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Related papers: Pilot-Based SFO Estimation for Bistatic Integrated…

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The bistatic Integrated Sensing and Communication (ISAC) is poised to become a key application for next generation communication networks (e.g., B5G/6G), providing simultaneous sensing and communication services with minimal changes to…

Signal Processing · Electrical Eng. & Systems 2025-07-15 Yi Wang , Keke Zu , Luping Xiang , Martin Haardt , Kun Yang

A distributed integrated sensing and communication (D-ISAC) system offers significant cooperative gains for both sensing and communication performance. These gains, however, can only be fully realized when the distributed nodes are…

Signal Processing · Electrical Eng. & Systems 2025-03-13 Kawon Han , Kaitao Meng , Christos Masouros

Orthogonal time frequency space (OTFS) is a promising alternative to orthogonal frequency division multiplexing (OFDM) for high-mobility communications. We propose a novel multiple-input multiple-output (MIMO) integrated sensing and…

Signal Processing · Electrical Eng. & Systems 2023-06-13 Musa Furkan Keskin , Carina Marcus , Olof Eriksson , Alex Alvarado , Joerg Widmer , Henk Wymeersch

This paper presents joint sampling frequency offset (SFO) estimation and compensation algorithms based on the Farrow structure. Unlike conventional approaches that treat estimation and compensation separately, the proposed framework…

Signal Processing · Electrical Eng. & Systems 2026-03-03 Deijany Rodriguez Linares , Oksana Moryakova , Håkan Johansson

In this paper, we propose time and frequency synchronization techniques for uplink multiuser OTFS (MU-OTFS) systems in high-mobility scenarios. This work focuses on accurately estimating and correcting timing offsets (TOs) and carrier…

Signal Processing · Electrical Eng. & Systems 2025-07-25 Mohsen Bayat , Sanoopkumar P. S. , Arman Farhang

Recent studies shows that the orthogonal time frequency space (OTFS) waveform is a promising candidate for future communication. To meet users' potential demand for Integrated Sensing and Communication (ISAC) applications in 6G, the usage…

Information Theory · Computer Science 2025-10-01 Dazhuo Wang , Yonghong Zeng , Yuhong Wang , Francois Chin , Yugang Ma , Sumei Sun

In the existing literature on joint timing and frequency synchronization of orthogonal time frequency space modulation (OTFS), practically infeasible impulse pilot with large peak-to-average power ratio (PAPR) is deployed. Hence, in this…

Signal Processing · Electrical Eng. & Systems 2023-01-25 Mohsen Bayat , Sanoopkumar P. S. , Arman Farhang

This paper introduces a sampling frequency offset (SFO) estimation method based on the Farrow structure, which is typically utilized for the SFO compensation and thereby enables a reduction of the implementation complexity of the SFO…

Signal Processing · Electrical Eng. & Systems 2025-09-19 Deijany Rodriguez Linares , Oksana Moryakova , Håkan Johansson

Orthogonal time frequency space (OTFS) modulation has been proposed to meet the demand for reliable communication in high-mobility scenarios for future wireless networks. However, in multi-user OTFS systems, conventional embedded pilot…

Information Theory · Computer Science 2025-12-03 Ruizhe Wang , Hong Ren , Cunhua Pan , Ruisong Weng , Jiangzhou Wang

Integrated Sensing and Communication (ISAC) is a key enabler for next-generation wireless systems. However, real-world deployment is often limited to low-cost, single-antenna transceivers. In such bistatic Single-Input Single-Output (SISO)…

Signal Processing · Electrical Eng. & Systems 2025-08-19 Zhongqin Wang , J. Andrew Zhang , Kai Wu , Min Xu , Y. Jay Guo

Precise Time-of-Arrival (TOA) estimations of aircraft and drone signals are important for a wide set of applications including aircraft/drone tracking, air traffic data verification, or self-localization. Our focus in this work is on TOA…

Signal Processing · Electrical Eng. & Systems 2018-02-21 Roberto Calvo-Palomino , Fabio Ricciato , Blaz Repas , Domenico Giustiniano , Vincent Lenders

Terahertz (THz) integrated sensing and communication (ISAC) is a promising interdisciplinary technology that realizes simultaneously transmitting Terabit-per-second (Tbps) and millimeter-level accurate environment or human activity sensing.…

Signal Processing · Electrical Eng. & Systems 2023-02-28 Yongzhi Wu , Chong Han , Zhi Chen

Nonstationary time series forecasting suffers from the distribution shift issue due to the different distributions that produce the training and test data. Existing methods attempt to alleviate the dependence by, e.g., removing low-order…

Machine Learning · Computer Science 2026-02-20 Xihao Piao , Zheng Chen , Lingwei Zhu , Yushun Dong , Yasuko Matsubara , Yasushi Sakurai

Orthogonal Time Frequency Space (OTFS) modulation has recently garnered attention for its robustness in high-mobility wireless communication environments. In OTFS, the data symbols are mapped to the Doppler-Delay (DD) domain. In this paper,…

Signal Processing · Electrical Eng. & Systems 2026-03-31 Kailong Wang , Athina Petropulu

Integrated sensing and communication (ISAC) is emerging as a key technique for next-generation wireless systems. In order to expedite the practical implementation of ISAC in pervasive mobile networks, it is crucial to have widely deployed…

Signal Processing · Electrical Eng. & Systems 2024-07-18 Zichao Xiao , Rang Liu , Ming Li , Qian Liu , A. Lee Swindlehurst

Orthogonal time frequency space (OTFS) modulation has the potential to enable robust communications in highly-mobile scenarios. Estimating the channels for OTFS systems, however, is associated with high pilot signaling overhead that scales…

Information Theory · Computer Science 2022-09-26 Shuaifeng Jiang , Ahmed Alkhateeb

Bi-static sensing is an attractive configuration for integrated sensing and communications (ISAC) systems; however, clock asynchronism between widely separated transmitters and receivers introduces time-varying time offsets (TO) and phase…

Signal Processing · Electrical Eng. & Systems 2025-05-16 Jingbo Zhao , Zhaoming Lu , J. Andrew Zhang , Jiaxi Zhou , Weicai Li , Tao Gu

A novel Integrated Sensing-Communication (ISAC) system is proposed that can accommodate high mobility scenarios while making efficient use of bandwidth for both communication and sensing. The system comprises a monostatic multiple-input…

Signal Processing · Electrical Eng. & Systems 2026-03-31 Kailong Wang , Athina Petropulu

Integrated satellite-terrestrial communications networks aim to exploit both the satellite and the ground mobile communications, thus providing genuine ubiquitous coverage. For 5G integrated low earth orbit (LEO) satellite communication…

Information Theory · Computer Science 2021-05-11 Wenjin Wang , Tingting Chen , Rui Ding , Gonzalo Seco-Granados , Li You , Xiqi Gao

Integrated sensing and communication (ISAC) has been defined as one goal for 6G mobile communication systems. In this context, this article introduces a bistatic ISAC system based on orthogonal frequency-division multiplexing (OFDM). While…

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