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EV-DO Revision B Standard Finalized

Nov 16, 2005, 5:21 PM by (staff)

The CDMA Development Group (CDG) today announced the specs for EV-DO Rev. B are on track to be published early next year. The technology that will enable the latest revision has been finalized, and expected peak speeds have been announced. Using a standard 1.25 MHz CDMA channel, a user should see peak speeds of 4.9 Mbps, Revision A has a claimed peak speed of 3.1 Mbps. In addition, multiple channels can be dynamically joined for higher data rates. For example, 4 channels linked into a 5 MHz band could reach speeds of 14.7 Mbps. The CDG is touting download speeds of 73.5 Mbps and uploads of 27 Mbps if a carrier could join 15 channels into a 20 MHz super channel, however it is unlikely any network could afford to dedicate such bandwidth to a single connection. The CDG expects carriers could launch Revision B as soon as 2008.

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Comments

This forum is closed.

This forum is closed.

nextel18

Nov 18, 2005, 11:08 AM

nice job qualcomm

great job.. provide more technologies so that you can make more money.. 🙂

especially with hsdpa..

time to control that market too.

good job qualcomm!!

(i do have stock in qcom for disclosure)

muchdrama

nextel18 said:
great job.. provide more technologies so that you can make more money.. 🙂

especially with hsdpa..

time to control that market too.

good job qualcomm!!

(i do have stock in qcom for disclosure)

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SystemShock

Nov 16, 2005, 5:50 PM

73.5 Mbps Super-Channel?!?

Why in the world would I need that? Am I a supercomputer tryin' to take over the world? 😳

muchdrama

SystemShock said:
Why in the world would I need that? Am I a supercomputer tryin' to take over the world? 😳

I agree.

"The CDG is touting download speeds of 73.5 Mbps and uploads of 27 Mbps if a carrier could j...
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evilbstrd666

No, just need your phone porn in an extreme hurry.

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nextel18

many people/companies might not need it, but it is good that it is there.

reason right here "however it is unlikely any network could afford to dedicate such bandwidth to a single connection".

FONdude

Nov 17, 2005, 7:14 PM

Wireline WAN substitution

These bonded channel configs will lend themselves to being able to replace "last mile" access circuits on traditional wired WAN technologies.

I think you can look for Frame Relay & MPLS networks to be delivered by this capability in the future, eliminating the RBOC local local loop.

Sure it would be great to have DS3 speeds to a single laptop. But, I don't think that's the practical application for this.

CamelTowing

Nov 16, 2005, 7:07 PM

Still nothing like VSF-OFDM

I read an article that has NTT DoCoMo planning it's 4G technology. It's called VSF-OFDM and it offers 100g downlink. They said it will be available 2010.

eric Lin

well, Rev. B will use OFDM technology, but since they have to do it within the confines of the CDMA protocol, it won't yield quite the same benefits. pretty much every technology for 2008 and beyond in the foreseeable future will use OFDM. mysteriousl...
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