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In this paper, multiple metrics are presented in order to jointly evaluate the performance of the radar and communication functions in scenarios involving Dual Function Radar Communication (DFRC) systems using stochastic geometry. These…

信号处理 · 电气工程与系统科学 2022-08-30 François De Saint Moulin , Charles Wiame , Luc Vandendorpe , Claude Oestges

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…

信息论 · 计算机科学 2024-10-30 Fan Liu , Christos Masouros , Ang Li , Huafei Sun , Lajos Hanzo

Integrated sensing and communication (ISAC) capability is envisioned as one key feature for future cellular networks. Classical half-duplex (HD) radar sensing is conducted in a "first-emit-then-listen" manner. One challenge to realize HD…

信息论 · 计算机科学 2023-09-08 Yuan Guo , Yang Liu , Qingqing Wu , Xiaoyang Li , Qingjiang Shi

The ultimate goal of enabling sensing through the cellular network is to obtain coordinated sensing of an unprecedented scale, through distributed integrated sensing and communication (D-ISAC). This, however, introduces challenges related…

信号处理 · 电气工程与系统科学 2025-01-31 Kawon Han , Kaitao Meng , Christos Masouros

Joint communication and radar sensing (JCR) represents an emerging research field aiming to integrate the above two functionalities into a single system, sharing a majority of hardware and signal processing modules and, in a typical case,…

信号处理 · 电气工程与系统科学 2021-12-15 J. Andrew Zhang , Fan Liu , Christos Masouros , Robert W. Heath , Zhiyong Feng , Le Zheng , Athina Petropulu

In this letter, we investigate enhancing the physical layer security (PLS) for the dual-function radar-communication (DFRC) system with hybrid beamforming (HBF) architecture, where the base station (BS) achieves downlink communication and…

信号处理 · 电气工程与系统科学 2024-09-04 Lingyun Xu , Bowen Wang , Huiyong Li , Ziyang Cheng

Dual-Functional Radar-Communication (DFRC) system is an essential and promising technique for beyond 5G. In this work, we propose a powerful and unified multi-antenna DFRC transmission framework, where an additional radar sequence is…

信号处理 · 电气工程与系统科学 2021-12-15 Chengcheng Xu , Bruno Clerckx , Shiwa Chen , Yijie Mao , Jianyun Zhang

Joint radar-communications (JRC) benefits from multi-functionality of radar and communication operations using same hardware and radio frequency (RF) spectrum resources. Thus JRC systems possess very high potential to be employed into the…

信号处理 · 电气工程与系统科学 2022-11-17 Aryan Kaushik , Evangelos Vlachos , Muhammad Z. Shakir , Wonjae Shin , Rongke Liu

This short tutorial presents several ideas for designing dual function radar communication (DFRC) systems aided by intelligent reflecting surfaces (IRS). These problems are highly nonlinear in the IRS parameter matrix, and further, the IRS…

信号处理 · 电气工程与系统科学 2023-05-12 Yi-Kai Li , Athina Petropulu

This letter investigates the robust beamforming design for a near-field secure integrated sensing and communication (ISAC) system with multiple communication users (CUs) and targets, as well as multiple eavesdroppers. Taking into account…

信息论 · 计算机科学 2025-07-18 Ziqiang CHen , Feng Wang , Guojun Han , Xin Wang , Vincent K. N. Lau

In this paper, we investigate the hybrid beamforming design for a multiple-input multiple-output (MIMO) integrated sensing and communication (ISAC) system, where a multi-antenna base station (BS) with hybrid analog-digital transmit antenna…

信息论 · 计算机科学 2024-09-09 Yizhuo Wang , Shuowen Zhang

In this paper, we consider the design of a multiple-input multiple-output (MIMO) transmitter which simultaneously functions as a MIMO radar and a base station for downlink multiuser communications. In addition to a power constraint, we…

信号处理 · 电气工程与系统科学 2021-09-07 Xiang Liu , Tianyao Huang , Yimin Liu

This paper studies a multi-antenna network integrated sensing and communication (ISAC) system, in which a set of multi-antenna base stations (BSs) employ the coordinated transmit beamforming to serve their respectively associated…

信息论 · 计算机科学 2022-11-03 Gaoyuan Cheng , Jie Xu

The focus of this study is on the spectrum sharing between multiple-input multiple-output (MIMO) communications and co-located MIMO radar systems in multi-path environments. The major challenge is to suppress the mutual interference between…

信息论 · 计算机科学 2023-04-11 Haoyu Zhang , Li Chen , Kaifeng Han , Yunfei Chen , Guo Wei

In this paper, we focus on the design of the transmit waveforms of a frequency diverse array (FDA) in order to improve the output signal-to-interference-plus-noise ratio (SINR) in the presence of signal-dependent mainlobe interference.…

信号处理 · 电气工程与系统科学 2022-12-21 Wenkai Jia , Andreas Jakobsson , Wen-Qin Wang

We consider a hybrid active-passive radar system that employs a wireless source as a passive illuminator of opportunity (IO) and a co-channel active radar transmitter operating in the same frequency band to seek spectral efficiency. The…

信号处理 · 电气工程与系统科学 2020-02-19 Fangzhou Wang , Hongbin Li

Traditional self-interference cancellation (SIC) methods are common in full-duplex (FD) integrated sensing and communication (ISAC) systems. However, exploring new SIC schemes is important due to the limitations of traditional approaches.…

信号处理 · 电气工程与系统科学 2024-10-25 Yu Liu , Gaojie Chen , Yun Wen , Qu Luo , Chiya Zhang , Dusit Niyato

The utilization of RF signals to probe material properties of objects is of huge interest both in academia as well as industry. To this end, a setup is investigated, in which a transmitter equipped with a two-dimensional multi-antenna array…

信息论 · 计算机科学 2022-05-18 Ali Kariminezhad , Soheil Gherekhloo , Aydin Sezgin

Beamforming with a sufficient number of antennas is one of the most significant technologies for both Multi-user (MU) Multiple-input Multiple-output (MIMO) communication and MIMO radar sensing in Integrated Sensing and Communication (ISAC)…

信号处理 · 电气工程与系统科学 2025-10-17 Jiangong Chen , Xia Lei , Yuchen Zhang , Kaitao Meng , Christos Masouros

This paper focuses on the joint synthesis of constant envelope transmit signal and receive filter aimed at optimizing radar performance in signal-dependent interference and spectrally contested-congested environments. To ensure the desired…

信号处理 · 电气工程与系统科学 2022-04-06 Jing Yang , Augusto Aubry , Antonio De Maio , Xianxiang Yu , Guolong Cui