LoRa_WU

LoRa stands for

• Low Rate

• Long Range

• Low Radiation

• Long Rate

LoRa can covers

• up to 10m

• about 100m

• > 10 Km

• < 1 Km

Typical LoRa data rate is

• kB

• MB

• GB

• TB

LoRa's sensing and control is performed at

• Gateway

• End Points

• Network Server

• Application Server

LoRa server knows location info of endpoints with

• IP

• TCP/IP

• TDOA

• CRC

LoRa frequency used in Thailand is

• 50Hz

• 920 MHz

• 2.4GHz

• 5GHz

LoRa is NOT suitable in highly populated network. Why?

• Due to expensive infrastructure

• Due to overcrowding

• Due to high data rate

• none of above

Which one is not LPWAN?

• SIGFOX

• NB-IoT

• LoRa

• GSM

Which characteristics do not belong to ‘Chirp’ Spread-Spectrum Modulation?

• Robust against interference, noise, and jamming

• Multiples signals can occupy the same channel

• High data rate similar to WiFi

• Signal demodulation below the noise floor improves sensitivity

What are the features of LoRa?

• The transmission distance is long

• The working power consumption is low,

• There are many networking nodes

• All of the above