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From the telecommunication companies' perspective, the preference for integrated sensing and communication (ISAC) for sixth-generation (6G) is to enhance existing infrastructure with sensing capabilities while minimizing network alterations…

Signal Processing · Electrical Eng. & Systems 2024-10-01 Keivan Khosroshahi , Philippe Sehier , Sami Mekki

A common problem to signal processing are biases introduced by correlated noise. When quantifying time delays between two signals, mixed noise introduces a bias towards zero delay in conventional delay estimates based on the cross- or…

Signal Processing · Electrical Eng. & Systems 2025-06-02 Tin Jurhar , Franziska Pellegrini , Ana I. Nuñes del Toro , Tilman Stephani , Guido Nolte , Stefan Haufe

In this paper, we investigate a bistatic integrated sensing and communications (ISAC) system, consisting of a multi-antenna base station (BS), a multi-antenna sensing receiver, a single-antenna communication user (CU), and a point target to…

Signal Processing · Electrical Eng. & Systems 2025-07-30 Xianxin Song , Xianghao Yu , Jie Xu , Derrick Wing Kwan Ng

This paper investigates multi-static position estimation in cell-free massive multiple-input multiple-output (CF mMIMO) architectures, where orthogonal time frequency space (OTFS) is used as an integrated sensing and communication (ISAC)…

Information Theory · Computer Science 2025-09-10 Yifei Fan , Shaochuan Wu , Mingjun Sun , Lin Huo , Jianchao Su , Haojie Wang

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

Aiming to achieve ubiquitous global connectivity and target detection on the same platform with improved spectral/energy efficiency and reduced onboard hardware cost, low Earth orbit (LEO) satellite systems capable of simultaneously…

Information Theory · Computer Science 2024-07-15 Juha Park , Jaehyup Seong , Jaehak Ryu , Yijie Mao , Wonjae Shin

Intelligent reflecting surface (IRS) has shown its effectiveness in facilitating orthogonal time-division integrated sensing and communications (TD-ISAC), in which the sensing task and the communication task occupy orthogonal time-frequency…

Information Theory · Computer Science 2022-08-11 Zhouyuan Yu , Xiaoling Hu , Chenxi Liu , Mugen Peng , Caijun Zhong

Only the chairs can edit The availability of abundant bandwidth at terahertz (THz) frequencies holds promise for significantly enhancing the sensing performance of integrated sensing and communication (ISAC) systems in the next-generation…

Signal Processing · Electrical Eng. & Systems 2024-05-29 Tommaso Bacchielli , Lorenzo Pucci , Davide Dardari , Andrea Giorgetti

Integrated sensing and communication (ISAC) is a key enabler of 6G, supporting environment-aware services. A fundamental sensing task in this setting is reliable multi-target detection and tracking. This paper proposes a temporal graph…

Signal Processing · Electrical Eng. & Systems 2026-04-10 Saiedeh Maboud Sanaie , Marcus Grossmann , Markus Landmann , Thomas Dallmann

In Global Navigation Satellite System (GNSS)-denied environments, terrestrial signals of opportunity (SoOP) offer an alternative for positioning, but synchronization impairments such as clock offsets, drift, and multipath limit performance.…

Signal Processing · Electrical Eng. & Systems 2026-05-27 Mustafa Furkan Beker , Abdullah Tan , Khaled Walid Elgammal , Mehmet Kemal Ozdemir

In the evolving landscape of high-speed communication, the shift from traditional pilot-based methods to a Sensing-Oriented Approach (SOA) is anticipated to gain momentum. This paper delves into the development of an innovative Integrated…

Numerical Analysis · Mathematics 2024-12-13 Shengcai Zhou , Halvin Yang , Luping Xiang , Kun Yang

Integrated sensing and communication (ISAC) is poised to redefine the landscape of wireless networks by seamlessly combining data transmission and environmental sensing. However, ISAC systems remain susceptible to eavesdropping, especially…

Signal Processing · Electrical Eng. & Systems 2026-03-16 Hancheng Zhu , Zongze Li , Yik-Chung Wu

Integrated sensing and communication (ISAC) and intelligent reflecting surface (IRS) are viewed as promising technologies for future generations of wireless networks. This paper investigates the channel estimation problem in an IRS-assisted…

Signal Processing · Electrical Eng. & Systems 2024-04-09 Yu Liu , Ibrahim Al-Nahhal , Octavia A. Dobre , Fanggang Wang

A simultaneously transmitting and reflecting surface (STARS) enabled integrated sensing and communications (ISAC) framework is proposed, where a novel bi-directional sensing-STARS architecture is devised to facilitate the full-space…

Information Theory · Computer Science 2023-01-10 Zheng Zhang , Yuanwei Liu , Zhaolin Wang , Jian Chen

Beyond diagonal reconfigurable intelligent surfaces (BD-RIS) can realize the interconnection between reflecting elements through the impedance network, thereby providing a new approach for the performance improvement of integrated sensing…

Information Theory · Computer Science 2026-03-17 Xuejun Cheng , Qian Zhang , Yuhui Jiao , Shiyao Guo , Xiaotong Xu , Guanghui Luo , Ju Liu

Orthogonal time frequency space (OTFS) modulation is a promising candidate for supporting reliable information transmission in high-mobility vehicular networks. In this paper, we consider the employment of the integrated (radar) sensing and…

Signal Processing · Electrical Eng. & Systems 2021-12-15 Weijie Yuan , Zhiqiang Wei , Shuangyang Li , Jinhong Yuan , Derrick Wing Kwan Ng

Integrated sensing and communications (ISAC) is considered an innovative technology in sixth-generation (6G) wireless networks, where utilizing orthogonal frequency division multiplexing (OFDM) communication signals for sensing provides a…

Signal Processing · Electrical Eng. & Systems 2025-10-15 Zhen Du , Jingjing Xu , Yifeng Xiong , Jie Wang , Musa Furkan Keskin , Henk Wymeersch , Fan Liu , Shi Jin

We consider an uplink integrated sensing and communications (ISAC) scenario where the detection of data symbols from multiple user equipment (UEs) occurs simultaneously with a three-dimensional (3D) estimation of the environment, extracted…

Signal Processing · Electrical Eng. & Systems 2023-08-22 Hyeon Seok Rou , Giuseppe Thadeu Freitas de Abreu , David González G. , Osvaldo Gonsa

In this paper, we establish an integrated sensing and communication (ISAC) system based on a distributed semi-passive intelligent reflecting surface (IRS), which allows location sensing and data transmission to be carried out…

Information Theory · Computer Science 2022-08-12 Xiaoling Hu , Chenxi Liu , Mugen Peng , Caijun Zhong

This paper studies an integrated sensing and communication (ISAC) system within a centralized cell-free massive MIMO (multiple-input multiple-output) network for target detection. ISAC transmit access points serve the user equipments in the…

Information Theory · Computer Science 2024-11-26 Zinat Behdad , Özlem Tuğfe Demir , Ki Won Sung , Emil Björnson , Cicek Cavdar