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This paper presents a novel approach, Spectral-Interpretable and -Enhanced Transformer (SIEFormer), which leverages spectral analysis to reinterpret the attention mechanism within Vision Transformer (ViT) and enhance feature adaptability,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-16 Chunming Li , Shidong Wang , Tong Xin , Haofeng Zhang

The development of integrated sensing and communication (ISAC) systems has recently gained interest for its ability to offer a variety of services including resources sharing and new applications, for example, localization, tracking, and…

Signal Processing · Electrical Eng. & Systems 2023-02-17 Mohamed Abdalgader , Nadia Adem

The integration of sensing and communication (ISAC) is an essential function of future wireless systems. Due to its large available bandwidth, millimeter-wave (mmWave) ISAC systems are able to achieve high sensing accuracy. In this paper,…

Signal Processing · Electrical Eng. & Systems 2026-02-06 Ziqing Xing , Zhaoyang Zhang , Xin Tong , Zhaohui Yang , Chongwen Huang

This paper studies a challenging scenario in a multiple-input multiple-output (MIMO) integrated sensing and communication (ISAC) system where the locations of the sensing target and the communication user are both unknown and random, while…

Information Theory · Computer Science 2026-02-10 Yizhuo Wang , Shuowen Zhang

Time-frequency (TF) representation of non-stationary signals typically requires the effective concentration of energy distribution along the instantaneous frequency (IF) ridge, which exhibits intrinsic sparsity. Inspired by the sparse…

Signal Processing · Electrical Eng. & Systems 2025-01-15 Zongyue Yang , Baoqing Ding , Shibin Wang , Chuang Sun , Xuefeng Chen

Spatio-temporal traffic forecasting is challenging due to complex temporal patterns, dynamic spatial structures, and diverse input formats. Although Transformer-based models offer strong global modeling, they often struggle with rigid…

Artificial Intelligence · Computer Science 2025-08-20 Jiayu Fang , Zhiqi Shao , S T Boris Choy , Junbin Gao

This paper considers a millimeter wave (mmWave) integrated sensing and communication (ISAC) system, where a base station (BS) equipped with a large number of antennas but a small number of radio-frequency (RF) chains emits pencillike narrow…

Signal Processing · Electrical Eng. & Systems 2026-02-23 Tongkai Li , Weifeng Zhu , Shuowen Zhang , Jiannong Cao , Shuguang Cui , Liang Liu

This paper investigates the passive detection problem in multi-static integrated sensing and communication (ISAC) systems, where multiple sensing receivers (SRs) jointly detect a target using random unknown communication signals transmitted…

Information Theory · Computer Science 2025-06-10 Renjie He , Yiqiu Wang , Meixia Tao , Shu Sun

Integrated sensing and communication (ISAC) is widely recognized as a pivotal enabling technique for the advancement of future wireless networks. This paper aims to efficiently exploit the inherent sparsity of echo signals for the…

Information Theory · Computer Science 2024-01-01 Zichao Xiao , Rang Liu , Ming Li , Wei Wang , Qian Liu

This paper proposes a secure integrated sensing and communications (ISAC) framework for multi-user systems with multiple communication users (CUs) and adversarial targets, where the design problem is formulated to maximize secrecy rate…

Integrated sensing and communication (ISAC) is recognized as one of the key enabling technologies for sixth-generation (6G) wireless communication networks, facilitating diverse emerging applications and services in an energy and…

Information Theory · Computer Science 2025-03-04 Zehra Yigit , Ertugrul Basar

Traditional radar and integrated sensing and communication (ISAC) systems often approximate targets as point sources, a simplification that fails to capture the essential scattering characteristics for many applications. This paper presents…

Signal Processing · Electrical Eng. & Systems 2025-05-01 Baptiste Sambon , François De Saint Moulin , Guillaume Thiran , Claude Oestges , Luc Vandendorpe

Next-generation vehicular networks are expected to provide the capability of robust environmental sensing in addition to reliable communications to meet intelligence requirements. A promising solution is the integrated sensing and…

Signal Processing · Electrical Eng. & Systems 2023-11-28 Weijie Yuan , Lin Zhou , Saeid K. Dehkordi , Shuangyang Li , Pingzhi Fan , Giuseppe Caire , H. Vincent Poor

A simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS)-aided near-field integrated sensing, communication, and power transfer (ISCPT) framework is proposed. We formulate a robust harvested power…

Signal Processing · Electrical Eng. & Systems 2026-05-18 Zahra Rostamikafaki , Francois Chan , Claude D'Amours

This paper investigates a fluid antenna (FA) enhanced integrated sensing and communication (ISAC) system consisting of a base station (BS), multiple single-antenna communication users, and one point target, where the BS is equipped with FAs…

Signal Processing · Electrical Eng. & Systems 2024-07-09 Tian Hao , Changxin Shi , Yinghong Guo , Bin Xia , Feng Yang

As wireless systems evolve toward higher frequencies and extremely large antenna arrays, near-field (NF) propagation becomes increasingly dominant. Unlike far-field (FF) communication, which relies on a planar-wavefront model and is limited…

Signal Processing · Electrical Eng. & Systems 2025-12-22 Lin Chen , Ahmed Elzanaty , Mustafa A. Kishk , Ying-Jun Angela Zhang

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

Multivariate long-term time series forecasting is of great application across many domains, such as energy consumption and weather forecasting. With the development of transformer-based methods, the performance of multivariate long-term…

Machine Learning · Computer Science 2023-05-29 Zheng Sun , Yi Wei , Wenxiao Jia , Long Yu

Aiming at providing wireless communication systems with environment-perceptive capacity, emerging integrated sensing and communication (ISAC) technologies face multiple difficulties, especially in balancing the performance trade-off between…

Information Theory · Computer Science 2023-07-18 Xin Zhao , Heng Liu , Shiqi Gong , Xin Ju , Chengwen Xing , Nan Zhao

The enhancement of spectrum efficiency and the realization of secure spectrum utilization are critically dependent on spectrum cognition. However, existing spectrum cognition methods often exhibit limited generalization and suboptimal…

Signal Processing · Electrical Eng. & Systems 2025-08-12 Chunyu Liu , Hao Zhang , Wei Wu , Fuhui Zhou , Qihui Wu , Derrick Wing Kwan Ng , Chan-Byoung Chae