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bMobile 850 MHz up and running!

#136 User is offline   philip Icon

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Posted 24 November 2006 - 09:06 AM

I dont think you are correct that it is happening all around - it has only started since 850 was enabled and only affects phones that are 850 capable
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#137 User is offline   Cool3ni Icon

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Posted 24 November 2006 - 04:11 PM

When I said all round I meant that it happens most of the time to me,an you are wrong to say that it only affects 850 band fones,coz I have a tri band.I more believe this is a problem on the network itself an not service,if you look up how gsm transmission works with all this data transfer you may understand.
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#138 User is offline   philip Icon

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Posted 25 November 2006 - 08:49 AM

what I meant was: it only affects Tri-Band phones (and quad band phones) where one of the bands is 850 - those that have dual band phones (without 850MHz) are not having these problems.....
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#139 User is offline   jsm1985 Icon

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Posted 25 November 2006 - 11:15 AM

Well dual- band phones with 850 won't have these problems either, cuz they will be 850/1900..basically be pure 850.

The problem does indeed stem from the handoffs between 850 and 1800 bands and vice versa...
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#140 User is offline   philip Icon

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Posted 25 November 2006 - 05:49 PM

Quote

Well dual- band phones with 850 won't have these problems either, cuz they will be 850/1900..basically be pure 850.


Technically you are correct, but for bmobile there wont be many phones around like that - most bmobile dual band phones would not have 850, but 900 (and those handsets will NEVER see any penetration improvement from the death of TDMA and the birth of bmobile gsm 850 - however they will have a more stable user experience)

also, what is also potentially confusing to some is that many tri band phones being sold in Trinidad (not from bmobile or digicel) are 900/1800/1900 - these too would not see the problems even though they are "tri-band"
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#141 User is offline   mario2001 Icon

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Posted 26 November 2006 - 03:41 PM

jsm1985, on Nov 14 2006, 10:14 AM, said:

Actually for some reason, I think that 850 is the source of all my problems on my 6230... i get alot of dropped calls and blank outs (not hearing the other person for a few seconds, and vice versa) even though I have good service.

I notice that my signal bar fluctuates alot during this time, and then all of a sudden, it goes right up to full signal and i can hear the other person properly.

Weird...

That is my point exactly that i believe is a hand over problem (when the signal drops its because the phone senses that the 1800mhz signal is low and switches to 850mhz and you get full service) I have insisted that becasue 850mhz and 1800mhz do not go hand in hand there will be problem with the hand over or (the switchin bettween the bands
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