Wiki source code of Listen Before Talk Feature
Version 16.1 by Kilight Cao on 2022/07/22 11:07
Hide last authors
| author | version | line-number | content |
|---|---|---|---|
 |
1.2 | 1 | **Contents:** |
| 2 | |||
| |
1.1 | 3 | {{toc/}} |
| 4 | |||
| 5 | |||
| |
14.1 | 6 | = **1. Introduction** = |
| |
1.1 | 7 | |
 |
3.1 | 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]]. |
| |
1.1 | 9 | |
| |
2.1 | 10 | |
| |
14.1 | 11 | = **2. How to use** = |
| |
1.1 | 12 | |
| |
14.1 | 13 | == **2.1 Upgrade File** == |
| |
1.1 | 14 | |
| |
16.1 | 15 | Upgrade the firmware to the LBT version for specific device [[Firmware download>>https://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Release/LBT--build-v5.4.1658454438-20220722-0948/]], [[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. |
| |
1.1 | 16 | |
| |
2.1 | 17 | |
| |
16.1 | 18 | [[image:image-20220722105144-1.jpeg||height="419" width="559"]] |
| |
1.1 | 19 | |
| |
14.1 | 20 | == **2.2 Debug** == |
| |
1.1 | 21 | |
| |
8.1 | 22 | Apply and save on the web after the above configure has been made |
| |
1.1 | 23 | |
| |
1.3 | 24 | ((( |
| |
8.1 | 25 | run "(% style="color:#037691" %)**logread -f**"(%%) in Linux to check the LBT running status. |
| 26 | |||
| |
14.1 | 27 | If LA66 module returned the value "(% style="color:#037691" %)**FREE"**(%%), indicating that can be downlinked normally. |
| |
8.1 | 28 | |
| |
14.1 | 29 | If LA66 module returned the value "(% style="color:#037691" %)**BUSY"**(%%), indicates that the downlink can be disturbed. |
| |
8.1 | 30 | |
| |
12.1 | 31 | [[image:image-20220705110001-5.png||height="681" width="1375"]] |
| |
8.1 | 32 | |
| |
11.1 | 33 | |
| |
14.1 | 34 | == **2.3 Trouble Shootings** == |
| |
8.1 | 35 | |
| 36 | |||
| |
14.1 | 37 | === **How to debug if LBT does not work** === |
| 38 | |||
| |
16.1 | 39 | Make sure that the gateway is connected to the LA66 module, Can check by command or via the Web UI. |
| |
14.1 | 40 | |
| |
11.1 | 41 | [[image:image-20220705104342-4.png||height="760" width="1005"]] |
| 42 | |||
| |
16.1 | 43 | [[image:image-20220705104316-3.png||height="574" width="1005"]] |
| |
11.1 | 44 | |
| 45 | |||
| |
16.1 | 46 | Access LA66 module log will show CP210X Converter Now Attached to **ttyUSBX** |
| 47 | |||
| 48 | [[image:image-20220705111448-6.png||height="249" width="1003"]] | ||
| |
1.3 | 49 | ))) |