A performance of radio frequency and signal strength of LoRa with BME280 sensor
A performance of radio frequency and signal strength of LoRa with BME280 sensor
复制标题
LoRa与BME280传感器的射频和信号强度性能
DOI：
10.12928/telkomnika.v18i2.14843
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发表时间：
2020
期刊：
影响因子：
--
通讯作者：
A. Kitagawa
中科院分区：
文献类型：
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作者：
Puput Dani Prasetyo Adi;A. Kitagawa
LoRa是一个射频模块，可以在FSPL中发送数据包达3公里。LoRa有3个不同的频率无线电，即915 MHz，868 MHz和433 MHz。LoRa测试基于不同的距离，BME 280提供气压、温度和湿度数据。从接收信号强度的结果到距离（m）到最远点的分析，以证明并提供LoRa 915 MHz的QoS数据。传感器节点使用ADR和自动休眠模式算法构建。网状网络中的动态传感器节点建立了节点间的通信系统。使用Textronix频谱分析仪在915 MHz频率波形上进行监测信号传输。基于BME 280，从LoRa 915 MHz发射机到接收机的数据包传输距离为100 m时为-84 dBm，距离为500 m时为-107 dBm。LoRa互联网网关有2种类型的设置，即，应用程序，和网关，这个设置是找出网关的位置与经度和纬度.此外，网关保存来自端节点的传感器数据，而应用服务器以图形的形式实时显示传感器数据。
LoRa is a Radio Frequency module that can send packet data up to 3 km in FSPL.LoRa has 3 different Frequency Radios i.e, 915 MHz, 868 MHz, and 433 MHz. LoRa testing is based on different distances, BME280 provides Barometric Pressure, Temperature, and Humidity data. An analysis from the results of the Received Signal Strength to the distance (m) to the farthest point to prove and provide QoS data from LoRa 915 MHz. Sensor nodes are built using ADR and Automatic sleep mode algorithms. Communication systems between nodes are built dynamic sensor nodes in mesh networking. Monitoring signal transferring on the 915 MHz Frequency waveform is carried out using the Textronix Spectrum analyzer. Based on the BME280 Data packet transmission from the LoRa 915 MHz Transmitter to the Receiver Receiver at a distance of 100m is -84 dBm and at a distance of 500m is -107 dBm. The LoRa Internet Gateway has 2 types of settings, i.e, application, and gateway, this setting is to find out the location of the gateway with longitude and latitude. Furthermore, the gateway holds Sensor data from the End node, while the Application Server displays sensor data in the form of Graphics in realtime.