Vodafone video presentation

[EraserXIV]

Originally Posted by Super Bling

1. It Say's Voice And Data - Can Do Two Things At Once.... Unreal, Can Surf The Net While Talking On The Phone.. This Is Awesome.... at 25 seconds into the video

However, notice at the end of the statement "It can do two things at once", there are 3 numbers in superscript, meaning that there are more details about it in the fine print.

So there's more to the story... what? i don't know

maybe when a call comes, the data session is put on hold, and when you hang up the data session is resumed from where you were... maybe that's what they mean by that?

[EraserXIV]

Originally Posted by reuvypoo

By the way, this presentation is obviously for the 9500. The 9530 will NOT be able to do voice and data simultaneously. Only GSM phones can do this on a WCDMA or EDGE network. For CDMA, there are two separate streams, 1XRTT for voice and 2G data and EVDO for 3G DATA. EVDO stands for evolution data only, as in no voice. So no simultaneity.

why can't the EVDO and 1X stream both receive and broadcast at the same time? is there a technological limitation in the hardware?

[sdotmiles]

Nice. thats a cool sam sparro song also

[notabun]

Eraser, that is what I get from it. BBs do that now and its good enough for me.

[reuvypoo]

Originally Posted by EraserXIV

why can't the EVDO and 1X stream both receive and broadcast at the same time? is there a technological limitation in the hardware?

It is a software and hardware limitation. It'd be like trying to view two channels at once on a TV. Originally, EVDO was supposed to be EVDV-evolution data and voice, but Qualcomm ended up not going though with it because CDMA providers had already started putting up EVDO. But 1XRTT voice quality far surpasses GSM, EDGE, and WCDMA. And EVDO is in over 10x as many locations as HSPA for AT&T. And at the moment, faster, too. So when Verizon has LTE up in 2010, AT&T won't even start LTE infrastructure until 2013. So I will go with the currently faster, more reliable, more widespread network, while the only limitation is not being able to do voice and data simultaneously.

[Crucial_Xtreme]

Originally Posted by reuvypoo

It is a software and hardware limitation. It'd be like trying to view two channels at once on a TV. Originally, EVDO was supposed to be EVDV-evolution data and voice, but Qualcomm ended up not going though with it because CDMA providers had already started putting up EVDO. But 1XRTT voice quality far surpasses GSM, EDGE, and WCDMA. And EVDO is in over 10x as many locations as HSPA for AT&T. And at the moment, faster, too. So when Verizon has LTE up in 2010, AT&T won't even start LTE infrastructure until 2013. So I will go with the currently faster, more reliable, more widespread network, while the only limitation is not being able to do voice and data simultaneously.

AT&T is currently preforming LTE trials in Europe.

[EraserXIV]

Originally Posted by reuvypoo

It is a software and hardware limitation. It'd be like trying to view two channels at once on a TV.

that's why there's Picture in Picture!

but on a more serious note, if it's anything similar to TV... would it be possible to somehow implement it in the future with some soft of hardware-software upgrade? i mean in the past no one ever though of having PIP on TV, but when it came along it was pretty big. can this same concept apply to 1X and EVDO?

or would it not even be worth the effort to implement this? would a future upgrade to something like EVD-voice and data (or LTE) be a more economical/effiicent choice? (instead of fixing something that's broken, starting over and building something new that's going to be better anyway)

another question: does LTE support voice and data at the same time?

[reuvypoo]

Originally Posted by Crucial_Xtreme

AT&T is currently preforming LTE trials in Europe.

AT&T expected to launch LTE 'within five years' (Phone Arena)
Everyone is performing trials, but AT&T wants to get the last (though they barely have any) out of their HSPA infrastructure. So while speeds on AT&T will remain at their current level, perhaps a little higher, Verizon wants to convert to LTE ASAP. Of course, I imagine for 2 or 3 years, many phones will be CDMA/LTE until the network is built out completely, but I appreciate the speed and abundance of EVDO Rev.A. While AT&T HSPA may be wonderful, I need to be able to receive it on a constant basis, wherever I go, and not have my speeds incredibly slow because of the mass of iPhone 3G users.

