LoRaWAN链路层

Q3 Decision Sciences

Journal of ICT Standardization Pub Date : 2021-01-01 DOI:10.13052/jicts2245-800X.911

Olivier Seller

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引用次数: 2

摘要

LoRaWAN链路层规范[1]是一种用于物联网的通信协议。它的目标是使用未经许可的频谱进行低功率、远程、低成本的通信。网络拓扑是协作的，与蜂窝网络相比，这减少了很多协议信令。该设备连接到网络服务器，任何数据帧的协议开销都限制在13字节以内。操作分为三类。A类针对终端设备的低功耗操作进行了优化，而B类和C类则减少了下行链路延迟。协议规范提供了几种调整链路层参数的机制：自适应数据速率、自适应功率控制、可变重复率和信道选择。

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LoRaWAN Link Layer

The LoRaWAN Link Layer specification [1] is a communication protocol for the Internet of Things. It targets low power, long range, low cost communication using unlicensed spectrum. Network topology is collaborative, which reduces a lot protocol signalling compared to a cellular network. The device is connected to a network server, and protocol overhead is limited to 13 bytes for any data frame. There are three classes of operation. Class A is optimized for low power operation of end-devices, while class B and class C offer reduced downlink latency. The protocol specification offers several mechanisms to adjust the link layer parameters: adaptive data rate, adaptive power control, variable repetition rate, and channel selection.

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来源期刊

Journal of ICT Standardization Computer Science-Information Systems

CiteScore

2.20

自引率

0.00%

发文量