Benchmarking of Narrowband LPWA Physical Layer Ranging Technologies

F. Wolf, Kévin Le Déroff, S. D. Rivaz, N. Deparis, F. Dehmas, J. Cances
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引用次数: 5

Abstract

Accurate radio signal based geolocalization for Low Power Wide Area networks is a key-enabler to various Internet of Things applications. However, localization with narrowband signals remains challenging in multipath environments. Sequential coherent multi-channel ranging improves temporal resolution while being compatible with narrowband transmissions. New radio chipsets integrate proprietary ranging functions. This paper compares a proof-of-concept implementation for coherent multi-channel ranging with narrowband signals to the Time-of-Flight ranging function of the LoRa 2.4GHz radio chip. Benchmarking results for different configurations and propagation scenarios are discussed, illustrating the precision scalability of multi-channel ranging.
窄带LPWA物理层测距技术的基准测试
基于精确无线电信号的低功耗广域网地理定位是实现各种物联网应用的关键。然而,在多路径环境下,窄带信号的定位仍然具有挑战性。时序相干多通道测距提高了时间分辨率,同时兼容窄带传输。新的无线电芯片组集成了专有的测距功能。本文将窄带信号相干多通道测距的概念验证实现与LoRa 2.4GHz无线电芯片的飞行时间测距功能进行了比较。讨论了不同配置和传播场景下的基准测试结果,说明了多通道测距的精度可扩展性。
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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