评估物联网蓝牙低功耗

Jonathan Fürst, Kaifei Chen, Hyung-Sin Kim, Philippe Bonnet
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引用次数: 14

摘要

低功耗蓝牙(BLE)是物联网边缘选择的短距离单跳协议。尽管BLE在手机到外设通信中越来越重要,但其智能手机系统的性能特征尚未得到很好的理解。和其他人一样,我们在基于BLE的以智能手机为中心的应用程序中遇到了各种不稳定的性能结果。在这些应用程序中,开发人员只能通过多层操作系统和硬件抽象来访问低级功能。我们为这样的系统提出了一个实验框架,用它我们在各种现代智能手机上进行实验。我们的评估表征了现有设备,并对外围设备参数设置提供了新的见解。我们表明,BLE性能在不同的方面有显著差异,这取决于SoC和操作系统,对应用程序有巨大影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evaluating Bluetooth Low Energy for IoT
Bluetooth Low Energy (BLE) is the short-range, single-hop protocol of choice for the edge of the IoT. Despite its growing significance for phone-to-peripheral communication, BLE's smartphone system performance characteristics are not well understood. As others, we experienced mixed erratic performance results in our BLE based smartphone-centric applications. In these applications, developers can only access low-level functionalities through multiple layers of OS and hardware abstractions. We propose an experimental framework for such systems, with which we perform experiments on a variety of modern smartphones. Our evaluation characterizes existing devices and gives new insight about peripheral parameters settings. We show that BLE performances vary significantly in non-trivial ways, depending on SoC and OS with a vast impact on applications.
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