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This paper studies an integrated sensing and communication (ISAC) system, where a multi-antenna base station transmits beamformed signals for joint downlink multi-user communication and radar sensing of an extended target (ET). By…

Information Theory · Computer Science 2024-06-05 Yiqiu Wang , Meixia Tao , Shu Sun

This paper investigates an integrated sensing and communication (ISAC) system where the sensing target is a three-dimensional (3D) extended target, for which multiple scatterers from the target surface can be resolved. We first introduce a…

Information Theory · Computer Science 2024-12-25 Yiqiu Wang , Meixia Tao , Shu Sun , Wei Cao

This paper studies transmit beamforming design in an integrated sensing and communication (ISAC) system, where a base station sends symbols to perform downlink multi-user communication and sense an extended target simultaneously. We first…

Information Theory · Computer Science 2023-12-19 Yiqiu Wang , Meixia Tao , Shu Sun

A near-field integrated sensing and communications (ISAC) framework is proposed, which introduces an additional distance dimension for both sensing and communications compared to the conventional far-field system. In particular, the…

Information Theory · Computer Science 2025-09-24 Zhaolin Wang , Xidong Mu , Yuanwei Liu

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

Integrated sensing and communication (ISAC) is a pivotal component of sixth-generation (6G) wireless networks, leveraging high-frequency bands and massive multiple-input multiple-output (M-MIMO) to deliver both high-capacity communication…

Information Theory · Computer Science 2025-08-07 Wenhao Hu , Zhenyao He , Wei Xu , Yongming Huang , Derrick Wing Kwan Ng , Naofal Al-Dhahir

Integrated sensing and communication (ISAC) have been widely recognized as a key enabler for future wireless networks, where the Cram\'er-Rao bound (CRB) plays a central role in quantifying sensing accuracy.In this paper, we present the…

Information Theory · Computer Science 2026-01-26 Qian Zhang , Yufei Zhao , Jiancheng An , Zheng Dong , Yong Liang Guan , Ju Liu , Chau Yuen

This paper develops a comprehensive target modeling, beamforming optimization, and parameter estimation framework for extended-target sensing in wideband MIMO-OFDM integrated sensing and communication systems. We propose a parametric…

Signal Processing · Electrical Eng. & Systems 2026-03-17 Rang Liu , Ming Li , A. Lee Swindlehurst

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

Integrated sensing and communication (ISAC) in the near-field regime offers the potential to jointly support high-rate downlink transmission and high-resolution multi-target detection by exploiting the spherical-wave nature of…

Signal Processing · Electrical Eng. & Systems 2025-06-10 Hang Ruan , Homa Nikbakht , Ruizhi Zhang , Honglei Chen , Yonina C. Eldar

In this paper, we study a multi-input multi-output (MIMO) beamforming design in an integrated sensing and communication (ISAC) system, in which an ISAC base station (BS) is used to communicate with multiple downlink users and simultaneously…

Information Theory · Computer Science 2024-07-08 Chao Hu , Yuan Fang , Ling Qiu

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 an extended target and communicate with a…

Information Theory · Computer Science 2022-08-19 Haocheng Hua , Xianxin Song , Yuan Fang , Tony Xiao Han , Jie Xu

Near-field integrated sensing and communication (ISAC) enables object-level sensing from distance-dependent array responses, yet most existing near-field methods still rely on point-target models and realistic extended targets remain…

Signal Processing · Electrical Eng. & Systems 2026-03-25 Zongyao Zhao , Zhaolin Wang , Lincong Han , Jing Jin , Yuanwei Liu , Kaibin Huang

This paper investigates an intelligent reflecting surface (IRS) enabled multiuser integrated sensing and communication (ISAC) system, which consists of one multi-antenna base station (BS), one IRS, multiple single-antenna communication…

Signal Processing · Electrical Eng. & Systems 2022-11-01 Xianxin Song , 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

This paper investigates a Stacked Intelligent Metasurfaces (SIM)-assisted Integrated Sensing and Communications (ISAC) system. An extended target model is considered, where the BS aims to estimate the complete target response matrix…

Information Theory · Computer Science 2024-05-03 Ziqing Wang , Hongzheng Liu , Jianan Zhang , Rujing Xiong , Kai Wan , Xuewen Qian , Marco Di Renzo , Robert Caiming Qiu

Integrated sensing and communications (ISAC) is an essential technology for the 6G communication system, which enables the conventional wireless communication network capable of sensing targets around. The shared use of pilots is a…

Information Theory · Computer Science 2022-08-19 Jiamo Jiang , Mingfeng Xu , Zhongyuan Zhao , Kaifeng Han , Yang Li , Ying Du , Zhiqin Wang

This paper explores the potential of near-field beamforming (NFBF) in integrated sensing and communication (ISAC) systems with extremely large-scale arrays (XL-arrays). The large-scale antenna arrays increase the possibility of having…

Signal Processing · Electrical Eng. & Systems 2023-08-15 Kaiqian Qu , Shuaishuai Guo , Nasir Saeed

Networked integrated sensing and communication (ISAC) has gained significant attention as a promising technology for enabling next-generation wireless systems. To further enhance networked ISAC, delegating the reception of sensing signals…

Signal Processing · Electrical Eng. & Systems 2025-10-14 Meidong Xia , Zhenyao He , Wei Xu , Yongming Huang , Derrick Wing Kwan Ng , Naofal Al-Dhahir

Integrated sensing and communications (ISAC) as one of the key technologies is capable of supporting high-speed communication and high-precision sensing for the upcoming 6G. This paper studies a waveform strategy by designing the orthogonal…

Signal Processing · Electrical Eng. & Systems 2024-11-13 Ming Lyu , Hao Chen , Dan Wang , Guangyin Feng , Chen Qiu , Xiaodong Xu
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