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Changes for page Change Gateway Power

Last modified by Xiaoling on 2022/08/10 15:18
From version 11.1
edited by Kilight Cao
on 2022/06/23 14:03
Change comment: Uploaded new attachment "image-20220623140335-1.png", version {1}
To version 14.1
edited by Kilight Cao
on 2022/06/23 14:37
Change comment: There is no comment for this version

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50 50  cat /var/iot/chip
51 51  )))
52 52  
53 +[[image:image-20220623140335-1.png||height="241" width="378"]]
54 +
55 +Gateways using the SX1301 LoRaWAN Concentrator are the LG308 and DLOS8.
56 +
57 +
58 +**SX1301 Change Power for LoRaWAN Basic Station Connection example:**
59 +
60 +Gateway maintains a power index in the file: /etc/station/station-sx1301.conf for example:
61 +
53 53  (% class="box" %)
54 54  (((
55 -root@dragino-1bbe0c:~~# cat /var/iot/chip 
56 -sx1301
57 -root@dragino-1bbe0c:~~#
64 +{
65 + /* If slave-X.conf present this acts as default settings */
66 + "SX1301_conf": { /* Actual channel plan is controlled by server */
67 + "lorawan_public": true, /* is default */
68 + "clksrc": 1, /* radio_1 provides clock to concentrator */
69 + /* path to the SPI device, un-comment if not specified on the command line e.g., RADIODEV=/dev/spidev0.0 */
70 + "device": "/dev/spidev1.0",
71 + /* freq/enable provided by LNS - only HW specific settings listed here */
72 +
73 + ** |<~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-(% style="color:red" %)Add parameters:"tx_gain_lut"  :  [ TX_GAIN_LUT, .. ](%%)**
74 +
75 + "radio_0": {
76 + "type": "SX1257",
77 + "rssi_offset": -166.0,
78 + "tx_enable": true,
79 + "antenna_gain": 0
80 + },
81 + "radio_1": {
82 + "type": "SX1257",
83 + "rssi_offset": -166.0,
84 + "tx_enable": false
85 + }
86 + /* chan_multiSF_X, chan_Lora_std, chan_FSK provided by LNS */
87 + },
58 58  )))
59 59  
90 +(% class="box" %)
91 +(((
92 +{
93 + /* If slave-X.conf present this acts as default settings */
94 + "SX1301_conf": { /* Actual channel plan is controlled by server */
95 + "lorawan_public": true, /* is default */
96 + "clksrc": 1, /* radio_1 provides clock to concentrator */
97 + /* path to the SPI device, un-comment if not specified on the command line e.g., RADIODEV=/dev/spidev0.0 */
98 + "device": "/dev/spidev1.0",
99 + /* freq/enable provided by LNS - only HW specific settings listed here */
100 + "tx_gain_lut":[
101 + {"rf_power": 12, "pa_gain": 2, "mix_gain": 11, "dig_gain": 2, "dac_gain": 3},
102 + {"rf_power": 13, "pa_gain": 2, "mix_gain": 10, "dig_gain": 0, "dac_gain": 3},
103 + {"rf_power": 14, "pa_gain": 2, "mix_gain": 12, "dig_gain": 2, "dac_gain": 3},
104 + {"rf_power": 15, "pa_gain": 2, "mix_gain": 13, "dig_gain": 2, "dac_gain": 3},
105 + {"rf_power": 16, "pa_gain": 2, "mix_gain": 13, "dig_gain": 1, "dac_gain": 3},
106 + {"rf_power": 17, "pa_gain": 2, "mix_gain": 14, "dig_gain": 1, "dac_gain": 3},
107 + {"rf_power": 18, "pa_gain": 2, "mix_gain": 15, "dig_gain": 2, "dac_gain": 3},
108 + {"rf_power": 19, "pa_gain": 2, "mix_gain": 15, "dig_gain": 1, "dac_gain": 3},
109 + {"rf_power": 20, "pa_gain": 2, "mix_gain": 15, "dig_gain": 1, "dac_gain": 3},
110 + {"rf_power": 21, "pa_gain": 3, "mix_gain": 9, "dig_gain": 0, "dac_gain": 3},
111 + {"rf_power": 22, "pa_gain": 3, "mix_gain": 10, "dig_gain": 0, "dac_gain": 3},
112 + {"rf_power": 23, "pa_gain": 3, "mix_gain": 11, "dig_gain": 1, "dac_gain": 3},
113 + {"rf_power": 24, "pa_gain": 3, "mix_gain": 12, "dig_gain": 0, "dac_gain": 3},
114 + {"rf_power": 25, "pa_gain": 3, "mix_gain": 14, "dig_gain": 0, "dac_gain": 3},
115 + {"rf_power": 26, "pa_gain": 3, "mix_gain": 14, "dig_gain": 0, "dac_gain": 3},
116 + {"rf_power": 27, "pa_gain": 3, "mix_gain": 14, "dig_gain": 0, "dac_gain": 3}
117 + ],
118 + "radio_0": {
119 + "type": "SX1257",
120 + "rssi_offset": -166.0,
121 + "tx_enable": true,
122 + "antenna_gain": 0
123 + },
124 + "radio_1": {
125 + "type": "SX1257",
126 + "rssi_offset": -166.0,
127 + "tx_enable": false
128 + }
129 + /* chan_multiSF_X, chan_Lora_std, chan_FSK provided by LNS */
130 + },
131 +)))
60 60  If users want to always use a higher power or a lower power. Users can modify the pa_gain,mix_gain, and dig_gain to specify rf_power to achieve this purpose. This is not recommended, because this might break the regulator for a specific country.
61 61  
62 62