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Surveyors use Global Positioning System (GPS) technology to measure the precise location and elevation of points on Earth. In a recent survey, GPS receivers were used to determine the coordinates and elevations of two park monuments. The process involved careful mission planning, data collection, and correction to ensure accuracy. The survey began with mission planning to identify optimal satellite visibility and minimize Position Dilution of Precision (PDOP). A geodetic control point...
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基于BLE的定制设备用于环境辅助生活系统的室内定位:设计和原型设计.

David Díaz-Jiménez1, José L López Ruiz1, Juan Carlos Cuevas-Martínez2

  • 1Computer Science Department, University of Jaén, 23071 Jaén, Spain.

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概括

研究人员开发了两个可重新配置的蓝牙低能耗 (BLE) 设备,一个智能腕带和一个可配置的信标,为物联网应用提供了增强的数据控制和能源效率. 这些设备提供延长电池寿命和可靠的数据传输,适合环境辅助生活.

关键词:
这就是为什么GATT是GATT,GATT是GATT.泽菲尔 (Zephyr) 的RTOS是什么蓝牙低能耗 蓝牙低能耗雾计算 雾计算 雾计算室内局部化 室内局部化可重新配置的系统.可穿戴设备可穿戴设备.

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科学领域:

  • * 电气工程和计算机科学
  • * 物联网 (IoT) 的互联网.
  • * 可穿戴技术 * 可穿戴技术

背景情况:

  • * 商业物联网平台往往缺乏可配置性,数据透明度和能源效率.
  • *现有的解决方案可能无法满足研究试验台或环境辅助生活环境的特定需求.

研究的目的:

  • * 设计和原型两个可重新配置的基于BLE的设备:可穿戴的智能腕带和可配置的信标 (ASIA Beacon).
  • * 克服商业平台在可配置性,数据透明度和能源效率方面的局限性.
  • * 验证这些新型设备的硬件和软件开发过程.

主要方法:

  • * 开发一个可穿戴的智能腕带,配备惯性和生物识别传感器.
  • * 可配置的ASIA Beacon的工程,具有动态传输参数调整 (频道,功率).
  • *利用节能组件,OTA (Over-The-Air) 更新支持,以及3D打印的外.
  • * 根据Zephyr实时操作系统 (RTOS) 开发固件,并使用标准化数据接口 (GATT,MQTT).

主要成果:

  • *在无回声室测试中证明了收到信号强度指标 (RSSI) 的稳定性得到改善.
  • * 实现了扩展设备自主性:用于信标最多4个月,用于腕带最多3周.
  • * 已验证可靠的实时数据交换功能.
  • * 确认了整合到物联网架构和研究测试台中的可行性.

结论:

  • * 设计的可重新配置的BLE设备在可配置性和能源效率方面提供了显著的改进.
  • * 这些设备适合集成到物联网架构和研究测试台中.
  • * 开发的技术显示出在环境辅助生活环境中部署的潜力.