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Channel knowledge map (CKM) is a promising technique that enables environment-aware wireless networks by utilizing location-specific channel prior information to improve communication and sensing performance. A fundamental problem for CKM…

Signal Processing · Electrical Eng. & Systems 2024-12-20 Shen Fu , Zijian Wu , Di Wu , Yong Zeng

The ability to construct channel knowledge map (CKM) with high precision is essential for environment awareness in 6G wireless systems. However, most existing CKM construction methods formulate the task as an image super-resolution or…

Signal Processing · Electrical Eng. & Systems 2025-12-15 Yunzhe Zhu , Xuewen Liao , Zhenzhen Gao , Linzhou Zeng , Yong Zeng

Channel knowledge map (CKM) is emerging as a critical enabler for environment-aware 6G networks, offering a site-specific database to significantly reduce pilot overhead. However, existing CKM construction methods typically rely on sparse…

Signal Processing · Electrical Eng. & Systems 2026-01-16 Le Zhao , Yining Wang , Xinyi Wang , Zesong Fei , Yong Zeng

Channel knowledge map (CKM) has emerged as a pivotal technology for environment-aware wireless communications and sensing, which provides a priori location-specific channel knowledge to facilitate network optimization. Efficient CKM…

Signal Processing · Electrical Eng. & Systems 2025-11-10 Zixiang Ren , Juncong Zhou , Jie Xu , Ling Qiu , Yong Zeng , Han Hu , Juyong Zhang , Rui Zhang

The efficient construction of accurate channel knowledge maps (CKMs) is crucial for unleashing the full potential of environment-aware wireless networks, yet it remains a difficult ill-posed problem due to the sparsity of available…

Information Theory · Computer Science 2026-01-13 Ziyu Huang , Yong Zeng , Shen Fu , Xiaoli Xu , Hongyang Du

Channel gain maps (CGMs) enable propagation-aware services in edge-intelligent wireless communication networks, while diffusion-based CGM construction is memory intensive for on-device training or adaptation. This letter proposes…

Signal Processing · Electrical Eng. & Systems 2026-04-14 Ruifeng Gao , Sen Li , Jue Wang , Qiuming Zhu , Shu Sun

Channel knowledge map (CKM) is an emerging technique to enable environment-aware wireless communications, in which databases with location-specific channel knowledge are used to facilitate or even obviate real-time channel state information…

Information Theory · Computer Science 2021-08-17 Kun Li , Peiming Li , Yong Zeng , Jie Xu

The advent of 6G wireless networks promises unprecedented connectivity, supporting ultra-high data rates, low latency, and massive device connectivity. However, these ambitious goals introduce significant challenges, particularly in channel…

Signal Processing · Electrical Eng. & Systems 2025-06-02 Xingchen Liu , Shu Sun , Meixia Tao , Aryan Kaushik , Hangsong Yan

The paradigm shift from environment-unaware communication to intelligent environment-aware communication is expected to facilitate the acquisition of channel state information for future wireless communications. Channel Fingerprint (CF), as…

Networking and Internet Architecture · Computer Science 2026-05-27 Zhenzhou Jin , Li You , Xiang-Gen Xia , Xiqi Gao

Accurate and efficient acquisition of wireless channel state information (CSI) is crucial to enhance the communication performance of wireless systems. However, with the continuous densification of wireless links, increased channel…

Signal Processing · Electrical Eng. & Systems 2025-07-09 Yuelong Qiu , Di Wu , Yong Zeng , Yanqun Tang , Nan Cheng , Chenhao Qi

With the increasing demand for real-time channel state information (CSI) in sixth-generation (6G) mobile communication networks, channel knowledge map (CKM) emerges as a promising technique, offering a site-specific database that enables…

Signal Processing · Electrical Eng. & Systems 2025-04-15 Zijian Wu , Di Wu , Shen Fu , Yuelong Qiu , Yong Zeng

Channel knowledge map (CKM) is viewed as a digital twin of wireless channels, providing location-specific channel knowledge for environment-aware communications. A fundamental problem in CKM-assisted communications is how to construct the…

Information Theory · Computer Science 2025-12-30 Wenjun Jiang , Xiaojun Yuan , Boyu Teng , Hao Wang , Jing Qian

Channel knowledge map (CKM) has emerged as a promising technique to leverage prior propagation knowledge in low-altitude wireless networks (LAWNs), yet state-of-the-art grid-based CKM construction methods struggle to support efficient LAWN…

Signal Processing · Electrical Eng. & Systems 2026-05-11 Le Zhao , Zesong Fei , Wenge Shi , Xinyi Wang , Jingxuan Huang , Jihao Luo , Yong Zeng

Channel knowledge map (CKM), which aims to directly reflect the intrinsic channel properties of the local wireless environment, is a novel technique for achieving environmentaware communication. In this paper, to alleviate the large…

Systems and Control · Electrical Eng. & Systems 2024-03-14 Zhuoyin Dai , Di Wu , Zhenjun Dong , Kun Li , Dingyang Ding , Sihan Wang , Yong Zeng

Environment-aware communication and sensing is one of the promising paradigm shifts towards 6G, which fully leverages prior information of the local wireless environment to optimize network performance. One of the key enablers for…

Information Theory · Computer Science 2024-10-11 Di Wu , Zijian Wu , Yuelong Qiu , Shen Fu , Yong Zeng

Channel knowledge map (CKM) has received widespread attention as an emerging enabling technology for environment-aware wireless communications. It involves the construction of databases containing location-specific channel knowledge, which…

Information Theory · Computer Science 2025-02-17 Zhenzhou Jin , Li You , Jue Wang , Xiang-Gen Xia , Xiqi Gao

Channel knowledge map (CKM) is a promising technique to achieve environment-aware wireless communication and sensing. Constructing the complete CKM based on channel knowledge observations at sparse locations is a fundamental problem for…

Image and Video Processing · Electrical Eng. & Systems 2026-04-27 Z. Chen , S. Fu , Y. Zeng , X. Xu , Z. Wei

The construction of channel gain map (CGM) is essential for realizing environment-aware wireless communications expected in 6G, for which a fundamental problem is how to predict the channel gains at unknown locations effectively by a finite…

Networking and Internet Architecture · Computer Science 2025-02-25 Jiayi Chen , Ruifeng Gao , Jue Wang , Shu Sun , Yi Wu

Channel knowledge map (CKM) is a promising paradigm shift towards environment-aware communication and sensing by providing location-specific prior channel knowledge before real-time communication. Although CKM is particularly appealing for…

Signal Processing · Electrical Eng. & Systems 2024-11-28 Zhuoyin Dai , Di Wu , Xiaoli Xu , Yong Zeng

Channel knowledge map (CKM) provides certain levels of channel state information (CSI) for an area of interest, serving as a critical enabler for environment-aware communications by reducing the overhead of frequent CSI acquisition.…

Signal Processing · Electrical Eng. & Systems 2025-06-30 Yancheng Wang , Wei Guo , Chuan Huang , Guanying Chen , Ye Zhang , Shuguang Cui
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