Verizon launching simultaneous voice and data over CDMA 1X Advanced SVDO network soon

31 01 2011

With an Engadget post this afternoon, the rumors of the HTC Thunderbolt supporting simultaneous voice and data have been confirmed.  Though, the real story here is that Verizon appears to be close to rolling out a simultaneous voice and data network over CDMA/1X Advanced known as SVDO.

Announced back in 2009, 1X Advanced allows 3G CDMA operators to significantly increase the voice capacity of their CDMA2000 1X network by taking advantage of several interference cancellation and radio link enhancements.  Among these improvements are base transceiver station (BTS) interference cancellation, improved power control, early frame termination, and smart blanking.  The complete set of 1X Advanced enhancements can theoretically quadruple the voice capacity of CDMA2000 1X systems in the same 1.25 MHz of spectrum.

With this, a complementary device enhancement known as simultaneous 1X Voice and EV-DO Data (SVDO) will become available during the same timeframe and will enable CDMA2000 devices to access EV-DO packet data services while in an active 1X circuit-switch voice call.

Though the iPhone 4 will not support SVDO, it guarantees that VZW will be able to handle the number of iPhones about to flood its network.  Also, any of the up and coming devices with newer chipsets will have SVDO support, and will be able to use the service.  Note in the slide above from Qualcomm’s “what’s next for CDMA”, a reference to “Mobile Rx Diversity” supported with 1X Advanced.  Linking this back to the leaked CDMA Blackberry story Crackberry posted last week, the Bold Touch, AKA “Montana” will have “Receive Diversity”?  Remember my comment on the Podcast this week about it?  Well, this is it, the ability to support simultaneous voice and data.

So far, we don’t know when Verizon is planning to launch the updated network.  Though current rumors have the Thunderbolt launching around February 24th, meaning the network could be live by then.

Source: Engadget, EVDOInfo, Qualcomm,


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34 responses

1 02 2011
ejoy janes

my prepaid phones in use today have a high sars rating. verizon tells me i cannot get the Sar rating or value on their next phones to be released until they re on the market. i was thinking of the fascinate as it had half the sar value of what i am using the rumour touch and the samsung smooth. any idea how to get sar rating for verizons not yet released lte 4g bionic and thunderbolt and revolution

1 02 2011
ejoy janes

This is my first ever note to you and it is telling me it is a duplicate. my prepaid phones in use today have a high sars rating. verizon tells me i cannot get the Sar rating or value on their next phones to be released until they re on the market. i was thinking of the fascinate as it had half the sar value of what i am using the rumour touch and the samsung smooth. any idea how to get sar rating for verizons not yet released lte 4g bionic and thunderbolt and revolution lg and zoom motorola and a samsung smartphone as of yet unnamed.

1 02 2011
ejoy janes

Send me follow up comments by email and updates. i already get daily emails from u and did not realize i had to check off boxes for follow up comments.

6 02 2011
The Cell Phone Junkie Show #245 « The Cell Phone Junkie

[...] Verizon launching simultaneous voice and data over CDMA 1X Advanced SVDO network soon US Smartphone adoption rate nearing 1/3, Android, RIM, iOS evenly spread Android overtook Symbian [...]

8 02 2011
TCPJ Unlocked Show #075 « The Cell Phone Junkie

[...] Montana will get simultaneous voice and data [...]

14 02 2011
TiPb Answers: Verizon iPhone and the limitations of CDMA | Ipad & Iphone Tech | Ipad & Iphone Technology Blog | Ipad & Iphone Tech

[...] voice as well as interpretation upon destiny CDMA/EVDO phones, though not the Verizon iPhone. (See The Cell Phone Junky for some-more upon the [...]

14 02 2011
TiPb Answers: Verizon iPhone and the limitations of CDMA

[...] allow for simultaneous voice and data on future CDMA/EVDO phones, but not the Verizon iPhone. (See The Cell Phone Junky for more on the [...]

14 02 2011
TiPb Answers: Verizon iPhone and the limitations of CDMA | APPLIPHILIA

[...] allow for simultaneous voice and data on future CDMA/EVDO phones, but not the Verizon iPhone. (See The Cell Phone Junky for more on the [...]

14 02 2011
Smart Phone Top 10 » TiPb Answers: Verizon iPhone and the limitations of CDMA

[...] allow for simultaneous voice and data on future CDMA/EVDO phones, but not the Verizon iPhone. (See The Cell Phone Junky for more on the [...]

14 02 2011
TiPb Answers: Verizon iPhone and the limitations of CDMA - Reviews on the Latest Gadgets on the Market - Hot-cool-gadgets.com Blog

[...] allow for simultaneous voice and data on future CDMA/EVDO phones, but not the Verizon iPhone. (See The Cell Phone Junky for more on the [...]

14 02 2011
TiPb Answers: Verizon iPhone and the limitations of CDMA « artisticartist.com

[...] allow for simultaneous voice and data on future CDMA/EVDO phones, but not the Verizon iPhone. (See The Cell Phone Junky for more on the [...]

15 02 2011
Sprint will decide on LTE by mid-year, launching CDMA 1X Advanced « The Cell Phone Junkie

[...] percent to 40 percent improvement in capacity and performance.  We reported a few weeks ago that Verizon would be rolling out a 1X Advanced network as well, though so far we don’t have a [...]

