Long Range-Frequency Hopping Spread Spectrum (LR-FHSS) is the new physical layer designed to address extremely long-range and large-scale communication scenarios, such as satellite IoT. At its core is a fast frequency hopping technique designed to offer higher network capacity while offering the same radio link budget as LoRa. Additionally, LR-FHSS finely manages packet transmission thanks to its design principles, enabling QoS policies on a per-packet basis. Given the notorious adoption of LoRaWAN in the IoT application landscape, this article is a reference for understanding how exactly LR-FHSS works, the performance it can offer, and its limitations and research opportunities.
翻译：长距离移动频谱谱谱谱(LR-FHSS)是新的物理层,旨在处理超长距离和大规模通信情景,如卫星IoT。 其核心是一种快速频率选择技术,旨在提供更高的网络能力,同时提供与LoRa相同的无线电连接预算。此外,LR-FHSS根据其设计原则精细管理包件传输,使QOS政策能够在每包的基础上实施。鉴于在IoT应用中臭名昭著地采用了LoRaWAN,这一条是了解LR-FHSS如何运作、它能够提供的业绩及其局限性和研究机会的参考。
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