Ultrasound Time of Flight based positioning using the Bluetooth Low Energy protocol

2019 IEEE International Symposium on Measurements & Networking (M&N) Pub Date : 2019-07-01 DOI:10.1109/IWMN.2019.8805003

A. Comuniello, A. D. Angelis, G. D. Angelis, A. Moschitta

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引用次数: 4

Abstract

In this paper, application of the Bluetooth Low Energy (BLE) protocol is investigated, with the aim of achieving time-synchronization for Time of flight (ToF) measurements-based positioning. The proposed approach may provide a competitive solution for portable and wearable devices, medical devices, home automation systems, and sensor-based low-power systems for the Internet of Things (IoT). A simulation model was implemented for a 2D scenario using ToF measurements, considering a delay model and simulating an Additive White Gaussian Noise (AWGN) channel. The communication latencies were realistically modeled, using a dataset of measurements collected from a real device. The results show an achievable positioning accuracy of about 1 mm, significantly improving with respect to an unsynchronized Time Difference of Arrival (TDoA) positioning system, supervised using a BLE protocol [1]. The results demonstrate the feasibility of accurate and low-cost positioning systems, based on ToF measurements on ultrasound transmissions and triggered by BLE RF transmissions.

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使用低功耗蓝牙协议的超声波飞行时间定位

本文研究了蓝牙低功耗(BLE)协议的应用，目的是实现基于飞行时间(ToF)测量的定位时间同步。所提出的方法可能为便携式和可穿戴设备、医疗设备、家庭自动化系统和基于传感器的物联网低功耗系统提供有竞争力的解决方案。利用ToF测量实现了二维场景的仿真模型，考虑了延迟模型并模拟了加性高斯白噪声(AWGN)信道。使用从真实设备收集的测量数据集，对通信延迟进行了实际建模。结果表明，相对于使用BLE协议进行监督的非同步到达时差(TDoA)定位系统，该方法可实现约1 mm的定位精度，显著提高[1]。结果表明，基于超声传输的ToF测量，并由BLE射频传输触发的精确和低成本定位系统是可行的。

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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2019 IEEE International Symposium on Measurements & Networking (M&N)

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