在D2D 5G上游链路中通过非直角凸优化取消干扰的新方法
Min Zhu1, Ping Guo2, Xianghua Liu3
1College of Information Science and Technology, Zhejiang Shuren University, Hangzhou, 310015, China. zhumin@zjsru.edu.cn.
Scientific reports
|February 28, 2025
概括
本研究引入了一个非直角凸凸优化问题 (NCOP),以减少5G设备对设备 (D2D) 通信中的干扰. NCOP技术增强了干扰取消,并优化了用于上链传输的通道重新分配.
科学领域:
- 电信工程 电信工程 电信工程
- 无线通信系统无线通信系统
- 优化理论 优化理论
背景情况:
- 5G网络需要集成的设备连接和高容量,导致由于用户的巨大需求而导致设备对设备 (D2D) 上联通道的干扰.
- 在5G环境中,无线电资源分配面临的挑战是D2D上链通信之间的干扰.
研究的目的:
- 解决5G异质通信模式中的D2D上联通道自我干扰的问题.
- 开发和分析用于干扰取消和频道重新分配的非对角凸凸优化问题 (NCOP).
主要方法:
- 该研究使用非直角凸优化问题 (NCOP) 来识别自我干扰取消的机会.
- 干扰和非干扰分配被分类,并且基于干扰水平的频道重新分配被建模为NCOP.
- 凸起式优化用于分析分配/重新分配之前和之后的干扰水平,计算干扰取消趋同.
主要成果:
- 拟议的NCOP技术有效地分类干扰和非干扰分配.
- 在凸优化下进行的分析表明,对于上链设备的干扰取消趋同.
- 在SNR=45dBm时,NCOP减少了12.4%的频道重新分配,并增加了9.24%的干扰取消.
结论:
- 在D2D上游链路中,通过非凸通道分配和切换机制实现自我干扰取消.
- 通过使5G特征与D2D上网连接共存以减轻干扰,NCOP方法改善了通道分配.
- 这些发现突显了NCOP在提高5G D2D网络中的频道重新分配和干扰取消等性能指标方面的有效性.
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