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A Uniform Pilot and Data Payload Optimization Framework for OTFS-Based ISAC
Borui Du, Yumeng Zhang, Christos Masouros +1
The orthogonal time frequency space (OTFS) signal is considered a promising solution for high-mobility wireless environments. It manages Doppler effects by utilizing delay-Doppler…
Securing the Sensing Functionality in ISAC: KLD-Based Ambiguity Function Shaping
Borui Du, Kawon Han, Christos Masouros
As integrated sensing and communication (ISAC) systems are deployed in next-generation wireless networks, a new security vulnerability emerges, particularly in terms of sensing pri…
Joint Activity Detection and Channel Estimation For Fluid Antenna System Exploiting Geographical and Angular Information
Zhentian Zhang, Jian Dang, David Morales-Jimenez +4
The fluid antenna system (FAS) refers to a family of reconfigurable antenna technologies that provide substantial spatial gains within a compact, predefined small space, thereby of…
Information-Theoretic Limits of Integrated Sensing and Communication with Finite Learning Capacity
Farshad Rostami Ghadi, F. Javier Lopez-Martinez, Kai-Kit Wong +1
This paper develops a unified information-theoretic framework for artificial-intelligence (AI)-aided integrated sensing and communication (ISAC), where a learning component with li…
A Sensing Dataset Protocol for Benchmarking and Multi-Task Wireless Sensing
Jiawei Huang, Di Zhang, Yuanhao Cui +4
Wireless sensing has become a fundamental enabler for intelligent environments, supporting applications such as human detection, activity recognition, localization, and vital sign…
Ultra-Massive MIMO with Orthogonal Chirp Division Multiplexing for Near-Field Sensing and Communication Integration
Ziwei Wan, Zhen Gao, Fabien Heliot +6
This paper integrates the emerging ultra-massive multiple-input multiple-output (UM-MIMO) technique with orthogonal chirp division multiplexing (OCDM) waveform to tackle the challe…
On Discrete Ambiguity Functions of Random Communication Waveforms
Ying Zhang, Fan Liu, Yifeng Xiong +6
This paper provides a fundamental characterization of the discrete ambiguity functions (AFs) of random communication waveforms under arbitrary orthonormal modulation with random co…
Rethinking Signaling Design for ISAC: From Pilot-Based to Payload-Based Sensing
Yunxin Li, Ying Zhang, Christos Masouros +2
Integrated Sensing and Communications (ISAC) is emerging as a key enabler for 6G networks, with signaling design at the core of its evolution. This paper reviews the paradigm shift…
Next-Generation MIMO Transceivers for Integrated Sensing and Communications: Unique Security Vulnerabilities and Solutions
Kawon Han, Christos Masouros, Taneli Riihonen +1
Integrated sensing and communications (ISAC), which is recognized as a key enabler for sixth generation (6G), has brought new opportunities for intelligent, sustainable, and connec…
A Universal Block Error Rate Bound for Fluid Antenna Systems
Zhentian Zhang, David Morales-Jimenez, Hao Jiang +1
Fluid antenna systems (FASs) offer genuine simplicity for communication network design by eliminating expensive hardware overhead and reducing the complexity of access protocol arc…
Look Before Switch: Sensing-Assisted Handover in 5G NR V2I Networks
Yunxin Li, Fan Liu, Haoqiu Xiong +3
Integrated Sensing and Communication (ISAC) has emerged as a promising solution in addressing the challenges of high-mobility scenarios in 5G NR Vehicle-to-Infrastructure (V2I) com…
From OFDM to AFDM: Enabling Adaptive Integrated Sensing and Communication in High-Mobility Scenarios
Haoran Yin, Yanqun Tang, Jun Xiong +7
Integrated sensing and communication (ISAC) is a key feature of next-generation wireless networks, enabling a wide range of emerging applications such as vehicle-to-everything (V2X…
Sensing Security in Near-Field ISAC: Exploiting Scatterers for Eavesdropper Deception
Jiangong Chen, Xia Lei, Kaitao Meng +4
In this paper, we explore sensing security in near-field (NF) integrated sensing and communication (ISAC) scenarios by exploiting known scatterers in the sensing scene. We propose…
Signal Design for OTFS Dual-Functional Radar and Communications with Imperfect CSI
Borui Du, Yumeng Zhang, Christos Masouros +1
Orthogonal time frequency space (OTFS) offers significant advantages in managing mobility for both wireless sensing and communication systems, making it a promising candidate for d…
Integrated Sensing and Communication with Tri-Hybrid Beamforming Across Electromagnetically Reconfigurable Antennas
Jiangong Chen, Xia Lei, Yuchen Zhang +2
Beamforming with a sufficient number of antennas is one of the most significant technologies for both Multi-user (MU) Multiple-input Multiple-output (MIMO) communication and MIMO r…
Integrated Sensing and Communication: Towards Multifunctional Perceptive Network
Yuanhao Cui, Jiali Nie, Fan Liu +7
The capacity-maximization design philosophy has driven the growth of wireless networks for decades. However, with the slowdown in recent data traffic demand, the mobile industry ca…
Sensing-Secure ISAC: Ambiguity Function Engineering for Impairing Unauthorized Sensing
Kawon Han, Kaitao Meng, Christos Masouros
The deployment of integrated sensing and communication (ISAC) brings along unprecedented vulnerabilities to authorized sensing, necessitating the development of secure solutions. S…
Optical Computation-in-Communication enables low-latency, high-fidelity perception in telesurgery
Rui Yang, Jiaming Hu, Jian-Qing Zheng +12
Artificial intelligence (AI) holds significant promise for enhancing intraoperative perception and decision-making in telesurgery, where physical separation impairs sensory feedbac…
Constellation Design in OFDM-ISAC over Data Payloads: From MSE Analysis to Experimentation
Kawon Han, Kaitao Meng, Alexandra Chatzicharistou +1
Orthogonal frequency division multiplexing (OFDM) is one of the most widely adopted waveforms for integrated sensing and communication (ISAC) systems, owing to its high spectral ef…
Low-Complexity CSI Acquisition Exploiting Geographical Diversity in Fluid Antenna System
Zhentian Zhang, David Morales-Jimenez, Jian Dang +3
The fluid antenna system (FAS) employs reconfigurable antennas for high spatial gains in compact spaces, enhancing physical layer flexibility. Channel state information (CSI) acqui…
Interference Management for Integrated Sensing and Communications: A Multiple Access Perspective
Kexin Chen, Yijie Mao, Wonjae Shin +2
The integrated sensing and communication (ISAC) technique has been considered a key enabler for 6G radio access networks. ISAC fulfills a brand new paradigm shift in wireless netwo…
Finite-blocklength Fluid Antenna Systems With Spatial Block-Correlation Channel Model
Zhentian Zhang, Kai-Kit Wong, David Morales-Jimenez +4
Massive connectivity with ultra-low latency and high reliability necessitates fundamental advances in future communication networks operating under finite-blocklength (FBL) transmi…
Finite-blocklength Fluid Antenna Systems
Zhentian Zhang, Kai-Kit Wong, David Morales-Jimenez +4
This paper investigates fluid antenna systems (FASs) subject to finite-blocklength (FBL) constraints, motivated by the strict reliability-latency and ultra-massive connectivity req…
Deep Learning-based Techniques for Integrated Sensing and Communication Systems: State-of-the-Art, Challenges, and Opportunities
Murat Temiz, Yongwei Zhang, Yanwei Fu +4
This article comprehensively reviews recent developments and research on deep learning-based (DL-based) techniques for integrated sensing and communication (ISAC) systems. ISAC, wh…