The set command subscribes Coverage Enhancement (CE) notifications and reads current
parameters.
Syntax:
+CEINFO=<Reporting>
Notification syntax:
+CEINFO: <Reporting>,<CE Enabled>,<UE State>,<Downlink Repetition Factor>,<Uplink Repetition Factor>,<RSRP>,<CINR>
<UE State> is not between double quotation marks.
The set command parameters and their defined values are the following:
- <reporting>
- 0 – Disable unsolicited notifications
- 1 – Enable unsolicited notifications
- <CE Enabled>
- 0 – Serving cell does not support CE mode A/B
- 1 – Serving cell supports CE mode A/B
- <UE State>
- User Equipment (UE) state at the time of the report.
- I – Idle
- R – RACH
- C – Connected
- <Downlink Repetition Factor>
- Downlink repetition factor.
- If <UE state> is Idle or RACH, it is set to
mpdcch-NumRepetition according to the current radio condition (i.e. RSRP) and
prach-ParametersListCE-r13 in SIB2 if the access technology is LTE-M. It is set to
npdcch-NumRepetitions according to the current radio condition and
NPRACH-Parameters-NB-r13 in SIB2-NB if the access technology is NB-IoT.
- If <UE state> is Connected, it is set to mpdcch-NumRepetition
for the radio bearer if the access technology is LTE-M. It is set to
npdcch-NumRepetitions for the radio bearer if the access technology is NB-IoT.
- <Uplink Repetition Factor>
- Uplink repetition factor.
- If <UE state> is Idle, it is set to
numRepetitionPerPreambleAttempt accordig to the current radio condition.
- If <UE state> is RACH, it is set to
numRepetitionPerPreambleAttempt selected by UE.
- If <UE state> is Connected, it is set to repetition number for
PUSCH if the access technology is LTE-M. It is set to repetition number for NPUSCH if
the access technology is NB-IoT.
- <RSRP>
- Current Reference Signal Received Power (RSRP) level at the time of report. Numerical range
in dBm.
- 255 – Not known or not detectable.
- <CINR>
- Current CINR level at the time of report. Numerical range in dBm.
- 127 – Not known or not detectable.
The following command example subscribes unsolicited CE notifications:
AT+CEINFO=1
OK
The following is an example of an unsolicited CE notification:
+CEINFO: 1,1,C,5,3,-50,10