Changes for page End Device Frequency Band
Last modified by Edwin Chen on 2024/10/21 20:35
Change comment:
There is no comment for this version
Summary
-
Page properties (2 modified, 0 added, 0 removed)
Details
- Page properties
-
- Author
-
... ... @@ -1,1 +1,1 @@ 1 -XWiki. Xiaoling1 +XWiki.Edwin - Content
-
... ... @@ -15,14 +15,13 @@ 15 15 * Frequency Bands vs Country List : Page 11 of [[LoRaWAN Regional Parameters RP2-1.0.3>>url:https://resources.lora-alliance.org/technical-specifications/rp2-1-0-3-lorawan-regional-parameters]] 16 16 17 17 18 - 19 19 = 2. OTAA Join Behaviour = 20 20 21 21 22 - For005 LoRaWAN stack: to save battery, once boot, device willmakefirst make 200 tries for OTAA Join, the time period of two Join Requests will depends on the DR and the airtime requirement. After this 200 Join finish, device will send a join request every 20 minutes. If device reboot, it will do above loop again.21 +Since 005 LoRaWAN stack: to save battery, once boot, device will first make 200 tries for OTAA Join, the time period of two Join Requests will depends on the DR and the airtime requirement. After this 200 Join finish, device will send a join request every 20 minutes. If device reboot, it will do above loop again. 23 23 24 24 ((( 25 - For005 LoRaWAN Stack:24 +Since 005 LoRaWAN Stack: 26 26 ))) 27 27 28 28 * EU868 OTAA Join DR select. SF7->SF8->SF9->SF10->SF11->SF12; Each 3 attempts and then loop ... ... @@ -29,7 +29,6 @@ 29 29 * US915 and AU915 OTAA Join procedure,. End node by default will use all 72 channels to join and it will be set to use the proper sub-band after Join success 30 30 31 31 32 - 33 33 = 3. Default Frequency Bands = 34 34 35 35 == 3.1 AS923 == ... ... @@ -76,7 +76,6 @@ 76 76 ** 923.2 - SF10BW125 (RX2) 77 77 78 78 79 - 80 80 === 3.1.3 AS923-2 === 81 81 82 82 ... ... @@ -91,7 +91,6 @@ 91 91 ** 921.4 - SF10BW125 (RX2) 92 92 93 93 94 - 95 95 === 3.1.4 AS923-3 === 96 96 97 97 ... ... @@ -106,7 +106,6 @@ 106 106 ** 916.6 - SF10BW125 (RX2) 107 107 108 108 109 - 110 110 === 3.1.5 AS923-4 === 111 111 112 112 ... ... @@ -121,7 +121,6 @@ 121 121 ** 917.3 - SF10BW125 (RX2) 122 122 123 123 124 - 125 125 == 3.2 AU915-928(AU915) == 126 126 127 127 ... ... @@ -199,7 +199,6 @@ 199 199 ** 505.3 - SF12BW125 (RX2 downlink only) 200 200 201 201 202 - 203 203 == 3.4 EU863-870 (EU868) == 204 204 205 205 ... ... @@ -245,7 +245,6 @@ 245 245 * 866.7850 - SF7BW125 to SF12BW125 246 246 247 247 248 - 249 249 == 3.6 KZ865 == 250 250 251 251 ... ... @@ -261,7 +261,6 @@ 261 261 ** The RX2 receive window uses a fixed frequency and data rate. The default parameters are 866.7MHz / DR0 (SF12, 125 kHz) 262 262 263 263 264 - 265 265 == 3.7 KR920-923 (KR920) == 266 266 267 267 ... ... @@ -284,7 +284,6 @@ 284 284 ** 921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125) 285 285 286 286 287 - 288 288 == 3.8 MA869 == 289 289 290 290 ... ... @@ -306,7 +306,6 @@ 306 306 ** 869.525 - SF12BW125 (RX2 downlink only) 307 307 308 308 309 - 310 310 == 3.9 US902-928 (US915) == 311 311 312 312 ... ... @@ -340,7 +340,6 @@ 340 340 ** 923.3 - SF12BW500(RX2 downlink only) 341 341 342 342 343 - 344 344 === 3.9.2 Latest firmware, Since [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]] === 345 345 346 346 ... ... @@ -349,10 +349,6 @@ 349 349 ))) 350 350 351 351 ((( 352 - 353 -))) 354 - 355 -((( 356 356 So since **Since [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]]**, we have improved this, the end node will use frequency 1 from sub-band1, then frequency 1 from sub-band2, then frequency 1 from sub-band3, etc to process the OTAA join, In this case, In this case, the end node can support LoRaWAN servers with different subbands. To make sure the end node will only transmit the proper sub-band after OTAA Joined successfully, the end node will: 357 357 ))) 358 358 ... ... @@ -372,4 +372,32 @@ 372 372 * TTN Frequency Band Settings: [[https:~~/~~/www.thethingsnetwork.org/docs/lorawan/frequency-plans.html>>url:https://www.thethingsnetwork.org/docs/lorawan/frequency-plans.html]] 373 373 * Loriot [[https:~~/~~/docs.loriot.io/display/LNS/Regional+Frequency+Plans>>url:https://docs.loriot.io/display/LNS/Regional+Frequency+Plans]] 374 374 359 + 360 += 5. Subband Related questiones in US915, AU915, CN470 bands. = 361 + 362 + 363 +Frequency band US915, AU915 and CN470 supports totally 72 frequency in 8 sub-bands, Normally Gateway only support 8 channels ( one subband). So how does the gateway and end nodes work in such frequency? 364 + 365 + 366 +== 5.1 Set Subband in Gateway. == 367 + 368 + 369 +* If Gateway choose (% style="color:blue" %)**Semtech UDP packet**(%%) forwarder to Connect to LoRaWAN server. User need to manually set the match Subband in the gateway web UI. 370 + 371 +* If Gateway choose (% style="color:blue" %)**Basic Station Mode**(%%) to connect to the LoRaWAN server. User can set the subband in the Server side and gateway will the correct subband from server. no need to set this in gateway. AWS-IoT, TTN, ChirpStack all supports Basic Station Connection. 372 + 373 + 374 +== 5.2 Set Subband in End Node == 375 + 376 + 377 +* In early End Node firmware, it is pre-set to subband 2 , user need to manually set to proper subband if they don;t use subband 2. 378 + 379 +* In new end node firmware , it supports all sub-bands, and will swtich to the proper subband after OTAA join. So user can use the end node with all sub-band. 380 + 381 +Reference: [[How it affects the OTAA Join when end node is set to support all subbands>>http://wiki.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H13.WhyittakeslongertimeforOTAAjoinedinUS9152FCN4702FAU915band3F]]? 382 + 383 + 384 + 385 + 386 + 375 375