Changes for page LoRaWAN Communication Debug
Last modified by Edwin Chen on 2025/01/29 20:30
Change comment:
There is no comment for this version
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -210,7 +210,6 @@ 210 210 * This packet must match the frequency of the RX1 or RX2 window. 211 211 * 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.** 212 212 213 - 214 214 == 5.2 See Debug Info == 215 215 216 216 ... ... @@ -324,7 +324,6 @@ 324 324 * Gateway traffic (from server UI) to shows the data exchange between gateway and server. 325 325 * End Node traffic (from server UI) to shows end node activity in server. 326 326 327 - 328 328 = 6. Downlink Issue ~-~- Packet REJECTED, unsupported frequency = 329 329 330 330 ... ... @@ -441,6 +441,8 @@ 441 441 = 10. Why i got the payload only with "0x00" or "AA~=~="? = 442 442 443 443 442 +**Why this happen:** 443 + 444 444 For US915, AU915 or AS923 frequencies.It is possible because: . 445 445 446 446 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. ... ... @@ -447,8 +447,11 @@ 447 447 448 448 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. 449 449 450 -Solution: Use the decoder to filter out this 00 packet. 451 451 451 +**How to solve:** 452 + 453 +Solution: Use the decoder to filter out this 0x00 packet. 454 + 452 452 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]] 453 453 454 454