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Hi, sailors.

It's a common knowledge, that one can retrieve cellular-related parameters by issuing the command:

dbus-send --system --print-reply=literal --type=method_call --dest=org.ofono /ril_0 org.ofono.NetworkRegistration.GetProperties

The number provided by the signal strength parameter seems to be a percentage value. This isn't quite good. Searching yielded this link . Jarkko Lehtoranta said that one could just convert percentage value to RSSI. However, the conversion algorithm wasn't revealed. I know, that the scale can be of different nature for different chips/modules/vendors . So, can anyone enlighten me on how can I perform such a conversion? Okay, I know that Jolla CSD tool exists (##310##), and it does show dBm values. I know, that it's a proprietary tool, but can developers clarify, whether they get dBm values directly or convert from percentage values?

Also, if we dig into ofono itself, we'll find many interesting things. For example, this . A special interface called org.ofono.CellInfo could exist as well as a method called GetNeighbors() . As you can see from the patch description, there is RXLEV parameter, that we all really want. Does ofono supplied with Jolla Phone support such an interface?

P.S. Don't tell me that having percentage value is enough. The underlying bindings should provide low-level parameters.

P.P.S. Not only RXLEV is interesting. The full list is:

rxlev: integer type, received signal strength level

ber: integer type; channel bit error rate (in percent)

rscp: integer type, received signal code power

ecno: integer type, ratio of the received energy per PN chip to the total received power spectral density

rsrq: integer type, reference signal received quality

rsrp: integer type, reference signal received power

Hi, sailors.

It's a common knowledge, that one can retrieve cellular-related parameters by issuing the command:

dbus-send --system --print-reply=literal --type=method_call --dest=org.ofono /ril_0 org.ofono.NetworkRegistration.GetProperties

The number provided by the signal strength parameter seems to be a percentage value. This isn't quite good. Searching Search yielded this link . Jarkko Lehtoranta said that one could just convert percentage value to RSSI. However, the conversion algorithm wasn't revealed. discussed. I know, that the scale can be of different nature for different chips/modules/vendors . So, can anyone enlighten me on how can I perform such a conversion? Okay, I know that Jolla CSD tool exists (##310##), and it does show dBm values. I know, that it's a proprietary tool, but can developers clarify, whether they get dBm values directly or convert from percentage values?

Also, if we dig into ofono itself, we'll find many interesting things. For example, this . A special interface called org.ofono.CellInfo could exist as well as a method called GetNeighbors() . As you can see from the patch description, there is RXLEV parameter, that we all really want. Does ofono supplied with Jolla Phone support such an interface?

P.S. Don't tell me that having percentage value is enough. The underlying bindings should provide low-level parameters.

P.P.S. Not only RXLEV is interesting. The full list is:

rxlev: integer type, received signal strength level

ber: integer type; channel bit error rate (in percent)

rscp: integer type, received signal code power

ecno: integer type, ratio of the received energy per PN chip to the total received power spectral density

rsrq: integer type, reference signal received quality

rsrp: integer type, reference signal received power