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Changes for page Change Gateway Power

Last modified by Xiaoling on 2022/08/10 15:18
From version 1.4
edited by Xiaoling
on 2022/05/14 13:45
Change comment: There is no comment for this version
To version 5.1
edited by Edwin Chen
on 2022/06/20 17:43
Change comment: There is no comment for this version

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Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
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1 1  = Introduction =
2 2  
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4 4  In LoRaWAN protocol, the gateway output power refer to the downstream packets sent by Gateway. This output power is controlled by LoRaWAN server.
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8 8  Gateway maintain a power index in the file: /etc/lora/global_conf.json for example:
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11 11  (% class="box" %)
12 12  (((
13 13  "tx_lut_3": {
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25 25   "dig_gain": 0
26 26  )))
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29 29  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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31 31  
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33 33  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.
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35 35  
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37 37  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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