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This paper investigates a movable antenna (MA)-assisted multiuser integrated sensing and communication (ISAC) system, where the base station (BS) and communication users are all equipped with MA for improving both the sensing and…

Signal Processing · Electrical Eng. & Systems 2024-07-17 Haoran Qin , Wen Chen , Qingqing Wu , Ziheng Zhang , Zhendong Li , Nan Cheng

Integrated sensing and communication (ISAC) has emerged as a key technology for future communication systems. In this paper, we provide a general framework to reveal the fundamental tradeoff between sensing and communication in OFDM…

Information Theory · Computer Science 2023-01-24 Zhe Huang , An liu , Rui Du , Tony Xiao Han

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 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

The Bayesian Cram\'er-Rao bound (CRB) provides a lower bound on the mean square error of any Bayesian estimator under mild regularity conditions. It can be used to benchmark the performance of statistical estimators, and provides a…

Machine Learning · Statistics 2024-09-09 Evan Scope Crafts , Xianyang Zhang , Bo Zhao

By extracting task-relevant information while maximally compressing the input, the information bottleneck (IB) principle has provided a guideline for learning effective and robust representations of the target inference. However, extending…

Information Theory · Computer Science 2025-01-22 Yuhan Wang , Youlong Wu , Shuai Ma , Ying-Jun Angela Zhang

This paper studies the performance trade-off in a multi-user backscatter communication (BackCom) system for integrated sensing and communications (ISAC), where the multi-antenna ISAC transmitter sends excitation signals to power multiple…

Information Theory · Computer Science 2024-06-04 Yuanming Tian , Dan Wang , Chuan Huang , Wei Zhang

Integrated sensing and communications (ISAC) is recognized as a key enabling technology for future wireless networks. To shed light on the fundamental performance limits of ISAC systems, this paper studies the deterministic-random tradeoff…

Information Theory · Computer Science 2023-01-05 Fan Liu , Yifeng Xiong , Kai Wan , Tony Xiao Han , Giuseppe Caire

Integrated sensing and communication (ISAC) systems may face a heavy computation burden since the sensory data needs to be further processed. This paper studies a novel system that integrates sensing, communication, and computation, aiming…

Signal Processing · Electrical Eng. & Systems 2024-07-02 Yapeng Zhao , Qingqing Wu , Wen Chen , Yong Zeng , Ruiqi Liu , Weidong Mei , Fen Hou , Shaodan Ma

This paper considers the beamforming and power optimization problem for a class of integrated sensing and communications (ISAC) problems that utilize the communication signals simultaneously for sensing. We formulate the problem of…

Information Theory · Computer Science 2026-05-15 Kareem M. Attiah , Wei Yu

Fundamental rate-distortion-perception (RDP) trade-offs arise in applications requiring maintained perceptual quality of reconstructed data, such as neural image compression. When compressed data is transmitted over public communication…

Information Theory · Computer Science 2026-04-23 Gustaf Åhlgren , Onur Günlü

In this paper, we investigate a bistatic integrated sensing and communications (ISAC) system, consisting of a multi-antenna base station (BS), a multi-antenna sensing receiver, a single-antenna communication user (CU), and a point target to…

Signal Processing · Electrical Eng. & Systems 2025-07-30 Xianxin Song , Xianghao Yu , Jie Xu , Derrick Wing Kwan Ng

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 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

Beyond diagonal reconfigurable intelligent surfaces (BD-RIS) have emerged as a promising technology for 6G wireless networks, offering more advanced control over electromagnetic wave propagation than conventional diagonal RIS. This paper…

Signal Processing · Electrical Eng. & Systems 2025-10-01 Kexin Chen , Yijie Mao , Wonjae Shin

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

Near-field integrated sensing and communication (ISAC) requires target models beyond the point-target abstraction when the target has a non-negligible spatial extent. In this letter, a geometry-aware transmit design is developed for a…

Signal Processing · Electrical Eng. & Systems 2026-04-21 Zongyao Zhao , Zhaolin Wang , Lincong Han , Liang Xu , Jing Jin , Yuanwei Liu , Kaibin Huang

Performance bounds for parameter estimation play a crucial role in statistical signal processing theory and applications. Two widely recognized bounds are the Cram\'{e}r-Rao bound (CRB) in the non-Bayesian framework, and the Bayesian CRB…

Information Theory · Computer Science 2023-11-27 Ori Aharon , Joseph Tabrikian

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 paper develops a unified information-theoretic framework for artificial-intelligence (AI)-aided integrated sensing and communication (ISAC), where a learning component with limited representational capacity is embedded within the…

Information Theory · Computer Science 2025-12-16 Farshad Rostami Ghadi , F. Javier Lopez-Martinez , Kai-Kit Wong , Christos Masouros