移动通信2026，Vol.50Issue(2)：26-34,9.DOI:10.3969/j.issn.1006-1010.20251130-0002
面向低空网络的信道知识地图构建与应用
Channel Knowledge Map Construction and Application towards Low-altitude Networks
摘要
Abstract
As a critical infrastructure supporting the development of the low-altitude economy,low-altitude networks face severe challenges in achieving reliable communication in complex propagation environments.Traditional channel knowledge maps(CKMs),primarily designed for terrestrial cellular networks,exhibit significant limitations in aerial and dynamic scenarios.This paper aims to systematically explore the construction methods of CKMs tailored for low-altitude networks.Firstly,the fundamental concepts and existing techniques of CKMs are reviewed.Subsequently,focusing on the multi-dimensional characteristics of low-altitude networks across frequency,spatial,and time domains,and considering specific application scenarios such as low-altitude vehicle-to-everything,uncrewed aerial vehicle swarm interference coordination,precise positioning/navigation,and network optimization,the paper proposes a hierarchical framework for constructing various CKMs.The construction methodologies and synergistic mechanisms of different types of maps are analyzed to highlight the principle of task-oriented map design.Finally,the paper provides an outlook on future research directions for low-altitude network CKMs,particularly in areas such as systematic hierarchical CKM construction and multi-modal data fusion.关键词
信道知识地图/低空网络/多模态数据融合/信道建模/射线追踪/深度学习Key words
channel knowledge map/low-altitude networks/multi-modal data fusion/channel modeling/ray-tracing/deep learning分类
信息技术与安全科学引用本文复制引用
胡泽杨,张泽中,游昌盛,王锐,贡毅..面向低空网络的信道知识地图构建与应用[J].移动通信,2026,50(2):26-34,9.基金项目
国家自然科学基金面上项目"面向超大规模MIMO的远近场混合传输关键技术"(62571227) （62571227）
国家自然基金联合基金重点项目"低空无人机智能通感控理论与关键技术研究"(U25A20389) （U25A20389）
国家自然科学基金青年科学基金项目"面向边缘智能的高效分布式学习理论与资源分配方法研究"(62401492) （62401492）
广东省基础与应用基础研究基金区域联合基金青年 基金项目"无线通信网络下的频谱地图联合感知研究"(2023A1515110425) （2023A1515110425）
深圳市重点项目"连续立体空间信道地图构建及传输系统优化理论研究"(JCYJ20241202125328038) （JCYJ20241202125328038）
