SNR unit on LoRa Receive example #82414
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area: LoRa
bug
The issue is a bug, or the PR is fixing a bug
priority: low
Low impact/importance bug
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JordanYates
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Dec 2, 2024
Signal-to-noise ratio is a unitless quantity, so its unit is dB, not dBm (dBm is the power relative to 1 milliwatt). At the same time output the received payload using `LOG_HEXDUMP_INF`, instead of limiting the sample solely to string payloads. Fixes zephyrproject-rtos#82414 Signed-off-by: Jordan Yates <[email protected]>
JordanYates
added a commit
to Embeint/zephyr
that referenced
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Dec 2, 2024
Signal-to-noise ratio is a unitless quantity, so its unit is dB, not dBm (dBm is the power relative to 1 milliwatt). At the same time output the received payload using `LOG_HEXDUMP_INF`, instead of limiting the sample solely to string payloads. Fixes zephyrproject-rtos#82414 Signed-off-by: Jordan Yates <[email protected]>
JordanYates
added a commit
to Embeint/zephyr
that referenced
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Dec 3, 2024
Signal-to-noise ratio is a unitless quantity, so its unit is dB, not dBm (dBm is the power relative to 1 milliwatt). At the same time output the received payload using `LOG_HEXDUMP_INF`, instead of limiting the sample solely to string payloads. Fixes zephyrproject-rtos#82414 Signed-off-by: Jordan Yates <[email protected]>
JordanYates
added a commit
to Embeint/zephyr
that referenced
this issue
Dec 3, 2024
Signal-to-noise ratio is a unitless quantity, so its unit is dB, not dBm (dBm is the power relative to 1 milliwatt). At the same time output the received payload using `LOG_HEXDUMP_INF`, instead of limiting the sample solely to string payloads. Fixes zephyrproject-rtos#82414 Signed-off-by: Jordan Yates <[email protected]>
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Describe the bug
On the LoRa receive example the code print out the SNR parameter.
I would like to have some explanation/comment regarding the receive example.
I believe SNR parameter is always a dB value
On the example it is represented with dBm, is that parameter really SNR and was some mistake or it is different from typical SNR on communications?
Thanks Guys
Very good project
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