English
Related papers

Related papers: Towards Environment-Aware 6G Communications via Ch…

200 papers

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 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) 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 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) 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

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

Semantic knowledge bases are regarded as a promising technology for upcoming 6G communications. However, existing studies mainly focus on source-side semantic modeling while overlooking the structural impact of propagation environments on…

Information Theory · Computer Science 2026-04-08 Xudong Long , Hao Chen , Dan Wang , Chen Qiu , Nan Ma , Xiaodong Xu , Yubin Zhao

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

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

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) has recently emerged to facilitate the placement and trajectory optimization for unmanned aerial vehicle (UAV) communications. This paper investigates a CKM-assisted multi-UAV wireless network, by focusing on the…

Information Theory · Computer Science 2022-07-06 Haoyun Li , Peiming Li , Jie Xu , Junting Chen , Yong Zeng

To alleviate the pilot and CSI-feedback burden in 6G, channel knowledge map (CKM) has emerged as a promising approach that predicts CSI solely from user locations. Nevertheless, accurate location information is rarely available in current…

Signal Processing · Electrical Eng. & Systems 2026-03-18 Kequan Zhou , Guangyi Zhang , Hanlei Li , Yunlong Cai , Guanding Yu

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

The Channel Knowledge Map (CKM) maps position information to channel state information, leveraging environmental knowledge to reduce signaling overhead in sixth-generation networks. However, constructing a reliable CKM demands substantial…

Computational Engineering, Finance, and Science · Computer Science 2025-12-18 Ting Wang , Chiya Zhang , Chang Liu , Zhuoyuan Hao , Rubing Han , Weizheng Zhang , Chunlong He

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 knowledge map (CKM) is a promising paradigm for environment-aware communications by establishing a deterministic mapping between physical locations and channel parameters. Existing CKM construction methods focus on quasi-static…

Information Theory · Computer Science 2025-12-30 Wenjun Jiang , Xiaojun Yuan , Chenchen Liu , Boyu Teng

Intelligent reflecting surface (IRS)-aided communication is a promising technology for beyond 5G (B5G) systems, to reconfigure the radio environment proactively. However, IRS-aided communication in practice requires efficient channel…

Information Theory · Computer Science 2021-11-23 Dingyang Ding , Di Wu , Yong Zeng , Shi Jin , Rui Zhang

Channel knowledge map (CKM) is a novel technique for achieving environment awareness, and thereby improving the communication and sensing performance for wireless systems. A fundamental problem associated with CKM is how to construct a…

Signal Processing · Electrical Eng. & Systems 2024-11-15 Shiyu Wang , Xiaoli Xu , Yong Zeng

In the sixth generation (6G) wireless communication networks, the device density, antenna number, and the complexity of communication scenarios will significantly increase, which brings great challenges for system design and network…

Signal Processing · Electrical Eng. & Systems 2026-04-17 Tianrun Qi , Cheng-Xiang Wang , Chen Huang , Jiayue Shi , Junling Li , Shuaifei Chen , El-Hadi M. Aggoune

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