概括
这项研究通过使用多输入多输出 (MIMO) 和多样性技术来提高连贯的太赫兹 (THz) 通信性能,以克服大气挑战. 结果显示了比特错误率和中断概率之间的正相关性,指导了未来的THz系统开发.
科学领域:
- 无线通信无线通信
- 特拉赫兹技术的技术.
- 信号处理 信号处理
背景情况:
- 一致的太赫兹 (THz) 通信提供高带宽和低能耗,但面临大气衰减和干扰.
- 单输入单输出系统在复杂的环境中是有限的,需要先进的通信框架.
研究的目的:
- 使用MIMO建立一个连贯的THz通信框架,以提高复杂环境中的性能.
- 分析大气动荡的影响,并得出SNR,BER和OP等性能指标.
主要方法:
- 开发了一个连贯的THz通信框架,具有MIMO配置.
- 模拟非视线传播,并使用alpha-mu流模型获得SNR表达式.
- 对于最大比率组合 (MRC) 和等效组合 (EGC) 多样性技术的衍生BER和中断概率表达式.
主要成果:
- 在alpha-mu流下考虑静态和随机衰减的SNR表达式.
- 对MRC和EGC多样性技术计算的BER和中断概率.
- 量化分析了调制参数,通道数量,距离和光束宽度对BER和OP的影响.
结论:
- 一致的THz通信性能通过MIMO和多样性技术得到增强.
- 比特错误率的性能与研究系统中断概率正相关.
- 这些发现为THz通信系统的未来研究和开发提供了宝贵的指导.
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