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This paper studies a multi-intelligent-reflecting-surface-(IRS)-enabled integrated sensing and communications (ISAC) system, in which multiple IRSs are installed to help the base station (BS) provide ISAC services at separate line-of-sight…

Information Theory · Computer Science 2023-12-19 Yuan Fang , Siyao Zhang , Xinmin Li , Xianghao Yu , Jie Xu , Shuguang Cui

Integrated Sensing and Communications (ISAC) is regarded as a key element of the beyond-fifth-generation (5G) and sixth-generation (6G) systems, raising the question of whether current 5G New Radio (NR) signal structures can meet the…

Signal Processing · Electrical Eng. & Systems 2026-05-28 Santiago Fernández , Javier Giménez , Mari Carmen Aguayo-Torres , José A. Cortés

Integrated sensing and communication (ISAC) unifies radar sensing and communication, and improves the efficiency of the spectrum, energy and hardware. In this paper, we investigate the ISAC beamforming design in a downlink system with a…

Signal Processing · Electrical Eng. & Systems 2022-11-09 Jin Li , Nan Liu

This work investigates the physical layer security of rate-splitting multiple access (RSMA)-aided integrated communication and sensing (ISAC) systems. The ISAC base station (BS) transmits signals to communicate with users in an eavesdropped…

Information Theory · Computer Science 2025-06-05 Qian Dan , Hongjiang Lei , Ki-Hong Park , Gaofeng Pan

A continuous-aperture array (CAPA)-based integrated sensing and communications (ISAC) framework is proposed for both downlink and uplink scenarios. Within this framework, continuous operator-based signal models are employed to describe the…

Information Theory · Computer Science 2026-01-22 Boqun Zhao , Chongjun Ouyang , Xingqi Zhang , Hyundong Shin , Yuanwei Liu

In intelligent reflecting surface (IRS) aided wireless communication systems, channel state information (CSI) is crucial to achieve its promising passive beamforming gains. However, CSI errors are inevitable in practice and generally…

Information Theory · Computer Science 2022-10-17 Ming-Min Zhao , An Liu , Rui Zhang

This paper studies a multiple-input multiple-output (MIMO) integrated sensing and communication (ISAC) system, in which a multi-antenna base station (BS) sends unified wireless signals to estimate one sensing target and communicate with a…

Information Theory · Computer Science 2022-09-27 Haocheng Hua , Tony Xiao Han , Jie Xu

This correspondence paper studies a network integrated sensing and communication (ISAC) system that unifies the interference channel for communication and distributed radar sensing. In this system, a set of distributed ISAC transmitters…

Information Theory · Computer Science 2022-03-24 Yi Huang , Yuan Fang , Xinmin Li , Jie Xu

In this paper, reconfigurable intelligent surface (RIS) is employed in a millimeter wave (mmWave) integrated sensing and communications (ISAC) system. To alleviate the multi-hop attenuation, the semi-self sensing RIS approach is adopted,…

Signal Processing · Electrical Eng. & Systems 2024-01-03 Wanting Lyu , Songjie Yang , Yue Xiu , Ya Li , Hongjun He , Chau Yuen , Zhongpei Zhang

Bistatic integrated sensing and communication (ISAC) enables efficient reuse of the existing cellular infrastructure and is likely to play an important role in future sensing networks. In this context, ISAC using the data channel is a…

Signal Processing · Electrical Eng. & Systems 2026-01-19 Marcus Henninger , Lucas Giroto , Ahmed Elkelesh , Silvio Mandelli

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…

Information Theory · Computer Science 2024-09-09 Yizhuo Wang , Shuowen Zhang

Bi-static sensing is an attractive configuration for integrated sensing and communications (ISAC) systems; however, clock asynchronism between widely separated transmitters and receivers introduces time-varying time offsets (TO) and phase…

Signal Processing · Electrical Eng. & Systems 2025-05-16 Jingbo Zhao , Zhaoming Lu , J. Andrew Zhang , Jiaxi Zhou , Weicai Li , Tao Gu

While Cram\'er-Rao lower bound is an important metric in sensing functions in integrated sensing and communications (ISAC) designs, its optimization usually involves a computationally expensive solution such as semidefinite relaxation. In…

Information Theory · Computer Science 2025-02-06 Tianyu Fang , Nhan Thanh Nguyen , Markku Juntti

Integrated Sensing and Communication (ISAC) is one of the key pillars envisioned for 6G wireless systems. ISAC systems combine communication and sensing functionalities over a single waveform, with full resource sharing. In particular,…

Signal Processing · Electrical Eng. & Systems 2023-12-20 Silvia Mura , Dario Tagliaferri , Marouan Mizmizi , Umberto Spagnolini , Athina Petropulu

Extremely large-scale antenna arrays enhance spectral efficiency and spatial resolution in integrated sensing and communication (ISAC) networks while expanding the Rayleigh distance, triggering a shift from conventional far-field plane…

Information Theory · Computer Science 2025-02-18 Jiasi Zhou , Cong Zhou , Yanjing Sun , Chintha Tellambura

Integrated sensing and communication (ISAC) systems provide significant enhancements in performance and resource efficiency compared to individual sensing and communication systems, primarily attributed to the collaborative use of wireless…

Information Theory · Computer Science 2025-07-16 Jiayu Liu , Kai Wan , Xinping Yi , Robert Caiming Qiu , Giuseppe Caire

This paper aims to analyze the stochastic performance of a multiple input multiple output (MIMO) integrated sensing and communication (ISAC) system in a downlink scenario, where a base station (BS) transmits a dual-functional…

Information Theory · Computer Science 2024-10-22 Marziyeh Soltani , Mahtab Mirmohseni , Rahim Tafazolli

Integrated Sensing And Communication (ISAC) is recognized as a key enabler for future 6th Generation (6G) networks, combining communication capabilities with pervasive sensing. In such systems, the estimation of the Doppler shift plays a…

Signal Processing · Electrical Eng. & Systems 2026-05-19 Zaman Bhalli , Michele Rossi , Joerg Widmer , Marco Canil

This paper presents a novel parametric scattering model (PSM) for sensing extended targets in integrated sensing and communication (ISAC) systems. The PSM addresses the limitations of traditional models by efficiently capturing the target's…

Signal Processing · Electrical Eng. & Systems 2024-11-04 Rang Liu , A. Lee Swindlehurst , Ming Li

The integration of sensing and communication (ISAC) functionalities have recently gained significant research interest as a hardware-, power-, spectrum- and cost- efficient solution. This experimental work focuses on a dual-functional radar…

Signal Processing · Electrical Eng. & Systems 2022-02-10 Tongyang Xu , Fan Liu , Christos Masouros , Izzat Darwazeh