 | | 800Mhz to use voice too? quote:
Once the iDen network is shut down, Sprint can use the 800 MHz spectrum currently used by that service for their upcoming LTE network.
I'm pretty sure they'll use 800Mhz for LTE and CDMA voice - but only for newer phones. This should put coverage/indoor signal on par with ATT/VZW at least in the markets Sprint is in.
Also looks like newer Sprint phones can do voice/data at same time for 3G, not just 4G. | |
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 |  kapilThe Kapil
join:2000-04-26
Chicago, IL | Re: 800Mhz to use voice too? said by xenophon:
Also looks like newer Sprint phones can do voice/data at same time for 3G, not just 4G.
Just curious where you heard this.... I had read that Sprint was one of the early supporters of the technology but dropped plans to deploy it after Verizon didn't show any interest in following suit.
Verizon was said to be pursuing it again last year to compete better with AT&T but as far as I know, the only phone that supports it is the Thunderbolt...and that was supposedly achieved by adding a second CDMA radio.
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| | | | Re: 800Mhz to use voice too? The Rezound does as well, but that shouldn't be too surprising since it's essentially a successor to the Thunderbolt. It, too, has two radios, but in my use, it looks like it only allows concurrent use while on Verizon and not while roaming.
I rarely realize how much of a benefit it really is especially since I dropped text messaging and use Google Voice exclusively. I don't have to wait until I'm off a call to receive notification of an incoming text. It's definitely handy. | |
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| | | | said by kapil:said by xenophon:
Also looks like newer Sprint phones can do voice/data at same time for 3G, not just 4G.
Just curious where you heard this.... I had read that Sprint was one of the early supporters of the technology but dropped plan »forum.xda-developers.com/showthr···=1653145 | |
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| | | | SVDO can only be done with two radios, there is no way of doing SVDO without more than one radio on CDMA. VoLTE will be able to use one radio because LTE is completely IP based, meaning voice will be more like VoIP on LTE when compared to CDMA voice. | |
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| | | | A second radio didnt get added.simultaneous voice and data over 3g is accomplished by using the 3g radio for data and the 1xrtt connection for voice and texts.in 4g areas 4g is data and 3g is voice and text. | |
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| | | | A second radio didnt get added.simultaneous voice and data over 3g is accomplished by using the 3g radio for data and the 1xrtt connection for voice and texts.in 4g areas 4g is data and 3g is voice and text. | |
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| | | | A second radio didnt get added.simultaneous voice and data over 3g is accomplished by using the 3g radio for data and the 1xrtt connection for voice and texts.in 4g areas 4g is data and 3g is voice and text. | |
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| | Sammer
join:2005-12-22
Canonsburg, PA | Re: 800Mhz to use voice too? said by iansltx:Several recent phones on Sprint have CDMA (I believe 1xAdvanced) on 800/SMR.
CDMA 2000 1X Advanced uses only half the spectrum that CDMA 2000 1X does so Sprint won't need much for 800 MHz voice. | |
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| | | iansltx
join:2007-02-19
Golden, CO
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| Re: 800Mhz to use voice too? Are you saying that CDMA 1xA has 625KHz carriers? Or just that it has a lot more capacity than the original 1x spec?
I would be mildly surprised if 625KHz carriers were actually used, since that trades off the capacity benefit, but that would explain the dramatic increase in coverage that Qualcomm advertises on the tech's page. | |
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| | | | Sammer
join:2005-12-22
Canonsburg, PA | Re: 800Mhz to use voice too? said by iansltx:Are you saying that CDMA 1xA has 625KHz carriers? Or just that it has a lot more capacity than the original 1x spec?
The latter, twice as much capacity in the same spectrum. | |
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| | | | | iansltx
join:2007-02-19
Golden, CO
kudos:2 Reviews:
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·Comcast
| Re: 800Mhz to use voice too? Qualcomm actually says 3x/4x the capacity, but that's compared to using older codecs (EVRC I guess?) on standard 1x...with 4x only coming with multi-antenna systems.
Of course, HD voice takes more spectrum than standard voice, and Sprint may opt for better coverage over more capacity (though CDMA800 already has much better propagation characteristics than 1900, so that's probably enough). | |
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kapilThe Kapil
join:2000-04-26
Chicago, IL | The saga continues The sprint/nextel merger case study should be a part of the curriculum at MBA programs everywhere. How an incompetent management team can run a perfectly good company into the ground in a short time and how it can be brought back to life, one hard fought day at a time, by a competent management team....our future CEOs need to learn this. We need more Dan Hesses and fewer Gary Forsees....who, ironically, went into teaching after the Sprint clusterfuck where he could corrupt America's youth first-hand.
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|  morboComplete Your Transaction
join:2002-01-22
00000 | Re: The saga continues Is it true that the current management team is up to par? I'm no expert, but what I've been reading here tells me they have made some questionable decisions recently. Most recently, betting the company on the iPhone and going back a bit the Wimax decision. At least they got rid of the tv commercials that made zero sense: "The NOW network"? I never understood it. | |
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| | kapilThe Kapil
join:2000-04-26
Chicago, IL | Re: The saga continues said by morbo:Is it true that the current management team is up to par? I'm no expert, but what I've been reading here tells me they have made some questionable decisions recently. Most recently, betting the company on the iPhone and going back a bit the Wimax decision. At least they got rid of the tv commercials that made zero sense: "The NOW network"? I never understood it.
The debate around betting the company on the iPhone deal is a legitimate one. I personally support the CEOs position - Sprint needed the iPhone if it was to remain a viable national competitor to the T/VZ duopoly...if Sprint didn't get the iPhone, it would have been relegated to the status of an also-ran regional/tier2 provider like USCellular et al.
