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Rx path imbalance alarm

ishmael - 13th March 2015  (22:33 GMT)

Rx path imbalance in 6101 cabinet

ngocvector - 9th January 2014  (17:17 GMT)

I think you should re-check the steps as bellow :
-Jumper & feeder cable & connector
-involvement equipment
* If everything is ok, you should supervise antenna to show parameter get simple and receive power level how much dB and associate with BSC to check some power control parameter. cause of it has some issue but BTS can not check.
Have a success..!

pix - 4th September 2013  (17:57 GMT)


check your antenna system, there is one of the 2 feeders for that sector which is not transmitting signal to your BTS properly.

So check, frombottom to top:

0/ vswr on each cable
1/ bts internal cabling tx and rx
2/ jumpers from bts
3/ feeders
4/ couplers / diplexers/triplexers
5/ tma
6/ jumpers to antenna

the idea is to find an inversion somewhere.

you can also check sdcch/tch allocation success rate for each trx, see if some trx are poor. In such case, check other sectors too. if other TRX are poor too, then you can assume there is a cross jumpers issue.


dickson richy - 3rd September 2013  (19:51 GMT)

how to solve rx path imbalance

jamil - 29th April 2012  (10:24 GMT)

hi yassine
try to chick the VSWR and the IDB

YASSINE - 19th April 2012  (22:19 GMT)

wouled you please show me how can I resolve definitely the alarm Rx path imbalance in RBS 2206.

jude - 14th June 2010  (13:25 GMT)

Please help me how can I resolve definitely Rx path imbalance in RBS 2106.

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