实时光子盲目干扰取消取消
Joshua C Lederman1, Weipeng Zhang2, Thomas Ferreira de Lima2,3
1Department of Electrical and Computer Engineering, Princeton University, Princeton, NJ, 08544, USA. jlederman@princeton.edu.
Nature communications
|December 11, 2023
概括
这项研究引入了毫米波 (mmWave) 设备的实时光子盲干扰取消系统. 新的FPGA-光子方法显著降低了延迟和功耗,以改善数据传输.
科学领域:
- 光子学 是一个光子学.
- 信号处理 信号处理
- 无线通信无线通信
背景情况:
- 毫米波 (mmWave) 设备通过同步数据流实现高数据速率.
- 干扰严重影响了毫米波系统中的数据传输.
- 现有的光子干扰取消系统存在高延迟和校准要求.
研究的目的:
- 演示实时光子盲干扰取消系统,延迟减少,不需要校准.
- 调查延迟,功耗和成功率之间的权衡.
- 为了验证使用子尼奎斯特采样来取消盲目干扰.
主要方法:
- 现场可编程门阵列 (FPGA) - 光子系统的实施.
- 开发和执行一个零校准控制算法.
- 验证nyquist亚采样技术的验证.
主要成果:
- 与之前的系统相比,实现了超过200倍的延迟减少.
- 启用了取消权重的次秒识别.
- 估计与数字方法相比,数字化和信号恢复的功率减少了74倍以上.
结论:
- 开发的FPGA光子系统为毫米波通信中的盲干扰取消提供了一种节能且低延迟的解决方案.
- 零校准控制和亚尼奎斯特采样是增强光子干扰取消系统的有效策略.
- 这项技术有可能显著提高无线通信系统的效率.
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