Changes for page LoRaWAN Communication Debug
Last modified by Mengting Qiu on 2024/01/29 19:33
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... ... @@ -214,6 +214,7 @@ 214 214 215 215 * This packet must match the DataRate of RX1(RX1DR) or RX2 (RX2DR). (% style="color:red" %)**This is the common fail point, because different lorawan server might use different RX2DR and they don't info End Node via ADR message so cause the mismatch. If this happen, user need to change the RX2DR to the right value in end node. In OTAA, LoRaWAN Server will send the RX2DR setting in Join Accept message so the end node will auto adjust. but ABP uplink doesn't support this auto change.** 216 216 217 + 217 217 == 5.2 See Debug Info == 218 218 219 219 ... ... @@ -448,6 +448,7 @@ 448 448 (% class="wikigeneratedid" %) 449 449 4)We have had cases where it was automatically fixed the next day despite no manual changes, probably a server side issue 450 450 452 + 451 451 = 10. Why i got the payload only with "0x00" or "AA~=~="? = 452 452 453 453 ... ... @@ -457,13 +457,29 @@ 457 457 458 458 When using the frequency mentioned above, the server sometimes adjusts the Data Rate (DR) of the node, because the end node has Adaptive Data Rate (ADR) Enabled. 459 459 462 +1. 463 + 460 460 When the server adjusts end node data rate to 0, the maximum payload length is 11 bytes. The server sometimes sends an ADR packet to the end node, and the node will reply to the server after receiving the ADR packet, but the number of payload bytes exceeds the limit, so it will send a normal uplink packet, and following an additional 00 data packet to handle this MAC command response. 461 461 466 +2. 462 462 468 +The server downlinks a calibration time package 469 +This calibration time packet will exceed the byte limit, causing its payload to become 00 470 + 463 463 (% style="color:blue" %)**How to solve:** 464 464 465 -Solution: Use the decoder to filter out this 0x00 packet.473 +Solution: 466 466 475 +~1. Use the decoder to filter out this 0x00 packet. 476 + 477 +2. Data rate changed from DR3 to DR5, increasing upload byte length 478 +AT+ADR=0 479 +AT+DR=3 480 + 481 +Downlink: 482 + 483 +[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H7.4DataRate>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H7.4DataRate]] 484 + 467 467 Some node decoders may not have the filter function, or you need decoders of other servers and formats. Please send an email to [[support@dragino.com>>mailto:support@dragino.com]] 468 468 469 469