SDR-LoRa:在软件定义无线电上剖析和实现LoRa，以推进实验性物联网研究

Proceedings of the 16th ACM Workshop on Wireless Network Testbeds, Experimental evaluation & CHaracterization Pub Date : 2022-10-17 DOI:10.1145/3556564.3558239

F. Busacca, S. Mangione, I. Tinnirello, S. Palazzo, Francesco Restuccia

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引用次数: 0

摘要

在本文中，我们提出了SDR-LoRa，一个完整的SDR实现的LoRa发射器和接收器。首先，我们对LoRa物理层(PHY)功能进行逆向工程，包括数据包调制、解调和前导检测的过程。基于此分析，我们开发了LoRa PHY的第一个软件定义无线电(SDR)实现。此外，我们将LoRa与自动重复请求(ARQ)错误检测协议集成在一起。SDR-LoRa已经在(1)Colosseum无线信道模拟器上进行了验证;(ii)使用USRP无线电和商用现货(COTS)设备的真实测试平台。实验结果表明，SDR-LoRa的性能符合商用LoRa系统的要求。我们承诺分享SDR-LoRa代码的全部内容。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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SDR-LoRa: dissecting and implementing LoRa on software-defined radios to advance experimental IoT research

In this paper, we present SDR-LoRa, a full-fledged SDR implementation of a LoRa transmitter and receiver. First, we reverse-engineer the LoRa physical layer (PHY) functionalities, including the procedures of packet modulation, demodulation, and preamble detection. Based on this analysis, we develop the first Software Defined Radio (SDR) implementation of the LoRa PHY. Furthermore, we integrate LoRa with an Automatic Repeat Request (ARQ) error detection protocol. SDR-LoRa has been validated on (i) the Colosseum wireless channel emulator; and (ii) a real testbed with USRP radios and commercial-off-the-shelf (COTS) devices. Our experimental results demonstrate that the performance of SDR-LoRa is in line with commercial LoRa systems. We pledge to share the entirety of the SDR-LoRa code.

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Proceedings of the 16th ACM Workshop on Wireless Network Testbeds, Experimental evaluation & CHaracterization

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