[reuvypoo]

Originally Posted by EraserXIV

that's why there's Picture in Picture!

but on a more serious note, if it's anything similar to TV... would it be possible to somehow implement it in the future with some soft of hardware-software upgrade? i mean in the past no one ever though of having PIP on TV, but when it came along it was pretty big. can this same concept apply to 1X and EVDO?

or would it not even be worth the effort to implement this? would a future upgrade to something like EVD-voice and data (or LTE) be a more economical/effiicent choice? (instead of fixing something that's broken, starting over and building something new that's going to be better anyway)

another question: does LTE support voice and data at the same time?

I am sure it is possible, but since LTE will come into the picture, which can do both at the same time, it is an unnecessary addition.

[EraserXIV]

Originally Posted by reuvypoo

I am sure it is possible, but since LTE will come into the picture, which can do both at the same time, it is an unnecessary addition.

i see. well how do these LTE upgrades work? do they upgrade the existing infrastructure, or do they build an entirely new one from the ground up?

i know in semiconductor chip manufacturing, whenever they upgrade to a new process (ie shrink die size from 45nm to 32nm), they need to build an entirely new fabrication plant (FAB). the old FAB cannot be used in the new manufacturing process and is either abandoned/sold or used to produce low-end chips.

[blackmannx]

good find on the video.. I can see the unlocking masses trying to run this on At&T.... gsm does allow voice and data at the same time while CDMA is one or the other but you can still get sms messages while on the phone?? Always wondered how that worked...

[reuvypoo]

Originally Posted by EraserXIV

i see. well how do these LTE upgrades work? do they upgrade the existing infrastructure, or do they build an entirely new one from the ground up?

i know in semiconductor chip manufacturing, whenever they upgrade to a new process (ie shrink die size from 45nm to 32nm), they need to build an entirely new fabrication plant (FAB). the old FAB cannot be used in the new manufacturing process and is either abandoned/sold or used to produce low-end chips.

For GSM, it will be upgrading existing infrastructure, while for CDMA, it requires whole new everything. It will be a lot of work. Sort of like AT&T transferring from TDMA to GSM. For the chips, that's Qualcomm's job, most likely. LTE is not completely finalized yet, however, so any testing is on pre-production software and hardware. We will see what will come. I do know that theoretical LTE data tests were done and achieved speeds over 100 mbps. More likely 20-30mbps in real life. I can't wait, however.

[reuvypoo]

Originally Posted by blackmannx

good find on the video.. I can see the unlocking masses trying to run this on At&T.... gsm does allow voice and data at the same time while CDMA is one or the other but you can still get sms messages while on the phone?? Always wondered how that worked...

It works because they both use the 1XRTT side of the network.

[BigVDawgy]

Originally Posted by reuvypoo

For GSM, it will be upgrading existing infrastructure, while for CDMA, it requires whole new everything. It will be a lot of work. Sort of like AT&T transferring from TDMA to GSM. For the chips, that's Qualcomm's job, most likely. LTE is not completely finalized yet, however, so any testing is on pre-production software and hardware. We will see what will come. I do know that theoretical LTE data tests were done and achieved speeds over 100 mbps. More likely 20-30mbps in real life. I can't wait, however.

Qualcomm has developed a solution to go directly from CDMA to LTE, it shouldn't be anywhere as drastic as the AT&T switch from TDMA to GSM.

EDIT: Here's a couple links
Qualcomm gets cozy with LTE, makes migrating from CDMA a snap - Engadget
Qualcomm Offers CDMA-to-LTE Migration Path | PhoneNews.com

[reuvypoo]

Originally Posted by BigVDawgy

Qualcomm has developed a solution to go directly from CDMA to LTE, it shouldn't be anywhere as drastic as the AT&T switch from TDMA to GSM.

EDIT: Here's a couple links
Qualcomm gets cozy with LTE, makes migrating from CDMA a snap - Engadget
Qualcomm Offers CDMA-to-LTE Migration Path | PhoneNews.com

Alright. I don't know that one because I didn't get obsessed with phones until April of this year. Hooked ever since. So it shouldn't be that difficult then, wonderful!