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发展与LoRa率低,长距离的物联网应用

消耗积分:0 | 格式:rar | 大小:0.64 MB | 2017-06-30

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  发展与LoRa率低,长距离的物联网应用

  设计师们有各种各样的无线技术来连接一个产品到物联网(物联网)。每种技术都适用于不同的应用程序,要求设计者仔细考虑范围和数据速率、成本、功耗、体积和形状因子等因素。

  本文将介绍LoRa方案,比较其优势的其他协议,并讨论了几种产品和开发工具,使工程师能够快速上手开发基于LoRa系统。

  无线物联网权衡考虑

  每种无线技术都有其优点和缺点。例如,标准的Wi-Fi可以高速传输大量数据,但它的范围有限。蜂窝网络结合了高速和长距离,但它是耗电的。

  发展与LoRa率低,长距离的物联网应用

  IoT applications such as remote data acquisition, urban lighting control, weather monitoring, and agriculture, each have a different set of priorities. The quantities being measured or controlled in these applications such as weather conditions, soil moisture levels, or streetlights, all change very slowly over an extended period of time.

  In addition, the sensor nodes are often miles apart and are battery powered, so the optimum wireless protocol must be able to send small data packets efficiently over long distances with minimum power consumption. The LoRa protocol was designed for exactly these requirements.

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