在FANET中以速率分割为基础的资源配置:光束方向的联合优化,节点配对,功率和时间槽
Fukang Zhao1, Chuang Song2, Xu Li1
1School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, China.
Sensors (Basel, Switzerland)
|January 10, 2026
概括
本研究引入了一个新的资源分配框架,用于使用光束内速率分割的定向飞行特设网络 (FANET). 该方法显著减少了高容量,低延迟FANET通信的传输时间段和延迟.
科学领域:
- 无线通信网络是无线通信网络.
- 网络资源分配 网络资源分配
- 天线理论和应用.
背景情况:
- 带有阶段阵列天线的定向飞行特设网络 (FANET) 对于高容量,低延迟通信至关重要.
- 现有的资源分配方法,如传统的物理层多重访问 (CPMA) 和速率分割多重访问 (RSMA),由于基于束的调度约束,在优化定向FANET方面存在局限性.
- 在硬件约束下,光束方向,功率和时间间隔调度的联合优化是复杂的,并且在定向FANET中未得到充分探索.
研究的目的:
- 为定向FANET引入一个基于光束内速率分割的资源分配 (IBRSRA) 框架.
- 为了应对联合优化光束方向,节点配对,功率控制,调制和编码方案 (MCS) 选择以及时段调度的挑战.
- 为了最大限度地减少在定向FANET中传输数据所需的时间段的总数.
主要方法:
- 在定向FANET中制定联合资源分配的优化问题.
- 开发一个双阶段算法,结合贪的调度和连续凸近似 (SCA) 来解决混合整数非线性编程 (MINLP) 问题.
- 将受约束的速率分割 (CRS) 集成到光束内部资源分配设计中.
主要成果:
- 拟议的IBRSRA算法大大提高了光谱效率,并减少了通信延迟.
- 模拟结果显示,所需的传输时间段数量大幅减少.
- 对于16个节点的网络,IBRSRA与基线方案相比,将传输时间段缩短了42%以上.
结论:
- IBRSRA框架有效地优化了定向FANET中的资源配置.
- 整合受约束的速率分割 (CRS) 为定向FANET提供了显著的实际好处.
- 开发的算法为FANET中的复杂优化问题提供了计算效率高的解决方案.
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