TY - Jour A2 - Fiaidhi,Jinan Au - Maneerat,KRIANGKRAI AU - KAEMARUNGSI,KAMOL PY - 2020 DA - 2020/12/28 TI - 蓝牙低能耗无线室内定位系统SP - 8891856 VL - 2020 AB- 无线室内定位系统的系统设计可以提供另一种基本方法,以实现所需的性能目标,除了使用合适的位置确定算法。此稿件调查了基于蓝牙的低能量(BLE)的无线室内定位系统以及系统设计参数的调整如何影响其位置确定性能。如果没有强调复杂的位置确定算法,这项工作提供了系统设计人员如何控制多个定位性能度量之间平衡的指导。例如,可以选择安装的参考节点的数量与精度性能之间的平衡来控制部署成本,例如安装费用,基础设施费用和安装时间。为了展示我们的基线研究,我们比较了基于接近,三边和场景分析的位置确定算法的BLE无线室内定位系统的三种不同设计。这些设计也超过了两种不同的建筑尺寸,这是中等和大的。设计模型和性能分析数据基于我们的实际实现BLE无线室内定位系统的硬件和软件系统。具体地,从我们的原型参考节点收集接收的信号强度指示数据。我们研究的结果表明,基于近距离的系统只能提供公平的定位精度性能(平均误差距离为5米到7米),使其不适合需要高精度的应用。 For medium location accuracy performance (average error distance of 3 m to 5 m), the trilateration-based system can achieve the highest efficiency in terms of number of installed reference nodes over the accuracy. The trilateration-based system can reduce the number of installed reference nodes by 154% to achieve the same level of accuracy as the scene analysis-based system. For good location accuracy performance (average error distance ≤ 3 m), the scene analysis-based system yields the highest scalability performance in terms of installed reference nodes. The scene analysis-based system can reduce the number of reference nodes by 40% and 113% to achieve the same accuracy performance when compared with trilateration and proximity-based systems, respectively. Finally, the validation results from the actual installation of Bluetooth-based indoor positioning systems confirmed that our proposed framework can help the system designers to achieve the required performance goal. SN - 1574-017X UR - https://doi.org/10.1155/2020/8891856 DO - 10.1155/2020/8891856 JF - Mobile Information Systems PB - Hindawi KW - ER -