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Reply To: Ivann



Dear St.Pix,

… What do you mean “is failing in BBH” – case when there are no alarms on trx at all, and it seems normal but has problem with frequency synthesizer (for example) and has bad KPIs ? If yes – ooh, I saw this problem very often in RNO – a huge red spot on RxLev/RxQual DL matrix, and – as a consequence – yes, increasing of DCR. But it was a puzzle for me which couldn’t be explained with our docs.
Moreover, another simple situation is clear for me now: why in case of low traffic in the cell with 2 or 3 tres (BBH of course) we can see measurement only for one tre (usually – the last TCH tre). If MS hops between tres and served by different tres we must see rather different picture :)))

You are absolutely right about GSM (or DCS) – it’s last century :((
As for our company – while it’s getting 80% of its benefit from GSM network we must devote 99% of our working day to it. We have just deployed a 3G network – 1xEVDO (450MHz) on Alcatel-Lucent equipment. It isn’t large but it works!! Now I’m at the beginning of exploring its behavior :)))))