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Topic # 85441 19-Jun-2011 19:56
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In the past few months however it appears signal at our house has degraded to be worse than what it was last year.

I have a HTC Desire A8183 that is now a year old, and has been great to me. However looking at it now with "No Service" on my screen is a regular occurrence, as it drops in and out of signal.

Now i've just dealt with this, because i don't call from my mobile, and texts just get delayed until it comes back online.

However someone else at the household who has a Nokia e75 has recently been reporting more dropped calls recently - they are on a contract and use it for business purposes. Today i tried to make a call from their phone and it took about 6 attempts to make a connection. They too have just dealt with it by walking into certain spots but have been getting more and more tired of it with 3 dropped calls today.
Additionally, someone else who has a Samsung C5220 also reported random signal cut outs, but has since changed to 2degrees.

Our house has never had good reception, but i never recall it being this bad. It was a low but fairly reliable signal. Telecom CDMA here is perfectly on the other hand, for the one person in the house that has not 'upgraded', despite the fact it appears to be from the same cell site, according to RSM.

On my Desire, signal fluctuates from 0 to 2 bars, or more accurately -99dbm to -110dbm (at this point it cuts out), but typically sits at -103 to -105. Putting my sim in a Samsung Galaxy S i9000T shows -97dbm to -105dbm fluctuation from a brief 20min window of testing, but appeared to be similar behaviour to the desire (the cut outs are random). This is all sitting in the same spot on the desk.

I understand there's no guarantee of coverage, but it's simply got worse than when i first joined XT. Obviously outside by the road on the property receives signal fine, as being indoors is what reduces a lot of signal. The house is typical weatherboard and gib, nothing out of the usual.
I contacted telecom today about this, and had it logged. They said there was some work on the cell tower recently, but I pointed out this is mostly irrelevant as i've been dealing with this for months.
Is there anything at all I can do aside from go through their typical troubleshooting procedure as I did? Apparently it will be passed onto the network team.

The cell tower is located in an industrial area and servicing our residential area. Between the two is quite a few large metal industrial buildings, which are quite tall.

I have a strong feeling that this will never be resolved and i will have to live with crap coverage unless i change network (not so for the person on the contract), but I thought it was worth a shot asking if the Telecom team here or anyone else had suggestions.

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  Reply # 482890 19-Jun-2011 20:01
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Could be Cell Breathing. XT will have more users on it so the coverage foot print will change (shrink)

This is normal for WCDMA networks



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  Reply # 482891 19-Jun-2011 20:03
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johnr: Cell Breathing XT will have more users on it so the coverage foot print will change

Just googled this, this might explain the fluctuations in signal and why it appears to be 'random', fine sometimes and totally unusable in other cases. 

 
 
 
 


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  Reply # 482893 19-Jun-2011 20:06
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eXDee:
johnr: Cell Breathing XT will have more users on it so the coverage foot print will change

Just googled this, this might explain the fluctuations in signal and why it appears to be 'random', fine sometimes and totally unusable in other cases.?


And its normal for WCDMA networks and users on the fringe of cell coverage

It would take another cell built closer to your home to resolve this issue. I am sure Telecom NZ will not want to change the Azimuth of the signal from the Panel

John



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  Reply # 482902 19-Jun-2011 20:18
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johnr: It would take another cell built closer to your home to resolve this issue. I am sure Telecom NZ will not want to change the Azimuth of the signal from the Panel

I had a feeling this might be the case, as per the last paragraph from my first post.

Vodafone's network in Hamilton appears to be slightly denser at 28 - 31 sites whereas telecom has 22-23 sites. This figure really has no basis as a direct indication of coverage, as every site has a different output power (especially from different networks), but the fact there are more cell sites seems to help in situations like this (it definitely does in my area).

Still wondering if anyone from Telecom or other users had comments or suggestions. 

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  Reply # 482907 19-Jun-2011 20:32
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We have more coming as part of RBI for Waikato so we are going to bring 3G+ mobile coverage to the very rural areas of the Waikato

http://www.vodafone.co.nz/about/media-centre/rural-broadband-initiative/roll-out/

John


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  Reply # 483019 20-Jun-2011 08:32
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CDMA/WCDMA is terrible where I live also.


Voda & Telecom cell towers right next to each other just down the road too...


Telecom / XT reception: 0-1 bar.  Faded in and out continuously during the day. Very annoying.
Vodafone & 2degrees:  3-5 bars.



