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Smart city operation mode and ecological environment
- Feb 05, 2018 -

In traditional local area networks or wide area networks, long-range and low-power consumption can only be one of two options. However, with the smart city and smart agriculture, the overall deployment of animal husbandry and the development of urban perception and interconnection, cities, farmlands and pastures More and more fragmented terminal devices need to access the network, which requires low-power long-distance network coverage. LoRa communication based on spread spectrum technology takes into account the long distance and low power consumption. The implementation and deployment of LoRa network technology will subvert the operation mode of traditional smart city network and reconstruct the operation mode and ecological environment of smart city.

With two-way data communication to meet the front-end and backstage seamless docking, LoRa network architecture is a typical star topology, terminal, base station, server, base station as a middleware to connect the terminal and back-end server. Based on spread spectrum technology with superior anti-interference ability, strong penetration, 300bps to 50Kbps low data rate (adaptive data rate), less than 10 milliwatts of transmission power, communication distance reached open area of 15 km, building The dense area is 2 to 3 km wide covered.