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This paper presents a theoretical framework to derive information-theoretic bounds on the estimation accuracy of target position and velocity in orthogonal frequency division multiplexing (OFDM)-based integrated sensing and communication…

Signal Processing · Electrical Eng. & Systems 2025-11-03 Lorenzo Pucci , Luca Arcangeloni , Andrea Giorgetti

Integrating device-to-device (D2D) communication into cellular networks can significantly reduce the transmission burden on base stations (BSs). Besides, integrated sensing and communication (ISAC) is envisioned as a key feature in future…

Signal Processing · Electrical Eng. & Systems 2024-08-23 Tao Jiang , Ming Jin , Qinghua Guo , Yinhong Liu , Yaming Li

This paper considers a multiple-input multiple-output (MIMO) integrated sensing and communication (ISAC) system, where a multi-antenna base station (BS) with transceiver hybrid analog-digital arrays transmits dual-functional signals to…

Information Theory · Computer Science 2026-02-03 Yizhuo Wang , Shuowen Zhang

A holographic multiple-input multiple-output (MIMO)-based integrated sensing and communications (ISAC) framework is proposed for both downlink and uplink scenarios. The spatial correlation is incorporated into the communication channel…

Information Theory · Computer Science 2025-01-16 Boqun Zhao , Chongjun Ouyang , Xingqi Zhang , Yuanwei Liu

In this paper, we propose a novel integrated sensing and communication (ISAC) transmission framework based on the spatially-spread orthogonal time frequency space (SS-OTFS) modulation by considering the fact that communication channel…

Information Theory · Computer Science 2021-09-02 Shuangyang Li , Weijie Yuan , Chang Liu , Zhiqiang Wei , Jinhong Yuan , Baoming Bai , Derrick Wing Kwan Ng

This paper investigates a novel underlaid sensing pilot signal design for integrated sensing and communications (ISAC) in an OFDM-based communication system. The proposed two-dimensional (2D) pilot signal is first generated on the…

Information Theory · Computer Science 2023-07-25 Pu Yuan , Hao Liu , Junjie Tan , Dajie Jiang , Lei Yan

Integrated Sensing and Communications (ISAC) will become a service in future mobile communication networks. It enables the detection and recognition of passive objects and environments using radar-like sensing. The ultimate advantage is the…

In this paper, an integrated sensing and communication (ISAC) system is investigated. Initially, we introduce a design criterion wherein sensing data acquired from the preceding time slot is employed for instantaneous optimal beamforming in…

Computational Geometry · Computer Science 2024-10-08 Shengcai Zhou , Luping Xiang , Kun Yang

Through the last decade, we have witnessed a surge of Internet of Things (IoT) devices, and with that a greater need to choreograph their actions across both time and space. Although these two problems, namely time synchronization and…

Machine Learning · Computer Science 2017-11-13 Amr Alanwar , Henrique Ferraz , Kevin Hsieh , Rohit Thazhath , Paul Martin , Joao Hespanha , Mani Srivastava

Integrated sensing and communication (ISAC) has been recognized as one of the key technologies for future wireless networks, which potentially need to operate in multiple frequency bands to satisfy ever-increasing demands for both…

Information Theory · Computer Science 2025-07-11 Nemanja Stefan Perović , Mark F. Flanagan , Le-Nam Tran

Integrated sensing and communication (ISAC) techniques can leverage existing, wide-coverage communication networks to perform sensing tasks, enabling large-scale and low-cost target sensing. However, the inherent randomness of communication…

Signal Processing · Electrical Eng. & Systems 2026-05-25 Kaitao Meng , Kawon Han , Christos Masouros , Fan Liu

Bi-static sensing is crucial for exploring the potential of networked sensing capabilities in integrated sensing and communications (ISAC). However, it suffers from the challenging clock asynchronism issue. CSI ratio-based sensing is an…

Information Theory · Computer Science 2024-01-18 Yanmo Hu , Kai Wu , J. Andrew Zhang , Weibo Deng , Y. Jay Guo

Integrated sensing and communication (ISAC) is a key technology of next generation wireless communication. Backscatter communication (BackCom) plays an important role for internet of things (IoT). Then the integration of ISAC with BackCom…

Signal Processing · Electrical Eng. & Systems 2024-09-06 Zongyao Zhao , Tiankuo Wei , Zhenyu Liu , Xinke Tang , Xiao-Ping Zhang , Yuhan Dong

Integrated Sensing and Communication (ISAC) has attracted substantial attraction in recent years for spectral efficiency improvement, enabling hardware and spectrum sharing for simultaneous sensing and signaling operations. In-band Full…

Information Theory · Computer Science 2022-01-17 Md Atiqul Islam , George C. Alexandropoulos , Besma Smida

This paper investigates a two-user downlink system for integrated sensing and communication (ISAC) in which the two users deploy a fluid antenna system (FAS) and adopt the nonorthogonal multiple access (NOMA) strategy. Specifically, the…

Information Theory · Computer Science 2024-08-12 Farshad Rostami Ghadi , Kai-Kit Wong , F. Javier Lopez-Martinez , Hyundong Shin , Lajos Hanzo

Integrated sensing and communication (ISAC) is envisioned as a key pillar for enabling the upcoming sixth generation (6G) communication systems, requiring not only reliable communication functionalities but also highly accurate…

Signal Processing · Electrical Eng. & Systems 2024-05-28 Jiapeng Li , Xiaodan Shao , Feng Chen , Shaohua Wan , Chang Liu , Zhiqiang Wei , Derrick Wing Kwan Ng

Achieving effective uplink bistatic ISAC over an OFDM waveform gives rise to challenging interference structures. These are mostly due to unequal direct- and echo-path contributions and Doppler-induced ICI, rendering orthogonal resource…

Signal Processing · Electrical Eng. & Systems 2026-05-22 Bruno F. Costa , Anup Mishra , Israel Leyva-Mayorga , Taufik Abrão , Petar Popovski

Multi-static integrated sensing and communication (ISAC) technology, which can achieve a wider coverage range and avoid self-interference, is an important trend for the future development of ISAC. Existing multi-static ISAC designs are…

Systems and Control · Electrical Eng. & Systems 2024-06-14 Fan Zeng , Ruoyun Liu , Xiaoyu Sun , Jingxuan Yu , Jiamin Li , Pengchen Zhu , Dongming Wang , Xiaohu You

The first two parts of this tutorial on orthogonal time frequency space (OTFS) modulation have discussed the fundamentals of delay-Doppler (DD) domain communications as well as some advanced technologies for transceiver design. In this…

Information Theory · Computer Science 2022-09-13 Weijie Yuan , Zhiqiang Wei , Shuangyang Li , Robert Schober , Giuseppe Caire

In Orthogonal Frequency Division Multiplexing (OFDM) Integrated Sensing and Communication (ISAC) systems, a key challenge is balancing sidelobe attenuation and resolution for multi-target detection scenarios. While windowing functions are…

Signal Processing · Electrical Eng. & Systems 2025-12-01 Ali Al Khansa , Youssef Bahannis