming Chen , Chau Yuen , Zhaoyang Zhang

Beamforming techniques are proposed for a joint multi-input-multi-output (MIMO) radar-communication (RadCom) system, where a single device acts both as a radar and a communication base station (BS) by simultaneously communicating with…

Information Theory · Computer Science 2024-10-30 Fan Liu , Christos Masouros , Ang Li , Huafei Sun , Lajos Hanzo

Self-driving cars constantly asses their environment in order to choose routes, comply with traffic regulations, and avoid hazards. To that aim, such vehicles are equipped with wireless communications transceivers as well as multiple…

Information Theory · Computer Science 2021-10-01 Dingyou Ma , Nir Shlezinger , Tianyao Huang , Yimin Liu , Yonina C. Eldar

Physical layer security has been considered as an important security approach in wireless communications to protect legitimate transmission from passive eavesdroppers. This paper investigates the physical layer security of a wireless…

Information Theory · Computer Science 2017-04-27 Wenfei Liu , Ming Li , Xiaowen Tian , Zihuan Wang , Qian Liu

Movable antennas (MAs) have shown significant potential in enhancing the performance of dual-functional radar-communication (DFRC) systems. In this paper, we investigate the MA-based transceiver design for DFRC systems, where a…

Signal Processing · Electrical Eng. & Systems 2025-02-14 Ran Yang , Zheng Dong , Peng Cheng , Yue Xiu , Yan Li , Ning Wei

Dual-functional radar-communication (DFRC) has attracted considerable attention. This paper considers the frequency-selective multipath fading environment and proposes DFRC waveform design schemes based on multiple-input and multiple-output…

Information Theory · Computer Science 2025-09-10 Tianchen Liu , Yifei Liu , Liang Wu , Bo An , Zaichen Zhang , Jian Dang , Jiangzhou Wang

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…

Signal Processing · Electrical Eng. & Systems 2023-01-27 Rang Liu , Ming Li , Yang Liu , Qingqing Wu , Qian Liu

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…

Information Theory · Computer Science 2022-07-01 Onur Dizdar , Aryan Kaushik , Bruno Clerckx , Christos Masouros

In this work, the feasibility of spectrum sharing between a multiple-input multiple-output (MIMO) radar system (RS) and a MIMO cellular system (CS), comprising of a full duplex (FD) base station (BS) serving multiple downlink and uplink…

Signal Processing · Electrical Eng. & Systems 2019-04-25 Sudip Biswas , Keshav Singh , Omid Taghizadeh , Tharmalingam Ratnarajah

Physical layer security (PLS) technologies are expected to play an important role in the next-generation wireless networks, by providing secure communication to protect critical and sensitive information from illegitimate devices. In this…

Information Theory · Computer Science 2023-09-12 Yun Wen , Gaojie Chen , Sisai Fang , Zheng Chu , Pei Xiao , Rahim Tafazolli

In this paper, we study physical layer security for the downlink of cellular networks, where the confidential messages transmitted to each mobile user can be eavesdropped by both (i) the other users in the same cell and (ii) the users in…

Information Theory · Computer Science 2016-11-15 Giovanni Geraci , Harpreet S. Dhillon , Jeffrey G. Andrews , Jinhong Yuan , Iain B. Collings

In this paper we address a sum secrecy rate maximization problem for a multi-carrier and MIMO communication system. We consider the case that the receiver is capable of full-duplex (FD) operation and simultaneously sends jamming signal to a…

Information Theory · Computer Science 2018-02-19 Tianyu Yang , Omid Taghizadeh , Rudolf Mathar

This paper analyzes the stochastic security performance of a multiple-input multiple-output (MIMO) integrated sensing and communication (ISAC) system in a downlink scenario. A base station (BS) transmits a multi-functional signal to…

Information Theory · Computer Science 2025-04-15 Marziyeh Soltani , Mahtab Mirmohseni , Rahim Tafazolli

This paper studies a downlink secure integrated sensing and communication (ISAC) system, in which a multi-antenna base station (BS) transmits confidential messages to a single-antenna communication user (CU) while performing sensing on…

Information Theory · Computer Science 2022-07-29 Zixiang Ren , Ling Qiu , Jie Xu , Derrick Wing Kwan Ng

This work focuses on the use of reconfigurable intelligent surface (RIS) in dual-function radar-communication (DFRC) systems to improve communication capacity and sensing precision, and enhance coverage for both functions. In contrast to…

Signal Processing · Electrical Eng. & Systems 2024-09-10 Bowen Wang , Hongyu Li , Shanpu Shen , Ziyang Cheng , Bruno Clerckx

Recently, huge attention is attracted to the concept of integrating communication and radar missions within the same platform. Joint radar-communications (JRC) system gives an important opportunity to reduce spectrum usage and product cost…

Signal Processing · Electrical Eng. & Systems 2020-02-04 Muharrem Arik , Ozgur B. Akan

In this paper, we investigate the robust resource allocation design for secure communication in an integrated sensing and communication (ISAC) system. A multi-antenna dual-functional radar-communication (DFRC) base station (BS) serves…

Information Theory · Computer Science 2022-10-25 Dongfang Xu , Xianghao Yu , Derrick Wing Kwan Ng , Anke Schmeink , Robert Schober