16 02 2011
TiPb Answers: Verizon iPhone and the limitations of CDMA | TiPb

[...] allow for simultaneous voice and data on future CDMA/EVDO phones, but not the Verizon iPhone. (See The Cell Phone Junky for more on the [...]

15 03 2011
Wirefly says HTC Thunderbolt will have simultaneous 3G voice and data « The Cell Phone Junkie

[...] Back in January, we connected the dots on the Verizon launch of a simultaneous voice and data network over CDMA/1X Advanced known as SVDO.  On Monday, online reseller Wirefly announced that along with sales of the device starting with them this week, the phone will definitely support SVDO.  No word yet from Verizon officially on the new network. [...]

22 04 2011
iPhone 5 will be CDMA + GSM, iPhone 6 to include LTE with Qualcomm MDM9615 « The Cell Phone Junkie

[...] iPhone 4 and will use the same A5 dual-core processor found in the iPad 2.  Further, the move to CDMA 1X-Advanced SVDO by Verizon will likely be something Apple seriously considers in the 5th version of the iPhone.  [...]

23 04 2011
#iPhone-5 será CDMA + GSM, el iPhone-6 para incluir LTE con Qualcomm MDM9615 « Twitteros Buena Onda NEA

[...] la A5 mismo procesador de doble núcleo que se encuentran en el IPAD 2. Además, el paso a CDMA 1X-Avanzadas SVDO por Verizon probablemente será algo que Apple considera seriamente en la 5 ª versión del iPhone. [...]

3 06 2011
TiPb Answers: Verizon iPhone and the limitations of CDMA | iPhone Greece

[...] allow for simultaneous voice and data on future CDMA/EVDO phones, but not the Verizon iPhone. (See The Cell Phone Junky for more on the [...]

6 08 2011
4 10 2011
iPhone 4S significantly upgrades device antenna « The Cell Phone Junkie

[...] what wasn’t discussed?  The idea of CDMA 1X-Advanced SVDO.  This technology is used to create a simultaneous voice and data scenerio that functions to the user much like [...]

9 10 2011
Verizon and Sprint iPhone 4S and the limitations of CDMA | iPhone Greece

[...] for simultaneous voice and data on CDMA/EV-DO phones, but not the Verizon or Sprint iPhone. (See The Cell Phone Junky for more on the [...]

9 10 2011
Verizon and Sprint iPhone 4S and the limitations of CDMA | Logic Soft Services

[...] for simultaneous voice and data on CDMA/EV-DO phones, but not the Verizon or Sprint iPhone. (See The Cell Phone Junky for more on the [...]

9 10 2011
Verizon and Sprint iPhone 4S and the limitations of CDMA | The Bob Clark

[...] for simultaneous voice and data on CDMA/EV-DO phones, but not the Verizon or Sprint iPhone. (See The Cell Phone Junky for more on the [...]

9 10 2011
Verizon and Sprint iPhone 4S and the limitations of CDMA | GamersMB

[...] for simultaneous voice and data on CDMA/EV-DO phones, but not the Verizon or Sprint iPhone. (See The Cell Phone Junky for more on the [...]

9 10 2011
Verizon and Sprint iPhone 4S and the limitations of CDMA | You Pick It...We App It!

[...] for simultaneous voice and data on CDMA/EV-DO phones, but not the Verizon or Sprint iPhone. (See The Cell Phone Junky for more on the [...]

9 10 2011
Verizon and Sprint iPhone 4S and the limitations of CDMA | iphone 4S issues

[...] for simultaneous voice and data on CDMA/EV-DO phones, but not the Verizon or Sprint iPhone. (See The Cell Phone Junky for more on the technology.)SMS/Text splittingSMS/Text messages are limited to 160 characters. On [...]

9 10 2011
Verizon and Sprint iPhone 4S and the limitations of CDMA

[...] for simultaneous voice and data on CDMA/EV-DO phones, but not the Verizon or Sprint iPhone. (See The Cell Phone Junky for more on the [...]

10 10 2011
Verizon and Sprint iPhone 4S and the limitations of CDMA | iPhone Sourcing

[...] for simultaneous voice and data on CDMA/EV-DO phones, but not the Verizon or Sprint iPhone. (See The Cell Phone Junky for more on the [...]

16 10 2011
The Cell Phone Junkie Show #281 « The Cell Phone Junkie

[...] Comment from Jeff Question from Mike Voicemail from Tim Question from Angel Comment from Paul Question from [...]

19 10 2011
paul warner

What sort of download data speeds can you expect with SVDO compared to HSPA+??

27 12 2011
TCPJ Unlocked Show #100 « The Cell Phone Junkie

[...] Verizon launching simultaneous voice and data over CDMA 1X Advanced SVDO network soon [...]

17 01 2012
simultaneous data and voice - Android Forums

[...] It is theoretically possible for voice and data at the same time on the 3G network (voice does not use 3G btw) Verizon launching simultaneous voice and data over CDMA 1X Advanced SVDO network soon The Cell Phone… [...]

21 05 2012
paul warner

Did this ever get off the ground or was it killed by LTE would would make more sense..

22 05 2012
Mickey Papillon

Yes, the 1X advanced network is live. However, there are very few (HTC Thunderbolt is the only one I know of) that support it.

22 05 2012
Mickey Papillon

Great question – don’t think that was clarified.

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