在单用户大规模MIMO系统中,用于CSI反的FT-based角压缩.
Felipe Vico1, Helen Urgelles1, Jose F Monserrat1
1Universitat Politècnica de València- iTEAM, 46022 Valencia, Spain.
Sensors (Basel, Switzerland)
|August 14, 2025
概括
本研究介绍了一种角度域传输方法,以克服大规模MIMO系统中的挑战. 这种方法减少了反和复杂性,为未来的无线网络提供更高的数据速率.
科学领域:
- 无线通信工程 无线通信工程
- 信号处理 信号处理
- 信息理论 信息理论
背景情况:
- 大规模的MIMO (多输入多输出) 对于无线网络的高光谱效率至关重要.
- 大规模MIMO中不断增加的天线数量在通道状态信息 (CSI) 反和计算负载方面带来了重大挑战.
- 现有的时间频域方法与大规模天线系统的可扩展性和开销性作斗争.
研究的目的:
- 为大规模的MIMO系统提出和评估一种新的角度域传输方法.
- 解决大型MIMO中传统CSI反和计算复杂性的局限性.
- 为下一代无线通信标准增强大规模MIMO的可行性.
主要方法:
- 开发了一个基于投影的转换,从时间频域转移到角域.
- 在角域中利用了巨大的MIMO通道固有的稀疏性.
- 映射的数据流向物理路径或射线使用角域表示.
主要成果:
- 显著降低了信号开销和系统复杂度.
- 在道状态信息反要求方面取得了实质性的下降.
- 通过模拟和经验研究验证了支持Tera-bps数据速率的潜力.
- 展示了超大规模MIMO的可扩展设计可能性.
结论:
- 拟议的角域传输方法有效地解决了大规模MIMO中的关键挑战.
- 这种技术为未来无线网络中高效且可扩展的大规模MIMO部署提供了有希望的解决方案.
- 角域策略对于实现超大规模MIMO系统的全部潜力至关重要.
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