Wiki source code of Listen Before Talk Feature
Version 14.1 by Kilight Cao on 2022/07/06 09:00
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| 1 | **Contents:** | ||
| 2 | |||
| 3 | {{toc/}} | ||
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| 5 | |||
| 6 | = **1. Introduction** = | ||
| 7 | |||
| 8 | Dragino Gateway is possible to support (LBT) Listen Before Talk feature with [[LA66 USB LoRaWAN Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Module.WebHome]]. | ||
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| 11 | = **2. How to use** = | ||
| 12 | |||
| 13 | == **2.1 Upgrade File** == | ||
| 14 | |||
| 15 | Upgrade the firmware to the LBT version for specific device [[Firmware download>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LG308-LG301/Firmware/Release/]], [[Firmware Changelog>>url:http://www.dragino.com/downloads/downloads/LoRa_Gateway/LG308-LG301/Firmware/ChangeLog]]. This LBT version firmware support LBT by default, users just need to plug in the LA66 USB LoRaWAN Adapter. | ||
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| 19 | == **2.2 Debug** == | ||
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| 21 | Apply and save on the web after the above configure has been made | ||
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| 23 | ((( | ||
| 24 | run "(% style="color:#037691" %)**logread -f**"(%%) in Linux to check the LBT running status. | ||
| 25 | |||
| 26 | If LA66 module returned the value "(% style="color:#037691" %)**FREE"**(%%), indicating that can be downlinked normally. | ||
| 27 | |||
| 28 | If LA66 module returned the value "(% style="color:#037691" %)**BUSY"**(%%), indicates that the downlink can be disturbed. | ||
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| 30 | [[image:image-20220705110001-5.png||height="681" width="1375"]] | ||
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| 32 | |||
| 33 | == **2.3 Trouble Shootings** == | ||
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| 35 | |||
| 36 | === **How to debug if LBT does not work** === | ||
| 37 | |||
| 38 | Make sure that the gateway is connected to the LA66 module,Can check by command or via the Web UI. | ||
| 39 | |||
| 40 | [[image:image-20220705104342-4.png||height="760" width="1005"]] | ||
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| 42 | [[image:image-20220705104316-3.png||height="621" width="1087"]] | ||
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| 45 | [[image:image-20220705111448-6.png||height="270" width="1088"]] | ||
| 46 | ))) |