摘要
针对目前车联网存在的频谱资源有限、无线链路不可靠、信息安全等问题,提出了一种面向6G的空地协同车联网架构,并在此基础上对V2I与V2V混合传输机制展开研究。首先在考虑V2I链路速率需求、V2V链路可靠性以及车联网物理层安全的基础上,建模了以V2I链路速率和最大化为目标的信道与功率分配问题;然后利用匈牙利算法和粒子群优化算法对所建模的问题进行迭代求解;最后通过仿真结果证明了该设计方案的有效性。
In view of the problems existing in the current Internet of Vehicles(IoV), such as limited spectrum resources, unreliable wireless links, and information security, this paper proposes a 6G-oriented architecture of air-ground collaborative IoV, and investigates the hybrid transmission mechanism between vehicle to infrastructure(V2I) and vehicle to vehicle(V2V) based on the proposed architecture. Firstly, this paper considers V2I link rate requirements, V2V link reliability and the physical layer security in IoV, and formulates a channel and power allocation problem that maximizes the V2I links sum rate. Then, according to the Hungarian algorithm and the particle swarm optimization algorithm, the formulated problem is solved iteratively. Finally, simulation results show the effectiveness of the proposed solution.
作者
何亦昕
王大伟
黄方慧
张若南
HE Yixin;WANG Dawei;HUANG Fanghui;ZHANG Ruonan(School of Electronics and Information,Northwestern Polytechnical University,Xi’an 710129,China;Research&Development Institute of Northwestern Polytechnical University in Shenzhen,Shenzhen,518057,China)
出处
《移动通信》
2022年第6期24-30,共7页
Mobile Communications
基金
国家重点研发计划项目(2020YFB1807003)
国家自然科学基金项目(61901379,62171385)
陕西省重点研发计划(2022KW-07)
深圳市科技基础研究(面上项目)(JCYJ20190806160218174)。
关键词
6G
空地协同车联网
V2I与V2V混合传输
信道分配
功率分配
6G
air-ground collaborative IoV
hybrid transmission between V2I and V2V
channel allocation
power allocation
