Differences in Transmission Rate and Coverage Range
Transmission Rate Differences
LoRa
Transmission rate range: Typically 0.3 kbps to 37.5 kbps.
LoRa’s rate can be adjusted by modifying the spreading factor. A higher spreading factor results in a lower transmission rate but improves signal anti-interference capability and extends transmission distance.
LoRaWAN
LoRaWAN’s transmission rate is determined by the LoRa physical layer modulation technology. The protocol layer adjusts different spreading factors to balance the transmission rate of each node.
Coverage Range
LoRa
LoRa’s physical layer modulation technology enables a transmission distance of 10 to 15 kilometers in open environments.
Transmission distance is closely related to the spreading factor and transmission power: a higher spreading factor and greater power result in a wider coverage range.
LoRaWAN
LoRaWAN, as a network protocol, does not directly define coverage range. By deploying multiple LoRa gateways, coverage can be extended to achieve wide-area IoT connectivity.
Summary
Data transmission rate: LoRa has a limited data rate, but LoRaWAN can adjust the spreading factor to reduce speed while enhancing anti-interference capability and extending transmission distance.
Coverage range: A single LoRa node has a long coverage range in open environments, while LoRaWAN extends coverage through a multi-gateway architecture, making it suitable for wide-area coverage needs.
When designing an IoT system, the transmission rate and coverage range of LoRa and LoRaWAN should be optimized based on specific application requirements to ensure network performance and coverage effectiveness.
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