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Author Topic: Gprs Connection Instability  (Read 2923 times)

Darth_Sith

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Gprs Connection Instability
« on: September 02, 2006, 05:41:58 am »
Hi all.
I connect my zaurus with my phone over bluetooth and irda.
After some minutes (random, it takes 1min or 1hour), the connection become inactive. It doesn't go down, but no more byte are sent or received.
I don't understand why...

And if I want to use UMTS?
What I have to do?
How is possible break the limit of bluetooth (or irda) speed (5kbs against 50 of umts)?
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Darth_Sith

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Gprs Connection Instability
« Reply #1 on: September 30, 2006, 09:42:19 am »
I want to inform that Zaurus switch automatically in UMTS, but it's too slow...

I think becouse bt is very slow on Z.

The speed is about 10KBs in download.
Anyone can post some experience?
There are some driver that can improve bt speed?
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anunakin

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Gprs Connection Instability
« Reply #2 on: September 30, 2006, 10:25:42 am »
Quote
I want to inform that Zaurus switch automatically in UMTS, but it's too slow...

I think becouse bt is very slow on Z.

The speed is about 10KBs in download.
Anyone can post some experience?
There are some driver that can improve bt speed?
[div align=\"right\"][a href=\"index.php?act=findpost&pid=142715\"][{POST_SNAPBACK}][/a][/div]

With a Moto U6 and another V3 .... the BT speed is very ugly ... about 7K/s(70kbps) ..... but using my other ... Sony w800i ... the connection speeds to 80K/s (800kbps) ...    I this issue stay at fone and not on Z....
« Last Edit: September 30, 2006, 10:26:52 am by anunakin »
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Anunakin (Marcus Fazzi)

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Darth_Sith

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Gprs Connection Instability
« Reply #3 on: September 30, 2006, 10:51:11 am »
Thanks anunakin, but I hava a w900i, that is very very fast...
Also with my pc zaurus is slow..
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Reaper

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Gprs Connection Instability
« Reply #4 on: October 02, 2006, 02:55:24 am »
Maybe USB-BT dongles will help. Or, if I'm correct, some clone of Billionton CF BT, which supports BT 1.2. I strongly suspect it's fake, but, if anyone is interested in such card, I'll post a link here.

P.S. With beta1 and Dillo my Socket BT/Nokia 6630 easily went up to 256 kbps (EDGE), so I'm almost sure it isn't software-related problem.

P.P.S. Yes, it's pretty unstable, connection ruins each 5-7 minutes, though once I was able to work ~25 minutes without problems.
« Last Edit: October 02, 2006, 02:57:22 am by Reaper »
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Darth_Sith

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Gprs Connection Instability
« Reply #5 on: October 02, 2006, 03:56:54 am »
My test:
Connection go down ONLY if I use gaim and another program (dillo, firefox...). It's very strange...

The speed is about 7-10KBs for file transfer and connection.
My cf is a dlink. My other device have a correct speed.
My linux desktop, with same bt dongle of winz, is very slow.
So I think that linux driver is the reason.
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merli

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Gprs Connection Instability
« Reply #6 on: October 02, 2006, 04:23:27 am »
Quote
My test:
Connection go down ONLY if I use gaim and another program (dillo, firefox...). It's very strange...

The speed is about 7-10KBs for file transfer and connection.
My cf is a dlink. My other device have a correct speed.
My linux desktop, with same bt dongle of winz, is very slow.
So I think that linux driver is the reason.
[div align=\"right\"][a href=\"index.php?act=findpost&pid=142820\"][{POST_SNAPBACK}][/a][/div]

I have same problem with Nokia 6230i ... When I had SE T610 everything was OK, now I can connect to GPRS over BT but connection is down in 1 minute. I dont know if the problem is in Nokia's firmware or in Bluez driverz or in Billionton CF card.
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merli
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anunakin

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Gprs Connection Instability
« Reply #7 on: October 02, 2006, 08:16:37 am »
I using a BT USB dongle, and no have any issue on beta3 or r121 .... only slow with moto cellphones...  
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Anunakin (Marcus Fazzi)

Nokia N900 32GB + microSD 2GB
Nokia N810 w/ microSD 8GB
Nokia 5310 XpressMusic w/ microSD 1GB
HP48GX->Psion Sienna->Palm m130->Tungsten T->Zaurus SL-5500->C3000->C3100 ALL SOLD

My FEED(On Line AGAIN!!!)

Darth_Sith

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Gprs Connection Instability
« Reply #8 on: October 02, 2006, 10:18:39 am »
The nokia's problem is known.
Also with palm the connection go down after 1minute, so this isn't a zaurus problem.
Anunakin, the reason of your speed is beta3 or 121 (I think).
Can you post the version of bt ipk that you use?
You can also send file? I can only receive...
I use also a bt dongle, but the speed with my beta1 is the same...
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albertr

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Gprs Connection Instability
« Reply #9 on: October 02, 2006, 11:20:44 am »
I use Nokia 6230b and built-in bt 1,1 module. Can stay for hours online and can drive for a few hours having internet connection uninterrupted on my Z. EDGE here is about 90-100kbps downstream on average day, so I'm waiting for UMTS/HSDPA available.
-albertr
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