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相关论文: A Tutorial on Environment-Aware Communications via…

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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…

网络与互联网体系结构 · 计算机科学 2025-02-25 Jiayi Chen , Ruifeng Gao , Jue Wang , Shu Sun , Yi Wu

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…

信息论 · 计算机科学 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…

信号处理 · 电气工程与系统科学 2024-11-28 Zhuoyin Dai , Di Wu , Xiaoli Xu , Yong Zeng

Channel knowledge map (CKM) has been recently proposed to enable environment-aware communications by utilizing historical or simulation generated wireless channel data. This paper studies the construction of one particular type of CKM,…

信息论 · 计算机科学 2023-12-13 Xiaoli Xu , 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.…

信号处理 · 电气工程与系统科学 2025-04-25 Shen Fu , Yong Zeng , Zijian Wu , Di Wu , Shi Jin , Cheng-Xiang Wang , Xiqi Gao

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…

信息论 · 计算机科学 2025-12-30 Wenjun Jiang , Xiaojun Yuan , Boyu Teng , Hao Wang , Jing Qian

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…

信号处理 · 电气工程与系统科学 2026-03-18 Kequan Zhou , Guangyi Zhang , Hanlei Li , Yunlong Cai , Guanding Yu

The advancement of advanced air mobility (AAM) in recent years has given rise to the concept of low-altitude economy (LAE). However, the diverse flight activities associated with the emerging LAE applications in urban scenarios confront…

信号处理 · 电气工程与系统科学 2025-04-18 Yonghao Wang , Ruoguang Li , Di Wu , Jiaqi Chen , Yong Zeng

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…

信息论 · 计算机科学 2021-11-23 Dingyang Ding , Di Wu , Yong Zeng , Shi Jin , Rui Zhang

Channel Knowledge Map (CKM) is an emerging data-driven toolbox that captures our awareness of the wireless channel and enables efficient communication and resource allocation beyond the state of the art. In this work, we consider CKM for…

信号处理 · 电气工程与系统科学 2025-08-20 Ladan Khaloopour , Matthias Hollick , Vahid Jamali

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…

信号处理 · 电气工程与系统科学 2025-02-25 Chaoyue Zhang , Zhiwen Zhou , Xiaoli Xu , Yong Zeng , Zaichen Zhang , Shi Jin

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…

信息论 · 计算机科学 2026-04-08 Xudong Long , Hao Chen , Dan Wang , Chen Qiu , Nan Ma , Xiaodong Xu , Yubin Zhao

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…

计算工程、金融与科学 · 计算机科学 2025-12-18 Ting Wang , Chiya Zhang , Chang Liu , Zhuoyuan Hao , Rubing Han , Weizheng Zhang , Chunlong He

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…

信息论 · 计算机科学 2025-02-17 Zhenzhou Jin , Li You , Jue Wang , Xiang-Gen Xia , Xiqi Gao

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…

信息论 · 计算机科学 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…

信息论 · 计算机科学 2025-12-30 Wenjun Jiang , Xiaojun Yuan , Chenchen Liu , Boyu Teng

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…

信号处理 · 电气工程与系统科学 2024-11-15 Shiyu Wang , Xiaoli Xu , Yong Zeng

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…

信息论 · 计算机科学 2022-07-06 Haoyun Li , Peiming Li , Jie Xu , Junting Chen , Yong Zeng

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…

信号处理 · 电气工程与系统科学 2026-01-22 Ruolin Du , Zhiqiang Wei , Zai Yang , Lei Yang , Yong Zeng , Derrick Wing Kwan Ng , Jinhong Yuan

As of today, the fifth generation (5G) mobile communication system has been rolled out in many countries and the number of 5G subscribers already reaches a very large scale. It is time for academia and industry to shift their attention…

信号处理 · 电气工程与系统科学 2021-03-11 Wei Jiang , Bin Han , Mohammad Asif Habibi , Hans Dieter Schotten