在5G网络和超越的5G网络中为非直角多重访问提供联合功率和通道分配
Qusay Alghazali1, Husam Al-Amaireh1, Tibor Cinkler1,2,3
1Faculty of Electrical Engineering and Informatics, Budapest University of Technology and Economics (BME), 1117 Budapest, Hungary.
Sensors (Basel, Switzerland)
|October 14, 2023
概括
这项研究提高了使用非直角多重接入 (NOMA) 的无线系统的光谱效率. 它引入了新的通道用户排序和填充 (CUSF) 和分数传输功率控制 (FTPC) 算法,以实现最佳的通道和功率分配.
科学领域:
- 无线通信系统无线通信系统
- 信号处理 信号处理
- 信息理论 信息理论
背景情况:
- 频谱效率对于无线系统至关重要.
- 非直角多重接入 (NOMA) 通过允许用户共享频谱资源来提高频谱效率.
- 最佳的通道和功率分配是正角频率分割多个接入NOMA (OFDMA-NOMA) 中的关键挑战.
研究的目的:
- 为OFDMA-NOMA系统中联合通道和功率分配提出一种新的解决方案.
- 为了提高光谱效率和整体系统性能.
主要方法:
- 一个新的算法,道用户排序和填充 (CUSF),被引入用于道用户分配.
- 电力分配是通过两个步骤来解决的:应用水填充算法,然后应用分数传输功率控制 (FTPC) 算法.
主要成果:
- 拟议的CUSF算法有效地根据道条件将用户分配给道.
- 水填充和FTPC的组合优化了NOMA用户的电力分配.
- 综合方法显著提高了OFDMA-NOMA系统的光谱效率.
结论:
- 开发的通道和功率分配策略对于OFDMA-NOMA系统是有效的.
- 拟议的算法有助于实现更高的频谱效率和更好的资源利用.
- 这项工作为优化基于NOMA的无线通信提供了有价值的框架.
相关概念视频
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By substituting the entire circuit with...
By substituting the entire circuit with...
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