RF is very good.
No VSWR alarm.
User trend and also MCS distribution of same cell fine.
Everything is fine, so maybe it is pure hardware issue.
I’ll send to field to swap the antennas.
Antennas of sector 1 and the affected.
You can also check:
Dsp tx branch
Dsp rx branch
(It’s with no outage).
Seems rru one pa faulty. Suspected.
Regarding my MIMO problem the other day…
I swapped the RRUs of the AAU antennas between sectors A & C and the problem shifted
So it is definitely an RRU problem.
- Incorrect MIMO definition /Check MIMO parameters
- Incorrect Port definitions
- Possible HW problem - Faulty RU, Antenna, Cabling etc
- Bad RF Conditions especially in low traffic conditions
- For Ericsson (if you have Cross Sector Redundancy Feature) - this is deactivating after 2nd carrier add but configuration at OSS or at the field cause Rank2 degradation