基于时空编码方案的B5G/6G网络的性能提升,辅助的是具有更高调制序的智能反射面
Mariam El-Hussien1,2, Bassant Abdelhamid2, Hesham Elbadawy3
1Electronics and Communications Department, Faculty of Engineering Science and Arts, Misr International University, Cairo 11828, Egypt.
Sensors (Basel, Switzerland)
|October 16, 2024
概括
智能反射表面 (IRS) 与使用正交时空块代码 (OSTBC) 的多输入单输出 (MISO) 系统相结合,显著提高了无线通信的可靠性. 这种集成提高了光谱效率,降低了位误差率,优于现有方法.
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:
- 第五代 (5G) 网络依赖智能反射表面 (IRS) 和多输入单输出 (MISO) 来提高性能.
- 色通道限制了光谱效率,需要像IRS这样的先进技术来优化信号传播.
- 通过使用多个天线,MISO系统可以提高数据速率和可靠性.
研究的目的:
- 提出和评估一个IRS辅助的MISO系统与正角时空块代码 (OSTBC) 集成.
- 为了提高通道可靠性和降低无线通信系统中的比特错误率 (BER).
- 为了研究OSTBC的传输多样性和IRS的信号噪声比率改进的联合好处.
主要方法:
- 开发一个IRS协助的MISO系统,采用OSTBC方案.
- 在各种调制方案中分析系统性能.
- 与现有出版作品进行比较评估,包括高阶调制和率 3⁄4 的 OSTBC 辅助 IRS.
主要成果:
- 拟议的系统通过结合OSTBC和IRS显著提高了性能.
- 取得的比特能量对噪声功率光谱密度 (Eb/No) 增长为7dB (16反射元件) 和13dB (64反射元件).
- 超越了之前的研究,特别是高阶调制方案和率3⁄4的OSTBC辅助IRS.
结论:
- 整合OSTBC与IRS在无线通信中提供了显著的性能提升.
- 这种方法有效地减轻了色通道效应,并提高了光谱效率.
- 拟议的系统代表了未来超越5G的无线网络的有希望的进步.
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