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This paper studies an integrated sensing and communication (ISAC) system where a multi-antenna base station (BS) aims to communicate with a single-antenna user in the downlink and sense the unknown and random angle parameter of a target via…

Information Theory · Computer Science 2024-05-24 Chan Xu , Shuowen Zhang

Beamforming design has been widely investigated for integrated sensing and communication (ISAC) systems with full-duplex (FD) sensing and half-duplex (HD) communication. To achieve higher spectral efficiency, in this paper, we extend…

Information Theory · Computer Science 2023-02-21 Zhenyao He , Wei Xu , Hong Shen , Derrick Wing Kwan Ng , Yonina C. Eldar , Xiaohu You

Integrated sensing and communications (ISAC) has emerged as an intrinsic service of upcoming 6G wireless systems, enabling the reuse of communication signals for environmental sensing and supporting context-aware network functionalities.…

Signal Processing · Electrical Eng. & Systems 2026-04-13 Osmel Martínez Rosabal , Onel L. Alcaraz López

In this work, we consider end-to-end calibration of an integrated sensing and communication (ISAC) base station (BS) under gain-phase and antenna displacement impairments without collecting signals from predefined positions (labeled data).…

Signal Processing · Electrical Eng. & Systems 2026-04-02 José Miguel Mateos-Ramos , Baptiste Chatelier , Luc Le Magoarou , Nir Shlezinger , Henk Wymeersch , Christian Häger

This paper explores the potential of the intelligent reflecting surface (IRS) in realizing multi-user concurrent communication and localization, using the same time-frequency resources. Specifically, we propose an IRS-enabled multi-user…

Information Theory · Computer Science 2022-11-23 Zhouyuan Yu , Xiaoling Hu , Chenxi Liu , Mugen Peng , Caijun Zhong

Beyond diagonal intelligent reflecting surface (BD-IRS) is a new promising IRS architecture for which the reflection matrix is not limited to the diagonal structure as for conventional IRS. In this paper, we study a BD-IRS aided uplink…

Information Theory · Computer Science 2025-06-25 Shuo Zheng , Shuowen Zhang

Reconfigurable intelligent surfaces (RIS) have drawn considerable attention recently due to their controllable scattering elements that are able to direct electromagnetic waves into desirable directions. Although RISs share some…

Information Theory · Computer Science 2021-05-03 Mohanad Obeed , Anas Chaaban

In this paper, we consider a hybrid reconfigurable intelligent surface (RIS) comprising of active and passive elements to aid an integrated sensing and communication (ISAC) system serving multiple users and targets. Active elements in a…

Signal Processing · Electrical Eng. & Systems 2022-03-14 R. S. Prasobh Sankar , Sundeep Prabhakar Chepuri

Integrated sensing and communication (ISAC) has emerged as a pivotal technology for next-generation wireless networks, enabling simultaneous data transmission and environmental sensing. However, existing ISAC systems face fundamental…

Signal Processing · Electrical Eng. & Systems 2026-02-18 Amirhossein Taherpour , Abbas Taherpour , Tamer Khattab

The technology of Reconfigurable Intelligent Surfaces (RISs) has lately attracted considerable interest from both academia and industry as a low-cost solution for coverage extension and signal propagation control. In this paper, we study…

Information Theory · Computer Science 2022-08-03 Konstantinos D. Katsanos , Paolo Di Lorenzo , George C. Alexandropoulos

Integrated sensing and communication (ISAC) base stations can provide communication and wide range sensing information for vehicles via downlink (DL) transmission, thus enhancing vehicle driving safety. One major challenge for realizing…

Performance · Computer Science 2023-10-13 Wangjun Jiang , Zhiqing Wei , Fan Liu , Zhiyong Feng , Ping Zhang

Integrated Sensing and Communications (ISAC) surpasses the conventional frequency-division sensing and communications (FDSAC) in terms of spectrum, energy, and hardware efficiency, with potential for greater enhancement through integration…

Information Theory · Computer Science 2024-07-16 Boqun Zhao , Chongjun Ouyang , Xingqi Zhang , Yuanwei Liu

Integrated sensing and communication (ISAC) has emerged as a promising paradigm for next-generation (6G) wireless networks, unifying radar sensing and communication on a shared hardware platform. This paper proposes a dynamic array…

Signal Processing · Electrical Eng. & Systems 2025-03-19 Rang Liu , Ming Li , A. Lee Swindlehurst

Next-generation wireless networks are expected to develop a novel paradigm of integrated sensing and communications (ISAC) to enable both the high-accuracy sensing and high-speed communications. However, conventional mono-static ISAC…

Signal Processing · Electrical Eng. & Systems 2024-10-24 Dan Wang , Yuanming Tian , Chuan Huang , Hao Chen , Xiaodong Xu , Ping Zhang

This work investigates a robust resource allocation framework for a downlink multi-user communication system integrating movable antennas (MAs) and reconfigurable intelligent surfaces (RISs) under the rate-splitting multiple access (RSMA)…

Signal Processing · Electrical Eng. & Systems 2026-05-12 Muhammad Asif , Asim Ihsan , Zhongliang Wang , Manzoor Ahmed , Xingwang Li , Arumugam Nallanathan , Symeon Chatzinotas

Intelligent reflecting surface (IRS) can be densely deployed in wireless networks to significantly enhance the communication channels. In this letter, we consider the downlink transmission from a multi-antenna base station (BS) to a…

Information Theory · Computer Science 2022-02-16 Weidong Mei , Rui Zhang

This paper studies the active intelligent reflecting surface (IRS)-enabled integrated sensing and communications (ISAC), in which an active IRS is deployed to assist the base station (BS) in serving multiple communication users (CUs) and…

Information Theory · Computer Science 2025-08-04 Yuan Fang , Xianxin Song , Huazhou Hou , Ziguo Zhong , Xianghao Yu , Jie Xu , Yongming Huang

Integrated sensing and communication (ISAC) has attracted much attention as a promising approach to alleviate spectrum congestion. However, traditional ISAC systems rely on phased arrays to provide high spatial diversity, where enormous…

Signal Processing · Electrical Eng. & Systems 2023-03-27 Haobo Zhang , Hongliang Zhang , Boya Di , Lingyang Song

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

High-accuracy localization is a key enabler for integrated sensing and communication (ISAC), playing an essential role in various applications such as autonomous driving. Antenna arrays and reconfigurable intelligent surface (RIS) are…

Signal Processing · Electrical Eng. & Systems 2025-05-22 Mengting Li , Hui Chen , Sigurd Sandor Petersen , Huiping Huang , Alireza Pourafzal , Yu Ge , Ming Shen , Henk Wymeersch