LoRA & LoRAWAN Flashcards
LoRa modulation a variation of …
Chirp Spread Spectrum
What does LoRaWAN stand for?
Long Range Wide Area Network
LoRa is primarily used for?
Long-range, low-power communication
What is the main advantage of using LoRa for IoT applications?
Low power consumption
Long Range
What type of modulation is used in LoRa?
Chirp Spread Spectrum (CSS)
What is the main drawback of using LoRa for IoT applications?
Limited data rate
LoRaWAN’s network server is responsible for:
Processing and forwarding data to application servers
Which Sub-GHz ISM frequency does LoRa operate in Singapore?
923 Mhz
LoRa’s spreading factor affects which of the following?
Data rate and range
What does LoRa stand for?
Long Range
Which Class of LoRaWAN is best suited for applications requiring minimal latency?
Class C
What is the main function of the Device EUI in LoRaWAN?
To identify the device uniquely on the network
In LoRa, which class does the following end device fall under:
Battery powered actuators. Energy efficient with latency controlled downlink. Slotted communication synchronized with a beacon.
B
Link Budget …
refers to the amount of loss that a data link (transmitter to receiver) can tolerate in order to operate properly
Which class of LoRaWAN is designed for bidirectional end-devices with scheduled receive slots?
Class B
LoRa modulation technique sits at which OSI layer?
Physical
LoRaWAN modulation technique sits at which OSI layer?
DataLink
In LoRa, what does increasing the spreading factor (SF) do to the signal’s range and data rate?
Increases range and decreases data rate
