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对于工业物联网的低延迟无线网络扩展
Michael Fletcher1, Eric Paulz1, Devin Ridge1
1Virginia Tech National Security Institute, Blacksburg, VA 24060, USA.
Sensors (Basel, Switzerland)
|April 13, 2024
概括
本研究介绍了一种硬件验证的无线方法,使用接收器分配的代码分割多重访问 (RA-CDMA) 来实现工业物联网 (IIoT) 网络的低延迟通信,从而实现实时关键消息传输.
科学领域:
- 计算机科学 计算机科学
- 电气工程 电气工程
- 网络工程 网络工程
背景情况:
- 工业物联网 (IIoT) 网络越来越需要实时,低延迟的通信来传递关键消息.
- 现有的无线协议在提供优先级,时间敏感的网络 (TSN) 功能方面面临挑战,原因是调度,运营商感应多重访问 (CSMA) 和加密等延迟问题.
- IIoT架构向无线边缘的迁移需要将TSN功能扩展到无线环境.
研究的目的:
- 开发和验证一种基于硬件的技术,用于IIoT网络中安全,低延迟的无线通信.
- 将时间敏感网络 (TSN) 原则扩展到无线 IIoT 环境中,确保快速传递关键消息.
- 为了克服优先流量的现有无线协议的延迟限制.
主要方法:
- 开发了一种基于接收器分配代码分割多重访问 (RA-CDMA) 的硬件验证的低延迟技术.
- 该技术在使用英特尔FPGA Arria 10平台的硬件原型上进行了实施和测试.
- 该系统的设计旨在为IIoT中的TSN类功能提供安全的无线扩展.
主要成果:
- 硬件原型展示了从12到224位的消息有效载荷的 (亚) 毫秒单跳延迟.
- 实现了低于1ms的单向传输时间,验证了低延迟性能.
- 结果证实了可靠的无线TSN扩展的可行性,与802.1Q和5G等有线标准相提并论.
结论:
- 拟议的RA-CDMA技术为IIoT中安全,低延迟的无线通信提供了可行的解决方案.
- 这种硬件验证的方法可以在无线IIoT网络中实现时间敏感网络 (TSN) 功能,满足关键的实时交付要求.
- 该系统为未来的IIoT应用要求高性能,可靠的无线连接提供了有希望的扩展.
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