通过同时多频带操作提高6 TiSCH可靠性和延迟
Improving 6TiSCH Reliability and Latency with Simultaneous Multi-Band Operation
摘要：
因特网工程任务组（IETF）组“IEEE 802.15.4e的TSCH模式上的IPv6”（6 TiSCH）引入了一种协议，该协议利用来自IEEE 802.15.4e的时隙信道跳变（TSCH），由于其高可靠性和时间确定性特性，实现了工业性能要求，同时提供了IP连接性的益处。这项工作提出了在6 TiSCH设备中添加第二个无线电接口，以在sub-GHz中操作并行网络，引入发射分集，同时受益于降低的路径损耗和减少的干扰。仿真结果表明，在不同的6 TiSCH网络场景中，分组交付率（PDR）提高了25%，延迟提高了近30%。
英文摘要：
The Internet Engineering Task Force (IETF) group "IPv6 over the TSCH mode of IEEE 802.15.4e" (6TiSCH) introduced a protocol, utilizing Time-Slotted Channel Hopping (TSCH) from IEEE802.15.4e due to its high reliability and time-deterministic characteristic, that achieves industrial performance requirements while offering the benefits of IP connectivity. This work proposes the addition of a second radio interface in 6TiSCH devices to operate a parallel network in sub-GHz, introducing transmit diversity while benefiting from decreased path-loss and reduced interference. Simulation results show an improvement of 25% in Packet Delivery Ratio (PDR) and closely to 30% in latency in different 6TiSCH networks scenarios.
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