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Integrated sensing and communication (ISAC) can substantially improve spectral, hardware, and energy efficiency by unifying radar sensing and data communications. In wideband and scattering-rich environments, clutter often dominates weak…

Signal Processing · Electrical Eng. & Systems 2026-03-19 Rang Liu , Peishi Li , Ming Li , A. Lee Swindlehurst

Integrated sensing and communication (ISAC) systems often suffer severe performance degradation due to strong clutter echoes, and spatial-only beamforming is often inadequate for realistic array sizes. This paper addresses clutter…

Signal Processing · Electrical Eng. & Systems 2026-03-17 Mengzhen Liu , Ming Li , Rang Liu , Qian Liu , A. Lee Swindlehurst

In this paper, we propose a practical integrated sensing and communications (ISAC) framework to sense dynamic targets from clutter environment while ensuring users communications quality. To implement communications function and sensing…

Signal Processing · Electrical Eng. & Systems 2024-02-07 Hongliang Luo , Yucong Wang , Dongqi Luo , Jianwei Zhao , Huihui Wu , Shaodan Ma , Feifei Gao

The coexistence of radar and communications in wireless systems marks a paradigm shift for the sixth-generation (6G) networks. As 6G systems are expected to operate at higher frequencies and employ larger antenna arrays than…

Signal Processing · Electrical Eng. & Systems 2025-11-04 M. Ertug Pihtili , Julia Equi , Ossi Kaltiokallio , Jukka Talvitie , Elena Simona Lohan , Ertugrul Basar , Mikko Valkama

The temporal evolution of the propagation environment plays a central role in integrated sensing and communication (ISAC) systems. A slow-time evolution manifests as channel aging in communication links, while a fast-time one is associated…

Signal Processing · Electrical Eng. & Systems 2026-01-16 Steven Rivetti , Gabor Fodor , Emil Björnson , Mikael Skoglund

This paper proposes an integrated sensing and communication (ISAC) system covert waveform design method for complex clutter environments, with the core objective of maximizing the signal-to-clutter-plus-noise ratio (SCNR). The design…

Signal Processing · Electrical Eng. & Systems 2025-11-25 Xuyang Zhao , Jiangtao Wang , Xinyu Zhang , Yongchao Wang

Existing integrated sensing and communication (ISAC) platforms fail to fully utilize the shared spectrum and aperture resources for sensing, resulting in poor sensing performance. Specifically, weak target sensing on the ISAC platform, such…

Signal Processing · Electrical Eng. & Systems 2026-03-13 Zhuoyang Liu , Yixiang Luomei , Feng Xu

As one of the key usage scenarios for the sixth generation (6G) wireless networks, integrated sensing and communication (ISAC) provides an efficient framework to achieve simultaneous wireless sensing and communication. However, traditional…

Information Theory · Computer Science 2026-04-10 Di Wu , Zhuoyin Dai , Yong Zeng

The widespread use of unmanned aerial vehicles (UAVs) in low-altitude airspace has raised significant safety and security concerns, motivating the development of reliable non-cooperative UAV surveillance technologies. Integrated sensing and…

Signal Processing · Electrical Eng. & Systems 2026-04-06 Shiyu Bai , Sijia Li , Cunyi Yin , Wenqiu Qu , Li-Ta Hsu , Yuanwei Liu , Wen-Hua Chen

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…

Signal Processing · Electrical Eng. & Systems 2024-06-04 Dezhi Wang , Chongwen Huang , Lei Liu , Xiaoming Chen , Wei Wang , Zhaoyang Zhang , Chau Yuen , Mérouane Debbah

Channel knowledge map (CKM) exploits environ-ment information to assist channel estimation during communi-cation. For clustered channels, which represent a typical type ofwireless propagation environment, there has been no researchdevoted…

Signal Processing · Electrical Eng. & Systems 2026-02-27 Heling Zhang , Xiujun Zhang , Xiaofeng Zhong , Shidong Zhou

Integrated sensing and communications (ISAC) is poised to be a native technology for the forthcoming Sixth Generation (6G) era, with an emphasis on its potential to enhance communications performance through the integration of sensing…

Signal Processing · Electrical Eng. & Systems 2024-01-12 Andrea Ramos , Musa Furkan Keskin , Henk Wymeersch , Saul Inca , Jose F. Monserrat

This letter addresses the joint air corridor planning and base station (BS) deployment problem for low-altitude integrated sensing and communication (ISAC) networks. In the considered system, unmanned aerial vehicles (UAVs) operate within a…

Signal Processing · Electrical Eng. & Systems 2025-12-15 Jiaxuan Li , Yilong Chen , Fan Liu , Jie Xu

Unmanned aerial vehicles (UAVs) are widely used due to their low cost and versatility, but they also pose security and privacy threats. Therefore, reliable detection for low-altitude UAVs is an important issue. The strong ground clutter…

Signal Processing · Electrical Eng. & Systems 2022-02-25 Zeyang Wu , Wenbo Wang , Yuexing Peng

The emergence of Integrated Sensing and Communication (ISAC) in future 6G networks comes with a variety of challenges to be solved. One of those is clutter removal, which should be applied to remove the influence of unwanted components,…

Signal Processing · Electrical Eng. & Systems 2024-10-28 Marcus Henninger , Silvio Mandelli , Artjom Grudnitsky , Thorsten Wild , Stephan ten Brink

UAV swarms can form virtual antenna arrays to exploit additional spatial degrees of freedom and enhance integrated sensing and communication (ISAC). The optimization of UAV positions is challenging due to the distributed nature of swarms…

Signal Processing · Electrical Eng. & Systems 2025-11-06 Zhiyuan Zhai , Wei Ni , Xin Wang , Dusit Niyato , Ekram Hossain

Channel knowledge map (CKM) is a novel approach for achieving environment-aware communication and sensing. This paper presents an integrated sensing and communication (ISAC)-based CKM prototype system, demonstrating the mutualistic…

Signal Processing · Electrical Eng. & Systems 2025-02-25 Chaoyue Zhang , Zhiwen Zhou , Xiaoli Xu , Yong Zeng , Zaichen Zhang , Shi Jin

This paper proposes an environment-aware near-field channel estimation framework for integrated sensing and communication (ISAC) systems equipped with extremely large-scale antenna arrays (ELAAs). The proposed framework jointly exploits…

Information Theory · Computer Science 2026-04-07 Yuan Guo , Yilong Chen , Zixiang Ren , Jie Xu

Simultaneous localization and mapping (SLAM) provides user tracking and environmental mapping capabilities, enabling communication systems to gain situational awareness. Advanced communication networks with ultra-wideband, multiple…

Information Theory · Computer Science 2022-11-14 Jie Yang , Chao-Kai Wen , Xi Yang , Jing Xu , Tao Du , Shi Jin

Integrated sensing and communication (ISAC) is a promising candidate technology for 6G due to its improvement in spectral efficiency and energy efficiency. Orthogonal frequency division multiplexing (OFDM) signal is a mainstream candidate…

Signal Processing · Electrical Eng. & Systems 2025-08-19 Lin Wang , Zhiqing Wei , Xu Chen , Zhiyong Feng
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