LoRaWAN Ważne tabele

Информация и Советы

 

			EU 863-870MHz ISM Band
		Table 01 (LoRa Physical bit rate, Payload size)
		Data Rate	Configuration		Physical bit rate	Max. MAC Payload size	Max. Frame Payload Size
			Modulation	Bandwidth
		0	SF12	125kHz	250	59	51
		1	SF11	125kHz	440	59	51
		2	SF10	125kHz	980	59	51
		3	SF09	125kHz	1760	123	115
		4	SF08	125kHz	3125	230	222
		5	SF07	125kHz	5470	230	222
		6	SF07	250kHz	11000	230	222
		7	FSK	50kbps	50000	230	222
		8-15	RFU
		Table 02 (LoRa Default time parameters)
		RECEIVE_DELAY1		1sec
		RECEIVE_DELAY2		1sec
		JOIN_ACCEPT_DELAY1		5sec
		JOIN_ACCEPT_DELAY2		6sec
		MAX_FCNT_GAP		16384
		ADR_ACK_LIMIT		64
		ADR_ACK_DELAY		32
		ACK_TIMEOUT		random delay (1,2,3 sec)
		Table 03 (LoRa Join Request Message parameters)
		Modulation	Bandwidth	Channel Frequency	Bit rate	NarrowBand Channels	Duty Cycle
		LoRa	125kHz	864.10MHz	DR0 - DR5/ 0.3 to 5 kbps	6	<0.1%
				864.30MHz
				864.50MHz
				868.10MHz
				868.30MHz
				868.50MHz
		Table 04 ( LoRa RX1(receiver window 1) Data Rate )
			Uplink Data Rate
		RX1DROffset	0	1	2	3	4	5
		DR0	DR0	DR0	DR0	DR0	DR0	DR0
		DR1	DR1	DR0	DR0	DR0	DR0	DR0
		DR2	DR2	DR1	DR0	DR0	DR0	DR0
		DR3	DR3	DR2	DR1	DR0	DR0	DR0
		DR4	DR4	DR3	DR2	DR1	DR0	DR0
		DR5	DR5	DR4	DR3	DR2	DR1	DR0
		DR6	DR6	DR5	DR4	DR3	DR2	DR1
		DR7	DR7	DR6	DR5	DR4	DR3	DR2
		Table 05 (LoRa Retransmission Data Rates)
		Retransmission Number		Data Rate
		1st		DR
		2		DR
		3		max(DR-1,0)
		4		max(DR-1,0)
		5		max(DR-2,0)
		6		max(DR-2,0)
		7		max(DR-3,0)
		8		max(DR-3,0)
		Table 06 (LoRa Required SNR)
		DR/SF		SNR
		DR0/SF12		-20
		DR1/SF11		-17.5
		DR2/SF10		-15
		DR3/SF09		-12.5
		DR4/SF08		-10
		DR5/SF07		-7.5

Tags: 

lorawantable

lora

• 
•