Changes for page Change Gateway Power
Last modified by Xiaoling on 2022/08/10 15:18
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... ... @@ -1,5 +1,11 @@ 1 -= Introduction = 1 +(% class="wikigeneratedid" %) 2 += Overview: = 2 2 4 +In LoRaWAN protocol, the gateway transmit packet use the output power base on the Power Index from LoRaWAN server downlink. for example: LoRaWAN server send downlink with this info "rf_power=14", gatewat got this info and it will search the index for rf_power=14 and use the related rf setting to set output power. In some case, the LoRaWAN server might set the rf-power to a quite low value ( for example 0dB) which is not practical for use. In such case, User can manunal change the rf_power=0's rf settings to a higher power out. Below are the methods. 5 + 6 + 7 += Change Power for Semtech UDP Paket forward connection = 8 + 3 3 ---- 4 4 5 5 In LoRaWAN protocol, the gateway output power refer to the downstream packets sent by Gateway. This output power is controlled by LoRaWAN server. ... ... @@ -24,10 +24,15 @@ 24 24 "dig_gain": 0 25 25 ))) 26 26 33 +(% class="mark" %)Note: If when lorawan server specify a rf_power which is not list above. gateway will choose the closest power. profile. 27 27 35 + 28 28 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. 29 29 30 -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 specif ycountry.38 +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 recommended, because this might break the regulator for specific country. 31 31 32 -Please note, the global_conf.json file will be overwrite by the match region files in /etc/lora/cfg-30x when chang esettings in the web. So user need to change the files in /etc/lora/cfg-cfg-30x instead of global_conf.json40 +Please note, that the global_conf.json file will be overwritten by the match region files in /etc/lora/cfg-30x when changing settings in the web. So user needs to change the files in /etc/lora/cfg-cfg-30x instead of global_conf.json 33 33 42 + 43 + 44 += Change Power for LoRaWAN Basic Station connection =