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Nokia Scrambles To Offer EV-DO Phones

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one reason why UMTS/ HSDPA will be more popular than EV-DO among carriers

pcrisp07

Mar 30, 2005, 2:45 PM
If Qualcomm scraps its efforts to make EV-DV an industry leading technology then UMTS looks like the way to go since it supports both voice and data.
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PooFlinger1

Mar 30, 2005, 3:01 PM
The article did not say that they were scrapping them, just shelving them so that they could release them when the time came. EV-DV will come around after EV-DO has been more fully deployed and kinks worked out of the system. As far as HSDPA, its not expected to be widely available until 2nd half of 2006, at which point EV-DV could very easily be in place.
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Rich Brome

Mar 30, 2005, 3:54 PM
Nah, EV-DV is dead.

All-IP with IMS is the future, and that's where everyone is headed with EV-DO rel A + VoIP. It made EV-DV obsolete before it even had a chance.
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Rich Brome

Mar 30, 2005, 3:51 PM
Not necessarily.

What the CDMA companies are looking at now is EV-DO rel A plus VoIP, eliminating the need for circuit-switched voice altogether. Qualcomm demonstrated it at CTIA. I tried it, and it worked quite well. In good signal conditions, it can actually have *less* latency than 1xRTT! 😳

It's a good technology, and Sprint-Nextel and Verizon are already talking about testing it. It's the reason EV-DV is basically dead. By moving to an all-IP architecture, it's actually much more advanced than standard UMTS. (Although all-IP is possible with UMTS-HSDPA, too.)
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nycdru

Mar 31, 2005, 4:11 PM
Maybee I am paranoid Rich but something about the idea of doing VoIP over the air really bothers me. Most notably the fact that VoIP over the internet is hard enought to make rock solid as it is. But dedicated air netowrks for this may solve this problem. I don't know. Making this work WELL in the real world may be more challenging than people think.
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Rich Brome

Mar 31, 2005, 4:38 PM
For many people, VoIP does have a certain stigma associated with it... I know what you mean.

But this is really pretty different from something like Vonage or Skype. This is VoIP since it uses IP, but it does not run over the Internet, which immediately eliminates most of the QoS issues that might affect VoIP most people are used to.

This is being designed by Qualcomm as a new standard. They already have it working at performance levels that meet or exceed 1xRTT. I've tried it, and it does seem to work as advertised.
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nycdru

Mar 31, 2005, 6:11 PM
Yeah, in thinking about it I figured its dedicated natue would eliminate alot of the problems.
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muchdrama

Mar 30, 2005, 3:52 PM
pcrisp07 said:
If Qualcomm scraps its efforts to make EV-DV an industry leading technology then UMTS looks like the way to go since it supports both voice and data.
How'd you come to that conclusion? Qualcomm's not scrapping their evolution data efforts all together...just EV DV.
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SPCSVZWJeff

Apr 4, 2005, 11:25 AM
By the time HSDPA is implemented EVDO release A will be rolled out. This will make EVDO and HSDPA roughly equivalent of each other. It will be very competitive for a while. Until someone moves to WIFI.
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SPCSVZWJeff

Apr 6, 2005, 11:47 AM
UMTS/HSDPA will be used in the states by Cingular, T-Mobile and smaller regional carriers that have chosen the GSM direction to 3G.
The vast majority of U.S. carriers have chosen CDMA. To change at this point would constitute a complete network rebuild which is not going to happen.
EVDO release a and HSDPA compete well with each other. Keep in mind that these technologies are evolving and in two years what we say is cutting edge today will become the everyday technology. The industry is moving towards a WIFI type network with VOIP. Nextel is testing Flarion in South Carolina and the results are positive.
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PhoenixAshes

Apr 6, 2005, 2:56 PM
SPCSVZWJeff said:
UMTS/HSDPA will be used in the states by Cingular, T-Mobile and smaller regional carriers that have chosen the GSM direction to 3G.
The vast majority of U.S. carriers have chosen CDMA. To change at this point would constitute a complete network rebuild which is not going to happen.
EVDO release a and HSDPA compete well with each other. Keep in mind that these technologies are evolving and in two years what we say is cutting edge today will become the everyday technology. The industry is moving towards a WIFI type network with VOIP. Nextel is testing Flarion in South Carolina and the results are positive.



Actually, many of the smaller regional companies are gsm. Many of them do not ha...
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muchdrama

Apr 6, 2005, 4:30 PM
PhoenixAshes said:
SPCSVZWJeff said:
UMTS/HSDPA will be used in the states by Cingular, T-Mobile and smaller regional carriers that have chosen the GSM direction to 3G.
The vast majority of U.S. carriers have chosen CDMA. To change at this point would constitute a complete network rebuild which is not going to happen.
EVDO release a and HSDPA compete well with each other. Keep in mind that these technologies are evolving and in two years what we say is cutting edge today will become the everyday technology. The industry is moving towards a WIFI type network with VOIP. Nextel is testing Flarion in South Carolina and the results are positive.



Actually, many of the smaller regional co
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