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Related papers: Channel Knowledge Map (CKM)-Assisted Multi-UAV Wir…

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Cellular-connected unmanned aerial vehicles (UAVs) are expected to play an increasingly important role in future wireless networks. To facilitate the reliable navigation for cellular-connected UAVs, channel knowledge map (CKM) is considered…

Information Theory · Computer Science 2025-12-09 Yuxuan Song , Haiquan Lu , Chiya Zhang , Beixiong Zheng , 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

When Unmanned Aerial Vehicles (UAVs) perform high-precision communication tasks, such as searching for users and providing emergency coverage, positioning errors between base stations and users make it challenging to deploy trajectory…

Signal Processing · Electrical Eng. & Systems 2025-12-18 Chiya Zhang , Ting Wang , Chunlong He

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

This paper studies a multi-UAV wireless network, in which multiple UAV users share the same spectrum to send individual messages to their respectively associated ground base stations (GBSs). The UAV users aim to optimize their locations to…

Information Theory · Computer Science 2022-03-14 Haoyun Li , Peiming Li , Jie Xu , Junting Chen , Yong Zeng

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

Channel knowledge map (CKM) emerges as a promising framework to acquire location-specific channel information without consuming wireless resources, creating new horizons for advanced wireless network design and optimization. Despite its…

Information Theory · Computer Science 2025-12-01 Xu Shi , Haohan Wang , Yashuai Cao , Hengyu Zhang , Sufang Yang , Jintao Wang

Channel knowledge map (CKM) is a promising technology to enable environment-aware wireless communications and sensing. Link state map (LSM) is one particular type of CKM that aims to learn the location-specific line-of-sight (LoS) link…

Information Theory · Computer Science 2024-09-04 Yuhang Yang , Xiaoli Xu , Yong Zeng , Haijian Sun , Rose Qingyang Hu

Unmanned Aerial Vehicles (UAVs) are increasingly utilized in wireless communication, yet accurate channel loss prediction remains a significant challenge, limiting resource optimization performance. To address this issue, this paper…

Artificial Intelligence · Computer Science 2025-05-14 Chiya Zhang , Ting Wang , Rubing Han , Yuanxiang Gong

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) 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 channel knowledge map (CKM) enables efficient construction of high-fidelity mapping between spatial environments and channel parameters via electromagnetic information analysis. Nevertheless, existing studies are largely confined to…

Signal Processing · Electrical Eng. & Systems 2025-11-26 Haohan Wang , Xu Shi , Hengyu Zhang , Yashuai Cao , Sufang Yang , Jintao Wang , Kaibin Huang

This paper introduces a novel channel knowledge map (CKM)-assisted dual-domain tracking and predictive beamforming scheme for high-mobility wireless networks. The central premise is that the CKM integrates both the coordinate and beam…

Signal Processing · Electrical Eng. & Systems 2026-01-22 Ruolin Du , Zhiqiang Wei , Zai Yang , Lei Yang , Yong Zeng , Derrick Wing Kwan Ng , Jinhong Yuan

Channel knowledge map (CKM) is a promising technology to enable environment-aware wireless communications and sensing with greatly enhanced performance, by offering location-specific channel prior information for future wireless networks.…

Signal Processing · Electrical Eng. & Systems 2025-04-25 Shen Fu , Yong Zeng , Zijian Wu , Di Wu , Shi Jin , Cheng-Xiang Wang , Xiqi Gao

This article proposes the concept of channel knowledge map (CKM) as an enabler towards environment-aware wireless communications. CKM is a site-specific database, tagged with the locations of the transmitters and/or receivers, that contains…

Information Theory · Computer Science 2020-07-21 Yong Zeng , Xiaoli Xu

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

Driven by the recent advancement in unmanned aerial vehicle (UAV) technology, this paper proposes a new wireless network architecture of \emph{coordinate multipoint (CoMP) in the sky} to harness both the benefits of interference mitigation…

Information Theory · Computer Science 2018-03-01 Liang Liu , Shuowen Zhang , Rui Zhang

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

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
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