Chinese Journal on Internet of Things ›› 2020, Vol. 4 ›› Issue (1): 19-32.doi: 10.11959/j.issn.2096-3750.2020.00155
Special Issue: 6G
• Topic:IoT and 6G • Previous Articles Next Articles
Chengxiang WANG1,2(),Jie HUANG1,2,Haiming WANG2,3,Xiqi GAO1,2,Xiaohu YOU1,2,Yang HAO4
Revised:
2020-03-01
Online:
2020-03-30
Published:
2020-03-28
Supported by:
CLC Number:
Chengxiang WANG, Jie HUANG, Haiming WANG, Xiqi GAO, Xiaohu YOU, Yang HAO. 6G oriented wireless communication channel characteristics analysis and modeling[J]. Chinese Journal on Internet of Things, 2020, 4(1): 19-32.
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面向6G的无线信道 | 频段 | 场景 | 信道特性 |
毫米波/太赫兹信道 | 26 GHz/28 GHz、32 GHz、38 GHz/39 GHz、60 GHz、73 GHz(毫米波),300 GHz左右(太赫兹) | 室内、室外 | 大信道带宽,高定向性,大路径损耗,阻挡效应,大气衰减,漫散射 |
光波段信道 | 380~780 nm | 室内、室外、地下、水下 | 不同材料的复杂散射特性,收发端非线性光电特性,背景噪声 |
卫星通信信道 | Ku、K、Ka、V波段 | 静止轨道、低/中/高轨道 | 雨/雪/云/雾衰减,极大的多普勒频移信道与多普勒扩展,大覆盖范围,长通信距离 |
无人机通信信道 | 2 GHz、2.4 GHz、5.8 GHz | 市区、郊区、农村、开阔场景(空—空与空—地) | 三维任意轨迹(大俯仰角),高移动性,空时非平稳性,机架阴影衰落 |
海洋通信信道 | 2.4 GHz、5.8 GHz | 无人机—船、船—船、船—岸基 | 散射体稀疏性,海浪运动影响,海洋表面波导效应,时变非平稳,长通信距离,气候影响 |
水声信道 | 2~32 kHz | 水下环境 | 大传输损耗,多径传播,时变非平稳,多普勒频移 |
高铁/车对车通信信道 | 6 GHz以下,毫米波 | 开阔场景、山地、高架桥、隧道、路堑、车站、车厢内部(高铁)、高速公路、市区街道、开阔场景、校园、停车场(车对车) | 大多普勒频移与多普勒扩展,非平稳性,列车/车辆影响,速度与轨迹变化 |
大规模/超大规模天线信道 | 6 GHz以下,毫米波,太赫兹 | 室内、室外 | 空间非平稳,信道硬化,球面波 |
轨道角动量信道 | 毫米波 | 直射、非直射(反射) | 复用增益,波束发散与失准,反射场景性能下降 |
工业物联网信道 | 6 GHz以下 | 工业物联网场景 | 变化的路径损耗,随机波动,非直射传播,散射体丰富,多移动性 |
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面向6G的无线信道 | 信道模型 |
毫米波/太赫兹信道 | 确定性:射线追踪模型、基于地图的模型、点云模型、准确定性模型 |
光波段信道 | 随机性:SV模型、传播图模型、几何随机信道模型确定性:递归模型、迭代模型、DUSTIN算法、天花板反射模型、几何确定信道模型 |
卫星通信信道 | 随机性:几何随机信道模型、非几何随机信道模型雨/云/雪/雾衰减模型、马尔可夫模型、几何随机信道模型 |
无人机通信信道 | 确定性:射线追踪模型、分析性模型随机性:规则形状几何随机信道模型、非规则形状几何随机信道模型、非几何随机信道模型、马尔可夫模型 |
海洋通信信道 | 确定性:射线追踪模型、两径模型、三径模型随机性:几何随机信道模型、两径衍射功率模型 |
水声信道 | 确定性:射线追踪模型随机性:瑞利/莱斯/对数正态分布模型 |
高铁/车对车通信信道 | 确定性:射线追踪模型随机性:几何随机信道模型、QuaDRiGa模型、动态模型、马尔可夫模型、传播图模型 |
大规模/超大规模天线信道 | 几何随机信道模型 |
轨道角动量信道 | 暂无 |
工业物联网信道 | 路径损耗模型 |
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