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2	2
3	3	{{toc/}}
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5	5	= 1. Introduction =
6	6
7	7	(% style="color:black" %)The ChirpStack open-source LoRaWAN Network Server stack provides open-source components for LoRaWAN networks And the Chirpstack supports the users in building a private LoRaWAN Server. For more info please refer to this [[link>>url:https://www.chirpstack.io/]]
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30	30	)))
31	31	)))
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33	33	= 2. Semtech UDP =
34	34
35	35	== 2.1 Step 1. Add the Network-servers ==
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98	98
99	99	gateway Status
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101	101	= 3. Gateway Registration for Basics Station =
102	102
103	103	== Introduction ==
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119	119
120	120	A gateway that can access the internet normally
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	128	+
122	122	== 3.1 Add Gateway ==
123	123
124	124	[[image:image-20220524164205-10.png]]
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126	126	== 3.2 Access the gateway GUI ==
127	127
128	128	Access the gateway GUI interface of LoRaWAN~-~->LoRaWAN ~-~- Basic Station
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143	143	(% class="wikigeneratedid" %)
144	144	[[image:image-20220524164341-12.png]]
145	145
	154	+
146	146	== 3.3 Start Station ==
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148	148	When the user has finished the configuration, Please click Sace&Apply to start station to connect ChirpStack
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	159	+
150	150	== 3.4 Successful Connection ==
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152	152	If user completes the above steps, which will see live date in the ChirpStack.
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153	153
154	154	[[image:image-20220524164448-13.png]]
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156	156	== 3.5 Trouble Shooting ==
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158	158	User can check the station log in the logread/system log page.
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159	159
160	160	[[image:image-20220524164514-14.png]]
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162	162	and recode the station log in the system/Recode log page.
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164	164	[[image:image-20220524164541-15.png]]
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166	166	= 4. Downlink =
167	167
168	168	== 4.1 Chirpstack Downlink Note ==
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171	171
172	172	Convert the data to Base64
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174	174	[[image:image-20220526090748-4.png]]
175	175
176	176	Check ChripStack downlink DataRate
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178	178	[[image:image-20220525101326-11.png]]
179	179
180	180	Make sure the RX2DR is the same in the end node
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	197	+
182	182	== 4.2 Loraserver Downlink Note ==
183	183
184	184	User can use MQTT to send downlink payload to ChirpStack to perform downstream to LoRaWAN End
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199	199
200	200	(((
201	201	MQTT Connect to ChirpStack
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202	202	)))
203	203
204	204	(((
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224	224
225	225	MQTT Connect to ChirpStack
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227	227	(((
228	228	(% style="color:red" %)Note: Chirpstack use base64 to downlink, so need to convert the downlink payload from HEX to base64 [[https:~~/~~/base64.us/>>url:https://base64.us/]]
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232	232
233	233	Choose to Use Hex for Encode
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235	235	If we want send downstream hex 030101 to end node, the BASE64 payload is AwEB
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237	237	[[image:image-20220525104025-15.png]]
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297	297	AwAA is 0x030000's base 64 Encode.
298	298	)))
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300	300	== 4.3 Add the decode function in Chirpstack for the payload ==
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302	302	User enters the payload code according to the steps.
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308	308
309	309	[[image:image-20220526091602-5.png]]
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311		-[[image:image-20220525104258-19.png]]
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313	313	= 5. Multiply Uplink in ChirpStack =
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315	315	(((
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320	320	ChirpStack will auto adjust nbtrans according to uplink rssi. [[link to source>>url:https://github.com/brocaar/chirpstack-network-server/blob/master/internal/adr/adr.go]]
321	321	)))
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323		-[[image:image-20220525104328-20.png]]
	345	+[[image:image-20220526091912-7.png]]
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325	325	(((
326	326	nbtrans is a field of ADR message, in unconfirm mode, it tells end node how many time it needs to transmit for every frame.
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338	338
339	339	[[image:image-20220525104437-22.png]]
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341	341	Duplicate transmission in short time
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343	343	[[image:image-20220525104502-23.png]]
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345	345	== 5.1 Solution ==
346	346
347	347	This example uses the Windows version as a template, other versions can refer to this. Similiar reference: [[https:~~/~~/confluence.alitecs.de/plugins/servlet/mobile?contentId=79790102#content/view/79790102>>url:https://confluence.alitecs.de/plugins/servlet/mobile?contentId=79790102#content/view/79790102]]
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352	352
353	353	[[image:image-20220525104532-24.png]]
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355	355	installation path:
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357	357	[[image:image-20220525104554-25.png]]
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359	359	(((
360	360	2. Environment variable settings:.
361	361	)))
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370	370
371	371	[[image:image-20220524165433-33.png]]
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373	373	3)Modify the system variable Path and add C:\Go\bin\:
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375	375	[[image:image-20220524165452-34.png]]
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378	378
379	379	[[image:image-20220524165517-35.png]]
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381	381	3. Modify the ADR configuration file according to your own needs, adr.setting.go is an example of the ADR configuration file.
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383	383	The name of the plugin: Example ADR plugin:

image-20220526091912-7.png

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