120 Gbit/s PDM-16QAM 太赫兹信号超过 850 m 使用 2 × 2 MIMO 链接和先进的 DSP
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|July 1, 2025
概括
研究人员开发了一个太赫兹 (THz) 通信系统,在850米以上实现120Gbit/s,克服了环境限制. 这一突破为6G时代推进了高容量,远距离的无线通信.
科学领域:
- 光子学和无线通信技术
- 特拉赫兹 (THz) 技术技术
- 数字信号处理 数字信号处理
背景情况:
- 太赫兹 (THz) 通信系统面临着无线范围和数据容量的限制,原因是大气衰减,水吸收和光电转换效率低下.
- 户外环境挑战显著影响300 GHz以上运行的基于光子的THz通信系统的性能.
研究的目的:
- 为了证明一个超越环境限制的高容量,远程THz通信系统.
- 为了实现无线THz通信的创纪录速率距离产品.
主要方法:
- 开发和实施双通道2x2多输入多输出 (MIMO) 系统.
- 采用极化分割复杂化16ary正方形振幅调制 (PDM-16QAM) 进行信号传输.
- 使用先进的数字信号处理 (DSP) 技术.
主要成果:
- 实现了创纪录的120 Gbit/s信号传输在300 GHz的无线距离850米的无线距离.
- 证明了全球最大的速率距离 (R-D) 产品,为88,655 Gbit/s*m.
- 成功克服了影响THz通信的户外环境挑战.
结论:
- 开发的系统代表了朝着高容量 (100Gbit/s以上) 千米级THz波通信的重大进步.
- 这项研究为未来6G回程无线网络的低成本基本通信系统技术提供了基础.
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