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增强短包通信:BLER性能在RIS辅助的环境反向散射NOMA系统中

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此摘要是机器生成的。

本研究分析了可重配置的智能表面辅助环境反射传播在非对角多重访问下. 这项研究为优化超可靠的低延迟网络的短包通信提供了新的框架.

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科学领域:

  • 无线通信网络是无线通信网络.
  • 信号处理 信号处理
  • 信息理论是信息理论.

背景情况:

  • 短包通信 (SPC) 对于先进的无线系统中超可靠的低延迟通信 (URLLC) 至关重要.
  • 可重新配置的智能表面 (RIS) 和环境反射传播 (AmBC) 为增强无线网络提供了有前途的解决方案.
  • 非直角多重接入 (NOMA) 是提高光谱效率的关键技术.

研究的目的:

  • 在 NOMA 框架内调查 RIS 辅助 AmBC 系统的区块错误率 (BLER) 性能.
  • 在Nakagami-m色环境中获得平均和非对称BLER的闭式表达式.
  • 使用功率域NOMA和RIS辅助反射,优化对直接和反射链路的信号接收.

主要方法:

  • 对BLER的封闭式表达式的导数.
  • 在Nakagami-m色通道中分析系统性能.
  • 利用功率域NOMA和RIS辅助反射进行信号优化.

主要成果:

  • 在BLER降低方面显示出显著的性能增长.
  • 观察到系统吞吐量有所改善.
  • 通过数值和蒙特卡洛模拟验证分析结果.

结论:

  • 在RIS辅助的AmBC-NOMA系统显示了URLLC应用中高效SPC的潜力.
  • 拟议的框架提高了频谱效率和通信可靠性.
  • 衍生出的BLER表达式为系统设计和性能评估提供了宝贵的见解.