표 4. | Table 4. LPWAN의 비교[7] | Comparison of LPWAN[7].

Name of standard Weightless-P IEEE 802.11ah (LP WiFi) SigFox LoRa
Network architecture Star Star, Tree Star Star
Frequency band Under 1 GHz ISM Band Under 1 GHz unlicensed band except TVWS 868/902 MHz ISM 433/868/780/915 MHz ISM
Modulation type GMSK(UNB)/no Chirp FM + spread spectrum
Channel bandwidth 12.5 kHz 1/2/4/8/16 MHz UNB(ultra narrowband) EU: 8×125 kHz, US: 64×125 kHz
DL/UL data rate 200~100 kbps 150 kbps~ 346.666 Mbps 100 bps~140 messages/day EU: 300 bps~50 kbps US: 900 bps~100 kbps
End node transmit power 17 dBm 1 mW~1 W 10 uW~100 mW EU: <+14 dBm, US: <+27 dBm
Adaptive rate Yes Yes No Yes
Range 2 km(urban) Up to 1 km(outdoor) 3~10 km(urban) 2~5 km(urban), 15 km(rural)
Node roaming Yes Yes Yes Yes
Governing body Weightless SIG IEEE 802.11 WG SigFox LoRa Alliance