Went through the support process & gave evidence , list of other peoples numbers etc.
Telecom just said that they have no plans to upgrade / place repeaters or attempt to fix the problem, and that we should join vodafone or 2 degrees.


Which I have now done. Though I would have liked to stay with Telecom.






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  Reply # 483126 20-Jun-2011 12:41
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Yeah, the annoying thing is that it never used to be this bad. Perhaps as more people in the area joined XT the 'cell breathing' became more prominent.

The cell tower services a pretty sizeable area including lots of retail shops, so on busy days i imagine the number of users increases significantly.



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  Reply # 484531 22-Jun-2011 17:37
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Commented to telecom about cell breathing, they said that there were no capacity issues with that tower and so that it shouldn't be affecting it.
And my phones sitting on 3/4bars at -95 to -97db at the moment. 5:18pm, the shopping centre nearby has almost closed and a lot of residents nearby won't be home yet. This is a great signal.

Walked away from my PC, to finish posting this, and another person arrived home with an e75, dropping a call as they went up the driveway. A matter of a few minutes since i was showing a solid signal, their call dropped out (a business call), and my phone has cut out also (its been off for about 15mins now).

Extremely frustrating.

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  Reply # 484559 22-Jun-2011 18:38
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It's worth noting that RSSI or bars are pretty much a waste of time when it comes to measuring signal  quality and performance in a WCDMA system. You can have multiple serving cells delivering great RSSI but still get terrible performance.

RSCP and Ec/No are key indicators but can't be easily measured by the end user.

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  Reply # 484568 22-Jun-2011 18:51
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NZCrusader: CDMA/WCDMA is terrible where I live also.


Voda & Telecom cell towers right next to each other just down the road too...


Telecom / XT reception: 0-1 bar.? Faded in and out continuously during the day. Very annoying.
Vodafone & 2degrees:? 3-5 bars.



Went through the support process & gave evidence , list of other peoples numbers etc.
Telecom just said that they have no plans to upgrade / place repeaters or attempt to fix the problem, and that we should join vodafone or 2 degrees.


Which I have now done. Though I would have liked to stay with Telecom.




A carrier would not consider this a fault so nothing to fix



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  Reply # 484609 22-Jun-2011 20:01
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sbiddle: It's worth noting that RSSI or bars are pretty much a waste of time when it comes to measuring signal  quality and performance in a WCDMA system. You can have multiple serving cells delivering great RSSI but still get terrible performance.

RSCP and Ec/No are key indicators but can't be easily measured by the end user.

I understand that RSSI is relative to that device, but you can still see a comparative reduction in signal. I think its fair to say that it was working before without issues, and now its having problems, with it being particularly bad in the past month or so. It can fairly clearly be seen that the signal the device is picking up is fluctuating.

From looking around at what CID the phones are connecting to, it appears the phone may be roaming to another tower a little further away in another direction, and the constant swapping between the two at low signal is resulting in lots of dropouts perhaps? Just a theory.

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  Reply # 484620 22-Jun-2011 20:15
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Noticed this in Dunedin as well
Phone spends more time on a single bar of coverage than anything else

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  Reply # 485562 24-Jun-2011 17:16
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Quite possibly more users in the area is causing your already low indoor coverage to fluctuate, as the others have pointed out the term  is cell breathing.  No promises but if you send me the details including case via PM, I'll take a look.


 

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  Reply # 485693 25-Jun-2011 10:16
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johnr:
NZCrusader: CDMA/WCDMA is terrible where I live also.


Voda & Telecom cell towers right next to each other just down the road too...


Telecom / XT reception: 0-1 bar.? Faded in and out continuously during the day. Very annoying.
Vodafone & 2degrees:? 3-5 bars.



Went through the support process & gave evidence , list of other peoples numbers etc.
Telecom just said that they have no plans to upgrade / place repeaters or attempt to fix the problem, and that we should join vodafone or 2 degrees.


Which I have now done. Though I would have liked to stay with Telecom.




A carrier would not consider this a fault so nothing to fix





Possibly not though it makes me wonder what the point in building the tower there, when:

1.  The township is a bit further up.
2.  If the tower is only going to cover a very tiny area.



On the coverage map, we are in the blue "good" coverage area.
Telecom acknowledged that they did not know the tower gave very poor performance, but they said it was not commercially profitable to fix , build an extra tower, or place repeaters.

Hence why they just said to go with voda / 2deg.             




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  Reply # 485707 25-Jun-2011 11:07
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Coverage maps show out door coverage up to the road side not in door coverage as in door coverage will vary from house to house

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