Why?

[Dolby]

From experience in the past, I know when my PC says 'HSDPA', I get slow speed (ie now ... can't speed test and took about 30 minutes to post this. Timing out every few minutes and can't do anything).

Now when my PC is disconnected it displays UMTS - but the minute it gets an IP, it says HSDPS http://mybroadband.co.za/photos/showphoto.php/photo/15860/title/why-3f/cat/500

Why?

 

[morkhans]

Why.... can't you use more descriptive titles for your posts?

 

[Dolby]

It creates intrigue and wants you to click ... like a headline in an artcile

Anyway - do you have any clue? I know you're fairly clued up

 

[Ockie]

UMTS - STANDARD 3G (385kbps)
HSDPA - SUPER DOOPER 3G (14.4mbps)

The reason why it changes is as follows. When your modem registers on the network (no active connection yet, but it is logged on) then it will be on standard 3G (UMTS). When you click connect and the connection goes active, it will then rev up to HSDPA to enable the faster speed. This is done automatically between the end user equipment and the BTS. When the connection goes idle (no active downloading or browsing, then the tower and modem will scale your connection back down to UMTS to conserve network resources.

Hope this explains it for ya.

 

[morkhans]

It creates intrigue and wants you to click ... like a headline in an artcile

...which offends my OCD

Anyway - do you have any clue? I know you're fairly clued up

What OC said:

UMTS - STANDARD 3G (385kbps)
HSDPA - SUPER DOOPER 3G (14.4mbps)

The reason why it changes is as follows. When your modem registers on the network (no active connection yet, but it is logged on) then it will be on standard 3G (UMTS). When you click connect and the connection goes active, it will then rev up to HSDPA to enable the faster speed. This is done automatically between the end user equipment and the BTS. When the connection goes idle (no active downloading or browsing, then the tower and modem will scale your connection back down to UMTS to conserve network resources.

Hope this explains it for ya.

And to add: I have used the option dash quite a bit and have not had issues on HSDPA, so there is probably something wrong with the tower in your location.

 

[Iam3G]

Universal Mobile Telecommunications System (UMTS) is one of the third-generation (3G) mobile telecommunications technologies

UMTS - Wikipedia

UMTS is just another name for 3G, IMO.

 

[Dolby]

Weird - and when it says HSDPA I seem to get slower and worse than with UMTS :/

Thanks for the replies though.

 

[Iam3G]

Weird - and when it says HSDPA I seem to get slower and worse than with UMTS :/

Thanks for the replies though.

Like Morkhans said, theres probably something wrong with the Tower in your location.

 

[nuyork]

UMTS - STANDARD 3G (385kbps)
HSDPA - SUPER DOOPER 3G (14.4mbps)

Isn't it:-

3G/UMTS - Standard 3G (384 down - 64 up)
HSPDA - Super 3G (1.8 to 3.6 down - 384 to 1.2 up)
HSUPA/HSPA+ - Super Dooper 3G (7.2 to 14.4 down - 1.2 to 5.7 up)

Something like that. HSUPA is more like a pipe dream at the moment...

I have seen my modem/Vodafone Mobile Connect report HSUPA, and when checking on MDMA I get an uplink profile of 5.76mbps. So I'm guessing the site I'm connected to has been activated for HSUPA/14.4.