LoRa/LoRaWAN Important Tables







EU 863-870MHz ISM Band








Table 01 (LoRa Physical bit rate, Payload size)



Data RateConfigurationPhysical bit rateMax. MAC Payload sizeMax. Frame Payload Size


ModulationBandwidth

0SF12125kHz2505951

1SF11125kHz4405951

2SF10125kHz9805951

3SF09125kHz1760123115

4SF08125kHz3125230222

5SF07125kHz5470230222

6SF07250kHz11000230222

7FSK50kbps50000230222

8-15RFU






Table 02 (LoRa Default time parameters)



RECEIVE_DELAY11sec

RECEIVE_DELAY21sec

JOIN_ACCEPT_DELAY15sec

JOIN_ACCEPT_DELAY26sec

MAX_FCNT_GAP16384

ADR_ACK_LIMIT64

ADR_ACK_DELAY32

ACK_TIMEOUTrandom delay (1,2,3 sec)








Table 03 (LoRa Join Request Message parameters)



ModulationBandwidthChannel FrequencyBit rateNarrowBand Channels Duty Cycle



LoRa125kHz864.10MHzDR0 - DR5/ 0.3 to 5 kbps6<0.1%

864.30MHz

864.50MHz

868.10MHz

868.30MHz

868.50MHz





Table 04 ( LoRa RX1(receiver window 1) Data Rate )



Uplink Data Rate


RX1DROffset012345


DR0DR0DR0DR0DR0DR0DR0

DR1DR1DR0DR0DR0DR0DR0

DR2DR2DR1DR0DR0DR0DR0

DR3DR3DR2DR1DR0DR0DR0

DR4DR4DR3DR2DR1DR0DR0

DR5DR5DR4DR3DR2DR1DR0

DR6DR6DR5DR4DR3DR2DR1

DR7DR7DR6DR5DR4DR3DR2






Table 05 (LoRa Retransmission Data Rates)



Retransmission NumberData Rate

1stDR

2DR

3max(DR-1,0)

4max(DR-1,0)

5max(DR-2,0)

6max(DR-2,0)

7max(DR-3,0)

8max(DR-3,0)






Table 06 (LoRa Required SNR)



DR/SFSNR

DR0/SF12-20

DR1/SF11-17.5

DR2/SF10-15

DR3/SF09-12.5

DR4/SF08-10

DR5/SF07-7.5










2 comments:

  1. Sorry, i am not a science guy, but unfortunately I have been given the task to come up with a project which will involve Lora product, any product that has 868mhz, in India I am thinking that we are allowed to use upto 865mhz-867mhz. Now there are 2 factors which i am trying to clear, 1.what will be the effect distance wise, if there is a drop of 1mhz.
    2.Have you tried any lora products which accomplishes the said distance that is <15km range.
    Thank you

    ReplyDelete
  2. You could get the Lora module from these guys.

    http://www.melangesystems.com/RF-Wlan-Zigbee-6Lowpan-BLE-Lorawan-Modules.html#LoRaWAN%20module

    ReplyDelete