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Motorola Completes First EV-DO Rev. A to LTE Handoff

Article Comments  21  

Mar 26, 2008, 9:10 AM   by Eric M. Zeman

Motorola has successfully handed off packet sessions from an EV-DO Rev. A network to an LTE network. It used VoIP calls and streaming video feeds to illustrate how the hand-offs work. The hand-offs require handsets that are equipped with both LTE and EV-DO chipsets. This test shows that CDMA networks run by companies such as Verizon Wireless can transition to LTE technology smoothly in the future. The LTE standard has not yet been fully ratified, but the concepts Motorola used to conduct these tests are based on some of the core LTE network specifications.



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Mar 26, 2008, 6:07 PM

Is LTE true 4G?

It seems that I read somewhere that LTE has not been officially recognized as a '4G' standard.
And I would say it all depends on what hair you want to split. 4G is a rather vague term, but generally is referring to speeds significantly above what 3G technology brings to the table.

LTE is considered 4G by most groups.

Mar 26, 2008, 9:47 AM

Why Rev A?

This is great news! What I do not understand though is why the test was from Rev. A to LTE when to my knowledge there are no Rev. A handsets currently in use...only Rev. 0. The only Rev. A devices are data cards, no?
There is one rev a handset now and as we see more data intensive applications, I can imagine that we'll see more of them. The 6800 or mogul by sprint can be upgraded to rev a. Mostly the lte standard and evdo are for data exchange, so the standards ...
There are very few Rev A handsets right now (one or two PDA's and most data cards). However, Rev A allows for a Quality of Service specification. This will let network operators deploy such services as PTT or voice over Rev A, as this setting can let ...
Sprint Mogul recently was tweaked to Rev A. the only one out there so far

Mar 26, 2008, 5:05 PM

Very Interesting

It is very interesting to see more Media Independant Handover solutions (802.21) being implemented and demonstrated. I wouldn't be surprised to see if anyone comes up with WCDMA/Rev A or even WiMAX/RevA handover as well...

This shows that the trend is certainly moving towards LTE as the true 4G option and this would help in the transitions on carriers from 3G to 4G. Lets see how the standard itself matures in the years to come...


Mar 26, 2008, 10:26 AM

Help Me Work This Out Please

Okay. So EV-DO and LTE are basically data standards? Currently verizon still uses 1x for voice. Once they switch to LTE will they still be able to use 1x for voice? Do you think they will use the 700mzh spectrum to build out LTE or will they fill in gaps that their 850/1900 spectrum does not cover?
Most of the talk about the 700MHz spectrum was for its use as a data network. That isn't to say that Verizon wouldn't use some of the bandwidth available to begin using VOIP.

As for keeping 1X when LTE is launched, most definitely.

Mar 26, 2008, 9:46 AM



Verizon is finally starting to do the right thing by opening it's network to non-Verizon phones. Now they need to improve their own phone selection, hurry up and introduce new models and get rid of the stupid red and black UI. Next step after that is LTE.
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