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The following paper introduces a novel integrated sensing and communication (ISAC) scenario termed hybrid radar fusion. In this setting, the dual-functional radar and communications (DFRC) base station (BS) acts as a mono-static radar in…

Signal Processing · Electrical Eng. & Systems 2024-01-19 Akhileswar Chowdary , Ahmad Bazzi , Marwa Chafii

In this paper, we study a secure integrated sensing and communication (ISAC) system where one multi-antenna base station (BS) simultaneously serves a downlink communication user and senses the location of a target that may potentially serve…

Information Theory · Computer Science 2023-06-08 Kaiyue Hou , Shuowen Zhang

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

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

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

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

We study a unified information-theoretic framework for integrated sensing and communications (ISAC), applicable to both monostatic and bistatic sensing scenarios. Special attention is given to the case where the sensing receiver (Rx) is…

Information Theory · Computer Science 2025-02-13 Jun Chen , Lei Yu , Yonglong Li , Wuxian Shi , Yiqun Ge , Wen Tong

An integrated sensing and backscatter communication (ISABC) system is introduced herein. This system features a full-duplex (FD) base station (BS) that seamlessly merges sensing with backscatter communication and supports multiple users.…

Signal Processing · Electrical Eng. & Systems 2025-01-30 Diluka Galappaththige , Shayan Zargari , Chintha Tellambura , Geoffrey Ye Li

Integrated sensing and communications (ISAC) is potentially capable of circumventing the limitations of existing frequency-division sensing and communications (FDSAC) techniques. Hence, it has recently attracted significant attention. This…

Information Theory · Computer Science 2022-08-09 Chongjun Ouyang , Yuanwei Liu , Hongwen Yang , Naofal Al-Dhahir

Integrated sensing and communication (ISAC) demonstrates promise for 6G networks; yet its performance limits, which require addressing functional Pareto stochastic optimizations, remain underexplored. Existing works either overlook the…

Signal Processing · Electrical Eng. & Systems 2025-01-03 Zijie Wang , Xudong Wang

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

Integrated sensing and communication (ISAC) networks are investigated with the objective of effectively balancing the sensing and communication (S&C) performance at the network level. Through the simultaneous utilization of multi-point…

Information Theory · Computer Science 2024-06-12 Kaitao Meng , Christos Masouros , Athina P. Petropulu , Lajos Hanzo

In this work, we consider a cell-free massive multiple-input multiple-output (MIMO) integarted sensing and communications (ISAC) system with maximum-ratio transmission schemes combined with multistatic radar-type sensing. Our focus lies on…

Signal Processing · Electrical Eng. & Systems 2024-11-12 Nhan Thanh Nguyen , Tianyu Fang , Hien Quoc Ngo , Markku Juntti

This paper studies a multi-target multi-user integrated sensing and communication (ISAC) system where a multi-antenna base station (BS) communicates with multiple single-antenna users in the downlink and senses the unknown and random angle…

Information Theory · Computer Science 2025-07-01 Jiayi Yao , Shuowen Zhang

This paper investigates an intelligent reflecting surface (IRS) aided millimeter-wave integrated sensing and communication (ISAC) system. Specifically, based on the passive beam scanning in the downlink, the IRS finds the optimal beam for…

Information Theory · Computer Science 2023-07-04 Renwang Li , Xiaodan Shao , Shu Sun , Meixia Tao , Rui Zhang

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

In this paper, we shed light on the performance gain of integrated sensing and communications (ISAC) from the perspective of channel correlations between radar sensing and communication (S&C), namely ISAC subspace correlation. To begin…

Signal Processing · Electrical Eng. & Systems 2022-11-03 Shihang Lu , Xiao Meng , Zhen Du , Yifeng Xiong , Fan Liu

This letter analyzes the performance of uplink integrated sensing and communications (ISAC) systems where communication users (CUs) and radar targets (RTs) share the same frequency band. A non-orthogonal multiple access (NOMA) protocol is…

Information Theory · Computer Science 2022-05-30 Chongjun Ouyang , Yuanwei Liu , Hongwen Yang

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