Summary

• Page properties (2 modified, 0 added, 0 removed)

Details

Page properties

Author

...	...	@@ -1,1 +1,1 @@
1		-XWiki.Edwin
	1	+XWiki.Xiaoling

Content

...	...	@@ -4,8 +4,6 @@
4	4
5	5
6	6
7		-
8		-
9	9	= 1.  OverView =
10	10
11	11
...	...	@@ -37,19 +37,20 @@
37	37
38	38	**End node actually value when TXP=0 and DR=0**
39	39
40		-(% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:1002px" %)
41		-|(% style="background-color:#d9e2f3; width:134px" %)**Frequency band**|(% style="background-color:#d9e2f3; width:400px" %)**Output Power in LoRa Module (consider 2dB antenna)**|(% style="background-color:#d9e2f3; width:362px" %)(((
	38	+(% border="1.5" cellspacing="4" style="background-color:#ffffcc; color:black; width:1002px" %)
	39	+|(% style="width:134px" %)**Frequency band**|(% style="width:400px" %)**Output Power in LoRa Module (consider 2dB antenna)**|(% style="width:362px" %)(((
42	42	**Spreading Factor(Higher SF can transmit further)**
43		-)))|(% style="background-color:#d9e2f3; width:102px" %)**Band Width**
	41	+)))|(% style="width:102px" %)**Band Width**
44	44	|(% style="width:134px" %)**EU868**|(% style="width:400px" %)14dBm|(% style="width:362px" %)SF=12|(% style="width:102px" %)125Khz
45	45	|(% style="width:134px" %)**US915**|(% style="width:400px" %)20 or 22 dBm (depends on max output of module)|(% style="width:362px" %)SF=10|(% style="width:102px" %)125Khz
46	46	|(% style="width:134px" %)**AS923**|(% style="width:400px" %)14dBm|(% style="width:362px" %)SF=12|(% style="width:102px" %)125Khz
47	47
48	48
	47	+
49	49	== 2.2  Adaptive Data Rate (ADR) and set max distance ==
50	50
51	51
52		-(% style="color:#037691" %)**ADR**(%%) is the feature that Server will ask End Node to adjust the TXP and DR according to some rules in the server. This is for the purpose of Network Management and Optimize End Node battery life-time.
	51	+**ADR** is the feature that Server will ask End Node to adjust the TXP and DR according to some rules in the server. This is for the purpose of Network Management and Optimize End Node battery life-time.
53	53
54	54
55	55	By default, ADR is turn on((% style="color:#037691" %)**AT+ADR=1**) (%%)so End node ADR feature is enable.
...	...	@@ -59,9 +59,9 @@
59	59
60	60	(% style="color:#037691" %)**AT+ADR=0**
61	61
62		-(% style="color:#037691" %)**AT+DR=0     **~/~/(%%) Use longest distance modulation
	61	+(% style="color:#037691" %)**AT+DR=0**
63	63
64		-(% style="color:#037691" %)**AT+TXP=0   **(%%)~/~/ Use max power   For EU868, max power can be is AT+TXP=50
	63	+(% style="color:#037691" %)**AT+TXP=0**
65	65
66	66
67	67	This can be downlink via the LoRaWAN downlink command, see [[this link>>url:http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H8.2UseDownlinkCommandtosetafixuplinkDR]] for reference.
...	...	@@ -84,23 +84,15 @@
84	84
85	85	Below are the settings for longest distance transmission. ( will reduce battery life)
86	86
87		-* (% style="color:#037691" %)**AT+ADR=0**      (%%)~/~/  Disable ADR
88		-* (% style="color:#037691" %)**AT+DR=  0**      (%%)~/~/  Use the smallest DR,the longest distance modulation
89		-* (% style="color:#037691" %)**AT+TXP=0**    (%%) ~/~/  Use max power   For EU868, max power can be is AT+TXP=50
	86	+* (% style="color:#037691" %)**AT+ADR=0**     (%%)~/~/  Disable ADR
	87	+* (% style="color:#037691" %)**AT+DR=  0**     (%%)~/~/  Use the smallest DR
	88	+* (% style="color:#037691" %)**AT+TXP=0**    (%%) ~/~/  Use max power.
90	90
91	91
92		-== 2.5 Debug in Software ==
93	93
94		-Dragino can help client to debug the software for the distance issue. In the case , please send us below info:
95		-
96		-* Detail packets include for Join Request, Join Accept, Uplink & Downlink, These packets should include:
97		-** RSSI, DataRate, FCNT, Frequency.
98		-** MIC command detail & Payload detail.
99		-
100		-
101	101	= 3.  Analyze at the hardware side =
102	102
103		-== 3.1  Check if the antenna path is good ~-~- For LSN50v2 series end node ==
	94	+== 3.1  Check if the antenna path is good ~-~- For LSn50v2 series end node ==
104	104
105	105
106	106	a) Open Enclosure and Check if the antenna connection to module is good.
...	...	@@ -133,6 +133,7 @@
133	133	* Radio communication are usually killed with bad topographic conditions. It is usually not possible to communicate through a hill, even very small.
134	134
135	135
	127	+
136	136	== 4.2  Improve the Antenna ==
137	137
138	138
...	...	@@ -178,11 +178,6 @@
178	178	[[image:image-20221101000006-1.png||height="353" width="931"]]
179	179
180	180
181		-= 6. Use a repeater =
182	182
183	183
184		-In some cases, user can consider use a repeater for limitation transmition.
185		-
186		-See here for how to set up: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20All%20Gateway%20models/LoRaWAN%20IoT%20Kit%20v3%20User%20Manual/#H7.Example6:LimitedLoRaWANrelay >>http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20All%20Gateway%20models/LoRaWAN%20IoT%20Kit%20v3%20User%20Manual/#H7.Example6:LimitedLoRaWANrelay]]
187		-
188	188