Changes for page End Device Frequency Band
Last modified by Edwin Chen on 2024/10/21 20:35
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... ... @@ -14,20 +14,19 @@ 14 14 * TTN Frequency Band Settings: [[https:~~/~~/www.thethingsnetwork.org/docs/lorawan/frequency-plans.html>>url:https://www.thethingsnetwork.org/docs/lorawan/frequency-plans.html]] 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 - 18 18 = 2. OTAA Join Behaviour = 19 19 19 +Since 005 LoRaWAN stack: One device boot or reset, it will 20 20 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. 21 +* First make 200 Join Requestes for OTAA Join, the interval of two Join Requests will depends on the DR and the airtime requirement. 22 +* After 200 Join Requestes, if end node still not join successful, to save battery life, it will keep sending join request at the default uplink interval ( 20 minutes) . 23 +* If device reboot, it will do above loop again. 22 22 23 -((( 24 24 Since 005 LoRaWAN Stack: 25 -))) 26 26 27 -* EU868 OTAA Join DR select. SF7->SF8->SF9->SF10->SF11->SF12; Each 3 attempts and then loop28 -* 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 27 +* **EU868 OTAA Join DR Logic**. SF7->SF8->SF9->SF10->SF11->SF12; Each SF will make 3 attempts and then loop 28 +* **US915 and AU915 OTAA Join procedure**,. End node by default will use all 72 channels (All sub-bands) to join and it will be set to use the proper sub-band after Join success 29 29 30 - 31 31 = 3. Default Frequency Bands = 32 32 33 33 == 3.1 AS923 == ... ... @@ -73,7 +73,6 @@ 73 73 ** Uplink channels 1-8 (RX1) 74 74 ** 923.2 - SF10BW125 (RX2) 75 75 76 - 77 77 === 3.1.3 AS923-2 === 78 78 79 79 ... ... @@ -87,7 +87,6 @@ 87 87 ** Uplink channels 1-8 (RX1) 88 88 ** 921.4 - SF10BW125 (RX2) 89 89 90 - 91 91 === 3.1.4 AS923-3 === 92 92 93 93 ... ... @@ -101,7 +101,6 @@ 101 101 ** Uplink channels 1-8 (RX1) 102 102 ** 916.6 - SF10BW125 (RX2) 103 103 104 - 105 105 === 3.1.5 AS923-4 === 106 106 107 107 ... ... @@ -115,7 +115,6 @@ 115 115 ** Uplink channels 1-8 (RX1) 116 116 ** 917.3 - SF10BW125 (RX2) 117 117 118 - 119 119 == 3.2 AU915-928(AU915) == 120 120 121 121 ... ... @@ -192,7 +192,6 @@ 192 192 ** 508.1 - SF7BW125 to SF12BW125 193 193 ** 505.3 - SF12BW125 (RX2 downlink only) 194 194 195 - 196 196 == 3.4 EU863-870 (EU868) == 197 197 198 198 ... ... @@ -237,7 +237,6 @@ 237 237 * 866.5850 - SF7BW125 to SF12BW125 238 238 * 866.7850 - SF7BW125 to SF12BW125 239 239 240 - 241 241 == 3.6 KZ865 == 242 242 243 243 ... ... @@ -252,7 +252,6 @@ 252 252 ** The RX1 receive window uses the same channel as the preceding uplink. 253 253 ** The RX2 receive window uses a fixed frequency and data rate. The default parameters are 866.7MHz / DR0 (SF12, 125 kHz) 254 254 255 - 256 256 == 3.7 KR920-923 (KR920) == 257 257 258 258 ... ... @@ -274,7 +274,6 @@ 274 274 ** Uplink channels 1-7(RX1) 275 275 ** 921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125) 276 276 277 - 278 278 == 3.8 MA869 == 279 279 280 280 ... ... @@ -295,7 +295,6 @@ 295 295 ** Uplink channels 1-9 (RX1) 296 296 ** 869.525 - SF12BW125 (RX2 downlink only) 297 297 298 - 299 299 == 3.9 US902-928 (US915) == 300 300 301 301 ... ... @@ -328,7 +328,6 @@ 328 328 ** 927.5 - SF7BW500 to SF12BW500 329 329 ** 923.3 - SF12BW500(RX2 downlink only) 330 330 331 - 332 332 === 3.9.2 Latest firmware, Since [[Dragino DLS-005 LoRaWAN Stack>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/DR-LWS/changelog]] === 333 333 334 334 ... ... @@ -337,7 +337,7 @@ 337 337 ))) 338 338 339 339 ((( 340 -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,Inthis case,theend 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:329 +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, 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: 341 341 ))) 342 342 343 343 * ((( ... ... @@ -370,7 +370,6 @@ 370 370 371 371 * 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. 372 372 373 - 374 374 == 5.2 Set Subband in End Node == 375 375 376 376 ... ... @@ -381,7 +381,14 @@ 381 381 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]]? 382 382 383 383 372 += 6. Data Rate and TXP auto-adjust logic. = 384 384 374 +In below cases the sensor end node will auto-adjust. (ADR must set to 1) 385 385 376 +* Auto-just according to the server ADR request change downlink command. 377 +* If there is no adr_req_ack arrive the sensor end node for more than 64 uplinks, end node will set the output to maximum power (AT+TXP=0). 378 +* If there is no adr_req_ack arrive the sensor end node for more than 96 uplinks, end node will reduce the Data Rate by 1. 386 386 380 + 381 + 387 387