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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

In this paper, a general cognitive radio system consisting of a set of users with different level of spectrum access including two primary transceivers and several types of secondary users is considered. It is assumed that two secondary…

Information Theory · Computer Science 2018-09-10 Mohammad Zaeri-Amirani , Fatemeh Afghah , Jonathan Ashdown

This paper delves into an integrated sensing and communication (ISAC) system bolstered by a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS). Within this system, a base station (BS) is equipped with…

Information Theory · Computer Science 2024-11-15 Yuan Liu , Ruichen Zhang , Ruihong Jiang , Yongdong Zhu , Huimin Hu , Qiang Ni , Zesong Fei , Dusit Niyato

Integrated sensing and communication (ISAC) has been envisioned as a promising technology to tackle the spectrum congestion problem for future networks. In this correspondence, we investigate to deploy a reconfigurable intelligent surface…

Signal Processing · Electrical Eng. & Systems 2022-08-04 Honghao Luo , Rang Liu , Ming Li , Yang Liu , Qian Liu

Integrated Sensing and Communications (ISAC) has emerged as a key enabler for sixth generation (6G) wireless systems by jointly supporting data transmission and environmental awareness within a unified framework. However, communication and…

Signal Processing · Electrical Eng. & Systems 2026-03-17 Ahmet Yazar , Yusuf Islam Demir , Ahmed Naeem , Seyit Karatepe

Reconfigurable intelligent surface (RIS) has shown its great potential in facilitating device-based integrated sensing and communication (ISAC), where sensing and communication tasks are mostly conducted on different time-frequency…

Information Theory · Computer Science 2023-06-09 Xiaowei Qian , Xiaoling Hu , Chenxi Liu , Mugen Peng , Caijun Zhong

Low peak-to-average power ratio (PAPR) transmission is an important and favorable requirement prevalent in radar and communication systems, especially in transmission links integrated with high power amplifiers. Meanwhile, motivated by the…

Signal Processing · Electrical Eng. & Systems 2025-04-11 Jinlong Wu , Lixin Li , Wensheng Lin , Wei Liang , Decan Zhao , Zhu Han

This paper investigates a movable antenna (MA) enabled integrated sensing and communication (ISAC) system under the influence of antenna crosstalk. First, it generalizes the antenna crosstalk model from the conventional fixed-position…

Signal Processing · Electrical Eng. & Systems 2025-09-04 Zeyuan Zhang , Yue Xiu , Zheng Dong , Jiacheng Yin , Maurice J. Khabbaz , Chadi Assi , Ning Wei

Massive MIMO systems can achieve high spectrum and energy efficiency in downlink (DL) based on accurate estimate of channel state information (CSI). Existing works have developed learning-based DL CSI estimation that lowers uplink feedback…

Information Theory · Computer Science 2022-05-31 Yu-Chien Lin , Ta-Sung Lee , Zhi Ding

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

Reconfigurable intelligent surfaces (RISs) are envisioned as a potentially transformative technology for future wireless communications. However, RISs' inability to process signals and the attendant increased channel dimension have brought…

Signal Processing · Electrical Eng. & Systems 2023-02-14 Jieao Zhu , Kunzan Liu , Zhongzhichao Wan , Linglong Dai , Tie Jun Cui , H. Vincent Poor

This paper studies an intelligent reflecting surface (IRS)-assisted integrated sensing and communication (ISAC) system, in which one IRS is deployed to not only assist the wireless communication from a multi-antenna base station (BS) to a…

Signal Processing · Electrical Eng. & Systems 2022-02-15 Xianxin Song , Ding Zhao , Haocheng Hua , Tony Xiao Han , Xun Yang , Jie Xu

This paper introduces a novel Multi-Agent Reinforcement Learning (MARL) framework to enhance integrated sensing and communication (ISAC) networks using unmanned aerial vehicle (UAV) swarms as sensing radars. By framing the positioning and…

Signal Processing · Electrical Eng. & Systems 2025-01-14 Obed Morrison Atsu , Salmane Naoumi , Roberto Bomfin , Marwa Chafii

To achieve higher throughput in next-generation Wi-Fi systems, a station (STA) needs to efficiently compress channel state information (CSI) and feed it back to an access point (AP). In this paper, we propose a novel deep learning…

Signal Processing · Electrical Eng. & Systems 2025-07-16 Junyong Shin , Eunsung Jeon , Inhyoung Kim , Yo-Seb Jeon

In this paper, we study the transmission design for reconfigurable intelligent surface (RIS)-aided multiuser communication networks. Different from most of the existing contributions, we consider long-term CSI-based transmission design,…

Information Theory · Computer Science 2021-11-25 Hong Ren , Cunhua Pan , Liang Wang , Zhoubing Kou , Kezhi Wang

Utilization of inter-base station cooperation for information processing has shown great potential in enhancing the overall quality of communication services (QoS) in wireless communication networks. Nevertheless, such cooperations require…

Information Theory · Computer Science 2024-01-23 Xingdi Chen , Yu Xiong , Kai Yang

Reconfigurable intelligent surface (RIS) constitutes a disruptive technology for enhancing vehicular communication performance through reconfigurable propagation environments. In this paper, we propose an adaptive channel estimation…

Systems and Control · Electrical Eng. & Systems 2026-03-03 Tianyou Li , Haifeng Hu , Dapeng Li

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 considers a joint communication and sensing technique for enhancing situational awareness in practical battlefield scenarios. In particular, we propose an aerial reconfigurable intelligent surface (ARIS)-assisted integrated…

Systems and Control · Electrical Eng. & Systems 2025-02-04 Hyunsang Cho , Seonghoon Yoo , Bang Chul Jung , Joonhyuk Kang

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
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