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Changes for page Change Gateway Power

Last modified by Xiaoling on 2022/08/10 15:18
From version 1.3
edited by Xiaoling
on 2022/05/14 13:44
Change comment: There is no comment for this version
To version 1.1
edited by Xiaoling
on 2022/05/14 13:43
Change comment: There is no comment for this version

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1 -= Introduction =
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
2 +{{toc/}}
3 +{{/box}}
2 2  
3 -In LoRaWAN protocol, the gateway output power refer to the downstream packets sent by Gateway. This output power is controlled by LoRaWAN server.
5 += Paragraph 1 =
4 4  
5 -Gateway maintain a power index in the file: /etc/lora/global_conf.json for example:
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7 -(% class="box" %)
8 -(((
9 -"tx_lut_3": {
10 - "desc": "TX gain table, index 3",        ~/~/ Index 3 refer to rf_power: 15dB. device will set the pa_gain,mix_gain,dig_gain 
11 - "pa_gain": 2,                            ~/~/ to the value mentioned here so to generate 15dB output power.
12 - "mix_gain": 10,
13 - "rf_power": 15,
14 - "dig_gain": 1
15 -},
16 -"tx_lut_4": {
17 - "desc": "TX gain table, index 4",
18 - "pa_gain": 2,
19 - "mix_gain": 10,
20 - "rf_power": 16,
21 - "dig_gain": 0
22 -)))
9 +== Sub-paragraph ==
23 23  
24 -When LoRaWAN server sends a downlink stream, server will also ask the gateway to use which rf_power as output. So user don't need to consider to control in the gateway side.
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25 25  
26 -If user want to always use a higher power or a lower power. User can modify the pa_gain,mix_gain,dig_gain for specify rf_power to achieve this purpose. This is not recommend, because this might break the regulator for specify country.
13 +== Sub-paragraph ==
27 27  
28 -Please note, the global_conf.json file will be overwrite by the match region files in /etc/lora/cfg-30x when change settings in the web. So user need to change the files in /etc/lora/cfg-cfg-30x instead of global_conf.json
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17 +=== Sub-sub paragraph ===
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22 += Paragraph 2 =
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26 +== Sub-paragraph ==
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30 +== Sub-paragraph ==
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