Command Line ReferenceΒΆ
The srsENB application runs in the console. When running, type t
in the console to enable the metrics trace. Example metrics trace:
------DL-------------------------------UL--------------------------------------------
rnti cqi ri mcs brate ok nok (%) pusch pucch phr mcs brate ok nok (%) bsr
47 15 0 27 49M 1000 0 0% 29.7 0.0 23.0 23 23M 1000 0 0% 130k
47 15 0 27 49M 1000 0 0% 29.7 0.0 23.0 23 23M 1000 0 0% 130k
47 15 0 27 49M 1000 0 0% 29.7 0.0 23.0 23 23M 1000 0 0% 128k
47 15 0 27 49M 1000 0 0% 29.6 0.0 23.0 23 23M 1000 0 0% 128k
47 15 0 27 49M 1000 0 0% 29.7 0.0 23.0 23 23M 1000 0 0% 128k
Metrics are generated once per second by default. This can be configured using the expert.metrics_period_secs parameter in enb.conf
.
Metrics are provided on a per-UE basis for the downlink (DL) and uplink (UL) respectively. The following metrics are provided:
- rnti
Radio Network Temporary Identifier (UE identifier)
- cqi
Channel Quality Indicator reported by the UE (1-15)
- ri
Rank Indicator reported by the UE (dB)
- mcs
Modulation and coding scheme (0-28)
- brate
Bitrate (bits/sec)
- ok
Number of packets succesfully sent
- nok
Number of packets dropped
- (%)
% of packets dropped
- pusch
PUSCH SNIR (Signal-to-Interference-plus-Noise Ratio)
- pucch
PUCCH SNIR
- phr
Power Headroom (dB)
- bsr
Buffer Status Report - data waiting to be transmitted as reported by the UE (bytes)