The bet seems to be paying off in the short run....Sprint has stopped bleeding non-iden subs and ARPU is incrementing higher. Whether the deal becomes profitable for the company before its financial position and related limitations become insurmountable obstacles remains to be seen. Until then, as a Sprint shareholder, I am perfectly content with where Dan Hesse is taking the company.
The WiMax decision...well, there was nowhere else for the company to go. In fact, if you read my posts from back when Hesse first took over and killed the Xohm WiMax brand and merged it with Clearwire, I predicted this.
Sprint was in financial trouble when Hesse arrived and since he was too new to have had time to assess things, he had to essentially apply a tourniquet to the cash bleed so he could focus on the other gaping wound: subscribers fleeing by the millions.
So, Dan Hesse stopped the Xohm buildout and partnered with Clearwire to make the best of a bad situation which also gave him a short lived advantage of being first to market with a 4G network. Also, remember, at the time there was no indication that LTE would win the 4G technology fight....so being first to market and being on the leading edge required betting on the only technology that was ready to be deployed.
Long term, as I said in a post back then, Sprint would be required to build out its own 4G network or buy out clearwire....there was no other way. And as you know, Sprint is building a LTE network...it may yet end up buying Clearwire if it can find the cash down the road and once Clearwire itself has switched to LTE.
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| | | | | Re: The saga continues Clearwire has $49 billion worth of spectrum (133 mhz) that if used could make sprint the fastest operator in America (when you also add their 800 and 1900 mhz services). They have very good reasons for keeping them.. | |
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| | | | | | Re: The saga continues The 2.5Ghz spectrum doesn't have as much value itself in the end since it doesn't penetrate buildings as well. But with Sprint using 1900 and soon 800Mhz for LTE, the 2.5Ghz space will work well to augment 800/1900 for more capacity. But 2.5Ghz by itself has its limits. | |
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| | | iDen is a dead, spectrally inefficient technology. Sprint kept it alive much longer than they should have. Of course Sprint should not have merged with Nextel in the first place, should have been Alltel. | |
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| | kapilThe Kapil
join:2000-04-26
Chicago, IL | Re: The saga continues said by xenophon:iDen is a dead, spectrally inefficient technology. Sprint kept it alive much longer than they should have. Of course Sprint should not have merged with Nextel in the first place, should have been Alltel.
Agreed and agreed. The only way the nextel merger made any sense is if Sprint would have done back then what it's doing now....kill the Nextel network, re-farm the spectrum and move users to a CDMA based solution. Running the two parallel networks cost the company a lot of cash and customers.
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| | | | | Re: The saga continues Well at least they are on a solid path now. Network Vision looks to be pretty good strategy, but will not be fully rolled out til end of next year. In a few more years they should actually be able to focus on making a profit, on the books anyway. I figured Sprint might end up being bought out/merged but it seems they are on the right path to sustain themselves given they've managed to survive this long with the hiccups. | |
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| | | Sammer
join:2005-12-22
Canonsburg, PA | said by kapil:The only way the nextel merger made any sense is if Sprint would have done back then what it's doing now....kill the Nextel network, re-farm the spectrum and move users to a CDMA based solution.
Doing so would have required FCC approval, Sprint would have lost the iDEN spectrum without that. | |
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| | | | said by xenophon:iDen is a dead, spectrally inefficient technology. Sprint kept it alive much longer than they should have. Of course Sprint should not have merged with Nextel in the first place, should have been Alltel.
Yes, but there is one thing that iDEN did better than CDMA: PTT. Until Sprint had a good solution for implementing PTT on CDMA, it made sense to keep iDEN alive. Even though PTT is not a desirable consumer service for most folks, business folks, especially those in construction and dispatching, love it. And, from personal experience, PTT is hard to get right. An organization I used to work for decided to try VZW's PTT service and get away from SoLINC, and it was awful. VZW is solid here in terms of voice and data, so you'dthink PTT would be great, but it was buggy as hell. If I was Sprint, there's no way I'd have switched exclusively to a CDMA solution if all I had was the tech VZW had. | |
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| | | Reviews:
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| Re: The saga continues said by ISurfTooMuch:Yes, but there is one thing that iDEN did better than CDMA: PTT. Until Sprint had a good solution for implementing PTT on CDMA, it made sense to keep iDEN alive. Even though PTT is not a desirable consumer service for most folks, business folks, especially those in construction and dispatching, love it.
They did a good job with iDEN to capture a lot of the private repeater market. I used to have radios that would communicate directly (peer to peer) with each other when out of range of the iDEN system, just like "channel 2" to bypass the repeater. Can CDMA radios do that?
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| | Looking forward to even better coverage -Provided the natrual disasters cease & the U.S comes out unscathed in 2012 / 2013.  | |
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|  tobyTroy Mcclure
join:2001-11-13
Seattle, WA | Re: Looking forward to even better coverage -Provided The coverage will actually be reduced as they are removing iden only towers. The rural coverage will greatly be reduced. | |
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| | | | Re: Looking forward to even better coverage -Provided said by toby:The coverage will actually be reduced as they are removing iden only towers. The rural coverage will greatly be reduced.
if they are I den only, why would that affect the cdma coverage? | |
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1 edit | Word is They'll be thoroughly using the 800mhz for 3g & 4g at those frequencies penetration / coverage will be much better.  | |
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| | EVDO vs EVDV Sorry, Sprint 3G uses EVDO the DO means "Data Only". EVDV never developed DV means "Data and Voice". Originally Sprint was waiting for the technology but when Verizon committed to EVDO, Sprint followed suit. | |
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| | | Re: EVDO vs EVDV EVDO = Evolution Voice Data Optimized, SVDO = Simultaneous Voice Data Optimized. EVDV doesn't exist, It was never finished by Qualcomm (They stopped development). Sprint didn't follow Verizon on anything. | |
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