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Integrated sensing and communication (ISAC) is a promising technology to simultaneously provide high-performance wireless communication and radar sensing services in future networks. In this paper, we propose the concept of \emph{integrated…

信号处理 · 电气工程与系统科学 2024-07-31 Chaoyue Zhang , Zhiwen Zhou , Huizhi Wang , Yong Zeng

Inspired by providing reliable communications for high-mobility scenarios, in this letter, we investigate the channel estimation and signal detection in integrated sensing and communication~(ISAC) systems based on the orthogonal…

信号处理 · 电气工程与系统科学 2024-06-04 Dezhi Wang , Chongwen Huang , Lei Liu , Xiaoming Chen , Wei Wang , Zhaoyang Zhang , Chau Yuen , Mérouane Debbah

Integrated sensing and communication (ISAC) is widely recognized as a fundamental enabler for future wireless communications. In this paper, we present a joint communication and radar beamforming framework for maximizing a sum spectral…

信号处理 · 电气工程与系统科学 2024-09-04 Jinseok Choi , Jeonghun Park , Namyoon Lee , Ahmed Alkhateeb

Channel estimation (CE) plays a key role in reconfigurable intelligent surface (RIS)-aided multiple-input multiple-output (MIMO) communication systems, while it poses a challenging task due to the passive nature of RIS and the cascaded…

信息论 · 计算机科学 2024-07-30 Yonghui Chu , Zhiqiang Wei , Zai Yang , Derrick Wing Kwan Ng

Integrated sensing and communication (ISAC) is a promising technology to fully utilize the precious spectrum and hardware in wireless systems, which has attracted significant attentions recently. This paper studies ISAC for the important…

信号处理 · 电气工程与系统科学 2021-08-17 Zhiqiang Xiao , Yong Zeng

Orthogonal frequency division multiplexing (OFDM)-based integrated sensing and communication (ISAC) is promising for future sixth-generation mobile communication systems. Existing works focus on the joint estimation of the targets' range…

信号处理 · 电气工程与系统科学 2023-12-21 Zelin Hu , Qibin Ye , Yixuan Huang , Su Hu , Gang Yang

In joint radar-communications (JRC) applications such as secure military receivers, often the radar and communications signals are overlaid in the received signal. In these passive listening outposts, the signals and channels of both radar…

信息论 · 计算机科学 2024-04-01 Roman Jacome , Edwin Vargas , Kumar Vijay Mishra , Brian M. Sadler , Henry Arguello

Peak detection is a fundamental task in radar and has therefore been studied extensively in radar literature. However, Integrated Sensing and Communication (ISAC) systems for sixth generation (6G) cellular networks need to perform peak…

信号处理 · 电气工程与系统科学 2025-05-22 Paolo Tosi , Steffen Schieler , Marcus Henninger , Sebastian Semper , Silvio Mandelli

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…

信号处理 · 电气工程与系统科学 2026-03-25 Zongyao Zhao , Zhaolin Wang , Lincong Han , Jing Jin , Yuanwei Liu , Kaibin Huang

Diffusion-based semantic communication methods have shown significant advantages in image transmission by harnessing the generative power of diffusion models. However, they still face challenges, including generation randomness that leads…

图像与视频处理 · 电气工程与系统科学 2024-11-12 Weixuan Chen , Qianqian Yang

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…

信号处理 · 电气工程与系统科学 2025-01-14 Obed Morrison Atsu , Salmane Naoumi , Roberto Bomfin , Marwa Chafii

We propose regularized approximate message passing (RAMP), a low-complexity algorithm for discrete signal detection in overloaded multiple-input multiple-output (MIMO) systems where the number of transmit antennas exceeds the number of…

This paper investigates a fluid antenna (FA) enhanced integrated sensing and communication (ISAC) system consisting of a base station (BS), multiple single-antenna communication users, and one point target, where the BS is equipped with FAs…

信号处理 · 电气工程与系统科学 2024-07-09 Tian Hao , Changxin Shi , Yinghong Guo , Bin Xia , Feng Yang

This paper presents a new integrated sensing and communication (ISAC) framework, leveraging the recent advancements of reconfigurable distributed antenna and reflecting surface (RDARS). RDARS is a programmable surface structure comprising…

信息论 · 计算机科学 2024-01-11 Pingping Zhang , Jintao Wang , Yulin Shao , Shaodan Ma

Dual function radar and communication (DFRC) is a promising research direction within integrated sensing and communication (ISAC), improving hardware and spectrum efficiency by merging sensing and communication (S&C) functionalities into a…

信息论 · 计算机科学 2024-08-30 Zhiyuan Yu , Hong Ren , Cunhua Pan , Gui Zhou , Ruizhe Wang , Mengyu Liu , Jiangzhou Wang

Speech Recognition (ASR) due to phoneme distortions and high variability. While self-supervised ASR models like Wav2Vec, HuBERT, and Whisper have shown promise, their effectiveness in dysarthric speech remains unclear. This study…

声音 · 计算机科学 2025-08-12 Ahmed Aboeitta , Ahmed Sharshar , Youssef Nafea , Shady Shehata

This paper considers a MIMO Integrated Sensing and Communication (ISAC) system, where a base station simultaneously serves a MIMO communication user and a remote MIMO sensing receiver, without channel state information (CSI) at the…

信号处理 · 电气工程与系统科学 2025-06-12 Alex Obando , Saman Atapattu , Prathapasinghe Dharmawansa , Akram Hourani , Kandeepan Sithamparanathan

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…

信号处理 · 电气工程与系统科学 2022-11-03 Shihang Lu , Xiao Meng , Zhen Du , Yifeng Xiong , Fan Liu

We investigate resource allocation in integrated sensing and communication (ISAC) systems exploiting movable antennas (MAs) to enhance system performance. Unlike the existing ISAC literature, we account for dynamic radar cross-section (RCS)…

信号处理 · 电气工程与系统科学 2024-07-31 Ata Khalili , Robert Schober

Integrated sensing and communication (ISAC) is a novel capability expected for sixth generation (6G) cellular networks. To that end, several challenges must be addressed to enable both mono- and bistatic sensing in existing deployments. A…

信号处理 · 电气工程与系统科学 2024-10-22 Lucas Giroto de Oliveira , Yueheng Li , Benedikt Geiger , Laurent Schmalen , Thomas Zwick , Benjamin Nuss